Data / Building permits / Cambridge, MA (additions and alterations)
Building permits in Cambridge, MA: 3,004 since 2024
The full list. Building permits in Cambridge, MA (additions and alterations): 3,004 rows for $110.04, November 10, 2024 to today. The list gains about 67 rows a month. The new rows come each week by email, $19 a month.
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Updated November 6, 2026. Source: City of Cambridge open data: Building Permits: Addition/Alteration.
City of Cambridge published 3,004 building permits for Cambridge, MA (additions and alterations) from November 12, 2024 to November 6, 2026, about 67 a month over the last three full months. Each row has the issued date, permit number, permit type, description, address, value, status and the link to the record on the official portal.
The request: Every new building permit in Cambridge, MA (additions and alterations) each week, with the permit number, permit type, description, address and the source link.
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- Rows, 24 months
- 3,004
- A month (last 3)
- 67
- Newest
- November 6, 2026
- Portal
- data.cambridgema.gov
The newest 100 building permits
Newest first, as City of Cambridge published them. The full list holds all 3,004 rows since November 12, 2024.
| Issued | Permit number | Permit type | Description | Address | Value | Status | Use | Applicant | Contractor | Source |
|---|---|---|---|---|---|---|---|---|---|---|
| November 6, 2026 | 1232070 | Building: Alteration and Addition | Existing tenant looking to buildout 4 new private offices within their existing open office footprint. Construction includes new framing, drywall and minor elec | 1 Main St, Cambridge, MA 02142 | 138667 | Active | H&H Builders | data.cambridgema.gov | ||
| November 6, 2026 | 1235073 | Building: Alteration and Addition | Interior demo, remove siding. | 106 Ellery St, Cambridge, MA 02138 | 25000 | Active | Multi-Family (3 units or greater) | data.cambridgema.gov | ||
| November 6, 2026 | 1235700 | Building: Alteration and Addition | Demo 1st and 2nd floor porches and reframe both porches per plans. | 47 Magoun St, Cambridge, MA 02140 | 57525 | Active | Two-Family | Toro Construction | data.cambridgema.gov | |
| November 5, 2026 | 1154338 | Building: Alteration and Addition | REPAIR To repair a hole in the right rear 3rd fl. office floor created by the Cambridge Fire Dept. in response to a call for a carpet smoke combusion event. Dim | 186 Hampshire St, Cambridge, MA 02139 | 4000 | Active | Rob Chalfen | Sacred Geometry, DBA | data.cambridgema.gov | |
| November 5, 2026 | 1203566 | Building: Alteration and Addition | Convert existing single family house to a 2-unit condo house .Unit-1 will be basement 929 sf, first floor 956 sf, second floor 967 sf with 4 bedrooms. Unit-2 wi | 143 Harvey St, Cambridge, MA 02140 | 665000 | Active | One-Family | data.cambridgema.gov | ||
| November 5, 2026 | 1207560 | Building: Alteration and Addition | Adding kitchen and full bathroom to existing carriage house (currently an already finished basketball court and exercise room). Maintaining existing half bathro | 17 Highland St, Cambridge, MA 02138 | 200000 | Active | One-Family | Duncan MacArthur | MacArthur Construction Company, Inc. | data.cambridgema.gov |
| November 5, 2026 | 1218728 | Building: Alteration and Addition | A planned interior tenant fit out of approximately 10,688 SF between an existing Ground Floor level and Basement. Work to include retail floor and wall fixture | 321 Main St, Cambridge, MA 02142 | 940067 | Active | data.cambridgema.gov | |||
| November 4, 2026 | 1231619 | Building: Alteration and Addition | Interior renovation of a tenant space for a new restaurant, new interior finishes, ceilings, casework, and equipment; and associated plumbing, HVAC, electrical, | 1430 Massachusetts Ave, Cambridge, MA 02138 | 2106685 | Active | Master Renovations Company LLC | data.cambridgema.gov | ||
| November 4, 2026 | 1227070 | Building: Alteration and Addition | renovation of a vacant space on the ground floor to two public restrooms | 325 Main St, Cambridge, MA 02142 | 130387.5 | Active | JDL Corporate Interiors inc. | data.cambridgema.gov | ||
| November 4, 2026 | 1229848 | Building: Alteration and Addition | Replace damged exterior siding, and replace damaged Fire alarm Panel and damaged plumbing components as result of motor vehicle accident that caused damage to t | 68 Albany St, Cambridge, MA 02142 | 640000 | Active | data.cambridgema.gov | |||
| November 4, 2026 | 1235259 | Building: Alteration and Addition | Remodeling of existing 1st floor half bath to include installation of a walk in shower. Floor plan will be unchanged. Removal of existing door and window at the | 27 Bay St, Cambridge, MA 02139 | 70900 | Active | Two-Family | DRA. LLC | data.cambridgema.gov | |
| November 3, 2026 | 1234173 | Building: Alteration and Addition | Tenant Improvement/ Interior Fit-out for a QSR (Quick Serve Restaurant) | 37 Brattle St, Cambridge, MA 02138 | 460090 | Active | MAJESTIC CONSTRUCTION, INC. | data.cambridgema.gov | ||
| November 3, 2026 | 1234359 | Building: Alteration and Addition | replace existing steel and glass side door. | 396 Harvard St, Cambridge, MA 02138 | 14016 | Active | Continental Builders | data.cambridgema.gov | ||
| November 3, 2026 | 1230136 | Building: Alteration and Addition | Install new lab softwall system including all MEP systems. | 148 Sidney St, Cambridge, MA 02139 | 412084 | Active | Debora Juliao | Wise Construction | data.cambridgema.gov | |
| November 3, 2026 | 1234186 | Building: Alteration and Addition | Emergency water leak remediation on floors 1 & 2. Replacement of drywall, ceiling, flooring. | 26 Landsdowne St, Cambridge, MA 02139 | 150000 | Active | Becca Patnode | Siena Construction | data.cambridgema.gov | |
| November 3, 2026 | 1234951 | Building: Alteration and Addition | third floor remodel | 41 Amory St, Cambridge, MA 02139 | 266462 | Active | One-Family | Greenmen Builders LLC | data.cambridgema.gov | |
| November 3, 2026 | 1236141 | Building: Alteration and Addition | Install Intellijack support system to stabilize floor joist or beams as shown | 67 Winter St, Cambridge, MA 02141 | 11000 | Active | One-Family | Groundworks | data.cambridgema.gov | |
| November 2, 2026 | 1203372 | Building: Alteration and Addition | Renovate existing structure, add additional units to the back of the property. Total of 11 units | 108 Grozier Rd, Cambridge, MA 02138 | 1882809.77 | Active | Two-Family | Treadstone Construction LLC | data.cambridgema.gov | |
| November 2, 2026 | 1224401 | Building: Alteration and Addition | Infill portion of shft space to expand closet floor area. | 610 Main St, Cambridge, MA 02139 | 130999.59 | Active | Silas Keenan | Holt Construction | data.cambridgema.gov | |
| November 2, 2026 | 1233257 | Building: Alteration and Addition | installing 2 helical piers on the front right portion of the existing foundation wall and 4 helical piers on the right existing foundation wall of the structure | 175 Coolidge Hill, Cambridge, MA 02138 | 26628.26 | Active | One-Family | Cassady Santiago | Erickson Construction | data.cambridgema.gov |
| November 2, 2026 | 1234934 | Building: Alteration and Addition | Addition for an ADA bathroom and kitchenette | 212 Upland Rd, Cambridge, MA 02140 | 124000 | Active | One-Family | data.cambridgema.gov | ||
| November 2, 2026 | 1235773 | Building: Alteration and Addition | Rear deck repairs - including replacing the decking, new railing system, framing for new deck layout, additional footers. Reusing columns and pergola. | 26 Healey St, Cambridge, MA 02138 | 62239.14 | Active | One-Family | Jonathon Moss | IPI Renovations, Inc. | data.cambridgema.gov |
| November 2, 2026 | 1230729 | Building: Alteration and Addition | Basement demolition and structural renovation according to the approved architectural and structural plans. Work includes removal and replacement of the existin | 137 Allston St, Cambridge, MA 02139 | 184250 | Active | Ocelli's Contractor | data.cambridgema.gov | ||
| November 2, 2026 | 1231465 | Building: Alteration and Addition | Relocate the existing mechanical systems serving the existing cold room to the new designated closet location. Provide all required associated MEP work to suppo | 610 Main St, Cambridge, MA 02139 | 1262180.3 | Active | Holt Construction Corp. | data.cambridgema.gov | ||
| November 2, 2026 | 1234304 | Building: Alteration and Addition | The Pfizer Second Floor Glasswash Renovation Project is the replacement of an existing glasswasher machinewith a new glasswasher machine. Existing ceiling modif | 610 Main St, Cambridge, MA 02139 | 235308.03 | Active | Holt Construction Corp. | data.cambridgema.gov | ||
| November 2, 2026 | 1234316 | Building: Alteration and Addition | Renovation of the lighting and HVAC systems for cold rooms across five floors. Existing cooling systems have been replaced with redundancy added. | 1 Portland St, Cambridge, MA 02139 | 627042.77 | Active | Holt Construction Corp. | data.cambridgema.gov | ||
| November 2, 2026 | 1235279 | Building: Alteration and Addition | Replace covered porch deck framing and columns with new footings. Roof to be temporarily supported and untouched. | 15 Raymond St, Cambridge, MA 02138 | 10000 | Active | One-Family | S + H Construction | data.cambridgema.gov | |
| November 2, 2026 | 1234749 | Building: Alteration and Addition | - Renovate existing kithen per plans- Replace two kitchen windows- Install bathroom tiles and convert bathtub into shower- Add washer/dryer in room off kitchen | 377 Cardinal Medeiros Ave, Unit 1, Cambridge, MA 02141 | 70000 | Active | Multi-Family (3 units or greater) | Lobsang Paljor | Tibet Construction, Inc. | data.cambridgema.gov |
| October 30, 2026 | 1234216 | Building: Alteration and Addition | This project consists of demolition of existing interior finishes and upgrading the new interior finishes as part an office renovation. There will be minor MEPF | 201 Broadway, Cambridge, MA 02139 | 676697 | Active | Gianni Hill | J. Calnan & Associates, Inc. | data.cambridgema.gov | |
| October 30, 2026 | 1234071 | Building: Alteration and Addition | 5th floor lab renovation of 4 select lab support rooms- 582, and 522-524. | 455 Main St, Cambridge, MA 02142 | 75000 | Active | Becca Patnode | Siena Construction Corporation | data.cambridgema.gov | |
| October 30, 2026 | 1233882 | Building: Alteration and Addition | Limited interior renovation, on the 3rd floor of building 200 at One Kendall Square, totaling approximately 850 GSF. The scope of work includes selective interi | 1 One Kendall Square Complex, Unit 200, Cambridge, MA 02142 | 498710 | Active | Corderman & Company, Inc. | data.cambridgema.gov | ||
| October 30, 2026 | 1233937 | Building: Alteration and Addition | Mechanical and Electrical infrastructure upgrades, finishes, insulation, and doors to support of new centrifuge unit. | 800 Technology Sq, Cambridge, MA 02142 | 598109 | Active | data.cambridgema.gov | |||
| October 30, 2026 | 1233165 | Building: Alteration and Addition | Repair wood piles and underpin 18 Interior Columns and 12 Linear Feet of Building #3, as per our Structural Engineer's stamped sketch. Reinstate the work area i | 222 Third St, Cambridge, MA 02141 | 843000 | Active | Chutehall Construction Company | data.cambridgema.gov | ||
| October 30, 2026 | 1233027 | Building: Alteration and Addition | Demolition of the 8th floor space | 400 Technology Sq, Cambridge, MA 02142 | 370828 | Active | Cranshaw Construction | data.cambridgema.gov | ||
| October 30, 2026 | 1232897 | Building: Alteration and Addition | Renovation of existing basement full bathroom | 26 SCIARAPPA ST, Unit 2, Cambridge, MA 02141 | 43000 | Active | One-Family | Geoff Paulding | Fresh Start Contracting | data.cambridgema.gov |
| October 30, 2026 | 1234067 | Building: Alteration and Addition | Full interior gut of existing walls, wood trim, kitchens and bathrooms. | 6 Mead St, Cambridge, MA 02140 | 25000 | Active | Two-Family | data.cambridgema.gov | ||
| October 29, 2026 | 1188274 | Building: Alteration and Addition | Install Stuv compact 30 per manufacturer specifications coming off the stove and out the wall and running the class a chimney up the side of the house, 2 feet h | 10 Howland St, Cambridge, MA 02138 | 9800 | Complete | One-Family | Hearth Perfections LLC | data.cambridgema.gov | |
| October 29, 2026 | 1217010 | Building: Alteration and Addition | Interior Dining Area remodel and refinish as shown in plan | 612 Main St, Cambridge, MA 02139 | 450000 | Active | Jin Lei | JY Construction Boston | data.cambridgema.gov | |
| October 29, 2026 | 1221892 | Building: Alteration and Addition | DIVIDING AN EXISTING RETAIL SHELL SPACEON THE FIRST FLOOR INTO 2 SEPARATE TENANT SPACES.MEP UTILITIES WILL BE MODIFIED TO SERVICE BOTHSPACES, AND CAPPED FOR FUT | 20 Child St, Cambridge, MA 02141 | 490189 | Active | Muriel Hogan-Tie | Coastal Construction Corporation | data.cambridgema.gov | |
| October 29, 2026 | 1232075 | Building: Alteration and Addition | Interior demolition of vacant office. Removal of partition walls, ACT ceiling, Carpet, kitchenette and lights. Temporary lighting to be installed. All sprinkler | 101 Main St, Cambridge, MA 02142 | 193925.99 | Active | H&H Builders, Inc | data.cambridgema.gov | ||
| October 29, 2026 | 1233586 | Building: Alteration and Addition | Renovations of existing space on the 8th Floor Including offices, conference rooms and common areas. Work includes HVAC, Plumbing, Electrical, Fire Alarm and Sp | 33 Kirkland St, Cambridge, MA 02138 | 750038 | Active | Elaine Construction Company, Inc. | data.cambridgema.gov | ||
| October 29, 2026 | 1232073 | Building: Alteration and Addition | Renovation of the 16th fl elevator lobby and corridors. New paint, carpet and ceiling. New water fountain | 101 Main St, Cambridge, MA 02142 | 134569 | Active | H&H Builders, Inc | data.cambridgema.gov | ||
| October 28, 2026 | 1232100 | Building: Alteration and Addition | this space currently is restaurant, adding a Sushi bar, and repaint the wall, no other change. no Plumbing and electrical change or add on. | 1900 Massachusetts Ave, Cambridge, MA 02140 | 35000 | Active | data.cambridgema.gov | |||
| October 28, 2026 | 1232912 | Building: Alteration and Addition | Install Intellibrace(s) to stabilize bowing or leaning wall(s) with N Decking | 7-7A MEACHAM RD, Unit 7, Cambridge, MA 02140 | 32500 | Active | Two-Family | Groundworks | data.cambridgema.gov | |
| October 28, 2026 | 1234617 | Building: Alteration and Addition | All work is limited to open air concrete garage area. No scheduled work within the building/hotel - Concrete spalling repairs to columns and parking deck with t | 110 Mt Auburn St, Cambridge, MA 02138 | 2409837 | Active | courtney Collins | BOND Building | data.cambridgema.gov | |
| October 28, 2026 | 1234536 | Building: Alteration and Addition | Remove and rebuild front porch with 2nd floor finished space, remove and rebuild expanded 3 story rear deck, finish 3rd floor and add dormer, insulate basement | 222 Lexington Ave, Cambridge, MA 02138 | 952315 | Active | Two-Family | Byggmeister Associates, Inc. | data.cambridgema.gov | |
| October 28, 2026 | 1234449 | Building: Alteration and Addition | All Work done on second floor right side as outlined in plans.Refresh of current millwork that is in the space new doors / hardware. Additional 3 cabinets and s | 2500 Massachusetts Ave, Unit 2, Cambridge, MA 02140 | 156800 | Active | Dog Demo llc | data.cambridgema.gov | ||
| October 26, 2026 | 1234008 | Building: Alteration and Addition | Converting a covered porch to an addition and adding a breezeway, renovating 3 bathrooms and kitchen, finishing basement and adding a bathroom in the basement. | 49 Grozier Rd, Cambridge, MA 02138 | 1104351.43 | Active | One-Family | Don Foote Contracting | Creative Construction | data.cambridgema.gov |
| October 26, 2026 | 1234114 | Building: Alteration and Addition | COMMERCIAL (BANK) INTERIOR LEVEL 2 ALTERATION OF A SINGLE STORY SPACE WITH NO BASEMENT.INTERIOR SCOPE OF WORK INCLUDES:FURNITURE, EQUIPMENT, FINISHES WITH LIMIT | 235 Alewife Brook Pkwy, Cambridge, MA 02138 | 1120786 | Active | CITYWIDE CONTRACTING LLC. | data.cambridgema.gov | ||
| October 23, 2026 | 1231279 | Building: Alteration and Addition | Structural supports for bump out per engineers specifications, retro fit new heat pump system and replace rear patio and walkway and install drywall. | 35 Arlington St, Cambridge, MA 02140 | 187123.2 | Active | One-Family | S+H Construction | data.cambridgema.gov | |
| October 22, 2026 | 1228896 | Building: Alteration and Addition | Renovation of the 3rd Floor including the ballrooms, pre-function space, meeting rooms and the Regatta Bar. A small expansion of the existing 2nd floor rooftop | 1 Bennett St, Cambridge, MA 02138 | 13105753 | Active | Tishman Construction Corp. of MA | data.cambridgema.gov | ||
| October 22, 2026 | 1230578 | Building: Alteration and Addition | Interior renovation to include new kitchen update some bathrooms upgrade of mechanical systems update electrical as needed.Mudroom addition ans second floor add | 54 Haskell St, Cambridge, MA 02140 | 1122000 | Active | One-Family | Precision Finish Boston Inc | data.cambridgema.gov | |
| October 22, 2026 | 1232057 | Building: Alteration and Addition | Demolish exisiting front porch and demolish existing smaller porch off kitchen. Install new flooring, new railings and balusters for both porches. Prepare house | 5 Fayerweather St, Cambridge, MA 02138 | 47000 | Active | One-Family | Thamara Eler Martins | CNT General Contractor Inc | data.cambridgema.gov |
| October 22, 2026 | 1233139 | Building: Alteration and Addition | New kitchen, full gut of existing bath with new finishes, add one full primary bath, sand floors, paint | 950 MASSACHUSETTS AVE, Unit 212, Cambridge, MA 02139 | 150000 | Active | Multi-Family (3 units or greater) | Stratford Builders LLC | data.cambridgema.gov | |
| October 22, 2026 | 1232799 | Building: Alteration and Addition | This Project involves the construction required for the interior fit-out of approximately 5,200 GSF on the second floor of 14 Story Street for HCP office space. | 14 Story St, Cambridge, MA 02138 | 386700 | Active | Paulo Ramalhinho | Votze Butler Associates | data.cambridgema.gov | |
| October 22, 2026 | 1233822 | Building: Alteration and Addition | Remove non-structural interior components of home. Update all wiring and plumbing to code to accomodate new cabinets, appliances, plumbing fixtures and HVAC. Ne | 138 Antrim St, Cambridge, MA 02139 | 275000 | Active | Multi-Family (3 units or greater) | Lambda Development | data.cambridgema.gov | |
| October 22, 2026 | 1233966 | Building: Alteration and Addition | AN EXISTING IR ROOM AND CONTROL ROOM TO BE RENOVATED WITH NEW INTERIORFINISHES, CEILING, MILLWORK, AND MEDICAL EQUIPMENT. EXISTING CONTROL ROOM TORECEIVE NEW CE | 330 Mt Auburn St, Cambridge, MA 02138 | 1535525 | Active | Walsh Brothers Inc | data.cambridgema.gov | ||
| October 21, 2026 | 1216739 | Building: Alteration and Addition | Removal of existing roof and additon of third floor living space | 61 Griswold St, Cambridge, MA 02138 | 553000 | Active | Two-Family | Coughlin-Shea Builders | data.cambridgema.gov | |
| October 21, 2026 | 1219493 | Building: Alteration and Addition | renovation primarily focused on creating a new, finished primary suite on the third level,which involves constructing a new set of stairs, a primary bedroom, a | 183 Fayerweather St, Cambridge, MA 02138 | 447046 | Active | Two-Family | Allston Contractors | ALLSTON CONTRACTORS INC | data.cambridgema.gov |
| October 21, 2026 | 1224209 | Building: Alteration and Addition | Partial demo of existing structure and additions to it, as shown on plans. | 24 Myrtle Ave, Cambridge, MA 02138 | 3379999 | Active | Two-Family | data.cambridgema.gov | ||
| October 21, 2026 | 1226379 | Building: Alteration and Addition | Interior renovation of existing office space into new office space, including new finishes, lighting, and MEP distribution. | 1 One Kendall Square Complex, Unit 200, Cambridge, MA 02142 | 536547 | Active | Columbia Construction Company | data.cambridgema.gov | ||
| October 21, 2026 | 1228157 | Building: Alteration and Addition | Master Bathroom Remodeling - Same Layout | 177 PEMBERTON ST, Unit 11, Cambridge, MA 02140 | 25000 | Active | One-Family | data.cambridgema.gov | ||
| October 21, 2026 | 1233519 | Building: Alteration and Addition | Renovation of existing sunroom into conditioned space that will serve as the extension to the existing kitchen. This will also involve new flooring throughout t | 78 Bristol St, Cambridge, MA 02139 | 189000 | Active | One-Family | Amr Hafez | Quantum Leap Construction LLC | data.cambridgema.gov |
| October 20, 2026 | 1229333 | Building: Alteration and Addition | Expansion of clinical space, additional exam rooms, move employee break area and lab. WORK OVER TWO PHASES. NEED TEMP COO SIGN OFF FOR EACH COMPLETED SIDE. Ther | 2067 Massachusetts Ave, Cambridge, MA 02140 | 418008.33 | Active | WITT Commerical Construction | data.cambridgema.gov | ||
| October 20, 2026 | 1203668 | Building: Alteration and Addition | 4 new bathrooms. some non structural partitions renovation | 84 Sherman St, Cambridge, MA 02140 | 50001 | Active | Brickyard Realty trust | data.cambridgema.gov | ||
| October 19, 2026 | 1233213 | Building: Alteration and Addition | Disconnect and reconnect gas, electrical, and ductwork to replace (1) Air Handling Unit with steam piping. | 790 Memorial Dr, Cambridge, MA 02139 | 421500 | Active | Environmental Systems, Inc. | data.cambridgema.gov | ||
| October 19, 2026 | 1217596 | Building: Alteration and Addition | We will be gutting the entirety of the interior of the house including floor joists and wall partitions. The two story addition of the house will be demolished | 44 Russell St, Cambridge, MA 02140 | 800000 | Active | One-Family | data.cambridgema.gov | ||
| October 19, 2026 | 1223838 | Building: Alteration and Addition | Project: Deck Addition 1. Demolition -Complete removal and disposal of the existing 0 deck(s) of no disposal in Back of the property. -Disposal of all debris re | 235 Huron Ave, Cambridge, MA 02138 | 45261 | Active | One-Family | data.cambridgema.gov | ||
| October 19, 2026 | 1233893 | Building: Alteration and Addition | CHIMNEY REPOINTING and CHIMNEY CAP // Shingle Hip Caps Replacement // Box Vent Replacement // Moss & Algae Treatment – Asphalt Shingle Roof | 8 Berkeley Pl, Cambridge, MA 02138 | 4475 | Active | One-Family | Heladio Salgado | RB Farina Roofing & Construction Inc. | data.cambridgema.gov |
| October 19, 2026 | 1234315 | Building: Alteration and Addition | Slate Roof Replacement - Natural slatesSkylight Replacement - VELUX SkylightsEPDM Membrane ReplacementSiding repair + Trim boardsShingle Roofing Replacement | 345 Brookline St, Cambridge, MA 02139 | 31346.75 | Active | One-Family | Heladio Salgado | RB Farina Roofing & Construction Inc. | data.cambridgema.gov |
| October 19, 2026 | 1230055 | Building: Alteration and Addition | All work to be performed will be interior renovations “only” with no exterior wall work, no ADA ramp work, no stair work, no main utility into building work, no | 2067 Massachusetts Ave, Cambridge, MA 02140 | 48185.07 | Active | WITT Commercial Construction LLC | data.cambridgema.gov | ||
| October 19, 2026 | 1232711 | Building: Alteration and Addition | Interior alteration (Level 2, IEBC Work Area Method) of approximately 5,120 SF of existing office space, Suite 165 on the 1st floor of an existing 6-story, full | 124 Mt Auburn St, Cambridge, MA 02138 | 246056 | Active | Berkeley Building Company | data.cambridgema.gov | ||
| October 19, 2026 | 1232885 | Building: Alteration and Addition | Interior fit out of existing vacant tenant space on Level 1 of existing building for clinical use including exam rooms, bathrooms, conference room, and support | 500 Kendall St, Cambridge, MA 02142 | 1615227 | Active | Marco Zappala | Wise Construction | data.cambridgema.gov | |
| October 16, 2026 | 1228519 | Building: Alteration and Addition | Build roof deck with access via spiral staircase. | 10-12 WORCESTER ST, Unit 10/2, Cambridge, MA 02139 | 61700 | Active | Two-Family | Steve E. Valenti Builders, Inc | data.cambridgema.gov | |
| October 16, 2026 | 1226670 | Building: Alteration and Addition | Remodel office and break room to add additional office space | 2286 Massachusetts Ave, Cambridge, MA 02140 | 22500 | Active | Knight Construction | data.cambridgema.gov | ||
| October 15, 2026 | 1231776 | Building: Alteration and Addition | Scope- New kitchen, 2 bath refreshes ( new fixtures), new lighting, refinish floors. | 20 Columbia St, Cambridge, MA 02139 | 86000 | Active | Multi-Family (3 units or greater) | RL Construction Services Inc. | data.cambridgema.gov | |
| October 15, 2026 | 1232179 | Building: Alteration and Addition | HVAC Upgrades | 2 Arrow St, Cambridge, MA 02138 | 52918 | Active | GenServ Corp | data.cambridgema.gov | ||
| October 15, 2026 | 1227550 | Building: Alteration and Addition | Fitout of a 5000 SF 9th Floor Roof Terrace with a raised Paver/Pedestal system, 3' high landscape planters, Furnishings, related plumbing, irrigation, electrica | 441 Morgan Ave, Cambridge, MA 02141 | 2000000 | Active | John Moriarty & Associates | data.cambridgema.gov | ||
| October 15, 2026 | 1230956 | Building: Alteration and Addition | Fitout & retrofit of approx 20K Sqft of Lab Space with MEP scopes and select architectural rework of conference rooms & reception space. | 301 Binney St, Cambridge, MA 02142 | 13071957 | Active | DPR Construction | data.cambridgema.gov | ||
| October 15, 2026 | 1230777 | Building: Alteration and Addition | Interior alterations to install audiovisual infrastructure in existing Harvard Extension School classrooms and support spaces. No change of use, no change of oc | 53 Church St, Cambridge, MA 02138 | 179210 | Active | Berkeley Building Company | data.cambridgema.gov | ||
| October 14, 2026 | 1221581 | Building: Alteration and Addition | Renovation of the existing mixed-use building, including Level 2 alterations to portions of the first, second, and third floors. Work includes new interior part | 233 Massachusetts Ave, Cambridge, MA 02139 | 5705774 | Active | Columbia Construction Company | data.cambridgema.gov | ||
| October 14, 2026 | 1229103 | Building: Alteration and Addition | Disconnect, remove, and dispose of existing damaged 17.5Ton Trane dual fuel heat pump RTU. Provide craning and rigging operations to remove existing unit from r | 80 Gerrys Landing Rd, Cambridge, MA 02138 | 61765 | Active | L.C. Anderson Inc. | data.cambridgema.gov | ||
| October 14, 2026 | 1228855 | Building: Alteration and Addition | Selective removal of interior partition walls, flooring, ACT ceilings and finishes. All lighting will be removed and replaced with "temporary" lighting. With th | 101 Main St, Cambridge, MA 02142 | 170861 | Active | H&H Builders | data.cambridgema.gov | ||
| October 14, 2026 | 1231997 | Building: Alteration and Addition | Add new ada ramp, move and remodel exisitng cook shack, move and remodel exisitng bathrooms, replace old decking and add laundry. | 20 Cambridge Pkwy, Cambridge, MA 02142 | 300000 | Active | Benjamin William Construction Group LLC | data.cambridgema.gov | ||
| October 14, 2026 | 1232571 | Building: Alteration and Addition | Started as small rot repair and has grown into large sill replacement. We have found termite damage and rot along one whole side of the house and reaching aroun | 8 Ash Street Pl, Cambridge, MA 02138 | 40000 | Active | One-Family | Tracey Litt | S+H Construction | data.cambridgema.gov |
| October 14, 2026 | 1232641 | Building: Alteration and Addition | Replacement of existing asphalt paving with concrete. One for one replacement of overhead door. | 555 Technology Sq, Cambridge, MA 02142 | 79460 | Active | Chapman Construction/Design | data.cambridgema.gov | ||
| October 14, 2026 | 1230148 | Building: Alteration and Addition | Office buildout on 3rd floor to include construction of new offices, conference rooms, open work space, restrooms & internal stair case from 2nd to 3rd floor. | 39 Jfk St, Cambridge, MA 02138 | 3000000 | Active | Corderman & Company, Inc. | data.cambridgema.gov | ||
| October 14, 2026 | 1233141 | Building: Alteration and Addition | Renovate an existing interior pool on 1st floor and add an ADA lift. Demo and replaster and tile interior of pool. Demo and install new floor tile and coping ti | 10 Rogers St, Cambridge, MA 02142 | 402269 | Active | Multi-Family (3 units or greater) | Benchmark Construction Services, Inc | data.cambridgema.gov | |
| October 13, 2026 | 1223181 | Building: Alteration and Addition | Installation of sculpture/statue outside of 90 Binney Street building. Work includes sawcutting existing stone pavers, digging less than 1 foot to prepare for a | 90 Binney St, Cambridge, MA 02142 | 31608 | Active | data.cambridgema.gov | |||
| October 13, 2026 | 1231020 | Building: Alteration and Addition | We will be removing the existing two-tier wooden deck and building a new pressure-treated framed deck with composite decking, while maintaining the original foo | 107 Larch Rd, Cambridge, MA 02138 | 28077 | Active | Two-Family | data.cambridgema.gov | ||
| October 13, 2026 | 1227688 | Building: Alteration and Addition | Demolish existing finishes in first floor amenity space, replace with new. Includes new bathroom finishes and fixtures, a suite of meeting rooms, and a common r | 303 Third St, Cambridge, MA 02142 | 813018 | Active | Accessory | Kaplan Construction | data.cambridgema.gov | |
| October 13, 2026 | 1227388 | Building: Alteration and Addition | Renovation of a single-family home focusing on new windows and refreshed siding. Updating electrical and new HVAC. Updating bathroom and kitchen finishes. | 67 Fresh Pond Pkwy, Cambridge, MA 02138 | 285000 | Active | One-Family | Parviz Parvizi | 65 Fresh Pond LLC | data.cambridgema.gov |
| October 9, 2026 | 1198904 | Building: Alteration and Addition | renovate existing structure and add 4 units to the back ( attached) | 95 Cushing St, Cambridge, MA 02138 | 1970000 | Active | Townhouse | sluggers home improvement | data.cambridgema.gov | |
| October 9, 2026 | 1229745 | Building: Alteration and Addition | Basement water-damage restoration, including removal and replacement of damaged drywall and insulation, bathroom restoration, plaster repairs, and interior pain | 3 Porter Pk, Cambridge, MA 02140 | 48230 | Active | One-Family | data.cambridgema.gov | ||
| October 8, 2026 | 1222726 | Building: Alteration and Addition | Full gut renovation of existing lobby on 1st floor. The scope of work includes demo of existing architecturals and MEPs, and installation of new HVAC ductwork, | 101 Main St, Cambridge, MA 02142 | 1074500.98 | Active | F.L. Caulfield & Sons, Inc | data.cambridgema.gov | ||
| October 8, 2026 | 1231626 | Building: Alteration and Addition | INTERIOR DEMO ONLY, RENOVATION TO BE APPLIED AS SEPERATE PERMIT AT LATER DATE APPROXIMATELY 10,000 SF VIVARIUM ON LEVEL B, INCLUDING MODIFICATIONS TO SEVERAL EX | 115 Broadway, Cambridge, MA 02142 | 565080 | Active | Wise Construction | data.cambridgema.gov | ||
| October 7, 2026 | 1215420 | Building: Alteration and Addition | adding addtional living square foortage in the back, redo top floor, and renovation existing house | 43 Cameron Ave, Cambridge, MA 02140 | 616000 | Active | One-Family | data.cambridgema.gov | ||
| October 7, 2026 | 1227289 | Building: Alteration and Addition | Project scope includes tenant improvements to the first floor. The scope requested in the permit is limited to the first floor tenant improvements of about 900s | 87 Cambridgepark Dr, Cambridge, MA 02140 | 647752 | Active | BW Kennedy & Co | data.cambridgema.gov | ||
| October 7, 2026 | 1228258 | Building: Alteration and Addition | Renovation to lab space to support research and development involving their DFE system. This is used for processing of Bayer Liquor and extration of Gallium. A | 47 Moulton St, Cambridge, MA 02138 | 292300 | Active | The Richmond Group | data.cambridgema.gov | ||
| October 7, 2026 | 1232667 | Building: Alteration and Addition | Replace two roof top HVAC units. | 950 Massachusetts Ave, Cambridge, MA 02139 | 52000 | Active | Multi-Family (3 units or greater) | CC&R Inc. | data.cambridgema.gov |
By month
Building permits by the month of their issued date; the current month is still open.
| Month | Building permits |
|---|---|
| November 2026 | 28 |
| October 2026 | 83 |
| September 2026 | 51 |
| August 2026 | 68 |
| July 2026 | 106 |
| June 2026 | 142 |
| May 2026 | 111 |
| April 2026 | 162 |
| March 2026 | 128 |
| February 2026 | 106 |
| January 2026 | 118 |
| December 2025 | 124 |
| November 2025 | 135 |
Fields
Our column names and the portal's own field names in the dataset "Building Permits: Addition/Alteration" (data.cambridgema.gov, ID qu2z-8suj).
| Column | Portal field |
|---|---|
| Issued | issue_date |
| Permit number | id |
| Permit type | permit_type |
| Description | detailed_description_of_work |
| Address | full_address |
| Value | total_cost |
| Status | status |
| Use | current_property_use |
| Applicant | applicant_name |
| Contractor | firm_name |
Where this comes from
- Building Permits: Addition/Alteration on data.cambridgema.gov
- All building permits on SpecStream
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- Building permits in New York City, NY
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- Building permits in Collin County, TX
- Building permits in Seattle, WA (electrical)
- Building permits in Calgary, AB
- Building permits in Calgary, AB (gas)
Open Data Commons Public Domain Dedication and License. Rows are as each portal published them; SpecStream maps each portal's fields to common column names (see Fields on each place page). Value is the cost the applicant declared. Names that read as a private person's are left out; the row stays. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.
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