Monthly archive · Suffolk County, Massachusetts
Boston Building Permits — December 2025
Every building permit issued by the City of Boston in December 2025: counts, reported value, permits by trade, and the month's biggest projects.
Source: City of Boston open data — approved building permits issued by the Inspectional Services Department. Source last updated: October 17, 2026 · Our last pull: October 18, 2026 · Figures are as reported by the City of Boston.
Coverage: this report covers building permits issued by the City of Boston (Inspectional Services Department). Suffolk County also contains Chelsea, Revere, and Winthrop, which publish their permits separately and are not in this feed, so totals here are Boston totals — labeled as such, never blended. Values are the declared project values applicants reported to the city, printed as reported; a Certificate of Occupancy restates its project's declared value, so one project's value can appear on both its building permit and its certificate.
PermitsByCounty data, Suffolk County (Boston), December 2025 · Source: City of Boston
Questions, answered from the data
What was the largest building permit issued in Boston in December 2025?
The largest was permit #COO1806200 at 60 Western AV, with a reported project value of $263,398,860, issued in December 2025, as reported by the City of Boston.
Permits by trade — December 2025
| Trade | Permits issued | Reported value |
|---|---|---|
| Electrical | 785 | $48,857,680 |
| General & Other | 746 | $291,772,660 |
| Plumbing | 455 | $51,842,922 |
| Gas | 298 | $1,503,723 |
| Fire Alarm | 166 | $5,934,597 |
| Roofing | 112 | $4,839,035 |
| Solar | 108 | $4,347,176 |
| New Construction | 43 | $586,069,234 |
| HVAC | 24 | $11,710,844 |
| Signage | 19 | $180,719 |
| Fire Protection | 16 | $978,896 |
| Demolition | 8 | $132,600 |
| Fencing | 2 | $9,000 |
Biggest projects issued in December 2025
| Project (permit #) | Trade | Reported value | Issued |
|---|---|---|---|
| 60 Western AV #COO1806200 Lab/Office Spaces, Assembly Spaces, Retail/Cafe White Box Space, Day Care White Box Space, Below Grade Park… | New Construction | $263,398,860 | 2025-12-22 |
| 340-360 Boylston ST #COO1805538 Offices Building, Parking Garage, Future Tenants Retail, Restaurant, Fitness Center and Spa.Certificate for… | New Construction | $118,520,710 | 2025-12-16 |
| 331 E Eighth ST #COO1807956 89 Residential UnitsTemporary for Same - Valid for 90 Days, To Expire 3/30/2026ERT1525320 Issued 3/13/2024 | New Construction | $61,024,439 | 2025-12-30 |
| 340-360 Boylston ST #COO1805408 Office BuildingCertificate For Offices and Amenity Spaces On Floors 2-9;ALT1665868 Issued 12/03/2024; | General & Other | $50,000,000 | 2025-12-23 |
| 1011 Harrison AV #COO1805528 Technical College;Temporary Certificate For Same Exp 03/11/2026ERT1261070 Issued 03/08/2024 | New Construction | $25,016,098 | 2025-12-22 |
| 9 Arch ST #ALT1706153 Change of occupancy from Offices to Multi-family Dwelling for 110 units; ground floor Store occupancy to re… | General & Other | $20,035,000 | 2025-12-11 |
| 199 Gardner ST #COO1790291 70 Residential Units. 44 garage parking spaces &; 26 Surface Parking Spaces for a total of 70 parking s… | New Construction | $19,770,694 | 2025-12-16 |
| 12 Post Office SQ #ALT1705876 Change of occupancy from Office spaces to Multi-Family Residential on Floors 2-6, to include 70 residential… | General & Other | $17,772,138 | 2025-12-15 |
| 343 Saratoga ST #COO1770786 SchoolCertificate for AdditionALT1483252 Issued 3/27/2024 | General & Other | $15,689,115 | 2025-12-03 |
| 40 Soldiers Field PL #COO1804555 Sixty (61); Residential Units, 2 Vespa Spaces, 61 Bike Spaces &; 49 Parking SpacesCertificate for SameE… | New Construction | $15,000,002 | 2025-12-23 |
Full report: Suffolk County (Boston) county hub.