Middlesex County and Cambridge City property record for 257 Windsor St, Cambridge, MA 02139
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 5,424 sqft · built 1902 |
| Lot Size | 0.067 acres (2,901 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $5,923 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 76-70 |
| Primary APN | 76-70 |
|---|---|
| Alternative APN |
|
| Units | 6 Units |
|---|---|
| Stories | 3 Stories |
| Building Area | 5,424 sqft Living Area |
| Gross Area | 7,256 sqft |
| 1st Floor Area | 1,808 sqft |
| Basement Area | 1,808 sqft |
| Unfinished Basement | 1,808 sqft |
| Year Built | Built 1902 |
|---|---|
| Effective Year Built | Effective 1902 |
| Exterior Material | Shingles |
| Construction Type | Frame |
| Roof Type | Flat |
| Roof Material | Tar & Gravel |
| Lot Area | 2,901 sqft (0.067 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Gas |
| Street Address | 257 WINDSOR ST |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02139 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Local Zoning Code | C-1 |
| Legal Lot Number | 70 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 1 |
| Census Block | 1007 |
| Census Tract | 352500 |
Source: Middlesex County and Cambridge City records, as of April 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 810 MEMORIAL DR, 102, CAMBRIDGE, MA 02139-4662 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: Middlesex County and Cambridge City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Cambridge City |
| Unified School District | Cambridge School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $5,923.00 (+8.08%) | $932,800 (+0.78%) Land $672,000 Building $260,800 |
| 2024 | $5,480.00 | $925,600 Land $687,000 Building $238,600 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 9 (5% premium discount) |
| Nearby Flood Policies | 5 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CAMBRIDGE WATER DEPARTMENT serves 118,214 people · EPA ID MA3049000 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 2023 |
| Lead | 8 ppb (2021–2023) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 1,159 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Netafy Fixed Wireless | 641 / 143 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Starry.
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