Middlesex County and Cambridge City property record for 13 Saint Mary Rd, Cambridge, MA 02139
| Property Type | Duplex |
|---|---|
| Details | 7 bd · 4.5 ba · 3,068 sqft · built 1894 |
| Lot Size | 0.048 acres (2,101 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,165,000 (May 2014) |
| Tax Bill | $14,959 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 110-85 |
| Primary APN | 110-85 |
|---|---|
| Alternative APN |
|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 13 Rooms |
| Units | 2 Units |
| Stories | 3 Stories |
| Building Area | 3,068 sqft Living Area |
| Gross Area | 5,221 sqft |
| 1st Floor Area | 1,232 sqft |
| Basement Area | 1,232 sqft |
| Unfinished Basement | 616 sqft |
| Central Vacuum | Central Vacuum |
| Year Built | Built 1894 |
|---|---|
| Effective Year Built | Effective 1894 |
| Architectural Style | Other |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Brick |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 2,101 sqft (0.048 acres) |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Street Address | 13 SAINT MARY RD |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02139-1225 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | C-1 |
| Legal Lot Number | 85 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 352900 |
13 Saint Mary Rd, a duplex, is owned by two individuals who bought it in May 2014.
Source: Middlesex County and Cambridge City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 15 SAINT MARY RD, CAMBRIDGE, MA 02139-1225 |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 30, 2014 · Amount on File |
| Deed Sale | May 30, 2014 · Amount on File |
| Prior Sale | May 31, 2000 · Amount on File |
| Deed Book / Page | 63684 / 526 |
| Transfer Doc | 63684-526 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 13 Saint Mary Rd was $14,959, up 6.6% from the year before.
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 | Assessed Market Value |
|---|---|---|---|
| 2025 | $14,959.00 (+6.55%) | $2,355,800 (-0.66%) Land $889,700 Building $1,466,100 | $2,583,250 |
| 2024 | $14,039.00 (+7.36%) | $2,371,400 (+6.26%) Land $960,200 Building $1,411,200 | |
| 2023 | $13,077.00 | $2,231,600 Land $978,300 Building $1,253,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 13 Saint Mary Rd in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1998.
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 units insured incl. 3 condo units |
| Nearby Flood Claims | 1 (1998) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jun 1998 · Heavy Rains And Flooding |
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.
The area around 13 Saint Mary Rd has no burnable land within ember reach, so its wildfire risk is not rated.
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 1,046 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Verizon Fixed Wireless · Fiber in parts of the area | 1,000 / 75 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Netafy, Starry.
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