Middlesex County and Somerville City property record for 31 Walnut St, Somerville, MA 02143
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 15,390 sqft · built 1960 |
| Lot Size | 0.287 acres (12,480 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $38,178 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 80-E-18 |
| Primary APN | 80-E-18 |
|---|---|
| Alternative APNs |
|
| Units | 16 Units |
|---|---|
| Stories | 3 Stories |
| Building Area | 15,390 sqft Living Area |
| Gross Area | 18,602 sqft |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Brick |
| Construction Type | Masonry / Concrete Block |
| Roof Type | Flat |
| Roof Material | Tar & Gravel |
| Lot Area | 12,480 sqft (0.287 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 12364111 |
|---|---|
| Street Address | 31 WALNUT ST |
| City | SOMERVILLE |
| State | MA |
| Zip | 02143-2044 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Local Zoning Code | RA |
| Legal Block | E |
| Legal Lot Number | 18 |
| Jurisdiction | SOMERVILLE MA |
| Township / Civil Division | SOMERVILLE |
| Census Block Group | 2 |
| Census Block | 2007 |
| Census Tract | 351300 |
31 Walnut St, a residential property, is held in a trust.
Source: Middlesex County and Somerville City records, as of April 14, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 5 AZALEA RD, WINCHESTER, MA 01890-2220 |
| Owner Type | Individual |
| Vesting | Trust |
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 |
|---|---|
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 31 Walnut St was $38,178, up 3.7% from the year before.
Source: Middlesex County and Somerville City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Somerville City |
| Unified School District | Somerville School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $38,178.00 (+3.71%) | $3,499,400 (-) Land $898,900 Building $2,600,500 |
| 2024 | $36,814.00 (+1.74%) | $3,499,400 (-) Land $898,900 Building $2,600,500 |
| 2023 | $36,184.00 | $3,499,400 Land $898,900 Building $2,600,500 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 31 Walnut St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 31 Walnut St 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 | SOMERVILLE WATER DEPT. (MWRA) serves 81,045 people · EPA ID MA3274000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Oct 2025 |
| Lead | 4 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line replacement currently in violation since Nov 2019 |
| Monitoring and Reporting | 1 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 1,083 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| 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: Starry.
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