Middlesex County and Somerville City property record for 121 Walnut St, Somerville, MA 02145
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 3 ba · 2,665 sqft · built 1910 |
| Lot Size | 0.085 acres (3,692 sqft) |
| Owner | Individual Name on File |
| Last Sale | $500,000 (Sep 2014) |
| Tax Bill | $10,118 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 78-G-37 |
| Primary APN | 78-G-37 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Units | 2 Units |
| Stories | 3 Stories |
| Building Area | 2,665 sqft Living Area |
| Gross Area | 4,270 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 3,692 sqft (0.085 acres) |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Account Number | 13445051 |
|---|---|
| Street Address | 121 WALNUT ST |
| City | SOMERVILLE |
| State | MA |
| Zip | 02145-2941 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | RB |
| Legal Block | G |
| Legal Lot Number | 37 |
| Jurisdiction | SOMERVILLE MA |
| Township / Civil Division | SOMERVILLE |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 350201 |
121 Walnut St, a duplex, is owned and occupied by an individual who bought it in September 2014.
Source: Middlesex County and Somerville City records, as of April 14, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 121 WALNUT ST, SOMERVILLE, MA 02145-2941 |
| Occupancy | Owner Occupied |
| 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 | Name on Deed |
|---|---|
| Last Sale | Sep 30, 2014 · Amount on File |
| Deed Sale | Sep 30, 2014 · Amount on File |
| Deed Book / Page | 64305 / 365 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 121 Walnut St was $10,118, up 4.7% 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 | $10,118.00 (+4.73%) | $927,400 (+0.99%) Land $403,800 Building $523,600 |
| 2024 | $9,661.00 (+2.73%) | $918,300 (+0.97%) Land $403,800 Building $514,500 |
| 2023 | $9,404.00 | $909,500 Land $403,800 Building $505,700 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 121 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 121 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 1,104 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 |
| Astound Broadband Cable | 1,500 / 50 |
| Netafy Fixed Wireless | 641 / 143 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Starry, T-Mobile, Verizon.
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