Middlesex County and Somerville City property record for 11 Walnut Rd, Somerville, MA 02145
| Property Type | Duplex |
|---|---|
| Details | 5 bd · 3.5 ba · 3,271 sqft · built 1910 |
| Lot Size | 0.064 acres (2,770 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $418,000 (Aug 2009) |
| Tax Bill | $10,429 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 71-C-8 |
| Primary APN | 71-C-8 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 11 Rooms |
| Units | 2 Units |
| Stories | 3 Stories |
| Building Area | 3,271 sqft Living Area |
| Gross Area | 5,020 sqft |
| Basement Area | 1,162 sqft |
| Unfinished Basement | 1,162 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Slate |
| Lot Area | 2,770 sqft (0.064 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Account Number | 3125110 |
|---|---|
| Street Address | 11 WALNUT RD |
| City | SOMERVILLE |
| State | MA |
| Zip | 02145-2936 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | NR |
| Legal Block | C |
| Legal Lot Number | 8 |
| Jurisdiction | SOMERVILLE MA |
| Township / Civil Division | SOMERVILLE |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 350201 |
11 Walnut Rd, a duplex, is owned and occupied by two individuals who bought it in August 2009.
Source: Middlesex County and Somerville City records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 11 WALNUT RD, SOMERVILLE, MA 02145-2936 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 3, 2009 · Amount on File |
| Deed Sale | Aug 3, 2009 · Amount on File |
| Deed Document Number | 2009151761 |
| Deed Book / Page | 53323 / 93 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 11 Walnut Rd was $10,429, up 5.3% 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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $10,429.00 (+5.34%) | $949,800 (+4.67%) Land $383,300 Building $566,500 | $1,178,542 |
| 2025 | $9,900.00 (+4.83%) | $907,400 (+1.08%) Land $365,100 Building $542,300 | |
| 2024 | $9,444.00 (+2.05%) | $897,700 (+0.3%) Land $365,100 Building $532,600 | |
| 2023 | $9,254.00 | $895,000 Land $365,100 Building $529,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 11 Walnut Rd in Zone X, an area of minimal flood risk.
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 |
| Nearby Flood Policies | 1 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.
The area around 11 Walnut 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 | 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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