Middlesex County and Arlington Town property record for 21 Westminster Ave, Arlington, MA 02474
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 1,914 sqft · built 1927 |
| Lot Size | 0.342 acres (14,880 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $655,500 (Jan 2006) |
| Tax Bill | $13,504 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 40244 |
| Primary APN | 40244 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,914 sqft Living Area |
| Gross Area | 3,905 sqft |
| Basement Area | 874 sqft |
| Unfinished Basement | 874 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1927 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 14,880 sqft (0.342 acres) |
| Garage Type | Detached |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 40244 |
|---|---|
| Street Address | 21 WESTMINSTER AVE |
| City | ARLINGTON |
| State | MA |
| Zip | 02474-2732 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Block | 7 |
| Legal Lot Number | 6 |
| Jurisdiction | ARLINGTON MA |
| Township / Civil Division | ARLINGTON |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 356500 |
21 Westminster Ave is owned and occupied by two individuals who bought it in January 2006.
Source: Middlesex County and Arlington Town 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 | 21 WESTMINSTER AVE, ARLINGTON, MA 02474-2732 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 23, 2006 · Amount on File |
| Deed Sale | Jan 23, 2006 · Amount on File |
| Prior Sale | Jun 25, 1998 · Amount on File |
| Deed Document Number | 200613866 |
| Deed Book / Page | 46861 / 592 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 21 Westminster Ave was $13,504, up 3.8% from the year before.
Source: Middlesex County and Arlington Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Arlington Town |
| Unified School District | Arlington School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $13,504.00 (+3.77%) | $1,265,600 (+4.74%) Land $691,400 Building $566,500 | $1,376,896 (+36.84%) |
| 2025 | $13,013.00 (+7.82%) | $1,208,300 (+6.02%) Land $658,500 Building $549,800 | $1,006,240 (-4.92%) |
| 2024 | $12,069.00 (+1.99%) | $1,139,700 (+7.96%) Land $633,800 Building $505,900 | $1,058,300 |
| 2023 | $11,834.00 | $1,055,700 Land $592,600 Building $463,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21 Westminster Ave in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 15 individual policies |
| Nearby Flood Policies | 161 units insured incl. 146 condo units |
| Nearby Flood Claims | 316 (1979–2024) |
| Claims Outside the SFHA | 8 of 316 |
| Most Recent Claim | Jun 2024 · rainfall accumulation |
| Claims by Event |
|
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.
Wildfire risk around 21 Westminster Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 92% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | ARLINGTON WATER DEPT. (MWRA) serves 46,308 people · EPA ID MA3010000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Aug 2023 |
| Lead | 3 ppb (2025) 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 695 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
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