Middlesex County and Arlington Town property record for 21 Dow Ave, Arlington, MA 02476
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 2,086 sqft · built 1925 |
| Lot Size | 0.178 acres (7,745 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $465,000 (Nov 2009) |
| Tax Bill | $11,388 (2026) |
| Deeds & Mortgages | Jun 2020 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 112201 |
| Primary APN | 112201 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,086 sqft Living Area |
| Gross Area | 3,412 sqft |
| Basement Area | 946 sqft |
| Unfinished Basement | 946 sqft |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1959 |
| Architectural Style | Other |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 7,745 sqft (0.178 acres) |
| Heating System | Steam |
|---|---|
| Heating Fuel | Oil |
| Account Number | 112201 |
|---|---|
| Street Address | 21 DOW AVE |
| City | ARLINGTON |
| State | MA |
| Zip | 02476-7105 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Block | 8 |
| Legal Lot Number | 1.B |
| Jurisdiction | ARLINGTON MA |
| Township / Civil Division | ARLINGTON |
| Census Block Group | 3 |
| Census Block | 3004 |
| Census Tract | 356602 |
21 Dow Ave is owned and occupied by two individuals who bought it in November 2009.
Source: Middlesex County and Arlington Town records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 21 DOW AVE, ARLINGTON, MA 02476-7105 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Nov 24, 2009 · Amount on File |
| Deed Sale | Nov 24, 2009 · Amount on File |
| Prior Sale | Oct 2, 2002 · Amount on File |
| Deed Document Number | 2009227453 |
| Deed Book / Page | 53897 / 114 |
| Transfer Doc | 53597-59 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ARLINGTON MA |
| Property Address | 21 DOW AVE, ARLINGTON, MA 02476-7105 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 74881-160 |
|---|---|
| Date | Jun 15, 2020 |
| Book Page | 74881/160 |
| Instrument | 92210 |
| Name | DIGITAL FCU |
|---|---|
| Type | Credit Union |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jul 1, 2050 |
The 2026 property tax bill for 21 Dow Ave was $11,388, up 0.9% 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 | $11,388.00 (+0.86%) | $1,067,300 (+1.8%) Land $561,100 Building $506,200 | $931,567 (-11.51%) |
| 2025 | $11,291.00 (+7.15%) | $1,048,400 (+5.36%) Land $535,000 Building $513,400 | $1,052,790 (+10.84%) |
| 2024 | $10,538.00 (+2.5%) | $995,100 (+8.51%) Land $535,000 Building $460,100 | $949,810 |
| 2023 | $10,281.00 | $917,100 Land $476,200 Building $440,900 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 21 Dow Ave 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 | 2 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 21 Dow Ave 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 | 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 851 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 |
| AT&T Fixed Wireless | 100 / 20 |
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