Middlesex County and Arlington Town property record for 256 Mountain Ave, Arlington, MA 02474
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 2,151 sqft · built 1958 |
| Lot Size | 0.163 acres (7,109 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $53,000 (Jun 1978) |
| Tax Bill | $9,960 (2026) |
| Deeds & Mortgages | Nov 2018 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 72968 |
| Primary APN | 72968 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,151 sqft Living Area |
| Gross Area | 3,010 sqft |
| Basement Area | 864 sqft |
| Unfinished Basement | 432 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Cape Cod |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,109 sqft (0.163 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 72968 |
|---|---|
| Street Address | 256 MOUNTAIN AVE |
| City | ARLINGTON |
| State | MA |
| Zip | 02474-1635 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Block | 3 |
| Legal Lot Number | 9 |
| Jurisdiction | ARLINGTON MA |
| Township / Civil Division | ARLINGTON |
| Census Block Group | 6 |
| Census Block | 6016 |
| Census Tract | 356400 |
256 Mountain Ave is owned and occupied by two individuals who bought it in June 1978.
Source: Middlesex County and Arlington Town records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 256 MOUNTAIN AVE, ARLINGTON, MA 02474-1635 |
| 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 | Jun 1, 1978 · Amount on File |
| Deed Sale | Jun 1, 1978 · Amount on File |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ARLINGTON MA |
| Property Address | 256 MOUNTAIN AVE, ARLINGTON, MA 02474-1635 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 71946-138 |
|---|---|
| Date | Nov 30, 2018 |
| Book Page | 71946/138 |
| Instrument | 182394 |
| Name | RADIUS FINANCIAL GRP |
|---|---|
| Type | Funding / Finance Company |
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | Nov 1, 2048 |
The 2026 property tax bill for 256 Mountain Ave was $9,960, down 0.3% 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 | $9,960.00 (-0.25%) | $933,500 (+0.69%) Land $519,300 Building $413,500 | $924,040 (+5.82%) |
| 2025 | $9,985.00 (+6.69%) | $927,100 (+4.9%) Land $519,300 Building $407,800 | $873,240 (+1.7%) |
| 2024 | $9,359.00 (+7.49%) | $883,800 (+13.79%) Land $513,000 Building $370,800 | $858,610 |
| 2023 | $8,707.00 | $776,700 Land $462,300 Building $314,400 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 256 Mountain Ave in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1982.
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 |
| Nearby Flood Claims | 2 (1982–1983) |
| Most Recent Claim | Mar 1983 · rainfall accumulation |
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 256 Mountain 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 99.1% of the US · lower than 98.7% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 690 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 / 250 |
| Astound Broadband Cable | 1,500 / 50 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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