Middlesex County and Arlington Town property record for 185 Mountain Ave, Arlington, MA 02474
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 2,076 sqft · built 1950 |
| Lot Size | 0.138 acres (5,998 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $499,000 (Sep 2002) |
| Tax Bill | $10,956 (2026) |
| Deeds & Mortgages | May 2021 Line of Credit Mar 2021 Refinance |
| Flood Zone | Zone X (minimal risk) |
| APN | 65823 |
| Primary APN | 65823 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,076 sqft Living Area |
| Gross Area | 3,220 sqft |
| Basement Area | 792 sqft |
| Unfinished Basement | 792 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 5,998 sqft (0.138 acres) |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Gas |
| Account Number | 65823 |
|---|---|
| Street Address | 185 MOUNTAIN AVE |
| City | ARLINGTON |
| State | MA |
| Zip | 02474-2049 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Subdivision | GIORDON B NORTHRUP |
| Legal Block | 2 |
| Legal Lot Number | 18 |
| Jurisdiction | ARLINGTON MA |
| Township / Civil Division | ARLINGTON |
| Census Block Group | 7 |
| Census Block | 7001 |
| Census Tract | 356400 |
185 Mountain Ave is owned and occupied by two individuals who bought it in September 2002.
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 | 185 MOUNTAIN AVE, ARLINGTON, MA 02474-2049 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| May 12, 2021 | Deed of Trust, Mortgage · Line of Credit CITIZENS BANK OF RHODE ISLAND |
| Mar 17, 2021 | Deed of Trust, Mortgage · Stand-Alone Refinance CITIZENS BANK OF RHODE ISLAND |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 16, 2002 · Amount on File |
| Deed Sale | Sep 16, 2002 · Amount on File |
| Prior Sale | Sep 30, 1999 · Amount on File |
| Deed Document Number | 20021070 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ARLINGTON MA |
| Property Address | 185 MOUNTAIN AVE, ARLINGTON, MA 02474-2049 |
| Transaction Type | Mortgage |
| Record Updated | May 28, 2021 |
| Name | Verified Name |
|---|
| Document Number | 77748-294 |
|---|---|
| Date | May 12, 2021 |
| Book Page | 77748/294 |
| Instrument | 107580 |
| Name | CITIZENS BANK OF RHODE ISLAND |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 301 Months |
| Due | Jun 1, 2046 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ARLINGTON MA |
| Property Address | 185 MOUNTAIN AVE, ARLINGTON, MA 02474-2049 |
| Transaction Type | Mortgage |
| Record Updated | Apr 2, 2021 |
| Name | Verified Name |
|---|
| Document Number | 77254-359 |
|---|---|
| Date | Mar 17, 2021 |
| Book Page | 77254/359 |
| Instrument | 59813 |
| Name | CITIZENS BANK OF RHODE ISLAND |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Apr 1, 2036 |
The 2026 property tax bill for 185 Mountain Ave was $10,956, up 1.7% 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 | $10,956.00 (+1.68%) | $1,026,800 (+2.63%) Land $442,800 Building $584,000 | $1,147,882 (+2.94%) |
| 2025 | $10,775.00 (+5.77%) | $1,000,500 (+4.01%) Land $442,800 Building $557,700 | $1,115,110 (+11.02%) |
| 2024 | $10,187.00 (+4.03%) | $961,900 (+10.12%) Land $437,400 Building $524,500 | $1,004,435 |
| 2023 | $9,792.00 | $873,500 Land $394,200 Building $479,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 185 Mountain Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2001.
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 | 3 in force |
| Nearby Flood Claims | 1 (2001) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Mar 2001 · Severe Storms And Flooding |
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 185 Mountain 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 604 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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