Middlesex County and Arlington Town property record for 166 Mountain Ave, Arlington, MA 02474
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3.5 ba · 2,948 sqft · built 1958 |
| Lot Size | 0.181 acres (7,902 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $1,605,000 (Jun 2024) |
| Tax Bill | $15,037 (2026) |
| Deeds & Mortgages | Nov 2022 Transfer Dec 2019 Sale & Mortgage + 1 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 65896 |
| Primary APN | 65896 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 3 Stories |
| Building Area | 2,948 sqft Living Area |
| Gross Area | 4,092 sqft |
| Basement Area | 896 sqft |
| Unfinished Basement | 448 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 2019 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 7,902 sqft (0.181 acres) |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Account Number | 65896 |
|---|---|
| Street Address | 166 MOUNTAIN AVE |
| City | ARLINGTON |
| State | MA |
| Zip | 02474-2021 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Subdivision | BEVERLY HILLS |
| Legal Block | 3 |
| Legal Lot Number | 6 |
| Jurisdiction | ARLINGTON MA |
| Township / Civil Division | ARLINGTON |
| Census Block Group | 7 |
| Census Block | 7002 |
| Census Tract | 356400 |
Source: Middlesex County and Arlington Town records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 166 MOUNTAIN AVE, ARLINGTON, MA 02474-2021 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust, Family Trust |
| Date | Document |
|---|---|
| Nov 18, 2022 | Quit Claim Deed, Transfer Quitclaim |
| Dec 24, 2019 | Quit Claim Deed, Transfer · Stand-Alone First Mortgage UNITED WHOLESALE MORTGAGE |
| Aug 10, 2018 | Quit Claim Deed, Transfer GREGORY AGGANIS |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 18, 2024 · Amount on Record |
| Deed Sale | Jun 18, 2024 · Amount on Record |
| Prior Sale | Dec 24, 2019 · Amount on Record |
| Deed Book / Page | 82902 / 160 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ARLINGTON MA |
| Recording Date | Nov 18, 2022 |
| Property Address | 166 MOUNTAIN AVE, ARLINGTON, MA 02474-2021 |
| Document Number | 080962-375 |
| Book / Page | 80962 / 375 |
| Instrument Date | Nov 14, 2022 |
| Instrument | 170205 |
| Transaction Type | Transfer |
| Record Updated | Dec 12, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants by the Entirety |
| Address | 166 MOUNTAIN AVE, ARLINGTON, MA 02474-2021 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ARLINGTON MA |
| Recording Date | Dec 24, 2019 |
| Property Address | 166 MOUNTAIN AVE, ARLINGTON, MA 02474-2021 |
| Document Number | 073889-598 |
| Book / Page | 73889 / 598 |
| Instrument Date | Dec 23, 2019 |
| Instrument | 205442 |
| Transaction Type | Transfer |
| Record Updated | May 10, 2022 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 166 MOUNTAIN AVE, ARLINGTON, MA 02474-2021 |
| Investor | Possibly a Property Investor |
| Document Number | 0000205443 |
|---|---|
| Date | Dec 24, 2019 |
| Instrument | 205443 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ARLINGTON MA |
| Recording Date | Aug 10, 2018 |
| Property Address | 166 MOUNTAIN AVE, ARLINGTON, MA 02474-2021 |
| Document Number | 71458-181 |
| Book / Page | 071458 / 000181 |
| Instrument Date | Aug 3, 2018 |
| Instrument | 122451 |
| Transaction Type | Transfer |
| Record Updated | Aug 28, 2018 |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $3,055.20 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 166 MOUNTAIN AVE ARLINGTON MA 024742021, ARLINGTON, MA 02474-2021 |
| Document Number | 71458-184 |
|---|---|
| Date | Aug 10, 2018 |
| Book Page | 071458/000184 |
| Instrument | 122452 |
| Name | GREGORY AGGANIS |
|---|
| Amount | Amount Recorded |
|---|---|
| Term | 12 Months |
| Due | Aug 9, 2019 |
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 | $15,037.00 (+1.77%) | $1,409,300 (+2.73%) Land $538,700 Building $870,600 | $1,657,313 (+10.6%) |
| 2025 | $14,775.00 (+6.47%) | $1,371,900 (+4.69%) Land $538,700 Building $833,200 | $1,498,435 (+0.67%) |
| 2024 | $13,877.00 (+4.09%) | $1,310,400 (+10.18%) Land $532,200 Building $778,200 | $1,488,460 |
| 2023 | $13,332.00 | $1,189,300 Land $479,600 Building $709,700 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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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