Middlesex County and Watertown City property record for 86 Walnut St, Watertown, MA 02472
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 2,340 sqft · built 1900 |
| Lot Size | 0.135 acres (5,895 sqft) |
| Owner | Individual Name on File |
| Last Sale | $196,700 (Jul 1997) |
| Tax Bill | $9,950 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 48470-18 |
| Primary APN | 48470-18 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,340 sqft Living Area |
| Gross Area | 4,962 sqft |
| Basement Area | 1,271 sqft |
| Unfinished Basement | 1,271 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Other |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Slate |
| Lot Area | 5,895 sqft (0.135 acres) |
| Heating System | Steam |
|---|---|
| Heating Fuel | Oil |
| Account Number | 875 |
|---|---|
| Street Address | 86 WALNUT ST |
| City | WATERTOWN |
| State | MA |
| Zip | 02472-4028 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | T |
| Legal Block | 58 |
| Legal Lot Number | 12 |
| Jurisdiction | WATERTOWN MA |
| Township / Civil Division | WATERTOWN TOWN |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 370401 |
86 Walnut St, a duplex, is owned and occupied by an individual who bought it in July 1997.
Source: Middlesex County and Watertown City 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 | Individual Name on File |
|---|---|
| Mailing Address | 86 WALNUT ST, WATERTOWN, MA 02472-4028 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 25, 1997 · Amount on File |
| Deed Sale | Jul 25, 1997 · Amount on File |
| Prior Sale | May 13, 1997 · Amount on File |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 86 Walnut St was $9,950, up 3.2% from the year before.
Source: Middlesex County and Watertown City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Watertown City |
| Unified School District | Watertown School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $9,950.00 (+3.17%) | $815,600 (-1.22%) Land $478,000 Building $337,600 | $928,483 |
| 2025 | $9,644.00 (+8.27%) | $825,700 (+8.46%) Land $478,000 Building $347,700 | |
| 2024 | $8,907.00 (-11.05%) | $761,300 (+3.24%) Land $465,600 Building $295,700 | |
| 2023 | $10,014.00 | $737,400 Land $445,400 Building $292,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 86 Walnut St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 86 Walnut St 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 | WATERTOWN DEPARTMENT OF PUBLIC WORKS serves 35,985 people · EPA ID MA3314000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Oct 2025 |
| Lead | 1 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 557 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
May also be available: AT&T, Starry, T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures