Middlesex County and Watertown City property record for 143 Walnut St, Watertown, MA 02472
| Property Type | Telephone, Telegraph |
|---|---|
| Details | 3.5 ba · 28,970 sqft · built 1972 |
| Lot Size | 1.42 acres (61,881 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $215,137 (Aug 2001) |
| Tax Bill | $101,745 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 103930-27 |
| Primary APN | 103930-27 |
|---|---|
| Alternative APNs |
|
| Full Baths | 3.5 Baths |
|---|---|
| Half Baths | 3 Half Baths |
| Stories | 2 Stories |
| Building Area | 28,970 sqft Total Area |
| Gross Area | 28,988 sqft |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1972 |
| Exterior Material | Brick |
| Construction Type | Steel Frame |
| Roof Type | Flat |
| Roof Material | Other |
| Lot Area | 61,881 sqft (1.42 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Oil |
| Account Number | 921 |
|---|---|
| Street Address | 143 WALNUT ST |
| City | WATERTOWN |
| State | MA |
| Zip | 02472-4026 |
| Property Category | Public Works |
| Property Type | Public Works > Telephone, Telegraph |
| Local Zoning Code | I-3 |
| Legal Block | 6 |
| Jurisdiction | WATERTOWN MA |
| Township / Civil Division | WATERTOWN TOWN |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 370401 |
143 Walnut St, a public works property, is owned by a company that bought it in August 2001.
Source: Middlesex County and Watertown City records, as of October 20, 2026
| Owner of Record | 2 Company Names on File |
|---|---|
| Mailing Address | PO BOX 2749, ADDISON, TX 75001-3043 |
| Owner Type | Company |
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 | Aug 10, 2001 · Amount on File |
| Deed Sale | Aug 10, 2001 · Amount on File |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 143 Walnut St was $101,745, up 2.8% 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 |
|---|---|---|
| 2026 | $101,745.00 (+2.8%) | $4,335,100 (-) Land $2,149,400 Building $2,185,700 |
| 2025 | $98,970.00 (+0.13%) | $4,335,100 (+1.23%) Land $2,149,400 Building $2,185,700 |
| 2024 | $98,838.00 (+27.63%) | $4,282,400 (+9.11%) Land $1,905,300 Building $2,377,100 |
| 2023 | $77,440.00 | $3,925,000 Land $1,823,700 Building $2,101,300 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 143 Walnut St 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 143 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 375 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fixed Wireless · Fiber in parts of the area | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Starry.
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