Middlesex County and Watertown City property record for 3 Brook St, Watertown, MA 02472
| Property Type | Office Building |
|---|---|
| Details | 4 ba · 9,922 sqft · built 1930 |
| Lot Size | 0.249 acres (10,860 sqft) |
| Owner | Trust Name on Record |
| Tax Bill | $32,309 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 103150-09 |
| Primary APN | 103150-09 |
|---|---|
| Alternative APNs |
|
| Full Baths | 4 Baths |
|---|---|
| Half Baths | 4 Half Baths |
| Stories | 2 Stories |
| Building Area | 9,922 sqft Total Area |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1930 |
| Exterior Material | Brick |
| Construction Type | Frame |
| Roof Type | Flat |
| Roof Material | Other |
| Lot Area | 10,860 sqft (0.249 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Steam |
| Heating Fuel | Oil |
| Account Number | 4315 |
|---|---|
| Street Address | 3 BROOK ST |
| City | WATERTOWN |
| State | MA |
| Zip | 02472-2314 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Local Zoning Code | CB |
| Legal Block | 6 |
| Legal Lot Number | 2 |
| Jurisdiction | WATERTOWN MA |
| Township / Civil Division | WATERTOWN TOWN |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 370103 |
Source: Middlesex County and Watertown City 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 | Trust Name on Record |
|---|---|
| Mailing Address | 315 FRANKLIN ST, NEWTON, MA 02458-2302 |
| Owner Type | Individual |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
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 | $32,309.00 (+2.8%) | $1,376,600 (-) Land $556,700 Building $819,900 |
| 2025 | $31,428.00 (+1%) | $1,376,600 (+11.2%) Land $556,700 Building $819,900 |
| 2024 | $28,571.00 (+20.04%) | $1,237,900 (+2.61%) Land $534,500 Building $703,400 |
| 2023 | $23,802.00 | $1,206,400 Land $507,100 Building $699,300 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 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.
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 610 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 · Fiber in parts of the area | 1,500 / 50 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile.
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