Middlesex County and Watertown City property record for 230 Main St, Watertown, MA 02472
| Property Type | Mixed Use Commercial Office / Residential |
|---|---|
| Details | 3 bd · 4 ba · 4,090 sqft · built 1838 |
| Lot Size | 0.373 acres (16,251 sqft) |
| Owner | 2 Trust Names on Record |
| Tax Bill | $7,510 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 104560-31 |
| Primary APN | 104560-31 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 9 Rooms |
| Units | 4 Units |
| Stories | 3 Stories |
| Building Area | 4,090 sqft Total Area |
| Gross Area | 6,754 sqft |
| Basement Area | 1,726 sqft |
| Unfinished Basement | 1,726 sqft |
| Year Built | Built 1838 |
|---|---|
| Effective Year Built | Effective 1838 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 16,251 sqft (0.373 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Electric |
| Account Number | 4452 |
|---|---|
| Street Address | 230 MAIN ST |
| City | WATERTOWN |
| State | MA |
| Zip | 02472-4301 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Local Zoning Code | T |
| Legal Block | 10B |
| Jurisdiction | WATERTOWN MA |
| Township / Civil Division | WATERTOWN TOWN |
| Census Block Group | 3 |
| Census Block | 3003 |
| 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 | 2 Trust Names on Record |
|---|---|
| Mailing Address | 41 LONGFELLOW RD, WATERTOWN, MA 02472-1624 |
| Owner Type | Individual |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 6, 2007 |
| Deed Sale | Dec 6, 2007 |
| Prior Sale | Oct 2, 2006 · Amount on Record |
| Deed Book / Page | 1347 / 131 |
| Transfer Doc | 1347-131 |
| 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 | $7,510.00 | $615,600 (-5%) Land $223,800 Building $391,800 |
| 2025 | $1,231,200 (+11.32%) Land $447,600 Building $783,600 | |
| 2024 | $1,106,000 (+0.77%) Land $442,600 Building $663,400 | |
| 2023 | $1,097,600 Land $434,200 Building $663,400 |
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 |
|---|---|
| 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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