Middlesex County and Watertown City property record for 12 Hall Ave, Watertown, MA 02472 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 2,194 sqft · built 1920 |
| Lot Size | 0.103 acres (4,500 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $265,500 (Mar 1997) |
| Tax Bill | $10,461 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 18350-19 |
| Primary APN | 18350-19 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,194 sqft Living Area |
| Gross Area | 4,054 sqft |
| Basement Area | 896 sqft |
| Unfinished Basement | 896 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 4,500 sqft (0.103 acres) |
| Heating System | Steam |
|---|---|
| Heating Fuel | Gas |
| Account Number | 6138 |
|---|---|
| Street Address | 12 HALL AVE |
| City | WATERTOWN |
| State | MA |
| Zip | 02472-1227 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Block | 11 |
| Legal Lot Number | 274 |
| Jurisdiction | WATERTOWN MA |
| Township / Civil Division | WATERTOWN TOWN |
| Census Block Group | 4 |
| Census Block | 4004 |
| Census Tract | 370202 |
Source: Middlesex County and Watertown City records · APN 18350-19
Assessment roll updated April 14, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 12 HALL AVE, WATERTOWN, MA 02472-1227 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Mar 03, 1997 · Amount on Record |
| Deed Sale | Mar 03, 1997 · Amount on Record |
| Record Updated | Sep 20, 2026 |
Source: Middlesex County and Watertown City records · Assessment roll updated April 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Watertown City |
| Unified School District | Watertown School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $10,461.00 (+12.36%) | $895,600 (+12.55%) Land $514,900 Building $380,700 | $1,085,090 (+3.33%) |
| 2024 | $9,310.00 (-7.88%) | $795,700 (+6.92%) Land $486,500 Building $309,200 | $1,050,130 |
| 2023 | $10,106.00 | $744,200 Land $465,300 Building $278,900 |
Source: FEMA National Flood Hazard Layer, Middlesex County (25017C), updated September 10, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
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