Middlesex County and Belmont Town property record for 307 Mill St, Belmont, MA 02478
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,374 sqft · built 1940 |
| Lot Size | 0.357 acres (15,556 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $600,000 (Jul 2014) |
| Tax Bill | $10,615 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | BELM M:59 P:000008 S |
| Primary APN | BELM M:59 P:000008 S |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,374 sqft Living Area |
| Gross Area | 3,556 sqft |
| 1st Floor Area | 759 sqft |
| Basement Area | 3,138 sqft |
| Unfinished Basement | 3,138 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Architectural Style | Cape Cod |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 15,556 sqft (0.357 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Street Address | 307 MILL ST |
|---|---|
| City | BELMONT |
| State | MA |
| Zip | 02478-1009 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SA |
| Jurisdiction | BELMONT MA |
| Township / Civil Division | BELMONT |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 357700 |
307 Mill St is held in a trust since July 2014.
Source: Middlesex County and Belmont Town records, as of July 20, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 872 CONCORD AVE, BELMONT, MA 02478-1604 |
| Owner Type | Company |
| Vesting | Trust |
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 | Jul 18, 2014 · Amount on File |
| Deed Sale | Jul 18, 2014 · Amount on File |
| Deed Document Number | 2014103435 |
| Deed Book / Page | 63938 / 553 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 307 Mill St was $10,615.
Source: Middlesex County and Belmont Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| County Subdivision | Belmont Town |
| Unified School District | Belmont School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $10,615.00 | $932,000 Land $749,000 Building $183,000 | $1,052,790 (+1.33%) |
| 2024 | $1,039,015 | ||
| 2023 | $10,543.00 | $938,000 Land $759,000 Building $179,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 307 Mill St in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 1996.
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 | 5 in force |
| Nearby Flood Claims | 2 (1996–2019) |
| Claims Outside the SFHA | 1 of 2 |
| Most Recent Claim | Apr 2019 · rainfall accumulation |
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.
Wildfire risk around 307 Mill St is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | BELMONT WATER DEPT. (MWRA) serves 27,442 people · EPA ID MA3026000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Jul 2023 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 133 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband.
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