Middlesex County and Belmont Town property record for 45 Common St, Belmont, MA 02478
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 5.5 ba · 5,888 sqft · built 1890 |
| Lot Size | 0.939 acres (40,915 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $35,320 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | BELM M:31 P:000041 S |
| Primary APN | BELM M:31 P:000041 S |
|---|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 5.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 14 Rooms |
| Stories | 3 Stories |
| Building Area | 5,888 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1890 |
|---|---|
| Effective Year Built | Effective 1890 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Lot Area | 40,915 sqft (0.939 acres) |
| Total Buildings | 2 Buildings |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Street Address | 45 COMMON ST |
|---|---|
| City | BELMONT |
| State | MA |
| Zip | 02478-3022 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SC |
| Jurisdiction | BELMONT MA |
| Township / Civil Division | BELMONT |
| Census Block Group | 4 |
| Census Block | 4001 |
| Census Tract | 357800 |
45 Common St is owner-occupied and held in a trust.
Source: Middlesex County and Belmont Town records, as of July 20, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 45 COMMON ST, BELMONT, MA 02478-3022 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| 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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 45 Common St was $35,320.
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 | $35,320.00 | $3,101,000 Land $1,245,000 Building $1,856,000 | $2,802,120 (+14.08%) |
| 2024 | $2,456,320 | ||
| 2023 | $28,145.00 | $2,504,000 Land $1,184,000 Building $1,320,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 45 Common St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 45 Common St is low, with less than 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 99.1% of the US · lower than 98.7% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 | 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 419 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: AT&T.
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