Middlesex County and Waltham City property record for 255 Brown St, Waltham, MA 02453
| Property Type | Duplex |
|---|---|
| Details | 8 bd · 2.5 ba · 4,024 sqft · built 1920 |
| Lot Size | 0.138 acres (5,998 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $550,000 (Aug 2002) |
| Tax Bill | $19,012 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 16529 |
| Primary APN | 16529 |
|---|---|
| Alternative APN |
|
| Bedrooms | 8 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 4,024 sqft Living Area |
| Gross Area | 6,421 sqft |
| Basement Area | 2,012 sqft |
| Unfinished Basement | 2,012 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Duplex Single |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 5,998 sqft (0.138 acres) |
| Garage Type | Detached |
| Heating System | Steam |
|---|---|
| Heating Fuel | Oil |
| Account Number | 16529 |
|---|---|
| Street Address | 255 BROWN ST |
| City | WALTHAM |
| State | MA |
| Zip | 02453-5842 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | 1 |
| Legal Block | 7 |
| Legal Lot Number | 5 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 368600 |
255 Brown St, a duplex, is owned by two individuals who bought it in August 2002.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 257 BROWN ST, WALTHAM, MA 02453-5842 |
| Owner Type | Individual |
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 | Aug 20, 2002 · Amount on File |
| Deed Sale | Aug 20, 2002 · Amount on File |
| Prior Sale | Apr 30, 1997 · Amount on File |
| Deed Document Number | 20021047 |
| Transfer Doc | 0000000016 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 255 Brown St was $19,012, up 12.5% from the year before.
Source: Middlesex County and Waltham City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Waltham City |
| Unified School District | Waltham School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $19,012.00 (+12.45%) | $1,842,200 (+7%) Land $400,300 Building $1,441,900 | $1,177,203 |
| 2025 | $16,907.00 (+9.2%) | $1,721,700 (+7.2%) Land $363,600 Building $1,358,100 | |
| 2024 | $15,483.00 (-2.17%) | $1,606,100 (+4.73%) Land $363,600 Building $1,242,500 | |
| 2023 | $15,826.00 | $1,533,500 Land $331,200 Building $1,202,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 255 Brown St in Zone X, an area of minimal flood risk.
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.
The area around 255 Brown St has no burnable land within ember reach, so its wildfire risk is not rated.
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 | WALTHAM WATER DEPARTMENT serves 65,218 people · EPA ID MA3308000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Jun 2024 |
| 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 797 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
May also be available: T-Mobile.
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