Middlesex County and Waltham City property record for 137 Thornton Rd, Waltham, MA 02453
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 850 sqft · built 1950 |
| Lot Size | 0.141 acres (6,138 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $150,000 (Jan 1997) |
| Tax Bill | $5,935 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 138639 |
| Primary APN | 138639 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 850 sqft Living Area |
| Gross Area | 1,745 sqft |
| Basement Area | 850 sqft |
| Unfinished Basement | 850 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 6,138 sqft (0.141 acres) |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Account Number | 138639 |
|---|---|
| Street Address | 137 THORNTON RD |
| City | WALTHAM |
| State | MA |
| Zip | 02453-7646 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Subdivision | CEDAR SECS A & B |
| Legal Block | 8 |
| Legal Lot Number | 34 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 368400 |
137 Thornton Rd is owned and occupied by two individuals who bought it in January 1997.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 137 THORNTON RD, WALTHAM, MA 02453-7646 |
| Occupancy | Owner Occupied |
| 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 | Jan 31, 1997 · Amount on File |
| Deed Sale | Jan 31, 1997 · Amount on File |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 137 Thornton Rd was $5,935, up 6.5% 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 | $5,935.00 (+6.5%) | $575,100 (+1.34%) Land $409,800 Building $165,300 | $584,161 (+1.62%) |
| 2025 | $5,573.00 (+3.68%) | $567,500 (+1.78%) Land $390,300 Building $177,200 | $574,845 (+1.51%) |
| 2024 | $5,375.00 (+1.74%) | $557,600 (+8.93%) Land $383,100 Building $174,500 | $566,295 |
| 2023 | $5,283.00 | $511,900 Land $346,900 Building $165,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 137 Thornton Rd in Zone X, an area of minimal flood risk, though there have been 8 flood claims nearby since 1979.
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 |
| Nearby Flood Claims | 8 (1979–2010) |
| Claims Outside the SFHA | 1 of 8 |
| Most Recent Claim | Mar 2010 · Severe Storms And Flooding |
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 137 Thornton Rd 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 93% of the US · lower than 83% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 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 | 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 54 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 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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