Middlesex County and Waltham City property record for 51 Summit St, Waltham, MA 02451
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,761 sqft · built 1930 |
| Lot Size | 0.127 acres (5,519 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $440,000 (Oct 2004) |
| Tax Bill | $7,746 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 108403 |
| Primary APN | 108403 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,761 sqft Living Area |
| Gross Area | 4,576 sqft |
| Basement Area | 1,416 sqft |
| Unfinished Basement | 779 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Cape Cod |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 5,519 sqft (0.127 acres) |
| Heating System | Steam |
|---|---|
| Heating Fuel | Gas |
| Account Number | 108403 |
|---|---|
| Street Address | 51 SUMMIT ST |
| City | WALTHAM |
| State | MA |
| Zip | 02451-2967 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Block | 18 |
| Legal Lot Number | 11 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 368200 |
51 Summit St is owned and occupied by two individuals who bought it in October 2004.
Source: Middlesex County and Waltham City records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 51 SUMMIT ST, WALTHAM, MA 02451-2967 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 14, 2004 · Amount on File |
| Deed Sale | Oct 14, 2004 · Amount on File |
| Prior Sale | May 29, 2001 · Amount on File |
| Deed Document Number | 2004262507 |
| Deed Book / Page | 43892 / 304 |
| Transfer Doc | 0000057048 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 51 Summit St was $7,746, up 9.7% 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 | $7,746.00 (+9.7%) | $750,600 (+4.39%) Land $402,800 Building $347,800 | $915,460 (+4.11%) |
| 2025 | $7,061.00 (+2.32%) | $719,000 (+0.43%) Land $383,600 Building $335,400 | $879,320 (+2.58%) |
| 2024 | $6,901.00 (+0.35%) | $715,900 (+7.43%) Land $383,600 Building $332,300 | $857,185 |
| 2023 | $6,877.00 | $666,400 Land $348,100 Building $318,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 51 Summit 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 | 7 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 51 Summit 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 265 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 |
5G (outdoors only) and 4G LTE
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