Middlesex County and Waltham City property record for 71 Colonial Ave, Waltham, MA 02453
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,723 sqft · built 1945 |
| Lot Size | 0.147 acres (6,386 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $7,720 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 27376 |
| Primary APN | 27376 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,723 sqft Living Area |
| Gross Area | 2,512 sqft |
| Basement Area | 696 sqft |
| Unfinished Basement | 383 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Cape Cod |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 6,386 sqft (0.147 acres) |
| Garage Type | Attached |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Gas |
| Account Number | 27376 |
|---|---|
| Street Address | 71 COLONIAL AVE |
| City | WALTHAM |
| State | MA |
| Zip | 02453-6871 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | 1 |
| Legal Subdivision | SHEET 01 PLAN 17270C |
| Legal Block | 19 |
| Legal Lot Number | 15 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 368800 |
71 Colonial Ave is owner-occupied and held in a trust since March 2010.
Source: Middlesex County and Waltham City records, as of October 20, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 71 COLONIAL AVE, WALTHAM, MA 02453-6871 |
| Occupancy | Owner Occupied |
| 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 | Mar 22, 2010 |
| Deed Sale | Mar 22, 2010 |
| Prior Sale | Aug 24, 1994 · Amount on File |
| Deed Document Number | 20101527958 |
| Deed Book / Page | 1381 / 120 |
| Transfer Doc | 1381-120 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 71 Colonial Ave was $7,720, up 10.3% 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 | $7,720.00 (+10.3%) | $748,100 (+4.97%) Land $473,700 Building $274,400 | $769,073 (-7.74%) |
| 2025 | $6,999.00 (+5.71%) | $712,700 (+3.77%) Land $451,200 Building $261,500 | $833,625 (+3.05%) |
| 2024 | $6,621.00 (-1.72%) | $686,800 (+5.21%) Land $429,300 Building $257,500 | $808,925 |
| 2023 | $6,737.00 | $652,800 Land $407,500 Building $245,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 71 Colonial Ave in Zone X, an area of minimal flood risk, though there have been 5 flood claims nearby since 1978.
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 | 5 (1978–2008) |
| Most Recent Claim | Dec 2008 · Severe Winter Storm 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.
The area around 71 Colonial Ave 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 599 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 |
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