Middlesex County and Waltham City property record for 41 Walnut St, Unit 5, Waltham, MA 02453
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1 ba · 812 sqft · built 1970 |
| Lot Size | 0.446 acres (19,451 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $390,000 (Jun 2024) |
| Tax Bill | $4,068 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 211530 |
| Primary APN | 211530 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Units | 46 Units |
| Building Area | 812 sqft Living Area |
| Year Built | Built 1970 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Brick |
| Construction Type | Steel Frame |
| Roof Type | Flat |
| Roof Material | Tar & Gravel |
| Lot Area | 19,451 sqft |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Account Number | 211530 |
|---|---|
| Street Address | 41 WALNUT ST, 5 |
| City | WALTHAM |
| State | MA |
| Zip | 02453-4420 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Block | 16 |
| Legal Lot Number | 5 005 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3007 |
| Census Tract | 368500 |
Source: Middlesex County and Waltham City records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 41 WALNUT ST, 5, WALTHAM, MA 02453-4420 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Individual(s) |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 4, 2024 · Amount on Record |
| Deed Sale | Jun 4, 2024 · Amount on Record |
| Prior Sale | Dec 30, 2016 |
| Deed Book / Page | 82847 / 372 |
| Transfer Doc | 065808-447 |
| Record Updated | Oct 29, 2026 |
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 | $4,068.00 (+8.08%) | $394,200 (+2.84%) Building $394,200 | $409,955 (+12.91%) |
| 2025 | $3,764.00 (+3.81%) | $383,300 (+1.91%) Building $383,300 | $363,090 (+0.29%) |
| 2024 | $3,626.00 (-3%) | $376,100 (+3.84%) Building $376,100 | $362,045 |
| 2023 | $3,738.00 | $362,200 Building $362,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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 812 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 · Fiber in parts of the area | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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