Middlesex County and Waltham City property record for 30 Walnut St, Waltham, MA 02453
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 2,084 sqft · built 1900 |
| Lot Size | 0.109 acres (4,761 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $255,000 (Jan 2010) |
| Tax Bill | $6,707 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 118474 |
| Primary APN | 118474 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 12 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,084 sqft Living Area |
| Gross Area | 3,858 sqft |
| Basement Area | 1,105 sqft |
| Unfinished Basement | 1,105 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 4,761 sqft (0.109 acres) |
| Heating System | Steam |
|---|---|
| Heating Fuel | Oil |
| Account Number | 118474 |
|---|---|
| Street Address | 30 WALNUT ST |
| City | WALTHAM |
| State | MA |
| Zip | 02453-4442 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Block | 13 |
| Legal Lot Number | 16 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 3 |
| Census Block | 3008 |
| Census Tract | 368500 |
Source: Middlesex County and Waltham City records, as of April 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 111 WASHINGTON AVE, WALTHAM, MA 02453-5064 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 29, 2010 · Amount on Record |
| Deed Sale | Jan 29, 2010 · Amount on Record |
| Deed Document Number | 201017309 |
| Deed Book / Page | 54226 / 305 |
| Record Updated | Jun 8, 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 |
|---|---|---|
| 2025 | $6,707.00 (+2.44%) | $683,000 (+0.56%) Land $351,100 Building $331,900 |
| 2024 | $6,547.00 (+1.07%) | $679,200 (+8.2%) Land $351,100 Building $328,100 |
| 2023 | $6,478.00 | $627,700 Land $319,800 Building $307,900 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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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