Middlesex County and Waltham City property record for 330 River St, Waltham, MA 02453
| Property Type | State Owned (Exempt) |
|---|---|
| Details | 5 bd · 4 ba · 3,498 sqft · built 1918 |
| Lot Size | 2.19 acres (95,462 sqft) |
| Owner | Company Name on Record |
| Flood Zone | Zone X (moderate risk) |
| APN | 211933 |
| Primary APN | 211933 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,498 sqft Living Area |
| Gross Area | 6,632 sqft |
| 1st Floor Area | 1,800 sqft |
| Basement Area | 1,674 sqft |
| Unfinished Basement | 1,674 sqft |
| Year Built | Built 1918 |
|---|---|
| Effective Year Built | Effective 1918 |
| Architectural Style | Colonial |
| Exterior Material | Brick |
| Construction Type | Concrete |
| Roof Type | Hip |
| Lot Area | 95,462 sqft (2.19 acres) |
| Garage Type | Detached |
| Account Number | 211933 |
|---|---|
| Street Address | 330 RIVER ST |
| City | WALTHAM |
| State | MA |
| Zip | 02453 |
| Property Category | Public Works |
| Property Type | Public Works > State Owned (Exempt) |
| Legal Block | 25 |
| Legal Lot Number | 2 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 5 |
| Census Block | 5014 |
| Census Tract | 368800 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 20 SOMERSET ST, BOSTON, MA 02108-5302 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| 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 | Assessed Value |
|---|---|
| 2026 | $2,181,900 (+5.93%) Land $2,181,900 |
| 2025 | $2,059,800 (+10.29%) Land $2,059,800 |
| 2024 | $1,867,700 Land $1,867,700 |
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
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 591 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 · Fiber in parts of the area | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
May also be available: AT&T, T-Mobile.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures