Middlesex County and Waltham City property record for 10 River St, Waltham, MA 02453
| Property Type | Commercial Vacant Land |
|---|---|
| Details | 3 bd · 3.5 ba · 1,632 sqft · built 1993 |
| Lot Size | 0.321 acres (14,000 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $8,332 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 95621 |
| Primary APN | 95621 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,632 sqft Living Area |
| Gross Area | 3,456 sqft |
| Basement Area | 816 sqft |
| Unfinished Basement | 816 sqft |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1993 |
| Lot Area | 14,000 sqft (0.321 acres) |
| Account Number | 95621 |
|---|---|
| Street Address | 10 RIVER ST |
| City | WALTHAM |
| State | MA |
| Zip | 02453-8305 |
| Property Category | Commercial |
| Property Type | Vacant Land > Commercial |
| Legal Block | 8 |
| Legal Lot Number | 2 |
| Jurisdiction | WALTHAM MA |
| Township / Civil Division | WALTHAM |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 368800 |
10 River St, commercial vacant land, is owned by two individuals.
Source: Middlesex County and Waltham City records, as of April 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 6500, CARLISLE, PA 17013-0902 |
| Owner Type | Individual |
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 |
|---|---|
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 10 River St was $8,332, up 11.7% 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 |
|---|---|---|
| 2025 | $8,332.00 (+11.75%) | $396,000 (+1%) Land $396,000 |
| 2024 | $7,456.00 | $360,000 Land $360,000 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 10 River St in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| 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.
The area around 10 River 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 203 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 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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