Norfolk County and Wellesley Town property record for 51 River St, Wellesley Hills, MA 02481
| Property Type | Office Building |
|---|---|
| Lot Size | 0.157 acres (6,850 sqft) |
| Owner | 2 Company Names on File |
| Last Sale | $800,000 (May 2026) |
| Tax Bill | $8,156 (2026) |
| Deeds & Mortgages | May 2026 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | WELL M:034 R:001 S |
| Primary APN | WELL M:034 R:001 S |
|---|
| Units | 2 Units |
|---|
| Lot Area | 6,850 sqft (0.157 acres) |
|---|
| Street Address | 51 RIVER ST |
|---|---|
| City | WELLESLEY HILLS |
| State | MA |
| Zip | 02481-2012 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Jurisdiction | WELLESLEY MA |
| Township / Civil Division | WELLESLEY |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 404100 |
51 River St, a commercial property, is owned by a company that bought it in May 2026.
Source: Norfolk County and Wellesley Town 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 | 2 Company Names on File |
|---|---|
| Mailing Address | 800 BOYLSTON ST, 1390, BOSTON, MA 02199-7077 |
| Owner Type | Company |
| Vesting | Tenants in Common |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 5, 2026 · Amount on File |
| Deed Sale | May 5, 2026 · Amount on File |
| Prior Sale | Jun 6, 2007 · Amount on File |
| Deed Document Number | 202629433 |
| Deed Book / Page | 43090 / 306 |
| Prior Transfer Date | Apr 29, 2026 |
| Prior Transfer Doc | 0000029433 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WELLESLEY MA |
| Recording Date | May 5, 2026 |
| Property Address | 51 RIVER ST, WELLESLEY HILLS, MA 02481-2012 |
| Document Number | 0000029433 |
| Book / Page | 43090 / 306 |
| Instrument Date | Apr 29, 2026 |
| Instrument | 2026.29433 |
| Transaction Type | Transfer |
| Record Updated | May 28, 2026 |
| Amount | Amount on Record |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Tenants in Common |
| Document Number | 043090-309, |
|---|---|
| Date | May 5, 2026 |
| Book Page | 43090/309 |
| Instrument | 2026.29434 |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount on Record |
| Rate | 6.46% |
|---|---|
| Max Rate | -1% |
The 2026 property tax bill for 51 River St was $8,156, down 1.1% from the year before.
Source: Norfolk County and Wellesley Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Norfolk County |
| County Subdivision | Wellesley Town |
| Unified School District | Wellesley School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $8,156.00 (-1.08%) | $802,000 (-) Building $802,000 |
| 2025 | $8,245.00 (+4.21%) | $802,000 (+5.53%) Building $802,000 |
| 2024 | $7,912.00 (-19.65%) | $760,000 (-11.63%) Building $760,000 |
| 2023 | $9,847.00 | $860,000 Building $860,000 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 51 River St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective May 26, 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 | 3 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.
Wildfire risk around 51 River St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 92% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 | WELLESLEY WATER DIVISION serves 29,550 people · EPA ID MA3317000 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Jun 2025 |
| Lead | 4 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 341 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 |
May also be available: AT&T.
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