Bristol County and Westport Town property record for 643 River Rd, Westport, MA 02790
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,139 sqft · built 1920 |
| Lot Size | 1.8 acres (78,408 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $6,235 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | WPOR M:89 L:126 |
| Primary APN | WPOR M:89 L:126 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,139 sqft Living Area |
| Gross Area | 1,425 sqft |
| 1st Floor Area | 1,139 sqft |
| Basement Area | 1,138 sqft |
| Unfinished Basement | 1,138 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 78,408 sqft (1.8 acres) |
| Account Number | 6842 |
|---|---|
| Street Address | 643 RIVER RD |
| City | WESTPORT |
| State | MA |
| Zip | 02790-5157 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Lot Number | 126 |
| Jurisdiction | WESTPORT MA |
| Township / Civil Division | WESTPORT |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 646104 |
643 River Rd is held in a trust since May 2015.
Source: Bristol County and Westport Town records, as of October 20, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 4 1 TREE CLOSE LONDON |
| Owner Type | Individual |
| Vesting | Trust |
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 |
|---|---|
| Last Sale | May 4, 2015 |
| Deed Sale | May 4, 2015 |
| Prior Sale | Aug 28, 1991 · Amount on File |
| Deed Document Number | 20158444 |
| Deed Book / Page | 11359 / 36 |
| Transfer Doc | 10148-141 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 643 River Rd was $6,235, up 8.7% from the year before.
Source: Bristol County and Westport Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Bristol County |
| County Subdivision | Westport Town |
| Unified School District | Westport School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $6,235.00 (+8.74%) | $856,400 (+11.28%) Land $725,600 Building $130,800 | $2,327,025 (-) |
| 2025 | $5,734.00 (+10.82%) | $769,600 (+14.99%) Land $643,700 Building $125,900 | $2,327,025 (+80.95%) |
| 2024 | $5,174.00 | $669,300 Land $545,500 Building $123,800 | $1,286,015 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 643 River Rd 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 June 22, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone VE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 64 policies |
| Nearby Flood Policies | 64 in force |
| Nearby Flood Claims | 49 (1978–2022) |
| Claims Outside the SFHA | 8 of 49 |
| Most Recent Claim | Dec 2022 · tidal / storm surge |
| Claims by Event |
|
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 643 River Rd is low, with 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 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 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: FCC Broadband Data Collection, based on 34 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable | 1,000 / 1,000 |
May also be available: Verizon.
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