643 River Rd, Westport, MA 02790 Property Records

Bristol County and Westport Town property record for 643 River Rd, Westport, MA 02790

Property Summary

Property TypeSingle Family Home
Details3 bd · 1.5 ba · 1,139 sqft · built 1920
Lot Size1.8 acres (78,408 sqft)
Owner2 Trust Names on File
Tax Bill$6,235 (2026)
Flood ZoneZone X (minimal risk)
APNWPOR M:89 L:126

Property Details

APN / Parcel Number

Primary APNWPOR M:89 L:126
Alternative APNs
  • M:0890 B:0000 L:0126
  • 6842

Interior

Bedrooms3 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms5 Rooms
Stories2 Stories
Building Area1,139 sqft Living Area
Gross Area1,425 sqft
1st Floor Area1,139 sqft
Basement Area1,138 sqft
Unfinished Basement1,138 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1920
Effective Year BuiltEffective 1976
Architectural StyleRanch
Exterior MaterialWood Siding
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area78,408 sqft (1.8 acres)

Location & Zoning

Account Number6842
Street Address643 RIVER RD
CityWESTPORT
StateMA
Zip02790-5157
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal Lot Number126
JurisdictionWESTPORT MA
Township / Civil DivisionWESTPORT
Census Block Group2
Census Block2019
Census Tract646104

Owner

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 Record2 Trust Names on File
Mailing Address4 1 TREE CLOSE LONDON
Owner TypeIndividual
VestingTrust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 4, 2015
Deed SaleMay 4, 2015
Prior SaleAug 28, 1991 · Amount on File
Deed Document Number20158444
Deed Book / Page11359 / 36
Transfer Doc10148-141
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateMassachusetts
CountyBristol County
County SubdivisionWestport Town
Unified School DistrictWestport School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed 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.

Flood

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 ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone VE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on File
median of 64 policies
Nearby Flood Policies64 in force
Nearby Flood Claims49 (1978–2022)
Claims Outside the SFHA8 of 49
Most Recent ClaimDec 2022 · tidal / storm surge
Claims by Event
  • Hurricane Sandy, Oct 2012 · 5 claims
  • Hurricane Bob, Aug 1991 · 19 claims
  • Hurricane Gloria, Sep 1985 · 3 claims

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

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 RiskLow
lower than 80% of the US · above 57% of Massachusetts
Wildfire Likelihood0.01% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Internet Providers

Source: FCC Broadband Data Collection, based on 34 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Spectrum
Cable
1,000 / 1,000

May also be available: Verizon.

Nearby Properties on River Rd

Nearby Streets

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