4 William St, Riverside, CT 06878 Property Records

Greenwich Town property record for 4 William St, Riverside, CT 06878 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details5 bd · 3.5 ba · 2,671 sqft · built 1927
Lot Size0.17 acres (7,405 sqft)
Owner2 Individual Names on File
Last Sale$552,500 (Oct 1994)
Tax Bill$17,063 (2025)
Flood ZoneZone X (minimal risk)
APN05-1700S

Property Details

APN / Parcel Number

Primary APN05-1700S
Alternative APNs
  • GREE M:05 B:1700/S
  • 426/088

Interior

Bedrooms5 Beds
Full Baths3.5 Baths
Half Baths1 Half Bath
Total Rooms9 Rooms
Stories2 Stories
Building Area2,671 sqft Living Area
AtticAttic
Attic Area442 sqft
Basement Area1,284 sqft
Unfinished Basement1,284 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1927
Effective Year BuiltEffective 1955
Architectural StyleColonial
Exterior MaterialWood Siding
Construction TypeFrame
Roof TypeGable
Roof MaterialAsphalt
Lot Area7,405 sqft (0.17 acres)
View / LotWaterfront
Garage TypeBasement
Parking Spaces4 Parking Spaces
Boat AccessBoat Access

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemHot Water
Heating FuelGas

Location & Zoning

Account Number426/088
Street Address4 WILLIAM ST
CityRIVERSIDE
StateCT
Zip06878-2118
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal Block1700/S
JurisdictionGREENWICH CT
Township / Civil DivisionGREENWICH
Census Block Group3
Census Block3002
Census Tract11100

Owner

Source: Greenwich Town records · APN 05-1700S

Assessment roll updated June 25, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on File
Mailing Address4 WILLIAM ST, GREENWICH, CT 06830-5639
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleOct 19, 1994 · Amount on Record
Deed SaleOct 19, 1994 · Amount on Record
Deed Book / Page2601 / 271
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Greenwich Town records · Assessment roll updated June 25, 2026 · Last verified July 2026

Property Jurisdictions

TypeName
StateConnecticut
County SubdivisionGreenwich Town
Unified School DistrictGreenwich School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

YearTax BillAssessed ValueAssessed Market Value
2025$17,063.00$1,380,610 (-) Land $1,097,950 Building $282,660$966,427 Land $768,565 Building $197,862
2024$17,063.00 (+6.21%)
2023$16,065.00 (+0.92%)$1,380,610 (-) Land $1,097,950 Building $282,660
2022$15,918.00$1,380,610 Land $1,097,950 Building $282,660

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, County delivery 09001C updated November 28, 2025 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Flood HazardMinimal
500-Year FloodplainNo
Special Flood Hazard AreaNo
Nearest Special Flood Hazard AreaZone AE, within 100 ft

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

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