31 William St, North Haven, CT 06473 Property Records

North Haven Town property record for 31 William St, North Haven, CT 06473

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,232 sqft · built 1957
Lot Size0.25 acres (10,890 sqft)
Owner2 Individual Names on File
Last Sale$171,000 (Oct 2014)
Tax Bill$6,285 (2026)
Deeds & MortgagesAug 2021 Refinance
Flood ZoneZone X (minimal risk)
APNNRHV M:053 L:082

Property Details

APN / Parcel Number

Primary APNNRHV M:053 L:082
Alternative APN
  • 120768

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms5 Rooms
Stories1 Story
Building Area1,232 sqft Living Area
Gross Area3,210 sqft
1st Floor Area1,232 sqft
Basement Area1,232 sqft
Unfinished Basement1,232 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1957
Effective Year BuiltEffective 1982
Architectural StyleRanch
Exterior MaterialWood Siding
Construction TypeFrame
Roof TypeGable
Roof MaterialWood Shingle
Lot Area10,890 sqft (0.25 acres)
Garage TypeAttached
Parking Spaces1 Parking Space
Deck AreaDeck Area

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelGas

Location & Zoning

Account Number120768
Street Address31 WILLIAM ST
CityNORTH HAVEN
StateCT
Zip06473-2642
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR12
Legal Lot Number82
JurisdictionNORTH HAVEN CT
Township / Civil DivisionNORTH HAVEN
Census Block Group3
Census Block3022
Census Tract167201

Owner

31 William St is owned and occupied by two individuals who bought it in October 2014.

Source: North Haven Town records, as of October 20, 2026

Owner of Record2 Individual Names on File
Mailing Address31 WILLIAM ST, NORTH HAVEN, CT 06473-2642
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

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 SaleOct 14, 2014 · Amount on File
Deed SaleOct 14, 2014 · Amount on File
Deed Book / Page911 / 104
Record UpdatedOct 29, 2026

August 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionNORTH HAVEN CT
Property Address31 WILLIAM ST, NORTH HAVEN, CT 06473-2642
Transaction TypeMortgage
Record UpdatedAug 19, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number1035-358
DateAug 3, 2021
Book Page1035/358
Instrument202100003287
Lender
NameLOANDEPOT.COM LLC
TypeMortgage Company
Agreement
TypeStand-Alone Refinance
AmountAmount on Record
Term181 Months
DueSep 1, 2036

Tax Assessment & Valuation

The 2026 property tax bill for 31 William St was $6,285, up 3.7% from the year before.

Source: North Haven Town assessment roll, as of September 25, 2026

Property Jurisdictions

TypeName
StateConnecticut
County SubdivisionNorth Haven Town
Unified School DistrictNorth Haven School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$6,285.00 (+3.73%)$205,660 (-) Land $70,000 Building $135,660$347,003 (+141.04%)
2025$6,059.00$205,660 Land $70,000 Building $135,660$143,962 Land $49,000 Building $94,962
2024$6,059.00 (+18.57%)
2023$5,110.00$156,510 Land $70,000 Building $86,510

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

Flood

FEMA maps place 31 William St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective January 25, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

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

Wildfire

The area around 31 William 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 RiskNot rated
no burnable land within ember reach

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

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemREGIONAL WATER AUTHORITY
serves 418,900 people · EPA ID CT0930011
Water SourceSurface water
Last State InspectionJun 2024
LeadUnder 1 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 171 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Frontier
Fiber
7,000 / 7,000
GoNetspeed
Fiber
2,000 / 2,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: AT&T.

Nearby Properties on William St

Nearby Streets

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