18 Walnut St, West Haven, CT 06516 Property Records

West Haven City property record for 18 Walnut St, West Haven, CT 06516

Property Summary

Property TypeTriplex
Details5 bd · 3 ba · 3,180 sqft · built 1910
Lot Size0.14 acres (6,098 sqft)
Owner2 Individual Names on File
Last Sale$56,000 (Apr 1996)
Tax Bill$10,157 (2025)
Flood ZoneZone X (minimal risk)
APN15681

Property Details

APN / Parcel Number

Primary APN15681
Alternative APN
  • WHAV M:0027 B:0087 L:0000

Interior

Bedrooms5 Beds
Full Baths3 Baths
Total Rooms13 Rooms
Units3 Units
Stories3 Stories
Building Area3,180 sqft Living Area
Gross Area4,984 sqft
1st Floor Area1,200 sqft
Basement Area1,200 sqft
Unfinished Basement1,200 sqft

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1910
Architectural StyleOther
Exterior MaterialAluminum/Vinyl
Roof TypeGable
Roof MaterialAsphalt
Lot Area6,098 sqft (0.14 acres)

Utilities, Heating & Cooling

Cooling SystemHVAC
Heating SystemForced Air with A/C
Heating FuelOil

Location & Zoning

Account Number15681
Street Address18 WALNUT ST
CityWEST HAVEN
StateCT
Zip06516-5325
Property CategoryResidential
Property TypeResidential > Multi-Unit > Triplex
Local Zoning CodeR2
Legal Block87
JurisdictionWEST HAVEN CT
Township / Civil DivisionWEST HAVEN
Census Block Group2
Census Block2002
Census Tract154900

Owner

18 Walnut St, a triplex, is owned by two individuals who bought it in April 1996.

Source: West Haven City records, as of September 25, 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 Record2 Individual Names on File
Mailing Address37 FOREST GLEN DR, WOODBRIDGE, CT 06525-1420
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 9, 1996 · Amount on File
Deed SaleApr 9, 1996 · Amount on File
Deed Book / Page1009 / 230
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 18 Walnut St was $10,157.

Source: West Haven City assessment roll, as of September 25, 2026

Property Jurisdictions

TypeName
StateConnecticut
County Subdivision / MunicipalityWest Haven City
Unified School DistrictWest Haven School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$10,157.00$294,140 Land $60,340 Building $233,800$420,200 Land $86,200 Building $334,000
2024$10,157.00 (+9.66%)
2023$9,262.00 (+1.99%)$199,150 (-) Land $41,790 Building $157,360
2022$9,081.00$199,150 Land $41,790 Building $157,360

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

Flood

FEMA maps place 18 Walnut 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

Wildfire risk around 18 Walnut 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 RiskLow
lower than 99.1% of the US · lower than 99% of Connecticut
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 575 locations within half a mile, as of December 31, 2025

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

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