290 William St, West Haven, CT 06516 Property Records

West Haven City property record for 290 William St, West Haven, CT 06516

Property Summary

Property Type	Duplex
Details	5 bd · 3 ba · 3,022 sqft · built 1929
Lot Size	0.14 acres (6,098 sqft)
Owner	2 Individual Names on Record
Last Sale	$268,000 (Jan 2005)
Tax Bill	$10,157 (2025)
Flood Zone	Zone X (minimal risk)
APN	`WHAV M:0027 B:0220 L:0000`

Property Details

APN / Parcel Number

Primary APN	`WHAV M:0027 B:0220 L:0000`
Alternative APN	`4135`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Units	2 Units
Stories	2 Stories
Building Area	3,022 sqft Living Area
Gross Area	5,120 sqft
1st Floor Area	1,268 sqft
Attic	Attic
Attic Area	520 sqft
Basement Area	1,268 sqft
Unfinished Basement	1,268 sqft

Exterior

Year Built	Built 1929
Effective Year Built	Effective 1929
Architectural Style	Other
Exterior Material	Stone
Roof Type	Gable
Roof Material	Asphalt
Lot Area	6,098 sqft (0.14 acres)

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Steam
Heating Fuel	Gas

Location & Zoning

Account Number	4135
Street Address	290 WILLIAM ST
City	WEST HAVEN
State	CT
Zip	06516-5920
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Local Zoning Code	R2
Legal Block	220
Jurisdiction	WEST HAVEN CT
Township / Civil Division	WEST HAVEN
Census Block Group	2
Census Block	2005
Census Tract	154900

Owner

Source: West Haven City records, as of October 20, 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 Record	2 Individual Names on Record
Mailing Address	15 ATWOOD AVE, WEST HAVEN, CT 06516-5202
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 31, 2005 · Amount on Record
Deed Sale	Jan 31, 2005 · Amount on Record
Prior Sale	Sep 13, 2001 · Amount on Record
Deed Book / Page	1388 / 544
Record Updated	Oct 29, 2026

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision / Municipality	West Haven City
Unified School District	West Haven School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$10,157.00	$294,140 (+56.32%) Land $60,270 Building $233,870	$420,200 Land $86,100 Building $334,100
2024	$10,157.00 (+16.07%)
2023	$8,751.00 (+1.99%)	$188,160 (-) Land $41,720 Building $146,440
2022	$8,580.00	$188,160 Land $41,720 Building $146,440

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

Flood

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not 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 System	REGIONAL WATER AUTHORITY serves 418,900 people · EPA ID CT0930011
Water Source	Surface water
Last State Inspection	Jun 2024
Lead	Under 1 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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

Provider	Max 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