West Haven City property record for 151 William St, West Haven, CT 06516
| Property Type | Triplex |
|---|---|
| Details | 5 bd · 3 ba · 2,822 sqft · built 1920 |
| Lot Size | 0.1 acres (4,356 sqft) |
| Owner | Company Name on File |
| Last Sale | $435,000 (Aug 2023) |
| Tax Bill | $8,861 (2025) |
| Deeds & Mortgages | Nov 2023 Transfer Aug 2023 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | WHAV M:0027 B:0384 L:0000 |
| Primary APN | WHAV M:0027 B:0384 L:0000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 14 Rooms |
| Units | 3 Units |
| Stories | 3 Stories |
| Building Area | 2,822 sqft Living Area |
| Gross Area | 4,340 sqft |
| 1st Floor Area | 1,065 sqft |
| Basement Area | 1,065 sqft |
| Unfinished Basement | 1,065 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Other |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 4,356 sqft (0.1 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Account Number | 7941 |
|---|---|
| Street Address | 151 WILLIAM ST |
| City | WEST HAVEN |
| State | CT |
| Zip | 06516-6055 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Triplex |
| Local Zoning Code | R3 |
| Legal Block | 384 |
| Jurisdiction | WEST HAVEN CT |
| Township / Civil Division | WEST HAVEN |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 155000 |
151 William St, a triplex, is owned by a company that acquired it in October 2023.
Source: West Haven City records, as of September 25, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 2389 MAIN ST, 100, GLASTONBURY, CT 06033-4617 |
| Owner Type | Company |
| Vesting | Company |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Nov 1, 2023 | Quit Claim Deed, Transfer Quitclaim |
| Aug 29, 2023 | Warranty Deed, Transfer · Stand-Alone First Mortgage LIBERTY BANK |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 29, 2023 · Amount on File |
| Deed Sale | Aug 29, 2023 · Amount on File |
| Prior Sale | Nov 5, 1997 · Amount on File |
| Deed Book / Page | 1973 / 1094 |
| Last Transfer Date | Oct 31, 2023 |
| Transfer Doc | 0001978-40 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | WEST HAVEN CT |
| Recording Date | Nov 1, 2023 |
| Property Address | 151 WILLIAM ST, WEST HAVEN, CT 06516-6055 |
| Document Number | 0001978-40 |
| Book / Page | 1978 / 40 |
| Instrument Date | Oct 31, 2023 |
| Transaction Type | Transfer |
| Record Updated | Nov 16, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | WEST HAVEN CT |
| Recording Date | Aug 29, 2023 |
| Property Address | 151 WILLIAM ST, WEST HAVEN, CT 06516-6055 |
| Document Number | 01973-1094 |
| Book / Page | 1973 / 1094 |
| Instrument Date | Aug 25, 2023 |
| Transaction Type | Transfer |
| Record Updated | Nov 20, 2025 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Number | 0000019741 |
|---|---|
| Date | Aug 29, 2023 |
| Instrument | 1974/1 |
| Name | LIBERTY BANK |
|---|---|
| Type | Bank |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 151 William St was $8,861.
Source: West Haven City assessment roll, as of September 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision / Municipality | West Haven City |
| Unified School District | West Haven School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,861.00 | $256,620 Land $57,750 Building $198,870 | $366,600 Land $82,500 Building $284,100 |
| 2024 | $8,861.00 (+10.86%) | ||
| 2023 | $7,993.00 (+2%) | $171,850 (-) Land $40,040 Building $131,810 | |
| 2022 | $7,836.00 | $171,850 Land $40,040 Building $131,810 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 151 William St in Zone X, an area of minimal flood risk.
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.
The area around 151 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 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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 629 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 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures