West Haven City property record for 101 William St, West Haven, CT 06516
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 2 ba · 2,184 sqft · built 1965 |
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $61,000 (Oct 1996) |
| Tax Bill | $8,721 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | WHAV M:0027 B:0502 L:0000 |
| Primary APN | WHAV M:0027 B:0502 L:0000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 2,184 sqft Living Area |
| Gross Area | 3,696 sqft |
| 1st Floor Area | 1,092 sqft |
| Basement Area | 1,092 sqft |
| Unfinished Basement | 572 sqft |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Other |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 7,405 sqft (0.17 acres) |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Gas |
| Account Number | 4519 |
|---|---|
| Street Address | 101 WILLIAM ST |
| City | WEST HAVEN |
| State | CT |
| Zip | 06516-6037 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R3 |
| Legal Block | 502 |
| Jurisdiction | WEST HAVEN CT |
| Township / Civil Division | WEST HAVEN |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 155000 |
Source: West Haven City records, as of September 25, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 101 WILLIAM ST, WEST HAVEN, CT 06516-6037 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 8, 1996 · Amount on Record |
| Deed Sale | Oct 8, 1996 · Amount on Record |
| Prior Sale | Sep 23, 1996 · Amount on Record |
| Deed Book / Page | 1020 / 722 |
| Record Updated | Oct 29, 2026 |
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 | $8,721.00 | $252,560 (+51.72%) Land $62,230 Building $190,330 | $360,800 Land $88,900 Building $271,900 |
| 2024 | $8,721.00 (+12.65%) | ||
| 2023 | $7,742.00 (+1.99%) | $166,460 (-) Land $43,050 Building $123,410 | |
| 2022 | $7,591.00 | $166,460 Land $43,050 Building $123,410 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective January 25, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
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 |
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