New Haven City property record for 53 William St, New Haven, CT 06511
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,092 sqft · built 1900 |
| Lot Size | 0.31 acres (13,504 sqft) |
| Owner | Individual Name on File |
| Last Sale | $72,500 (Nov 2009) |
| Tax Bill | $13,998 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 209 0590 01000 |
| Primary APN | 209 0590 01000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,092 sqft Living Area |
| Gross Area | 1,870 sqft |
| Basement Area | 702 sqft |
| Unfinished Basement | 702 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 13,504 sqft (0.31 acres) |
| Total Buildings | 2 Buildings |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Oil |
| Account Number | 209 0590 01000 |
|---|---|
| Street Address | 53 WILLIAM ST |
| City | NEW HAVEN |
| State | CT |
| Zip | 06511-4940 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RM2 |
| Legal Block | 590 |
| Legal Lot Number | 1000 |
| Jurisdiction | NEW HAVEN CT |
| Township / Civil Division | NEW HAVEN |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 142100 |
53 William St is owned and occupied by an individual who bought it in November 2009.
Source: New Haven City records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 53 WILLIAM ST, NEW HAVEN, CT 06511-4940 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Nov 5, 2009 · Amount on File |
| Deed Sale | Nov 5, 2009 · Amount on File |
| Prior Sale | Nov 3, 2003 · Amount on File |
| Deed Book / Page | 6603 / 109 |
| Transfer Doc | 4931000296 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 53 William St was $13,998, up 1.4% from the year before.
Source: New Haven City assessment roll, as of September 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision / Municipality | New Haven City |
| Unified School District | New Haven School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $13,998.00 (+1.43%) | $350,280 (-) Land $141,540 Building $208,740 | $412,818 (+68.36%) |
| 2025 | $13,801.00 | $350,280 Land $141,540 Building $208,740 | $245,196 Land $99,078 Building $146,118 |
| 2024 | $13,801.00 (+5.92%) | ||
| 2023 | $13,030.00 (-6.42%) | $350,280 (-) Land $141,540 Building $208,740 | |
| 2022 | $13,924.00 | $350,280 Land $141,540 Building $208,740 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 53 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 53 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 346 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 |
May also be available: T-Mobile.
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