Ansonia City property record for 6 William St, Ansonia, CT 06401
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 3 ba · 3,266 sqft · built 1904 |
| Lot Size | 0.12 acres (5,227 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $6,859 (2026) |
| Deeds & Mortgages | Feb 2018 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 11560 |
| Primary APN | 11560 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 11 Rooms |
| Units | 2 Units |
| Stories | 3 Stories |
| Building Area | 3,266 sqft Living Area |
| Gross Area | 5,310 sqft |
| 1st Floor Area | 1,239 sqft |
| Basement Area | 1,239 sqft |
| Unfinished Basement | 1,239 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1904 |
|---|---|
| Effective Year Built | Effective 1904 |
| Architectural Style | Other |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 5,227 sqft (0.12 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Septic |
| Account Number | 11560 |
|---|---|
| Street Address | 6 WILLIAM ST |
| City | ANSONIA |
| State | CT |
| Zip | 06401-1918 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | B |
| Legal Block | 53 |
| Jurisdiction | ANSONIA CT |
| Township / Civil Division | ANSONIA |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 125200 |
Source: Ansonia City records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 1 VELMS DR, ANSONIA, CT 06401-2658 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ANSONIA CT |
| Recording Date | Feb 8, 2018 |
| Property Address | 6 WILLIAM ST, ANSONIA, CT 06401-1918 |
| Document Number | 558-165 |
| Book / Page | 000558 / 000165 |
| Instrument Date | Feb 6, 2018 |
| Instrument | 165367 |
| Transaction Type | Transfer |
| Record Updated | Feb 27, 2018 |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | 6 WILLIAM ST ANSONIA CT 064011918, ANSONIA, CT 06401-1918 |
Source: Ansonia City assessment roll, as of September 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision / Municipality | Ansonia City |
| Unified School District | Ansonia School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $6,859.00 (+3.19%) | $232,820 (-) Land $37,380 Building $195,440 | $441,139 (+170.68%) |
| 2025 | $6,647.00 | $232,820 (-) Land $37,380 Building $195,440 | $162,974 Land $26,166 Building $136,808 |
| 2024 | $6,647.00 (+8.81%) | ||
| 2023 | $6,109.00 (+10.17%) | $232,820 (+58.7%) Land $37,380 Building $195,440 | |
| 2022 | $5,545.00 | $146,700 Land $33,000 Building $113,700 |
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 |
|---|---|
| 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 | Low lower than 80% of the US · above 55% of Connecticut |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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 |
| GoNetspeed Fiber | 2,000 / 2,000 |
| Xfinity Cable | 2,000 / 250 |
May also be available: Verizon.
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