Norwalk City property record for 70 William St, Norwalk, CT 06851
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,860 sqft · built 1952 |
| Lot Size | 0.63 acres (27,443 sqft) |
| Owner | Individual Name on File |
| Last Sale | $525,000 (Jan 2008) |
| Tax Bill | $10,383 (2024) |
| Flood Zone | Zone X (minimal risk) |
| APN | D:5 B:3B L:42 |
| Primary APN | D:5 B:3B L:42 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,860 sqft Living Area |
| Gross Area | 4,404 sqft |
| 1st Floor Area | 1,860 sqft |
| Basement Area | 1,860 sqft |
| Unfinished Basement | 1,072 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 27,443 sqft (0.63 acres) |
| Garage Type | Basement |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Gas |
| Account Number | 16243 |
|---|---|
| Street Address | 70 WILLIAM ST |
| City | NORWALK |
| State | CT |
| Zip | 06851-6040 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | A1 |
| Legal Block | 3B |
| Legal Lot Number | 42 |
| Jurisdiction | NORWALK CT |
| Township / Civil Division | NORWALK |
| Census Block Group | 2 |
| Census Block | 2008 |
| Census Tract | 43500 |
70 William St is owned and occupied by an individual who bought it in January 2008.
Source: Norwalk City records, as of June 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 70 WILLIAM ST, NORWALK, CT 06851-6040 |
| 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 | Jan 4, 2008 · Amount on File |
| Deed Sale | Jan 4, 2008 · Amount on File |
| Deed Book / Page | 6711 / 287 |
| Record Updated | Sep 20, 2026 |
Source: Norwalk City assessment roll, as of June 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision / Municipality | Norwalk City |
| Unified School District | Norwalk School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $433,620 Land $208,990 Building $224,630 | $303,534 Land $146,293 Building $157,241 | |
| 2024 | $10,383.00 (+31.36%) | ||
| 2023 | $7,904.00 (+1.91%) | $314,120 (-) Land $156,750 Building $157,370 | |
| 2022 | $7,756.00 | $314,120 Land $156,750 Building $157,370 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 70 William St in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective November 28, 2025
| 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 70 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 | NORWALK FIRST TAXING DISTRICT serves 40,256 people · EPA ID CT1030011 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Aug 2025 |
| Lead | 3 ppb (2025) 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 197 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Frontier Fiber | 7,000 / 7,000 |
| Xfinity Fiber | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: T-Mobile.
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