Norwalk City property record for 4 Thames St, Norwalk, CT 06851
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 3 ba · 1,848 sqft · built 1930 |
| Lot Size | 0.11 acres (4,792 sqft) |
| Owner | Individual Name on File |
| Last Sale | $190,000 (Oct 1987) |
| Tax Bill | $9,379 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | D:1 B:102 L:25 |
| Primary APN | D:1 B:102 L:25 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,848 sqft Living Area |
| Gross Area | 2,814 sqft |
| 1st Floor Area | 956 sqft |
| Basement Area | 624 sqft |
| Unfinished Basement | 499 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1930 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 4,792 sqft (0.11 acres) |
| Deck Area | Deck Area |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Account Number | 106 |
|---|---|
| Street Address | 4 THAMES ST |
| City | NORWALK |
| State | CT |
| Zip | 06851-2710 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | C |
| Legal Block | 102 |
| Legal Lot Number | 25 |
| Jurisdiction | NORWALK CT |
| Township / Civil Division | NORWALK |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 43400 |
4 Thames St, a duplex, is owned by an individual who bought it in October 1987.
Source: Norwalk City records, as of October 21, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 10 WILSON RD, EASTON, CT 06612-1623 |
| 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 | Oct 2, 1987 · Amount on File |
| Deed Sale | Oct 2, 1987 · Amount on File |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 4 Thames St was $9,379, up 1.4% from the year before.
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 |
|---|---|---|---|
| 2026 | $9,379.00 (+1.38%) | $387,080 (-) Land $133,020 Building $254,060 | $692,237 (+155.48%) |
| 2025 | $9,251.00 | $387,080 Land $133,020 Building $254,060 | $270,956 Land $93,114 Building $177,842 |
| 2024 | $9,251.00 (+21.32%) | ||
| 2023 | $7,625.00 (+2.2%) | $303,970 (-) Land $98,710 Building $205,260 | |
| 2022 | $7,461.00 | $303,970 Land $98,710 Building $205,260 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4 Thames 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 4 Thames 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 443 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 · Cable in parts of the area | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures