Waterbury City property record for 30 William St, Waterbury, CT 06702
| Property Type | Duplex |
|---|---|
| Details | 6 bd · 2 ba · 2,074 sqft · built 1900 |
| Lot Size | 0.13 acres (5,663 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $30,000 (Dec 2008) |
| Tax Bill | $3,641 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 29600910054 |
| Primary APN | 29600910054 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,074 sqft Living Area |
| Basement Area | 1,037 sqft |
| Unfinished Basement | 1,037 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1945 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Lot Area | 5,663 sqft (0.13 acres) |
| Garage Type | Detached |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Account Number | 29600910054 |
|---|---|
| Street Address | 30 WILLIAM ST |
| City | WATERBURY |
| State | CT |
| Zip | 06702-1725 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | RM |
| Legal Block | 91 |
| Legal Lot Number | 54 |
| Jurisdiction | WATERBURY CT |
| Township / Civil Division | WATERBURY |
| Census Block Group | 2 |
| Census Block | 2010 |
| Census Tract | 350400 |
30 William St, a duplex, is owned by two individuals who bought it in December 2008.
Source: Waterbury City records, as of October 20, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 26 COOLIDGE ST, HARTFORD, CT 06106-3753 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Dec 11, 2008 · Amount on File |
| Deed Sale | Dec 11, 2008 · Amount on File |
| Prior Sale | Oct 27, 2008 · Amount on File |
| Deed Book / Page | 6465 / 232 |
| Transfer Doc | 007847-341 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 30 William St was $3,641.
Source: Waterbury City assessment roll, as of September 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision / Municipality | Waterbury City |
| Unified School District | Waterbury School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $3,641.00 | $84,000 (-) Land $12,320 Building $71,680 | $312,147 (+430.86%) |
| 2025 | $84,000 Land $12,320 Building $71,680 | $58,800 Land $8,624 Building $50,176 | |
| 2024 | $3,778.00 (-17%) | ||
| 2023 | $4,552.00 | $84,000 Land $12,320 Building $71,680 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 30 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 30 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 | WATERBURY WATER DEPARTMENT serves 107,271 people · EPA ID CT1510011 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Apr 2025 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 2 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 688 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 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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