Groton Town property record for 25 Williams St, Groton, CT 06340
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,536 sqft · built 1963 |
| Lot Size | 0.519 acres (22,621 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $320,000 (Jul 2010) |
| Tax Bill | $8,701 (2025) |
| Deeds & Mortgages | May 2025 Line of Credit May 2020 Refinance |
| Flood Zone | Zone X (moderate risk) |
| APN | GROT M:260820811480 |
| Primary APN | GROT M:260820811480 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,536 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1963 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 22,621 sqft (0.519 acres) |
| Deck Area | Deck Area |
| Loading Dock | Loading Dock |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Electric |
| Account Number | 260820811480 |
|---|---|
| Street Address | 25 WILLIAMS ST |
| City | GROTON |
| State | CT |
| Zip | 06340-5533 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R-20 |
| Jurisdiction | GROTON CT |
| Township / Civil Division | GROTON |
| Census Block Group | 2 |
| Census Block | 2016 |
| Census Tract | 702900 |
25 Williams St is owned and occupied by two individuals who bought it in July 2010.
Source: Groton Town records, as of June 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 25 WILLIAMS ST, GROTON, CT 06340-5533 |
| Occupancy | Owner Occupied |
| 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.
| Date | Document |
|---|---|
| May 2, 2025 | Deed of Trust, Mortgage · Line of Credit CHELSEA GROTON BANK |
| May 18, 2020 | Deed of Trust, Mortgage · Stand-Alone Refinance CHELSEA GROTON BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 16, 2010 · Amount on File |
| Deed Sale | Jul 16, 2010 · Amount on File |
| Deed Book / Page | 1056 / 347 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GROTON CT |
| Property Address | 25 WILLIAMS ST, GROTON, CT 06340-5533 |
| Transaction Type | Mortgage |
| Record Updated | Nov 25, 2025 |
| Name | Verified Name |
|---|
| Document Number | 001320-975 |
|---|---|
| Date | May 2, 2025 |
| Book Page | 1320/975 |
| Name | CHELSEA GROTON BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Jun 1, 2055 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | GROTON CT |
| Property Address | 25 WILLIAMS ST, GROTON, CT 06340-5533 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 1231-224 |
|---|---|
| Date | May 18, 2020 |
| Book Page | 1231/224 |
| Instrument | 5002550010 |
| Name | CHELSEA GROTON BANK |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount on Record |
| Term | 241 Months |
| Due | Jun 1, 2040 |
The 2025 property tax bill for 25 Williams St was $8,701.
Source: Groton Town assessment roll, as of June 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision | Groton Town |
| Municipality | Groton City |
| Unified School District | Groton School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $8,701.00 | $329,840 Land $161,917 Building $167,923 | $230,888 Land $113,342 Building $117,546 |
| 2024 | $8,701.00 (+11.72%) | ||
| 2023 | $7,788.00 (+2.08%) | $329,840 (-) Land $89,950 Building $239,890 | |
| 2022 | $7,629.00 | $329,840 Land $89,950 Building $239,890 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 25 Williams St in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective September 20, 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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 25 Williams 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 | GROTON UTILITIES serves 30,200 people · EPA ID CT0590011 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 2024 |
| Lead | 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 85 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 |
| Breezeline Cable | 1,000 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
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