Groton Town property record for 402 Thames St, Groton, CT 06340
| Property Type | Office Building |
|---|---|
| Details | 2 ba · 17,142 sqft · built 1985 |
| Lot Size | 0.6 acres (26,136 sqft) |
| Owner | Company Name on File |
| Tax Bill | $26,656 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | GROT M:168806393587 |
| Primary APN | GROT M:168806393587 |
|---|---|
| Alternative APNs |
|
| Full Baths | 2 Baths |
|---|---|
| Units | 6 Units |
| Stories | 3 Stories |
| Building Area | 17,142 sqft Gross Area |
| Basement Area | 870 sqft |
| Unfinished Basement | 870 sqft |
| Elevator | Elevator |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Other |
| Exterior Material | Wood Siding |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 26,136 sqft (0.6 acres) |
| Deck Area | Deck Area |
| Loading Dock | Loading Dock |
| Boat Access | Boat Access |
| Heating System | Forced Air with A/C |
|---|
| Account Number | 168806393587 |
|---|---|
| Street Address | 402 THAMES ST |
| City | GROTON |
| State | CT |
| Zip | 06340 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Local Zoning Code | WBR |
| Jurisdiction | GROTON CT |
| Township / Civil Division | GROTON |
| Census Block Group | 2 |
| Census Block | 2019 |
| Census Tract | 702400 |
402 Thames St, a commercial property, is owned by a company.
Source: Groton Town records, as of June 25, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 404 THAMES ST, GROTON, CT 06340-3959 |
| Owner Type | Company |
| Vesting | Company |
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 |
|---|---|
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 402 Thames St was $26,656.
Source: Groton Town assessment roll, as of June 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision | Groton Town |
| Unified School District | Groton School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $26,656.00 | $922,040 Land $559,587 Building $362,453 | $645,428 Land $391,711 Building $253,717 |
| 2024 | $26,656.00 (+12.05%) | ||
| 2023 | $23,789.00 (+3.41%) | $922,040 (-) Land $404,250 Building $517,790 | |
| 2022 | $23,005.00 | $922,040 Land $404,250 Building $517,790 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 402 Thames St in Zone X, an area of minimal 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 minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone A, 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.
Wildfire risk around 402 Thames St is low, with a 0.01% annual chance of wildfire.
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 | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 | AQUARION-MYSTIC private · serves 10,788 people · EPA ID CT1370011 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Nov 2025 |
| 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 129 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 |
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