Groton Town property record for 343 Thames St, Groton, CT 06340
| Property Type | Government / Public Use |
|---|---|
| Lot Size | 0.517 acres (22,521 sqft) |
| Owner | Company Name on Record |
| Last Sale | $95,000 (Mar 2003) |
| Flood Zone | Zone VE (high risk) |
| APN | 168918300260 E |
| Primary APN | 168918300260 E |
|---|---|
| Alternative APNs |
|
| Lot Area | 22,521 sqft (0.517 acres) |
|---|
| Account Number | 168918300260 E |
|---|---|
| Street Address | 343 THAMES ST |
| City | GROTON |
| State | CT |
| Zip | 06340 |
| Property Category | Public Works |
| Property Type | Public Works > Government / Public Use |
| Local Zoning Code | WBR |
| Legal Lot Number | E |
| Jurisdiction | GROTON CT |
| Township / Civil Division | GROTON |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 702400 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Listed Area | Within Fort Griswold listed 1970 · 2 contributing resources · NRIS 70000694 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Groton Town records, as of June 25, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 295 MERIDIAN ST, GROTON, CT 06340-4012 |
| Owner Type | Company |
| Vesting | Government |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 24, 2003 · Amount on Record |
| Deed Sale | Mar 24, 2003 · Amount on Record |
| Deed Book / Page | 809 / 872 |
| Record Updated | Sep 20, 2026 |
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 | Assessed Value | Assessed Market Value |
|---|---|---|
| 2025 | $376,670 (-) Land $365,792 Building $10,878 | $263,669 Land $256,054 Building $7,615 |
| 2023 | $376,670 (-) Land $361,130 Building $15,540 | |
| 2022 | $376,670 Land $361,130 Building $15,540 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective September 20, 2026
| FEMA Flood Zone | Zone VE high risk · coastal, wave action |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 14.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 99.1% of the US · lower than 99% of Connecticut |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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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