Groton Town property record for 4 Island Ave, Groton, CT 06340
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 4,491 sqft · built 1983 |
| Lot Size | 0.258 acres (11,238 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,855,000 (Oct 2025) |
| Tax Bill | $23,740 (2025) |
| Deeds & Mortgages | Oct 2025 Sale & Mortgage Jun 2017 Sale & Mortgage |
| Flood Zone | Zone VE (high risk) |
| APN | GROT M:260710276103 |
| Primary APN | GROT M:260710276103 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 4,491 sqft Living Area |
| Basement Area | 278 sqft |
| Unfinished Basement | 278 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Central Vacuum | Central Vacuum |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Contemporary |
| Exterior Material | Wood Siding |
| Roof Material | Asphalt |
| Lot Area | 11,238 sqft (0.258 acres) |
| Garage Type | Attached |
| Deck Area | Deck Area |
| Loading Dock | Loading Dock |
| Cooling System | HVAC |
|---|---|
| Heating System | Hot Water |
| Heating Fuel | Oil |
| Account Number | 260710276103 |
|---|---|
| Street Address | 4 ISLAND AVE |
| City | GROTON |
| State | CT |
| Zip | 06340-8817 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R |
| Jurisdiction | GROTON CT |
| Township / Civil Division | GROTON |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 702900 |
4 Island Ave is owned and occupied by two individuals who bought it in October 2025.
Source: Groton Town records, as of June 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4 ISLAND AVE, GROTON, CT 06340-8817 |
| 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 |
|---|---|
| Oct 23, 2025 | Warranty Deed, Transfer CHELSEA GROTON BANK |
| Jun 22, 2017 | Warranty Deed, Transfer CHELSEA GROTON BANK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 23, 2025 · Amount on File |
| Deed Sale | Oct 23, 2025 · Amount on File |
| Prior Sale | Jun 22, 2017 · Amount on File |
| Deed Book / Page | 1328 / 661 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | GROTON CT |
| Recording Date | Oct 23, 2025 |
| Property Address | 4 ISLAND AVE, GROTON, CT 06340-8817 |
| Document Number | 001328-661 |
| Book / Page | 1328 / 661 |
| Instrument Date | Oct 22, 2025 |
| Transaction Type | Transfer |
| Record Updated | Mar 31, 2026 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 4 ISLAND AVE, GROTON, CT 06340-8817 |
| Document Number | 5324720012 |
|---|---|
| Date | Oct 23, 2025 |
| Instrument | 5324720012 |
| Name | CHELSEA GROTON BANK |
|---|---|
| Type | Bank |
| Amount | Amount on Record |
|---|---|
| Term | 301 Months |
| Due | Nov 1, 2050 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | GROTON CT |
| Recording Date | Jun 22, 2017 |
| Property Address | 4 ISLAND AVE, GROTON, CT 06340-8817 |
| Document Number | 1185-184 |
| Book / Page | 1185 / 184 |
| Instrument | 4828670002 |
| Transaction Type | Transfer |
| Record Updated | May 21, 2021 |
| Amount | Amount on Record |
|---|---|
| Downpayment | Downpayment on Record |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $154.10 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Document Number | 11850186 |
|---|---|
| Date | Jun 22, 2017 |
| Instrument | 01185/0186 |
| Name | CHELSEA GROTON BANK |
|---|
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | Jun 22, 2047 |
| Rate | 3.38% |
|---|---|
| Max Rate At Change | 70.1% |
| Max Rate | 2.75% |
The 2025 property tax bill for 4 Island Ave was $23,740.
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 | $23,740.00 | $842,730 Land $486,108 Building $356,622 | $589,911 Land $340,276 Building $249,635 |
| 2024 | $23,740.00 (+10.52%) | ||
| 2023 | $21,481.00 (+1.92%) | $842,730 (-) Land $333,270 Building $509,460 | |
| 2022 | $21,077.00 | $842,730 Land $333,270 Building $509,460 |
Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
FEMA maps place 4 Island Ave in Zone VE, a high-risk coastal flood area; flood insurance is required for federally backed loans.
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.
The area around 4 Island Ave 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 35 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 |
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