Darien Town property record for 309 West Ave, Darien, CT 06820
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,344 sqft · built 1947 |
| Lot Size | 0.17 acres (7,405 sqft) |
| Owner | Individual Name on File |
| Last Sale | $595,000 (Oct 2004) |
| Tax Bill | $7,970 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | DARI M:48 B:30 |
| Primary APN | DARI M:48 B:30 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Half Baths | 3 Half Baths |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,344 sqft Living Area |
| 1st Floor Area | 768 sqft |
| Basement Area | 416 sqft |
| Unfinished Basement | 416 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1947 |
|---|---|
| Effective Year Built | Effective 1947 |
| Architectural Style | Cape Cod |
| Exterior Material | Other |
| Lot Area | 7,405 sqft (0.17 acres) |
| Garage Type | Basement |
| Parking Spaces | 1 Parking Space |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 6458 |
|---|---|
| Street Address | 309 WEST AVE |
| City | DARIEN |
| State | CT |
| Zip | 06820-4004 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R15 |
| Legal Block | 30 |
| Jurisdiction | DARIEN CT |
| Township / Civil Division | DARIEN |
| Census Block Group | 1 |
| Census Block | 1027 |
| Census Tract | 30500 |
309 West Ave is owned and occupied by an individual who bought it in October 2004.
Source: Darien Town records, as of October 9, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 309 WEST AVE, DARIEN, CT 06820-4004 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 |
|---|---|
| Last Sale | Oct 19, 2004 · Amount on File |
| Deed Sale | Oct 19, 2004 · Amount on File |
| Prior Sale | Aug 1, 1991 · Amount on File |
| Deed Book / Page | 1197 / 612 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 309 West Ave was $7,970.
Source: Darien Town assessment roll, as of June 25, 2026
| Type | Name |
|---|---|
| State | Connecticut |
| County Subdivision | Darien Town |
| Unified School District | Darien School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $7,970.00 | $514,850 Land $386,400 Building $128,450 | $360,395 Land $270,480 Building $89,915 |
| 2024 | $7,970.00 (+3.02%) | ||
| 2023 | $7,736.00 (+2.21%) | $439,320 (-) Land $367,990 Building $71,330 | |
| 2022 | $7,569.00 | $439,320 Land $367,990 Building $71,330 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 309 West Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective November 28, 2025
| 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.
Wildfire risk around 309 West Ave 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-EASTERN FAIRFIELD COUNTY private · serves 351,756 people · EPA ID CT0150011 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 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 | 24 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 333 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Optimum Fiber · Cable | 8,000 / 8,000 |
| Frontier Fiber | 7,000 / 7,000 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile.
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