Darien Town property record for 12A Hillside Ave, Darien, CT 06820
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.5 ba · 3,154 sqft · built 1995 |
| Lot Size | 0.5 acres (21,780 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $912,000 (Oct 2001) |
| Tax Bill | $19,339 (2025) |
| Deeds & Mortgages | Feb 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | DARI M:47 B:113A |
| Primary APN | DARI M:47 B:113A |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 3,154 sqft Living Area |
| 1st Floor Area | 1,512 sqft |
| Basement Area | 855 sqft |
| Unfinished Basement | 855 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1995 |
|---|---|
| Effective Year Built | Effective 2008 |
| Architectural Style | Colonial |
| Exterior Material | Wood Siding |
| Lot Area | 21,780 sqft (0.5 acres) |
| Garage Type | Basement |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Account Number | 10983 |
|---|---|
| Street Address | 12A HILLSIDE AVE |
| City | DARIEN |
| State | CT |
| Zip | 06820-5042 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R13 |
| Legal Block | 113A |
| Jurisdiction | DARIEN CT |
| Township / Civil Division | DARIEN |
| Census Block Group | 3 |
| Census Block | 3006 |
| Census Tract | 30400 |
12A Hillside Ave is owned by two individuals who bought it in October 2001.
Source: Darien Town records, as of June 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 12 HILLSIDE CT, AR, DARIEN, CT 06820-5016 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Oct 26, 2001 · Amount on File |
| Deed Sale | Oct 26, 2001 · Amount on File |
| Prior Sale | Dec 5, 1997 · Amount on File |
| Deed Book / Page | 1001 / 483 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DARIEN CT |
| Property Address | 12A HILLSIDE AVE, DARIEN, CT 06820-5042 |
| Transaction Type | Mortgage |
| Record Updated | Feb 24, 2022 |
| Name | Verified Name |
|---|
| Document Number | 001736-870 |
|---|---|
| Date | Feb 3, 2022 |
| Book Page | 1736/870 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Type | ARM |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2052 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 2.13% |
| Type Change Date | Feb 1, 2032 |
| Index | Other |
The 2025 property tax bill for 12A Hillside Ave was $19,339.
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 | $19,339.00 | $1,249,290 Land $624,750 Building $624,540 | $874,503 Land $437,325 Building $437,178 |
| 2024 | $19,339.00 (+20.04%) | ||
| 2023 | $16,110.00 (+2.2%) | $914,830 (-) Land $446,250 Building $468,580 | |
| 2022 | $15,763.00 | $914,830 Land $446,250 Building $468,580 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 12A Hillside 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 12A Hillside 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 | 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 | 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 299 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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