Darien Town property record for 370 Mansfield Ave, Darien, CT 06820
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4 ba · 6,626 sqft · built 1905 |
| Lot Size | 1.7 acres (74,139 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $2,400,000 (Dec 2019) |
| Tax Bill | $31,909 (2025) |
| Deeds & Mortgages | Dec 2019 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | DARI M:05 B:37C |
| Primary APN | DARI M:05 B:37C |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 6,626 sqft Living Area |
| 1st Floor Area | 3,810 sqft |
| Basement Area | 1,804 sqft |
| Unfinished Basement | 1,804 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1905 |
|---|---|
| Effective Year Built | Effective 2012 |
| Architectural Style | Contemporary |
| Exterior Material | Brick |
| Lot Area | 74,139 sqft (1.7 acres) |
| Garage Type | Attached |
| Parking Spaces | 1 Parking Space |
| Deck Area | Deck Area |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Account Number | 6348 |
|---|---|
| Street Address | 370 MANSFIELD AVE |
| City | DARIEN |
| State | CT |
| Zip | 06820-2112 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2 |
| Legal Block | 37C |
| Jurisdiction | DARIEN CT |
| Township / Civil Division | DARIEN |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 30100 |
370 Mansfield Ave is owner-occupied and held in a trust since December 2019.
Source: Darien Town records, as of June 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 370 MANSFIELD AVE, DARIEN, CT 06820-2112 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust |
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 | Dec 18, 2019 · Amount on File |
| Deed Sale | Dec 18, 2019 · Amount on File |
| Prior Sale | Feb 16, 2012 · Amount on File |
| Deed Book / Page | 1668 / 107 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DARIEN CT |
| Recording Date | Dec 18, 2019 |
| Property Address | 370 MANSFIELD AVE, DARIEN, CT 06820-2112 |
| Document Number | 1668-107 |
| Book / Page | 1668 / 107 |
| Instrument Date | Dec 16, 2019 |
| Transaction Type | Transfer |
| Record Updated | May 21, 2021 |
| 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 |
|---|
| Document Number | 1668109 |
|---|---|
| Date | Dec 18, 2019 |
| Instrument | 1668/109 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount on Record |
The 2025 property tax bill for 370 Mansfield Ave was $31,909.
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 | $31,909.00 | $2,061,290 Land $895,370 Building $1,165,920 | $1,442,903 Land $626,759 Building $816,144 |
| 2024 | $31,909.00 (-3.22%) | ||
| 2023 | $32,970.00 (+2.21%) | $1,872,220 (-) Land $746,130 Building $1,126,090 | |
| 2022 | $32,258.00 | $1,872,220 Land $746,130 Building $1,126,090 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 370 Mansfield 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 370 Mansfield 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 | Direct burnable vegetation |
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 51 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 |
May also be available: AT&T.
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