Darien Town property record for 51 Mansfield Ave, Darien, CT 06820
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,798 sqft · built 1940 |
| Lot Size | 0.57 acres (24,829 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $495,000 (Aug 1999) |
| Tax Bill | $10,214 (2025) |
| Deeds & Mortgages | Dec 2025 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | DARI M:17 B:15 |
| Primary APN | DARI M:17 B:15 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,798 sqft Living Area |
| 1st Floor Area | 1,040 sqft |
| Basement Area | 200 sqft |
| Unfinished Basement | 200 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Architectural Style | Cape Cod |
| Exterior Material | Wood Siding |
| Lot Area | 24,829 sqft (0.57 acres) |
| Garage Type | Basement |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | Deck Area |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Account Number | 8029 |
|---|---|
| Street Address | 51 MANSFIELD AVE |
| City | DARIEN |
| State | CT |
| Zip | 06820-3517 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R13 |
| Legal Block | 15 |
| Jurisdiction | DARIEN CT |
| Township / Civil Division | DARIEN |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 30200 |
51 Mansfield Ave is owner-occupied and held in a trust since December 2025.
Source: Darien Town records, as of June 25, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 51 MANSFIELD AVE, DARIEN, CT 06820-3517 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust, Revocable 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 | Aug 19, 1999 · Amount on File |
| Deed Sale | Aug 19, 1999 · Amount on File |
| Prior Sale | Aug 3, 1998 · Amount on File |
| Deed Book / Page | 919 / 540 |
| Last Transfer Date | Dec 16, 2025 |
| Transfer Doc | 001782-259 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | DARIEN CT |
| Recording Date | Dec 22, 2025 |
| Property Address | 51 MANSFIELD AVE, DARIEN, CT 06820-3517 |
| Document Number | 001782-259 |
| Book / Page | 1782 / 259 |
| Instrument Date | Dec 16, 2025 |
| Instrument | 2579 |
| Transaction Type | Transfer |
| Record Updated | Jan 14, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 51 MANSFIELD AVE, DARIEN, CT 06820-3517 |
The 2025 property tax bill for 51 Mansfield Ave was $10,214.
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 | $10,214.00 | $659,820 Land $544,180 Building $115,640 | $461,874 Land $380,926 Building $80,948 |
| 2024 | $10,214.00 (+17.86%) | ||
| 2023 | $8,666.00 (+2.21%) | $492,100 (-) Land $388,710 Building $103,390 | |
| 2022 | $8,479.00 | $492,100 Land $388,710 Building $103,390 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 51 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 51 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 | 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 291 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
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