Darien Town property record for 451 Mansfield Ave, Darien, CT 06820
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 6 ba · 7,472 sqft · built 1999 |
| Lot Size | 2.69 acres (117,525 sqft) |
| Owner | Company Name on Record |
| Last Sale | $3,380,000 (Apr 2026) |
| Tax Bill | $47,118 (2025) |
| Deeds & Mortgages | Apr 2026 Mortgage Apr 2026 Line of Credit + 5 more |
| Flood Zone | Zone X (minimal risk) |
| APN | DARI M:02 B:34-4 |
| Primary APN | DARI M:02 B:34-4 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 6 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 7,472 sqft Living Area |
| 1st Floor Area | 2,884 sqft |
| Basement Area | 180 sqft |
| Unfinished Basement | 180 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Central Vacuum | Central Vacuum |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | Colonial |
| Exterior Material | Combination |
| Lot Area | 117,525 sqft (2.69 acres) |
| Garage Type | Attached |
| Parking Spaces | 1 Parking Space |
| Pool Type | In-Ground Pool |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Account Number | 11074 |
|---|---|
| Street Address | 451 MANSFIELD AVE |
| City | DARIEN |
| State | CT |
| Zip | 06820-2115 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R2 |
| Legal Block | 34-4 |
| Jurisdiction | DARIEN CT |
| Township / Civil Division | DARIEN |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 30100 |
Source: Darien Town records, as of October 19, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 14 IRON GATE LN, CROMWELL, CT 06416-2016 |
| Owner Type | Company |
| Vesting | Company |
| Date | Document |
|---|---|
| Apr 13, 2026 | Deed of Trust, Mortgage · Commercial Mortgage |
| Apr 13, 2026 | Deed of Trust, Mortgage · Line of Credit |
| Apr 13, 2026 | Warranty Deed, Transfer · Line of Credit RFLF 5 LLC |
| Mar 4, 2024 | Commissioner's Deed, Foreclosure Foreclosure Auction |
| Mar 29, 2023 | Warranty Deed, Transfer · Stand-Alone First Mortgage DOMUS ACQUISITIONS LL |
| Feb 14, 2023 | Warranty Deed, Transfer |
| Sep 9, 2021 | Warranty Deed, Transfer |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 13, 2026 · Amount on Record |
| Deed Sale | Apr 13, 2026 · Amount on Record |
| Prior Sale | Mar 4, 2024 · Amount on Record |
| Deed Document Number | 2026677 |
| Deed Book / Page | 1785 / 1141 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DARIEN CT |
| Recording Date | Apr 13, 2026 |
| Property Address | 451 MANSFIELD AVE, DARIEN, CT 06820-2115 |
| Document Number | 01785-1175 |
| Book / Page | 1785 / 1175 |
| Instrument Date | Apr 9, 2026 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Name | Verified Name |
|---|---|
| Investor | Possibly a Property Investor |
| Document Number | 1785001175, |
|---|---|
| Date | Apr 13, 2026 |
| Book Page | 1785/1175 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Rate | 6.11% |
|---|---|
| Max Rate | -1% |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | DARIEN CT |
| Recording Date | Apr 13, 2026 |
| Property Address | 451 MANSFIELD AVE, DARIEN, CT 06820-2115 |
| Document Number | 01785-1168 |
| Book / Page | 1785 / 1168 |
| Instrument Date | Apr 9, 2026 |
| Transaction Type | Mortgage |
| Record Updated | Jul 12, 2026 |
| Name | Verified Name |
|---|---|
| Investor | Possibly a Property Investor |
| Document Number | 1785001168, |
|---|---|
| Date | Apr 13, 2026 |
| Book Page | 1785/1168 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate | 6.11% |
|---|---|
| Max Rate | -1% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DARIEN CT |
| Recording Date | Apr 13, 2026 |
| Property Address | 451 MANSFIELD AVE, DARIEN, CT 06820-2115 |
| Document Number | 01785-1141 |
| Book / Page | 1785 / 1141 |
| Instrument Date | Mar 25, 2026 |
| Instrument | 2026.677 |
| Transaction Type | Transfer |
| Record Updated | May 8, 2026 |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 14 IRON GATE LN, CROMWELL, CT 06416-2016 |
| Date | Apr 13, 2026 |
|---|
| Name | RFLF 5 LLC |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 12 Months |
| Due | May 1, 2027 |
| Rate | 5.98% |
|---|---|
| Max Rate | -1% |
| Document Type | Commissioner's Deed |
|---|---|
| Jurisdiction | DARIEN CT |
| Recording Date | Mar 4, 2024 |
| Property Address | 451 MANSFIELD AVE, DARIEN, CT 06820-2115 |
| Document Number | 01761-1115 |
| Book / Page | 1761 / 1115 |
| Instrument Date | Jan 8, 2024 |
| Instrument | 376 |
| Transaction Type | Foreclosure |
| Record Updated | Mar 21, 2024 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DARIEN CT |
| Recording Date | Mar 29, 2023 |
| Property Address | 451 MANSFIELD AVE, DARIEN, CT 06820-2115 |
| Document Number | 001752-140 |
| Book / Page | 1752 / 140 |
| Instrument Date | Mar 28, 2023 |
| Instrument | 456 |
| Transaction Type | Transfer |
| Record Updated | Nov 20, 2025 |
| Amount | Amount Recorded |
|---|---|
| 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 | 0001752143 |
|---|---|
| Date | Mar 29, 2023 |
| Instrument | 1752/143 |
| Name | DOMUS ACQUISITIONS LL |
|---|
| Type | Stand-Alone First Mortgage |
|---|---|
| Amount | Amount Recorded |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DARIEN CT |
| Recording Date | Feb 14, 2023 |
| Property Address | 451 MANSFIELD AVE, DARIEN, CT 06820-2115 |
| Document Number | 001751-254 |
| Book / Page | 1751 / 254 |
| Instrument Date | Feb 10, 2023 |
| Instrument | 236 |
| Transaction Type | Transfer |
| Record Updated | Mar 9, 2023 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 451 MANSFIELD AVE, DARIEN, CT 06820-2115 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | DARIEN CT |
| Recording Date | Sep 9, 2021 |
| Property Address | 451 MANSFIELD AVE, DARIEN, CT 06820-2115 |
| Document Number | 1727-489 |
| Book / Page | 1727 / 489 |
| Instrument Date | Sep 8, 2021 |
| Transaction Type | Transfer |
| Record Updated | Sep 30, 2021 |
| Amount | Amount Recorded |
|---|---|
| Tax | $0.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 2 ANGORA RD, WESTPORT, CT 06880-3901 |
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 | $47,118.00 | $3,043,810 (+21.56%) Land $766,080 Building $2,277,730 | $2,130,667 Land $536,256 Building $1,594,411 |
| 2024 | $47,118.00 (+6.86%) | ||
| 2023 | $44,095.00 (+2.21%) | $2,503,970 (-) Land $766,080 Building $1,737,890 | |
| 2022 | $43,143.00 | $2,503,970 Land $766,080 Building $1,737,890 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
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 76 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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