488 Mansfield Ave, Darien, CT 06820 Property Records

Darien Town property record for 488 Mansfield Ave, Darien, CT 06820

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 6,860 sqft · built 1919
Lot Size	2.63 acres (114,868 sqft)
Owner	2 Individual Names on File
Last Sale	$3,800,000 (Aug 2024)
Tax Bill	$38,872 (2025)
Deeds & Mortgages	Aug 2024 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`DARI M:01 B:117`

Property Details

APN / Parcel Number

Primary APN	`DARI M:01 B:117`
Alternative APN	`6747`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	6,860 sqft Living Area
1st Floor Area	4,329 sqft
Basement Area	756 sqft
Unfinished Basement	756 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1919
Effective Year Built	Effective 2013
Architectural Style	Cape Cod
Exterior Material	Wood Siding
Roof Type	Gable
Roof Material	Asphalt
Lot Area	114,868 sqft (2.63 acres)
Garage Type	Attached
Parking Spaces	1 Parking Space
Pool Type	In-Ground Pool
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	6747
Street Address	488 MANSFIELD AVE
City	DARIEN
State	CT
Zip	06820-2117
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R2
Legal Block	117
Jurisdiction	DARIEN CT
Township / Civil Division	DARIEN
Census Block Group	1
Census Block	1007
Census Tract	30100

Owner

488 Mansfield Ave is owned by two individuals who bought it in August 2024.

Source: Darien Town records, as of June 25, 2026

Owner of Record	2 Individual Names on File
Mailing Address	65 WASHINGTON ST, BROOKLYN, NY 11201-1470
Owner Type	Individual
Vesting	Joint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Aug 27, 2024 · Amount on File
Deed Sale	Aug 27, 2024 · Amount on File
Prior Sale	Jul 3, 2007 · Amount on File
Deed Document Number	20241459
Deed Book / Page	1766 / 824
Record Updated	Sep 20, 2026

August 2024: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DARIEN CT
Recording Date	Aug 27, 2024
Property Address	488 MANSFIELD AVE, DARIEN, CT 06820-2117
Document Number	001766-824
Book / Page	1766 / 824
Instrument Date	Aug 26, 2024
Instrument	1459
Transaction Type	Transfer
Record Updated	Sep 12, 2024

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	65 WASHINGTON ST, BROOKLYN, NY 11201-1470

Mortgage

Document Number	0001766827
Date	Aug 27, 2024
Instrument	1766/827

Lender

Name	FIRST CITIZEN B&T CO

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Rate	5.38%
Type Change Date	Sep 1, 2031
Max Rate At Change	2.75%
Index	Other

Tax Assessment & Valuation

The 2025 property tax bill for 488 Mansfield Ave was $38,872.

Source: Darien Town assessment roll, as of June 25, 2026

Property Jurisdictions

Type	Name
State	Connecticut
County Subdivision	Darien Town
Unified School District	Darien School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$38,872.00	$2,511,110 Land $814,940 Building $1,696,170	$1,757,777 Land $570,458 Building $1,187,319
2024	$38,872.00 (+8.1%)
2023	$35,958.00 (+2.12%)	$2,041,900 (-0.09%) Land $814,940 Building $1,226,960
2022	$35,213.00	$2,043,720 Land $816,760 Building $1,226,960

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 488 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

Wildfire risk around 488 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.

Drinking Water

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

Violations Reported to EPA

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.

Internet Providers

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