359 Mansfield Ave, Darien, CT 06820 Property Records

Darien Town property record for 359 Mansfield Ave, Darien, CT 06820

Property Summary

Property Type	Single Family Home
Details	5 bd · 6 ba · 6,678 sqft · built 1996
Lot Size	2 acres (87,120 sqft)
Owner	2 Individual Names on File
Last Sale	$3,295,000 (May 2013)
Tax Bill	$37,107 (2025)
Deeds & Mortgages	May 2025 Line of Credit May 2023 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`DARI M:02 B:4`

Property Details

APN / Parcel Number

Primary APN	`DARI M:02 B:4`
Alternative APN	`5039`

Interior

Bedrooms	5 Beds
Full Baths	6 Baths
Half Baths	2 Half Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	6,678 sqft Living Area
1st Floor Area	2,865 sqft
Basement Area	240 sqft
Unfinished Basement	240 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace
Central Vacuum	Central Vacuum

Exterior

Year Built	Built 1996
Effective Year Built	Effective 1996
Architectural Style	Colonial
Exterior Material	Wood Siding
Lot Area	87,120 sqft (2 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	Forced Air with A/C
Heating Fuel	Oil

Location & Zoning

Account Number	5039
Street Address	359 MANSFIELD AVE
City	DARIEN
State	CT
Zip	06820-2113
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R2
Legal Block	4
Jurisdiction	DARIEN CT
Township / Civil Division	DARIEN
Census Block Group	1
Census Block	1006
Census Tract	30100

Owner

359 Mansfield Ave is owned and occupied by two individuals who bought it in May 2013.

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

Owner of Record	2 Individual Names on File
Mailing Address	359 MANSFIELD AVE, DARIEN, CT 06820-2113
Occupancy	Owner Occupied
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.

Deeds, Mortgages & Sale History

Date	Document
May 19, 2025	Deed of Trust, Mortgage · Line of Credit BETTER MORTGAGE CORP
May 1, 2023	Deed of Trust, Mortgage · ARM US BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 6, 2013 · Amount on File
Deed Sale	May 6, 2013 · Amount on File
Prior Sale	Jun 23, 2003 · Amount on File
Deed Book / Page	1497 / 573
Transfer Doc	1414-282
Record Updated	Sep 20, 2026

May 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	359 MANSFIELD AVE, DARIEN, CT 06820-2113
Transaction Type	Mortgage
Record Updated	Nov 25, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	001774-197
Date	May 19, 2025
Book Page	1774/197

Lender

Name	BETTER MORTGAGE CORP

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2055

May 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	359 MANSFIELD AVE, DARIEN, CT 06820-2113
Transaction Type	Mortgage
Record Updated	May 18, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	01752-1191
Date	May 1, 2023
Book Page	1752/1191

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Jun 1, 2053

Interest

Rate Type	Adjustable Rate
Rate	4.75%
Type Change Date	May 1, 2030
Index	Other

Tax Assessment & Valuation

The 2025 property tax bill for 359 Mansfield Ave was $37,107.

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	$37,107.00	$2,397,080 Land $728,000 Building $1,669,080	$1,677,956 Land $509,600 Building $1,168,356
2024	$37,107.00 (+6.72%)
2023	$34,770.00 (+2.21%)	$1,974,420 (-) Land $728,000 Building $1,246,420
2022	$34,019.00	$1,974,420 Land $728,000 Building $1,246,420

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

Flood

FEMA maps place 359 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 359 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 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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