328 Mansfield Ave, Darien, CT 06820 Property Records

Darien Town property record for 328 Mansfield Ave, Darien, CT 06820

Property Summary

Property Type	Single Family Home
Details	5 bd · 6 ba · 5,317 sqft · built 1995
Lot Size	2.23 acres (97,139 sqft)
Owner	2 Individual Names on File
Last Sale	$2,700,000 (Jul 2017)
Tax Bill	$31,544 (2025)
Deeds & Mortgages	Oct 2025 Second Mortgage Jul 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`DARI M:05 B:38-2`

Property Details

APN / Parcel Number

Primary APN	`DARI M:05 B:38-2`
Alternative APN	`10958`

Interior

Bedrooms	5 Beds
Full Baths	6 Baths
Half Baths	2 Half Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	5,317 sqft Living Area
1st Floor Area	2,886 sqft
Basement Area	1,162 sqft
Unfinished Basement	1,162 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace
Central Vacuum	Central Vacuum

Exterior

Year Built	Built 1995
Effective Year Built	Effective 1995
Architectural Style	Colonial
Exterior Material	Wood Siding
Lot Area	97,139 sqft (2.23 acres)
Garage Type	Basement
Parking Spaces	3 Parking Spaces
Deck Area	Deck Area

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C
Heating Fuel	Oil

Location & Zoning

Account Number	10958
Street Address	328 MANSFIELD AVE
City	DARIEN
State	CT
Zip	06820-2110
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R2
Legal Block	38-2
Jurisdiction	DARIEN CT
Township / Civil Division	DARIEN
Census Block Group	1
Census Block	1012
Census Tract	30100

Owner

328 Mansfield Ave is owned and occupied by two individuals who bought it in July 2017.

Source: Darien Town records, as of June 29, 2026

Owner of Record	2 Individual Names on File
Mailing Address	328 MANSFIELD AVE, DARIEN, CT 06820-2110
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
Oct 27, 2025	Deed of Trust, Mortgage · Stand-Alone Second Mortgage ROCKET MORTGAGE LLC
Jul 14, 2017	Warranty Deed, Transfer UBS BANK USA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 14, 2017 · Amount on File
Deed Sale	Jul 14, 2017 · Amount on File
Prior Sale	Aug 3, 2004 · Amount on File
Deed Book / Page	1617 / 474
Transfer Doc	001475-272
Record Updated	Sep 20, 2026

October 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	328 MANSFIELD AVE, DARIEN, CT 06820-2110
Transaction Type	Mortgage
Record Updated	Feb 9, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	001779-890
Date	Oct 27, 2025
Book Page	1779/890

Lender

Name	ROCKET MORTGAGE LLC

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2055

July 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	DARIEN CT
Recording Date	Jul 14, 2017
Property Address	328 MANSFIELD AVE, DARIEN, CT 06820-2110
Document Number	1617-474
Book / Page	1617 / 474
Transaction Type	Transfer
Record Updated	May 21, 2021

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$327.63
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Investor	Possibly a Property Investor

Mortgage

Document Number	16170477
Date	Jul 14, 2017
Instrument	01617/0477

Lender

Name	UBS BANK USA
Type	Bank

Agreement

Amount	Amount on Record
Term	360 Months
Due	Jul 14, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 328 Mansfield Ave was $31,544.

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	$31,544.00	$2,037,700 Land $759,430 Building $1,278,270	$1,426,390 Land $531,601 Building $894,789
2024	$31,544.00 (+5.1%)
2023	$30,014.00 (+2.21%)	$1,704,360 (-) Land $759,430 Building $944,930
2022	$29,366.00	$1,704,360 Land $759,430 Building $944,930

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

Flood

FEMA maps place 328 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 328 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.

Cell Coverage

5G (outdoors only) and 4G LTE

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