16 William St, Darien, CT 06820 Property Records

Darien Town property record for 16 William St, Darien, CT 06820

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,177 sqft · built 1921
Lot Size	0.11 acres (4,792 sqft)
Owner	2 Trust Names on Record
Last Sale	$600,000 (Feb 2011)
Tax Bill	$7,505 (2025)
Deeds & Mortgages	May 2026 Transfer Apr 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`DARI M:23 B:50`

Property Details

APN / Parcel Number

Primary APN	`DARI M:23 B:50`
Alternative APN	`8503`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,177 sqft Living Area
1st Floor Area	625 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1921
Effective Year Built	Effective 1921
Architectural Style	Other
Exterior Material	Aluminum/Vinyl
Lot Area	4,792 sqft (0.11 acres)

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	8503
Street Address	16 WILLIAM ST
City	DARIEN
State	CT
Zip	06820-4028
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R15
Legal Block	50
Jurisdiction	DARIEN CT
Township / Civil Division	DARIEN
Census Block Group	1
Census Block	1012
Census Tract	30500

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Trust Names on Record
Mailing Address	16 WILLIAM ST, DARIEN, CT 06820-4028
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
May 14, 2026	Quit Claim Deed, Transfer Quitclaim
Apr 1, 2021	Deed of Trust, Mortgage · Balloon Mortgage TRUIST BANK

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 11, 2011 · Amount on Record
Deed Sale	Feb 11, 2011 · Amount on Record
Prior Sale	May 3, 2001 · Amount on Record
Deed Book / Page	1411 / 146
Last Transfer Date	May 1, 2026
Transfer Doc	001787-267
Record Updated	Sep 20, 2026

May 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	DARIEN CT
Recording Date	May 14, 2026
Property Address	16 WILLIAM ST, DARIEN, CT 06820-4028
Document Number	001787-267
Book / Page	1787 / 267
Instrument Date	May 1, 2026
Instrument	2026922
Transaction Type	Transfer
Record Updated	Aug 28, 2026

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

April 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	16 WILLIAM ST, DARIEN, CT 06820-4028
Transaction Type	Mortgage
Record Updated	Apr 22, 2021
Title Company	EQUITY NATIONAL TITLE LLC, EQUITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	1713-388
Date	Apr 1, 2021
Book Page	1713/388

Lender

Name	TRUIST BANK

Agreement

Type	Balloon Mortgage
Amount	Amount Recorded
Term	181 Months
Due	May 1, 2036

Tax Assessment & Valuation

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	$7,505.00	$484,820 (+10.9%) Land $358,260 Building $126,560	$339,374 Land $250,782 Building $88,592
2024	$7,505.00 (-2.51%)
2023	$7,698.00 (+2.2%)	$437,150 (-) Land $341,250 Building $95,900
2022	$7,532.00	$437,150 Land $341,250 Building $95,900

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

Flood

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

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.

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 333 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

May also be available: T-Mobile.

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