19 William St, Darien, CT 06820 Property Records

Darien Town property record for 19 William St, Darien, CT 06820

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 900 sqft · built 1921
Lot Size	0.12 acres (5,227 sqft)
Owner	2 Individual Names on Record
Last Sale	$812,500 (Jan 2019)
Tax Bill	$8,055 (2025)
Deeds & Mortgages	Dec 2025 Mortgage Nov 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`DARI M:23 B:56`

Property Details

APN / Parcel Number

Primary APN	`DARI M:23 B:56`
Alternative APN	`4203`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	900 sqft Living Area
1st Floor Area	900 sqft
Basement Area	780 sqft
Unfinished Basement	780 sqft
Game Room	Game Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1921
Effective Year Built	Effective 2019
Architectural Style	Other
Exterior Material	Wood Siding
Lot Area	5,227 sqft (0.12 acres)

Utilities, Heating & Cooling

Heating System	Hot Water
Heating Fuel	Oil

Location & Zoning

Account Number	4203
Street Address	19 WILLIAM ST
City	DARIEN
State	CT
Zip	06820-4029
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R15
Legal Block	56
Jurisdiction	DARIEN CT
Township / Civil Division	DARIEN
Census Block Group	1
Census Block	1013
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 Individual Names on Record
Mailing Address	19 WILLIAM ST, DARIEN, CT 06820-4029
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 15, 2025	Deed of Trust, Mortgage · Conventional Mortgage IVES BANK
Nov 2, 2020	Deed of Trust, Mortgage · Balloon Mortgage US BANK NA
Jan 3, 2019	Executor's Deed, Transfer · Stand-Alone First Mortgage US BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 3, 2019 · Amount on Record
Deed Sale	Jan 3, 2019 · Amount on Record
Deed Book / Page	1646 / 859
Record Updated	Sep 20, 2026

December 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	19 WILLIAM ST, DARIEN, CT 06820-4029
Transaction Type	Mortgage
Record Updated	Jan 7, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	001781-899
Date	Dec 15, 2025
Book Page	1781/899

Lender

Name	IVES BANK

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2056

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	DARIEN CT
Property Address	19 WILLIAM ST, DARIEN, CT 06820-4029
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	1698-248
Date	Nov 2, 2020
Book Page	1698/248

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	Balloon Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2050

January 2019: Executor's Deed, Transfer

Document Type	Executor's Deed
Jurisdiction	DARIEN CT
Recording Date	Jan 3, 2019
Property Address	19 WILLIAM ST, DARIEN, CT 06820-4029
Document Number	1646-859
Book / Page	1646 / 859
Transaction Type	Transfer
Record Updated	May 21, 2021

Transaction

Amount	Amount Recorded
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

Mortgage

Document Number	1646865
Date	Jan 3, 2019
Instrument	1646/865

Lender

Name	US BANK NA
Type	Bank

Agreement

Type	Stand-Alone First Mortgage
Amount	Amount Recorded

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	$8,055.00	$520,380 (+17%) Land $378,700 Building $141,680	$364,266 Land $265,090 Building $99,176
2024	$8,055.00 (+2.83%)
2023	$7,833.00 (+2.21%)	$444,780 (-) Land $360,640 Building $84,140
2022	$7,664.00	$444,780 Land $360,640 Building $84,140

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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