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19 William St, Darien, CT 06820

$1,268,000

Last sold 01/15/2019 for $812K

3
bed
1
bath
2,108
Sqft ($385/Sqft)

House not for sale

About 19 William St

Property type House

Neighborhood

Year built 1939

HOA fee $0/month

Lot size 10,019 Sqft

Movoto estimate

Parking 2 garage spaces

Property description

An investment opportunity is knocking! This property has two unattached houses on it, perfect to either reside in one and legally rent out the other (or rent out both,) and a detached 2-car garage. Separately taxed, 19 William and 19 Henry Street, but one parcel, WALK TO TRAIN AND SHOPS! Call listing agents for info on approximate rental income potential.

Listed by

Listing Agent - Maggie Marchesi

Listing Office - Houlihan Lawrence

Source: CONNECT MLS

MLS#170122066 • last updated 7 years ago

Movoto checked CONNECT MLS for data 3 minutes ago

Overview
Cooling/AC	Central Air
Heating	Baseboard, Oil
Type	Single Family For Sale
SqFt	2108
Status	Closed
MLS #	170122066
Lot Size (Acres)	0.23
Property Tax	10986
Property Condition	No/Resale

Interior
Total # of Bathrooms	1
# of Full Baths	1
Total # of Bedrooms	3
Laundry	Lower Level
Add'l Room(s)	Mud Room
Attic	Pull-Down Stairs
Total # of Rooms	6

Exterior
Foundation	Stone
Roofing	Asphalt Shingle
Driveway	Asphalt
# Garage Spaces	2
Parking	Detached Garage

Amenities / Utilities
Sewer/ Septic	Public Sewer Connected

Location
Waterfront	Beach Rights
Neighborhood	Noroton Heights
Elementary School	Holmes
High School	Darien
Middle School	Middlesex
APN	105153
Directions	Hollow Tree Ridge Road To Henry Street Or West Avenue To William Street #19

$1.26M

Range: $1.09M-$1.44M

Last 30 days

Lower your payment with the loan terms that fit you.

Dec 2025
MLS # 24134820
Dec 15, 2025 Sold
$1,400,000 (+5.7%)
Nov 5, 2025 Under Contract
—
Oct 22, 2025 Listed
$1,325,000 (+63.1%)
Jan 2019
MLS # 170122066
Jan 15, 2019 Sold
$812,500 (+99900.0%)
Jan 15, 2019 Sold
$812.5 (-99.9%)
Sep 17, 2018 Show
—
Sep 5, 2018 Listed
$825,000

Year Property taxes Tax assessment
2024
$8,055 +2.8%

$520,380 +17.0%
2023
$7,833 +2.2%

$444,780
2022
$7,664 +2.3%

$444,780
2021
$7,490 +2.9%

$444,780
2020
$7,277 +5.8%

$444,780 +6.49%
2019
$6,879 +16.7%

$417,690 +13.94%
2018
$5,895 -0.5%

$366,590
2017
$5,924 +2.5%

$366,590
2016
$5,781 +2.7%

$366,590
2015
$5,627

—

19 William St
$812K
Noroton Heights
$1.79M +66% y/y
06820
$2.45M +11% y/y
Darien
$2.79M +20% y/y

No chart available

Statistics calculated by Movoto

	Est. value	Bed/bath	Sqft	mi
19 Henry St, Darien, CT 06820	$1,109,000	2/1	808	0.01
17 William St, Darien, CT 06820	$1,476,000	3/2	1,812	0.02
18 William St, Darien, CT 06820	$1,053,000	2/1	888	0.02
22 William St, Darien, CT 06820	$1,418,000	3/2	1,615	0.02
18 Charles St, Darien, CT 06820	$2,213,000	4/3	2,451	0.02
11 William St, Darien, CT 06820	$1,643,000	3/3	1,980	0.02
24 Charles St, Darien, CT 06820	$1,594,000	3/2	1,524	0.02
16 William St, Darien, CT 06820	$1,342,000	3/1	1,177	0.02

Estimated values are based on public record data and automated valuation models. Values are not guaranteed and may not reflect current market conditions.