Google street view image for 521 Hollow Tree Ridge Rd, Darien, CT 06820

Off market aug 1993 for $775K

$3,917,932

Est. refi paymentEst. refi $5,297/mo

•

4.5 ba

•

5,380

sq ft

521 Hollow Tree Ridge Rd, Darien, CT 06820

About this home

521 Hollow Tree Ridge Rd is a 5,380 square foot house on a 2.06 acre lot with 4 bedrooms and 4.5 bathrooms. - it last sold on August 05, 1993 for $775,000. Based on Redfin's Darien data, we estimate the home's value is $3,917,932.

Single-familyProperty Type

1961Year Built

2.06 acresLot Size

$728Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$3,917,932

$3.1M since sold in August 1993$5,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 21.4% higher than the average sale price ($3.23M) of 6 comparable homes.

SOLD SEP 21, 2026
$2,711,000
A
4 beds3.5 baths4,100 sq ft
18 Linda Ln, Darien, CT 06820
SOLD JUN 17, 2026
$3,526,000
B
4 beds3.5 baths3,340 sq ft
31 Stephanie Ln, Darien, CT 06820
SOLD SEP 2, 2026
$2,870,000
C
4 beds3.5 baths2,750 sq ft
12 Libby Ln, Darien, CT 06820
SOLD APR 15, 2026
$2,395,000
D
4 beds3.5 baths3,550 sq ft
112 Camp Ave, Darien, CT 06820
SOLD JUN 11, 2026
$4,315,000
E
5 beds6 baths4,653 sq ft
28 Crooked Mile Rd, Darien, CT 06820
SOLD JUN 12, 2026
$3,550,000
F
4 beds4.5 baths4,825 sq ft
6 Old Parish Rd, Darien, CT 06820

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Earn from this home

Sell

$3,690,958

Est. take-home

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Refinance

Est. cash available

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Rent

$7,239/mo

Redfin rental estimate

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Market trends in 06820, CT

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

109.1%

1.1% MoM

Median sale price

$3.0M

$24K MoM

Avg. days on market

13d

0 days MoM

Recently sold homes

110

7 MoM

New listings for sale

NEW 22 HRS AGO
$1,850,000
4 beds3 baths3,414 sq ft
101 Hoyt St, Darien, CT 06820
OPEN SUN, 1PM TO 3PM
$1,649,000
3 beds3 baths2,007 sq ft
27 Lakeside Ave, Darien, CT 06820
COMING SOON
$4,725,000
6 beds6 baths6,459 sq ft
12 Seagate Rd, Darien, CT 06820
OPEN SUN, 1PM TO 3PM
$2,699,000
5 beds4.5 baths4,084 sq ft
53 Country Club Rd, Darien, CT 06820
$7,995,000
5 beds6.5 baths5,172 sq ft
3 Coves End Rd, Darien, CT 06820
$1,895,000
4 beds2.5 baths2,456 sq ft
9 Wilson Ridge Rd E, Darien, CT 06820
$3,795,000
4 beds4 baths4,361 sq ft
5 Cross Rd, Darien, CT 06820
OPEN SUN, 12PM TO 3PM
$1,795,000
4 beds2 baths2,091 sq ft
150 Holmes Ave, Darien, CT 06820
See all

Provided by Redfin

Sale history for 521 Hollow Tree Ridge Rd

Year

Property tax

Land + Additions

Assessment*

2023

$25,760 (+2.2%)

$792,960 + $669,830

$1,462,790

2022

$25,204 (+2.3%)

$792,960 + $669,830

$1,462,790

2021

$24,633 (+3.1%)

$792,960 + $669,830

$1,462,790

2020

$23,887 (−0.9%)

$792,960 + $669,830

$1,462,790

2019

$24,092 (−6.8%)

$792,960 + $669,830

$1,462,790

2018

$25,855 (−0.5%)

$849,590 + $758,310

$1,607,900

2017

$25,984 (+2.5%)

$849,590 + $758,310

$1,607,900

2016

$25,357 (+5.1%)

$849,590 + $758,310

$1,607,900

2014

$24,135

$849,590 + $758,310

$1,607,900

Tax history for 521 Hollow Tree Ridge Rd

Year

Property tax

Land + Additions

Assessment*

2023

$25,760 (+2.2%)

$792,960 + $669,830

$1,462,790

2022

$25,204 (+2.3%)

$792,960 + $669,830

$1,462,790

2021

$24,633 (+3.1%)

$792,960 + $669,830

$1,462,790

2020

$23,887 (−0.9%)

$792,960 + $669,830

$1,462,790

2019

$24,092 (−6.8%)

$792,960 + $669,830

$1,462,790

2018

$25,855 (−0.5%)

$849,590 + $758,310

$1,607,900

2017

$25,984 (+2.5%)

$849,590 + $758,310

$1,607,900

2016

$25,357 (+5.1%)

$849,590 + $758,310

$1,607,900

2014

$24,135

$849,590 + $758,310

$1,607,900

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Property details

Interior

Basement Information
Basement Type: Partial

Bathroom Information
# of Full Baths: 4
# of 1/2 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 2
Has Fireplace

Room Information
# of Rooms: 9

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Colonial
Exterior Wall: Wood Siding/Shingle

Property Information
Living Sq. Ft: 5,380
Gross Sq. Ft: 5,380
# of Units: 1
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 89,734
Municipality Name: DARIEN
Acres: 2.06
Zoning Code: R2
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2023

Public facts

Beds: 4
Baths: 4.5
Sq. Ft.: 5,380
Stories: 2.0
Lot Size: 2.06 acres
Style: Single Family Residential
Year Built: 1961
Year Renovated: 2006
County: Fairfield County
APN: 103695

Home facts updated by county records on Jul 13, 2023

Around this home

Schools

Ox Ridge Elementary School

Public PreK-5 • Assigned • 1.1mi

10/10

Middlesex Middle School

Public 6-8 • Assigned • 1.4mi

10/10

Darien High School

Public 9-12 • Assigned • 0.8mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

5/10 Heat Factor

7 days above 99° expected this year, 15 days in 30 years

6/10 Wind Factor

75% chance of strong winds in next 30 years

4/10 Air Factor

4 unhealthy days expected this year, 6 days in 30 years

Provided by First Street

Historical weather

Darien, CT • 06820

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.7 hours in June and 4.3 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$3.72M – $4.51M

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New listings for sale in 06820

NEW 22 HRS AGO

$1,850,000

4 beds3 baths3,414 sq ft

101 Hoyt St, Darien, CT 06820

OPEN SUN, 1PM TO 3PM

$1,649,000

3 beds3 baths2,007 sq ft

27 Lakeside Ave, Darien, CT 06820

COMING SOON

$4,725,000

6 beds6 baths6,459 sq ft

12 Seagate Rd, Darien, CT 06820

OPEN SUN, 1PM TO 3PM

$2,699,000

5 beds4.5 baths4,084 sq ft

53 Country Club Rd, Darien, CT 06820

$7,995,000

5 beds6.5 baths5,172 sq ft

3 Coves End Rd, Darien, CT 06820

$1,895,000

4 beds2.5 baths2,456 sq ft

9 Wilson Ridge Rd E, Darien, CT 06820

$3,795,000

4 beds4 baths4,361 sq ft

5 Cross Rd, Darien, CT 06820

OPEN SUN, 12PM TO 3PM

$1,795,000

4 beds2 baths2,091 sq ft

150 Holmes Ave, Darien, CT 06820

Home values near 521 Hollow Tree Ridge Rd

Data from public records.

Address	Redfin Estimate
527 Hollow Tree Ridge Rd, Darien, CT 4 Beds \| 3 Baths \| 4913 Sq. Ft.	$2,633,633
490 Hollow Tree Ridge Rd, Darien, CT 5 Beds \| 4 Baths \| 6530 Sq. Ft.	$6,226,815

Address	Redfin Estimate
495 Hollow Tree Ridge Rd, Darien, CT 6 Beds \| 5 Baths \| 6270 Sq. Ft.	$4,552,008
531 Hollow Tree Ridge Rd, Darien, CT 3 Beds \| 1 Baths \| 5577 Sq. Ft.	$2,102,086

Address	Redfin Estimate
500 Hollow Tree Ridge Rd, Darien, CT 6 Beds \| 7 Baths \| 7779 Sq. Ft.	$5,370,118
535 Hollow Tree Ridge Rd, Darien, CT 3 Beds \| 2 Baths \| 1914 Sq. Ft.	$1,613,059

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