3 Prospect Ave, Darien, CT 06820
OFF MARKET

3 Prospect Ave
Darien, CT 06820

Downtown
  • 6 Beds
  • 4.5 Baths
  • 4,861 sqft (on 0.80 acres)

$3,681,200

Trulia Estimate
as of Jul 26, 2026
Est. Refi. Payment $24,282/mo*
Refinance Your Home

$3,681,200

Trulia Estimate
as of Jul 26, 2026
Est. Refi. Payment $24,282/mo*
Refinance Your Home
6 Beds
4.5 Baths
4,861 sqft
(on 0.80 acres)

Local Information

  • Map ViewExplore the area around 3 Prospect Ave.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1900
Lot Size
0.8 acres
Living Area
4,861 sqft
Price/Sqft
$757
Parking
Garage

About this House

This single-family home is located at 3 Prospect Ave, Darien, CT. 3 Prospect Ave is in the Downtown neighborhood in Darien, CT and in ZIP code 06820. This property has 6 bedrooms, 5 bathrooms and approximately 4,861 sqft of floor space. This property has a lot size of 0.80 acres and was built in 1900.
3 Prospect Ave, Darien, CT 06820 is a 6 bedroom, 5 bathroom, 4,861 sqft single-family home in Downtown, built in 1900. It last sold for $1,850,000 on Feb 20, 2004. It is currently off market. The Trulia Estimate is $3,681,200, with a rent estimate of $7,809/month.

Home Details for 3 Prospect Ave

Interior Features

Interior Details
BasementNumber of Rooms: 12
Heating & Cooling
Heating: Other, OilHeating Fuel: Other
Levels, Entrance, & Accessibility
Stories: 3
Fireplace & Spa
Fireplace

Property Information

Year Built
Year Built: 1900Year Updated: 2001
Property Type / Style
Property Type: Single Family HomeArchitecture: Colonial

Exterior Features

Exterior Home Features
Exterior: Wood
Parking & Garage
GarageParking: Garage Attached

Community

Units in Building: 1

Lot Information

Lot Area: 0.80 acres

Price History for 3 Prospect Ave

DatePriceEventSource
02/20/2004$1,850,000Sold
Smart MLS #98176385
04/24/1998$875,000Sold
N/A
07/06/1987$775,000Sold
N/A

Market trends in Darien

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$2.73M
Sale-to-List Price
105.6%
Price per sq ft
$787
Available listings
54
11MoM
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Property Tax and Assessment

Year2025
Tax$24,027
Assessment$1,552,110
Home facts updated by county records

Comparable Sales for 3 Prospect Ave

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
10 Prospect Avenue, Darien, CT
0.07
Single-Family Home
$3,616,000
01/06/26
5
5
5,338
93 Mansfield Avenue, Darien, CT
0.14
Single-Family Home
$3,250,000
12/12/25
5
5
5,220
8 Sunset Road, Darien, CT
0.29
Single-Family Home
$3,925,000
07/16/26
5
4.5
4,840
12 Sunset Road, Darien, CT
0.31
Single-Family Home
$3,912,000
06/15/26
4
4.5
4,306
4 Rabbit Lane, Darien, CT
0.56
Single-Family Home
$2,675,000
08/11/25
5
3.5
3,690
74 Brookside Road, Darien, CT
0.37
Single-Family Home
$3,706,313
09/12/25
5
5
6,069
33 Fairview Avenue, Darien, CT
0.14
Single-Family Home
$3,300,000
06/12/26
4
2.5
3,102
2 Knollwood Lane, Darien, CT
0.48
Single-Family Home
$2,300,000
08/19/25
4
3.5
3,678
71 West Avenue, Darien, CT
0.38
Single-Family Home
$2,350,000
09/30/25
5
4.5
3,780
109 West Avenue, Darien, CT
0.57
Single-Family Home
$2,050,000
09/05/25
5
4.5
3,591

Nearby homes

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Assigned Schools

These are the assigned schools for 3 Prospect Ave.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

Neighborhood Overview

Downtown
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Downtown

At least 1 Trulia users voted on each feature.

  • 100 % Say it's dog friendly

  • 100 % Say they plan to stay for at least 5 years

  • 100 % Say there's holiday spirit

  • 100 % Say yards are well-kept

  • 100 % Say it's quiet

  • 100 % Say there's wildlife

  • 100 % Say it's walkable to restaurants

  • 100 % Say car is needed

  • 100 % Say neighbors are friendly

Sourced by Trulia users. Learn more about our methodology.

LGBTQ Local Legal Protections

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Homes for sale near 3 Prospect Ave

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Off Market Homes Near 3 Prospect Ave

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