31 Prospect Ave, Darien, CT 06820 is a single family home that contains 2,376 sq ft and was built in 1925. It contains 4 bedrooms and 4 bathrooms. This home last sold for $2,053,250 in July 2025.
The Zestimate for this house is $2,703,900. The Rent Zestimate for this home is $7,202/mo.
Sold for $2,053,250
Street View
$2,053,250
31 Prospect Ave, Darien, CT 06820
4beds
2,376sqft
SingleFamily
Built in 1925
0.66 Acres Lot
$2,703,900 Zestimate®
$864/sqft
$7,202 Estimated rent
Home value
$2,703,900
$2.41M - $3.08M
$7,202/mo
Zestimate® history
Owner options
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$7,202/mo
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$7,202/mo
Rent Zestimate®
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$11,572/mo
Est. payment
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$11,572/mo
Est. payment
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
Heating
- Baseboard, Forced air, Oil
Cooling
- Central
Appliances
- Included: Dishwasher, Dryer, Freezer, Garbage disposal, Microwave, Range / Oven, Refrigerator, Washer
Features
- Flooring: Hardwood
- Basement: Partially finished
- Has fireplace: Yes
Interior area
- Total interior livable area: 2,376 sqft
Property
Parking
- Total spaces: 1
- Parking features: Garage - Attached
Features
- Exterior features: Wood
Lot
- Size: 0.66 Acres
Details
- Parcel number: DARIM16B70
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Colonial
Materials
- Roof: Asphalt
Condition
- Year built: 1925
Community & neighborhood
Location
- Region: Darien
Price history
| Date | Event | Price |
|---|---|---|
| 7/21/2025 | Sold | $2,053,250+36%$864/sqft |
Source: Public Record Report a problem | ||
| 12/5/2014 | Sold | $1,510,000-2.3%$636/sqft |
Source:  Smart MLS #99079877 Report a problem | ||
| 9/26/2014 | Price change | $1,545,000-4.9%$650/sqft |
Source: William Pitt Sotheby's International Realty #99079877 Report a problem | ||
| 9/13/2014 | Listed for sale | $1,625,000+144.4%$684/sqft |
Source: William Pitt Sotheby's International Realty #99079877 Report a problem | ||
| 1/12/1996 | Sold | $665,000$280/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $15,179 +5.4% | $980,560 |
| 2024 | $14,404 +11.8% | $980,560 +34% |
| 2023 | $12,889 +2.2% | $731,920 |
| 2022 | $12,611 +2.3% | $731,920 |
| 2021 | $12,326 +3.1% | $731,920 |
| 2020 | $11,952 -0.9% | $731,920 |
| 2019 | $12,055 -7.4% | $731,920 -9.6% |
| 2018 | $13,022 -0.5% | $809,830 |
| 2017 | $13,087 +2.5% | $809,830 |
| 2016 | $12,771 +2.7% | $809,830 |
| 2015 | $12,431 +2.3% | $809,830 |
| 2014 | $12,156 -2.7% | $809,830 -14.7% |
| 2013 | $12,496 +3.9% | $948,850 |
| 2012 | $12,031 +3.9% | $948,850 |
| 2011 | $11,576 +3.9% | $948,850 |
| 2010 | $11,139 +3.3% | $948,850 |
| 2009 | $10,788 +2.5% | $948,850 +31.2% |
| 2008 | $10,520 +4.9% | $723,030 |
| 2007 | $10,028 +3.5% | $723,030 |
| 2006 | $9,689 -28% | $723,030 -30% |
| 2005 | $13,448 +55.6% | $1,032,900 +42.9% |
| 2004 | $8,640 +39.6% | $723,030 +52.5% |
| 2003 | $6,190 -6.8% | $473,970 |
| 2001 | $6,645 +7.4% | $473,970 -30% |
| 2000 | $6,190 -10.1% | $677,100 +74.2% |
| 1999 | $6,887 | $388,640 |
Find assessor info on the county website
Neighborhood: Downtown
Nearby schools
GreatSchools rating
- 9/10Royle Elementary SchoolGrades: PK-5Distance: 0.5 mi
- 10/10Middlesex Middle SchoolGrades: 6-8Distance: 1.7 mi
- 10/10Darien High SchoolGrades: 9-12Distance: 1.2 mi
Sell for more on Zillow
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$2,703,900
2% more
+$54,078
With Zillow Showcase(estimated)
$2,757,978
- Connecticut
- Fairfield County
- Darien
- 06820
- Downtown
- 31 Prospect Ave
Nearby cities
Nearby neighborhoods
Nearby zip codes
Other Darien Topics
