Prospect Ave, Darien, CT Property Records

Darien Town property records for 22 addresses on Prospect Ave, Darien, CT · Last verified July 2026

Prospect Ave Highlights

Properties 22
Median Sale Price $2,053,250
Deeds and Mortgages on File 17
Median Price per Sqft $657
Owner Occupied 91%
Median Annual Tax Bill $18,174
Median Year Built 1890
Median Ownership Tenure 14 years

Properties on Prospect Ave

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

2 Prospect Ave

5 bd · 3 ba · 3,397 sqft · 0.489 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,495,000Jun 2007 $17,9902025 Amount on Record Mar 1998 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

3 Prospect Ave

6 bd · 3.5 ba · 4,861 sqft · 0.8 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,850,000Feb 2004 $24,0272025 Amount on Record Apr 1998 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

5 Prospect Ave

4 bd · 3 ba · 3,918 sqft · 0.439 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,324,000Oct 2015 $18,7822025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

6 Prospect Ave

5 bd · 6.5 ba · 4,457 sqft · 0.439 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Jun 2018 $30,1272025 Amount on Record Jul 1998 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

7 Prospect Ave

5 bd · 3.5 ba · 4,665 sqft · 0.65 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,350,000Oct 2002 $25,3642025 Amount on Record Oct 1999 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

8 Prospect Ave

4 bd · 2.5 ba · 3,036 sqft · 0.339 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,350,000Dec 2024 $14,8962025 Amount on Record Sep 1993 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

10 Prospect Ave

5 bd · 5 ba · 5,338 sqft · 0.789 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,616,000Jan 2026 $26,9492025 Amount on Record Oct 2003 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

11 Prospect Ave

4 bd · 2.5 ba · 3,521 sqft · 0.33 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,275,000Jan 2011 $17,9312025 Amount on Record Apr 1999 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

12 Prospect Ave

5 bd · 3 ba · 3,125 sqft · 0.789 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,660,000Aug 2016 $18,8932025 Amount on Record May 2007 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

13 Prospect Ave

4 bd · 2.5 ba · 2,600 sqft · 0.489 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,400,000Jun 2012 $15,5602024 Amount on Record Oct 2000 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

14 Prospect Ave

5 bd · 2.5 ba · 3,003 sqft · 0.7 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$912,500Aug 2001 $15,4342025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

16 Prospect Ave

5 bd · 3.5 ba · 4,030 sqft · 0.51 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,650,000Oct 2024 $19,6552025 Amount on Record Aug 2007 2 Names on Record Assessor + 3 DocumentsUpdated Jul 2026

19 Prospect Ave

4 bd · 3 ba · 2,672 sqft · 0.5 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,400,000Aug 2016 $15,4142025 Amount on Record Aug 2012 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

20 Prospect Ave

5 bd · 5 ba · 4,136 sqft · 0.569 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,025,000Jul 2013 $21,4792025 Amount on Record Jul 2006 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

21 Prospect Ave

5 bd · 4.5 ba · 3,481 sqft · 0.33 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,650,000Aug 2013 $18,5762024 1 Name on Record AssessorUpdated Jul 2026

23 Prospect Ave

4 bd · 3.5 ba · 2,679 sqft · 0.33 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$375,000Sep 1993 $16,7812025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

25 Prospect Ave

5 bd · 3.5 ba · 3,437 sqft · 0.373 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$550,000Sep 2001 $16,6952025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

26 Prospect Ave

4 bd · 2.5 ba · 3,489 sqft · 0.487 acres

Last Sale Tax Bill Prior Sale Owner Records
$495,000Sep 1990 $18,1742025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

30 Prospect Ave

6 bd · 3.5 ba · 4,082 sqft · 0.7 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$628,000Aug 1989 $17,5682025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

31 Prospect Ave

4 bd · 3.5 ba · 2,376 sqft · 0.66 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,053,250Jul 2025 $15,1792025 Amount on Record Dec 2014 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

33 Prospect Ave

3 bd · 2.5 ba · 2,934 sqft · 0.43 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,311,000May 2003 $17,0312025 Amount on Record Nov 1995 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

34 Prospect Ave

5 bd · 3.5 ba · 3,454 sqft · 0.789 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$748,800May 1998 $18,9502025 Amount on Record May 1996 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

Wildfire Risk on Prospect Ave

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskLow
this street's cells rank at the 20th percentile of exposed land nationally · 55th in Connecticut
Wildfire LikelihoodLow — about 1 in 10,000 per year
ExposureDirect
1 of 3 cells directly exposed · 2 adjoin burnable vegetation

Property Records in Nearby Streets