Google street view image for 20 Cornwall Ave, Prospect, CT 06712

Off market may 1999 for $40K

$624,170

Est. refi paymentEst. refi $291/mo

•

2 ba

•

2,568

sq ft

20 Cornwall Ave, Prospect, CT 06712

About this home

20 Cornwall Ave is a 2,568 square foot house on a 3.2 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on May 14, 1999 for $40,000. Based on Redfin's Prospect data, we estimate the home's value is $624,170.

Single-familyProperty Type

2002Year Built

3.2 acresLot Size

$243Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$624,170

$584K since sold in May 1999$1,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11% higher than the average sale price ($562K) of 6 comparable homes.

SOLD NOV 2, 2026
$675,000
A
3 beds2.5 baths2,762 sq ft
1 Overlook Ct, Prospect, CT 06712
SOLD FEB 12, 2026
$365,000
B
3 beds2 baths2,385 sq ft
16 Plank Rd, Prospect, CT 06712
SOLD JUL 30, 2026
$672,500
C
3 beds2.5 baths2,124 sq ft
59 Williams Rd, Cheshire, CT 06410
SOLD SEP 24, 2026
$525,999
D
3 beds2.5 baths1,872 sq ft
109 Summit Rd, Prospect, CT 06712
SOLD OCT 8, 2026
$485,000
E
3 beds2 baths1,911 sq ft
116 Summit Rd, Prospect, CT 06712
SOLD SEP 29, 2026
$650,000
F
3 beds3.5 baths2,708 sq ft
16 Juggernaut Rd, Prospect, CT 06712

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Earn from this home

Sell

$582,258

Est. take-home

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Refinance

Est. cash available

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Rent

$3,090/mo

Redfin rental estimate

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Market trends in 06712, CT

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.5%

0.7% MoM

Median sale price

$517K

$3K MoM

Avg. days on market

55d

6 days MoM

Recently sold homes

2 MoM

New listings for sale

NEW 16 HRS AGO
$275,000
3 beds1.5 baths1,288 sq ft
46 Klein Dr, Prospect, CT 06712
NEW 17 HRS AGO
$279,000
3 beds1 bath960 sq ft
14 Karyl Ln, Prospect, CT 06712
3D WALKTHROUGH
$450,000
2 beds2 baths2,055 sq ft
6 Boulder Brook Ct Unit U-63, Prospect, CT 06712
OPEN SAT, 11AM TO 2PM
$529,900
2 beds2.5 baths1,850 sq ft
146 Sycamore Dr, Prospect, CT 06712
See all

Provided by Redfin

Sale history for 20 Cornwall Ave

Year

Property tax

Land + Additions

Assessment*

2023

$7,987 (−0.1%)

$106,080 + $144,140

$250,220

2022

$7,995 (−1.1%)

$106,080 + $144,140

$250,220

2021

$8,082 (−0.8%)

$106,080 + $144,140

$250,220

2020

$8,149 (+2.1%)

$106,080 + $151,790

$257,870

2019

$7,981 (−0.2%)

$106,080 + $151,790

$257,870

2018

$7,994 (−0.8%)

$106,080 + $151,790

$257,870

2017

$8,058 (+4.5%)

$106,080 + $151,790

$257,870

2016

$7,713 (+0.8%)

$106,080 + $151,790

$257,870

2014

$7,651 (+3.2%)

$106,080 + $157,930

$264,010

2011

$7,413

$106,080 + $157,930

$264,010

Tax history for 20 Cornwall Ave

Year

Property tax

Land + Additions

Assessment*

2023

$7,987 (−0.1%)

$106,080 + $144,140

$250,220

2022

$7,995 (−1.1%)

$106,080 + $144,140

$250,220

2021

$8,082 (−0.8%)

$106,080 + $144,140

$250,220

2020

$8,149 (+2.1%)

$106,080 + $151,790

$257,870

2019

$7,981 (−0.2%)

$106,080 + $151,790

$257,870

2018

$7,994 (−0.8%)

$106,080 + $151,790

$257,870

2017

$8,058 (+4.5%)

$106,080 + $151,790

$257,870

2016

$7,713 (+0.8%)

$106,080 + $151,790

$257,870

2014

$7,651 (+3.2%)

$106,080 + $157,930

$264,010

2011

$7,413

$106,080 + $157,930

$264,010

*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 Sq. Ft: 1,263

Bathroom Information
# of Full Baths: 2

Heating & Cooling
Heating Type: Forced Hot Water

Room Information
# of Rooms: 7

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Colonial
Construction Type: Frame
Exterior Wall: Vinyl

Property Information
Living Sq. Ft: 2,568
# of Stories: 2

Lot Information
# of Buildings: 1
Land Sq. Ft: 139,392
Municipality Name: PROSPECT
Acres: 3.2
Zoning Code: RA-1
State Use Description: 1-FAMILY RESIDENCE

Utility Information
Sewer Type: Septic
Water Service Type: Well

Financial

Assessor Information
Assessment Year: 2023

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 2,568
Stories: 2.0
Lot Size: 3.2 acres
Style: Single Family Residential
Year Built: 2002
Year Renovated: —
County: New Haven County
APN: 1314262

Home facts updated by county records on Jul 12, 2023

Around this home

Schools

K - 12
Preschool & daycare

Prospect Elementary School

Public PreK-5 • Assigned • 1.8mi

7/10

Long River Middle School

Public 6-8 • Assigned • 1.9mi

8/10

Woodland Regional High School

Public 9-12 • Assigned • 9.2mi

9/10

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

4/10 Heat Factor

7 days above 97° expected this year, 15 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

3/10 Air Factor

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

Provided by First Street

Historical weather

Prospect, CT • 06712

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 8.9 hours in June and 4.4 hours in December, placing it below the U.S. average for solar exposure.

8.9 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$593,000 – $718,000

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Nearby similar homes

NEW 16 HRS AGO

$275,000

3 beds1.5 baths1,288 sq ft

46 Klein Dr, Prospect, CT 06712

Split-level home • Rear deck • Central air system

$379,900

3 beds1 bath1,484 sq ft

6 Colonial Dr, Prospect, CT 06712

Eat in kitchen • Sunroom • Large deck

$489,000

4 beds2.5 baths2,597 sq ft

275 Ridgefield Ave, Waterbury, CT 06705

Remodeled flooring • Finished basement • Conveniently located

$350,000

4 beds2 baths1,872 sq ft

3156 E Main St, Waterbury, CT 06705

Secluded lot • New siding • New windows

$329,999

3 beds2 baths1,935 sq ft

82 Midland Rd, Waterbury, CT 06705

0.23 acre lot • Garage • Built 1926

3D WALKTHROUGH

$449,999

3 beds2 baths1,899 sq ft

4 Mohawk Dr, Wolcott, CT 06716

Newer windows • Vinyl siding • Newer roof

New listings for sale in 06712

NEW 16 HRS AGO

$275,000

3 beds1.5 baths1,288 sq ft

46 Klein Dr, Prospect, CT 06712

Split-level home • Rear deck • Central air system

NEW 17 HRS AGO

$279,000

3 beds1 bath960 sq ft

14 Karyl Ln, Prospect, CT 06712

0.35 acre lot • Garage • Built 1957

3D WALKTHROUGH

$450,000

2 beds2 baths2,055 sq ft

6 Boulder Brook Ct Unit U-63, Prospect, CT 06712

Composite deck • Full size windows • $460 HOA

OPEN SAT, 11AM TO 2PM

$529,900

2 beds2.5 baths1,850 sq ft

146 Sycamore Dr, Prospect, CT 06712

Walk-out basement • Private deck • Manicured grounds

Home values near 20 Cornwall Ave

Data from public records.

Address	Redfin Estimate
24 Cornwall Ave, Prospect, CT 3 Beds \| 2.5 Baths \| 3598 Sq. Ft.	$726,971
25 Cornwall Ave, Prospect, CT 2 Beds \| 1.5 Baths \| 1222 Sq. Ft.	$412,097
27 Cornwall Ave, Prospect, CT 3 Beds \| 2.5 Baths \| 2296 Sq. Ft.	$602,772
28 Cornwall Ave, Prospect, CT 3 Beds \| 2 Baths \| 1728 Sq. Ft.	$474,314
12 Cornwall Ave, Prospect, CT 3 Beds \| 2 Baths \| 1720 Sq. Ft.	$500,942
30 Cornwall Ave, Prospect, CT 3 Beds \| 1.5 Baths \| 1440 Sq. Ft.	$401,015
6 Tress Rd, Prospect, CT 3 Beds \| 2 Baths \| 1360 Sq. Ft.	$396,846

Address	Redfin Estimate
5 Cornwall Ave, Prospect, CT 2 Beds \| 1 Baths \| 848 Sq. Ft.	$300,315
15 Cornwall Ave, Prospect, CT 3 Beds \| 1 Baths \| 1248 Sq. Ft.	$428,037
32 Cornwall Ave, Prospect, CT 3 Beds \| 2 Baths \| 2046 Sq. Ft.	$513,315
11 Cornwall Ave, Prospect, CT 4 Beds \| 1 Baths \| 1352 Sq. Ft.	$301,616
10 Cornwall Ave, Prospect, CT 4 Beds \| 1.5 Baths \| 1994 Sq. Ft.	$448,341
23 Cornwall Ave, Prospect, CT 2 Beds \| 2 Baths \| 1295 Sq. Ft.	$425,998
12 Tress Rd, Prospect, CT 3 Beds \| 2 Baths \| 1661 Sq. Ft.	$437,199

Address	Redfin Estimate
24R Cornwall Ave, Prospect, CT 4 Beds \| 3.5 Baths \| 3695 Sq. Ft.	$753,591
31 Cornwall Ave, Prospect, CT 3 Beds \| 1.5 Baths \| 1346 Sq. Ft.	$430,829
14 Cornwall Ave, Prospect, CT 2 Beds \| 2 Baths \| 1736 Sq. Ft.	$369,333
26 Cornwall Ave, Prospect, CT 3 Beds \| 1.5 Baths \| 1184 Sq. Ft.	$413,431
22 Cornwall Ave, Prospect, CT 4 Beds \| 3 Baths \| 2652 Sq. Ft.	$651,080
6 Cornwall Ave, Prospect, CT 3 Beds \| 1.5 Baths \| 1713 Sq. Ft.	$488,868
16 Tress Rd, Prospect, CT 3 Beds \| 2.5 Baths \| 1506 Sq. Ft.	$467,487

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