Google street view image for 20 N Prospect St, Groton, CT 06340

Off market jan 1994 for $190K

$719,229

Est. refi paymentEst. refi $736/mo

•

4 ba

•

2,652

sq ft

20 N Prospect St, Groton, CT 06340

About this home

20 N Prospect St is a 2,652 square foot house on a 0.25 acre lot with 5 bedrooms and 4 bathrooms. - it last sold on January 06, 1994 for $190,000. Based on Redfin's Groton data, we estimate the home's value is $719,229.

Single-familyProperty Type

1920Year Built

0.25 acresLot Size

$271Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$719,229

$529K since sold in January 1994$8,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 11% higher than the average sale price ($648K) of 6 comparable homes.

SOLD AUG 24, 2026
$461,000
A
4 beds3 baths2,424 sq ft
44 Granada Ter, New London, CT 06320
SOLD MAR 26, 2026
$575,000
B
5 beds3.5 baths2,910 sq ft
165 Plant St, New London, CT 06320
SOLD NOV 5, 2025
$580,000
C
4 beds3 baths2,557 sq ft
17 Henderson Rd, New London, CT 06320
SOLD JUN 26, 2026
$467,000
D
4 beds2 baths2,164 sq ft
763 Ocean Ave, New London, CT 06320
SOLD APR 15, 2026
$505,000
E
3 beds2.5 baths2,668 sq ft
575 Ocean Ave, New London, CT 06320
SOLD JUL 27, 2026
$1,300,000
F
5 beds4.5 baths3,153 sq ft
839 Eastern Point Rd, Groton, CT 06340

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Earn from this home

Sell

$675,861

Est. take-home

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Est. cash available

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Rent

$3,353/mo

Redfin rental estimate

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Market trends in 06340, CT

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

102.9%

+0.6% MoM

Median sale price

$349K

$25K MoM

Avg. days on market

27d

1 days MoM

Recently sold homes

5 MoM

New listings for sale

COMING SOON
$234,900
1 bed1 bath714 sq ft
75 Crown Knoll Ct #108, Groton, CT 06340
$325,000
2 beds1 bath890 sq ft
63 Elderkin Ave, Groton, CT 06340
$350,000
2 beds2.5 baths1,567 sq ft
378 Meridian St Ext #28, Groton, CT 06340
$297,000
2 beds1 bath809 sq ft
95 Joe Ave, Groton, CT 06340
$349,900
3 beds1 bath1,230 sq ft
50 Soundview Rd, Groton, CT 06340
$1,800,000
5 beds4 baths2,688 sq ft
48 Sound Breeze Ave, Groton, CT 06340
$820,000
4 beds2 baths3,512 sq ft
199 Military Hwy, Groton, CT 06340
VIDEO TOUR
$595,000
3 beds2 baths1,680 sq ft
686 Groton Long Point Rd, Groton, CT 06340
$175,000
3 beds2 baths1,440 sq ft
301 Buddington Rd Lot 35, Groton, CT 06340
$480,000
4 beds3.5 baths2,406 sq ft
1320 Route 12, Groton, CT 06340
See all

Provided by Redfin

Sale history for 20 N Prospect St

Year

Property tax

Land + Additions

Assessment*

2022

$9,014 (+12.9%)

$80,080 + $281,190

$361,270

2021

$7,985 (+3.0%)

$88,970 + $174,720

$263,690

2020

$7,755 (+3.3%)

$88,970 + $174,720

$263,690

2019

$7,507 (−1.0%)

$88,970 + $174,720

$263,690

2018

$7,581 (−0.3%)

$88,970 + $174,720

$263,690

2017

$7,607 (+1.0%)

$88,970 + $174,720

$263,690

2016

$7,533 (+8.9%)

$117,530 + $159,810

$277,340

2014

$6,920 (−1.4%)

$117,530 + $159,810

$277,340

2011

$7,021

$117,530 + $159,810

$277,340

Tax history for 20 N Prospect St

Year

Property tax

Land + Additions

Assessment*

2022

$9,014 (+12.9%)

$80,080 + $281,190

$361,270

2021

$7,985 (+3.0%)

$88,970 + $174,720

$263,690

2020

$7,755 (+3.3%)

$88,970 + $174,720

$263,690

2019

$7,507 (−1.0%)

$88,970 + $174,720

$263,690

2018

$7,581 (−0.3%)

$88,970 + $174,720

$263,690

2017

$7,607 (+1.0%)

$88,970 + $174,720

$263,690

2016

$7,533 (+8.9%)

$117,530 + $159,810

$277,340

2014

$6,920 (−1.4%)

$117,530 + $159,810

$277,340

2011

$7,021

$117,530 + $159,810

$277,340

*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: Full

Bathroom Information
# of Full Baths: 4

Heating & Cooling
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 9

Exterior

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

Property Information
Living Sq. Ft: 2,652
Gross Sq. Ft: 2,652
# of Units: 1
# of Stories: 2
Legal Description: 001688 - 001950 - 005530 - 000000

Lot Information
# of Buildings: 1
Land Sq. Ft: 10,890
Municipality Name: GROTON
Acres: 0.25
Zoning Code: R8
State Use Description: 1-FAMILY RESIDENCE

Financial

Assessor Information
Assessment Year: 2022

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 2,652
Stories: 2.0
Lot Size: 0.25 acres
Style: Single Family Residential
Year Built: 1920
Year Renovated: —
County: New London County
APN: 1951387

Home facts updated by county records on Jul 13, 2023

Around this home

Schools

Catherine Kolnaski Magnet School

Public PreK-5 • Assigned • 1.6mi

7/10

Groton Middle School

Public 6-8 • Assigned • 3.5mi

5/10

Fitch Senior High School

Public 9-12 • Assigned • 3.3mi

5/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Historical weather

Groton, CT • 06340

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 9.1 hours in June and 4.6 hours in December, which is comparable to the U.S. average for solar exposure.

9.1 hrs

4.6 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$684,000 – $828,000

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New listings for sale in 06340

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Home values near 20 N Prospect St

Data from public records.

Address	Redfin Estimate
35 N Prospect Street, Groton, CT 3 Beds \| 2 Baths \| 1040 Sq. Ft.	$415,540
10 N Prospect Street, Groton, CT 4 Beds \| 3 Baths \| 2676 Sq. Ft.	$783,503

Address	Redfin Estimate
23 N Prospect Street, Groton, CT 3 Beds \| 2.5 Baths \| 1872 Sq. Ft.	$577,762
30 N Prospect Street, Groton, CT 3 Beds \| 1.5 Baths \| 1389 Sq. Ft.	$436,277

Address	Redfin Estimate
3 N Prospect Street, Groton, CT 2 Beds \| 2 Baths \| 1823 Sq. Ft.	$457,494
38 N Prospect Street, Groton, CT 3 Beds \| 3 Baths \| 3064 Sq. Ft.	$1,079,680

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 06340, CT

Sale history for 20 N Prospect St

Tax history for 20 N Prospect St

Property details

Around this home

Schools

Lifestyle

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 06340

Home values near 20 N Prospect St

More real estate resources