Google street view image for 4 Neptune Dr, Groton, CT 06340

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Sold

$1,403,253

Est. refi paymentEst. refi $4,788/mo

•

3 ba

•

2,403

sq ft

4 Neptune Dr, Groton, CT 06340

About this home

Waterviews on all sides - directly across from beach & docks. Wonderful sunsets. Deck, porch, patio garden rm. Sun room studio. Open floor plan 1st flr. With l r, sitting area, d r , kt. With eating area, den, 1/2 bath, 3 ** see additional remarks ** bdrms. 2Nd flr. 2.5 Baths. Total includes studio, house design by donald watson.

Single-familyProperty Type

1976Year Built

0.39 acresLot Size

$584Est. Price/Sq.Ft.

2 car garageParking

Source:Public Records

Redfin Estimate

$1,403,253

$673K since sold in December 2004$6,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 175.2% higher than the average sale price ($510K) of 6 comparable homes.

SOLD AUG 21, 2026
$374,000
A
3 beds2 baths2,171 sq ft
21 Tower Ave, Groton, CT 06340
SOLD JUL 1, 2026
$560,000
B
3 beds2 baths1,980 sq ft
541 Groton Long Point Rd, Groton, CT 06340
SOLD JUL 2, 2026
$490,000
C
3 beds2.5 baths2,088 sq ft
335 Judson Ave, Mystic, CT 06355
SOLD SEP 2, 2026
$400,000
D
3 beds2 baths1,801 sq ft
36 Corey Rd, Groton, CT 06340
SOLD SEP 3, 2026
$465,000
E
3 beds2 baths1,512 sq ft
249 Judson Ave, Mystic, CT 06355
SOLD JUL 31, 2026
$770,000
F
3 beds2 baths1,800 sq ft
18 Noble Ave, Groton, CT 06340

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Earn from this home

Sell

$1,320,622

Est. take-home

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Refinance

Est. cash available

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Rent

$3,236/mo

Redfin rental estimate

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Market trends in 06340, CT

Last updated October 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

$389,000
4 beds3 baths1,584 sq ft
151 Hynes Ave, Groton, CT 06340
COMING SOON
$649,900
3 beds2.5 baths2,118 sq ft
2 Fulton Dr, Groton, CT 06340
$99,900
2 beds2 baths1,015 sq ft
91 Buddington Rd Lot 45, Groton, CT 06340
$274,900
2 beds1.5 baths1,204 sq ft
128 Meridian St #209, Groton, CT 06340
COMING SOON
$499,000
3 beds2 baths1,670 sq ft
15 Stonecrest Rd, Groton, CT 06340
$100,000
3 beds2 baths1,188 sq ft
91 Buddington Rd Lot 43, Groton, CT 06340
$230,000
2 beds1 bath969 sq ft
292 Meridian St Unit I, Groton, CT 06340
SHORT SALE
$349,000
2 beds1 bath1,372 sq ft
170 Meridian St, Groton, CT 06340
$465,000
2 beds2.5 baths1,500 sq ft
1154 Poquonnock Rd #3, Groton, CT 06340
$409,000
2 beds2 baths1,200 sq ft
1154 Poquonnock Rd #2, Groton, CT 06340
See all

Provided by Redfin

Sale history for 4 Neptune Dr

Year

Property tax

Land + Additions

Assessment*

2022

$14,237 (+2.0%)

$281,890 + $367,290

$649,180

2021

$13,955 (+1.4%)

$281,890 + $248,500

$530,390

2020

$13,761 (+4.9%)

$281,890 + $247,380

$529,270

2019

$13,121 (+1.1%)

$281,890 + $247,380

$529,270

2018

$12,972 (+2.2%)

$281,890 + $247,380

$529,270

2017

$12,687 (−3.8%)

$281,890 + $247,380

$529,270

2016

$13,191 (+6.6%)

$368,900 + $229,600

$598,500

2014

$12,380 (−1.6%)

$368,900 + $229,600

$598,500

2011

$12,583

$368,900 + $229,600

$598,500

Tax history for 4 Neptune Dr

Year

Property tax

Land + Additions

Assessment*

2022

$14,237 (+2.0%)

$281,890 + $367,290

$649,180

2021

$13,955 (+1.4%)

$281,890 + $248,500

$530,390

2020

$13,761 (+4.9%)

$281,890 + $247,380

$529,270

2019

$13,121 (+1.1%)

$281,890 + $247,380

$529,270

2018

$12,972 (+2.2%)

$281,890 + $247,380

$529,270

2017

$12,687 (−3.8%)

$281,890 + $247,380

$529,270

2016

$13,191 (+6.6%)

$368,900 + $229,600

$598,500

2014

$12,380 (−1.6%)

$368,900 + $229,600

$598,500

2011

$12,583

$368,900 + $229,600

$598,500

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

0.39 Acres

Year renovated

2005

Sq. Ft.

2,403

Year built

1976

Style

Single Family Residential

County

New London County

APN

1955559

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 14, 2023.

Property details

Around this home

Schools

K - 12
Preschool & daycare

Mystic River Magnet School

Public PreK-5 • Assigned • 1.9mi

4/10

Groton Middle School

Public 6-8 • Assigned • 1.6mi

5/10

Fitch Senior High School

Public 9-12 • Assigned • 1.3mi

7/10

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

$1.33M – $1.61M

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Nearby similar homes

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Finished lower level • Two-bay garage • Outdoor amenities

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2.05 acre lot • 3 garage spots • Built 1968

New listings for sale in 06340

$389,000

4 beds3 baths1,584 sq ft

151 Hynes Ave, Groton, CT 06340

First floor bedroom • I-95 access • Marinas

COMING SOON

$649,900

3 beds2.5 baths2,118 sq ft

2 Fulton Dr, Groton, CT 06340

Thames river views • Private half acre • Open floor plan

$99,900

2 beds2 baths1,015 sq ft

91 Buddington Rd Lot 45, Groton, CT 06340

Laminate flooring • Enclosed porch • Storage shed

$274,900

2 beds1.5 baths1,204 sq ft

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Walk-in closets • $280 HOA • Parking

COMING SOON

$499,000

3 beds2 baths1,670 sq ft

15 Stonecrest Rd, Groton, CT 06340

Covered back porch • Mature trees • Hiking trails

$100,000

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Large deck • Local amenities • Parks

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Open living room • Remodeled kitchen • Back patio

SHORT SALE

$349,000

2 beds1 bath1,372 sq ft

170 Meridian St, Groton, CT 06340

Renovated home • Modern kitchen • Hardwood flooring

$465,000

2 beds2.5 baths1,500 sq ft

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Luxury condominiums • Loft style living • Soaring ceilings

Home values near 4 Neptune Dr

Data from public records.

Address	Redfin Estimate
53 Neptune Dr, Groton, CT 4 Beds \| 4.5 Baths \| 3080 Sq. Ft.	$3,528,087
52 Neptune Dr, Groton, CT 4 Beds \| 3.5 Baths \| 4072 Sq. Ft.	$1,346,486
65 Neptune Dr, Groton, CT 4 Beds \| 4.5 Baths \| 2727 Sq. Ft.	$2,772,336
3 Anchorage Cir, Groton, CT - Beds \| - Baths \| - Sq. Ft.	$793,148
60 Anchorage Cir, Groton, CT 4 Beds \| 3 Baths \| 2614 Sq. Ft.	$934,696
16 Anchorage Cir, Groton, CT 4 Beds \| 2.5 Baths \| 4380 Sq. Ft.	$1,113,734
42 Anchorage Cir, Groton, CT 4 Beds \| 3 Baths \| 3228 Sq. Ft.	$928,206

Address	Redfin Estimate
5 Neptune Dr, Groton, CT 5 Beds \| 2 Baths \| 2056 Sq. Ft.	$1,170,938
32 Neptune Dr, Groton, CT 4 Beds \| 3.5 Baths \| 3877 Sq. Ft.	$1,599,969
29 Neptune Dr, Groton, CT 4 Beds \| 4.5 Baths \| 6031 Sq. Ft.	$4,117,626
3 Halyard Rd, Groton, CT 4 Beds \| 3 Baths \| 3198 Sq. Ft.	$1,416,304
35 Anchorage Cir, Groton, CT 4 Beds \| 3 Baths \| 3021 Sq. Ft.	$1,414,129
127 Colony Rd, Groton, CT 3 Beds \| 2 Baths \| 1664 Sq. Ft.	$647,685
134 Anchorage Cir, Groton, CT 4 Beds \| 2 Baths \| 2707 Sq. Ft.	$801,171

Address	Redfin Estimate
17 Neptune Dr, Groton, CT 5 Beds \| 4.5 Baths \| 3882 Sq. Ft.	$2,266,915
41 Neptune Dr, Groton, CT 4 Beds \| 2.5 Baths \| 3729 Sq. Ft.	$2,225,520
66 Neptune Dr, Groton, CT 4 Beds \| 3.5 Baths \| 3662 Sq. Ft.	$1,433,825
65 Anchorage Cir, Groton, CT 4 Beds \| 4 Baths \| 3540 Sq. Ft.	$1,745,776
25 Anchorage Cir, Groton, CT 3 Beds \| 2.5 Baths \| 2260 Sq. Ft.	$2,302,786
114 Colony Rd, Groton, CT 3 Beds \| 2.5 Baths \| 2100 Sq. Ft.	$779,090
16 Nautilus Rd, Groton, CT 4 Beds \| 4 Baths \| 3436 Sq. Ft.	$1,188,312

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4 Neptune Dr, Groton, CT 06340

About this home

Redfin Estimate

Earn from this home

Market trends in 06340, CT

Sale history for 4 Neptune Dr

Tax history for 4 Neptune Dr

Public record

Property details

Public facts

Around this home

Schools

Lifestyle

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 06340

Home values near 4 Neptune Dr

More real estate resources

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