OFF MARKET

Off Market Aug 2022 for $435K

$546,823

Est. refi paymentEst. refi $2,161/mo

•

1,810

sq ft

21 Allison, East Windsor, NJ 08520

About this home

Contemporary style on a PREMIUM LOT in Princeton East. Backs to preserved Open Space and is move in ready for you with lots of curb appeal. This highly sought after model, the largest in the Princeton East development , is located on a beautiful lot and features an open floor plan. Enter into the 2 story foyer. Gleaming hardwood floors on main level and custom lighting throughout. This gorgeous sun-filled 3 bed, 2.5 bath home features a sunken living room with a large picture window. The large formal dining room flows seamlessly into the spacious eat in kitchen. The gourmet kitchen features a breakfast bar, granite counters, upgraded 42” cabinets , custom backsplash, stainless steel appliances and a corner window over- looking the very private backyard. The adjacent Family room has Anderson sliders doors leading to a large patio area. Plenty of room for sharing and preparing meals with family and friends. Upstairs you will find an enviable Master suite with a sparkling renovated full bathroom. Two more spacious bedrooms and another renovated bathroom complete the second floor. The professionally landscaped yard is Fully Fenced. Freshly painted in neutral colors throughout. All windows have been replaced. Separate laundry room. The attached garage is perfect for extra storage, workshop area, or gym. Continue to entertain outside with private tree lined back drop. Shed. No Association Fee. Recreation areas include tennis and play area. Ideal location close to the newly widened Turnpike, major highways, public transportation, shopping, parks, restaurants and library. This home feels modern and fresh. Perfect for todays living.

TownhomeProperty Type

1987Year Built

4,791 sq ftLot Size

$302Est. Price/Sq.Ft.

1 garage spacesParking

Listed by Cheryl Washington • Keller Williams Real Estate - Princeton

•609-987-8889 (broker)

•irene@kwempower.com (broker)

Bought with Non Member NON MEMBER • Non Subscribing Office

•844-552-7444 (broker)

•datacorrect@brightmls.com (broker)

Redfin checked: 3 minutes ago

•Source:BRIGHT MLS #NJME2018424

$563,188

Updated Aug 21, 2026

Based on recent home sales selected by the homeowner.

SOLD AUG 18, 2025
47 Geraldine Rd, East Windsor, NJ 08520
$476,000 Last sold price
A
3 beds2 baths1,436 sq ft
47 Geraldine Rd, East Windsor, NJ 08520
SOLD JUN 25, 2026
65 Allison Rd, East Windsor, NJ 08520
$535,000 Last sold price
B
3 beds2.5 baths1,700 sq ft
65 Allison Rd, East Windsor, NJ 08520
SOLD DEC 1, 2025
15 Brownstone Rd, East Windsor, NJ 08520
$650,000 Last sold price
C
3 beds2.5 baths1,748 sq ft
15 Brownstone Rd, East Windsor, NJ 08520
SOLD JUN 30, 2026
18 Geraldine Rd, East Windsor, NJ 08520
$550,000 Last sold price
D
3 beds2.5 baths1,810 sq ft
18 Geraldine Rd, East Windsor, NJ 08520
SOLD NOV 14, 2025
17 Winchester Dr, East Windsor, NJ 08520
$520,000 Last sold price
E
3 beds2.5 baths1,425 sq ft
17 Winchester Dr, East Windsor, NJ 08520

Redfin Estimate

$546,823

$112K since sold in August 2022$3,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.7% higher than the average sale price ($513K) of 6 comparable homes.

SOLD DEC 9, 2025
$585,000
A
3 beds2.5 baths1,784 sq ft
30 Frost Ln, East Windsor, NJ 08520
SOLD AUG 26, 2026
$435,000
B
3 beds2.5 baths1,691 sq ft
29 Allison Rd, East Windsor, NJ 08520
SOLD JUN 30, 2026
$550,000
C
3 beds2.5 baths1,810 sq ft
18 Geraldine Rd, East Windsor, NJ 08520
SOLD JUN 13, 2026
$515,775
D
3 beds2.5 baths1,700 sq ft
98 Winchester Dr, East Windsor, NJ 08520
SOLD JUL 9, 2026
$455,000
E
3 beds2.5 baths1,564 sq ft
21 Evergreen, East Windsor, NJ 08520
SOLD JUN 25, 2026
$535,000
F
3 beds2.5 baths1,700 sq ft
65 Allison Rd, East Windsor, NJ 08520

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Earn from this home

Sell

$192,351

Est. take-home

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Refinance

Est. cash available

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Rent

$2,920/mo

Redfin rental estimate

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Market trends in 08520, NJ

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.0%

0.1% MoM

Median sale price

$456K

$9K MoM

Avg. days on market

41d

0 days MoM

Recently sold homes

7 MoM

New listings for sale

$429,000
3 beds2.5 baths1,620 sq ft
460 Fairfield Rd, East Windsor, NJ 08520
(609) 459-5100
OPEN TODAY, 1:30PM TO 4PM
$669,000
4 beds2.5 baths2,011 sq ft
154 Oak Creek Rd, East Windsor, NJ 08520
(609) 716-8400
$729,000
6 beds3 baths— sq ft
135-137 N Academy St, Hightstown, NJ 08520
$365,000
2 beds1.5 baths1,310 sq ft
46-46 Bennington Dr Unit DR, East Windsor, NJ 08520
(856) 321-1212
$495,000
3 beds1.5 baths1,388 sq ft
104 1st Ave, Hightstown, NJ 08520
(215) 968-7400
$859,000
4 beds2.5 baths2,160 sq ft
42 Stonehedge Dr, East Windsor, NJ 08520
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OPEN TODAY, 11AM TO 2PM
$349,000
2 beds1.5 baths1,164 sq ft
6 Wellington, East Windsor, NJ 08520
(866) 201-6210
$799,000
5 beds2.5 baths2,819 sq ft
15 Wayne Way, East Windsor, NJ 08520
(908) 782-6850
$775,000
3 beds2.5 baths2,142 sq ft
218 Maxwell Ave, Hightstown, NJ 08520
(609) 459-5100
OPEN TODAY, 12PM TO 2PM
$817,000
4 beds2 baths2,226 sq ft
13 Jeffrey Ln, East Windsor, NJ 08520
(866) 201-6210
See all

Provided by Redfin

Sale history for 21 Allison

Date

Event

Price

BRIGHT MLS #NJME2018424

Aug 26, 2022

Listing Removed

—

Aug 25, 2022

Sold

$435,000

$240/sq ft

Jun 24, 2022

Contingent

—

Jun 17, 2022

Listed

$399,000

$220/sq ft

BRIGHT MLS #NJME2018376

Jun 17, 2022

Listing Removed

—

Jun 16, 2022

Relisted

—

Jun 16, 2022

Relisted

—

Jun 16, 2022

Listed

$399,000

$220/sq ft

Jun 16, 2022

Listing Removed

—

Jun 16, 2022

Listing Removed

—

BRIGHT MLS #NJME102498

Apr 25, 2007

Sold

$294,000

$162/sq ft

Mar 15, 2007

Listing Removed

—

Feb 10, 2007

Listed

$294,000

$162/sq ft

Well maintained, beautiful 3 bedroom/2.5 bath/1 car garage outstanding Dunhill model in a quiet Princeton East neighborhood. Brand new roof, paved front walkway, Ceramic tiles in foyer & kitchen, sunken living room, new hardwood floor in living and dining rooms, pergo floor in family room, Anderson sliding door to the fenced private backyard with a storage shed and patio for outdoor entertaining, new stainless refrigerator and all new appliances. NO association fee, convenient to shopping centers, movie theatre, parks and restaurants. Close to Princeton Junction train station and bus stop to NYC. Easy accessibility to major highways including NJTP, I-95, I-295, Rt. 130 and Rt. 33.

BRIGHT MLS #NJME243524

Feb 9, 2007

Listing Removed

—

Oct 20, 2006

Listed

$299,900

$166/sq ft

BRIGHT MLS #NJME221622

Aug 22, 2006

Listing Removed

—

Feb 22, 2006

Listed

$319,900

$177/sq ft

Public Records

Dec 22, 2003

Sold

$240,000

$133/sq ft

BRIGHT MLS #NJME167426

Nov 3, 2003

Listing Removed

—

Oct 22, 2003

Listed

$240,000

$133/sq ft

Public Records

Aug 31, 1998

Sold

$128,000

$71/sq ft

BRIGHT MLS #NJME272612

May 24, 1998

Listed

$128,000

$71/sq ft

Public Records

Feb 27, 1987

Sold

$108,000

$60/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$8,882 (+0.8%)

$94,800 + $142,000

$236,800

2024

$8,809 (+5.6%)

$94,800 + $142,000

$236,800

2023

$8,340 (+3.3%)

$94,800 + $142,000

$236,800

2022

$8,073 (+0.7%)

$94,800 + $140,500

$235,300

2021

$8,014 (−0.1%)

$94,800 + $140,500

$235,300

2020

$8,024 (+0.9%)

$94,800 + $140,500

$235,300

2019

$7,951 (+1.3%)

$94,800 + $140,500

$235,300

2018

$7,847

$94,800 + $140,500

$235,300

2017

$7,840 (+1.4%)

$94,800 + $140,500

$235,300

2016

$7,729 (+3.2%)

$123,300 + $112,000

$235,300

2014

$7,489 (+1.7%)

$123,300 + $112,000

$235,300

2013

$7,363 (+2.9%)

$123,300 + $112,000

$235,300

2012

$7,153 (+3.6%)

$123,300 + $112,000

$235,300

2011

$6,901 (+2.8%)

$123,300 + $112,000

$235,300

2010

$6,715 (−0.2%)

$123,300 + $112,000

$235,300

2009

$6,729

$123,300 + $112,000

$235,300

Tax history for 21 Allison

Year

Property tax

Land + Additions

Assessment*

2025

$8,882 (+0.8%)

$94,800 + $142,000

$236,800

2024

$8,809 (+5.6%)

$94,800 + $142,000

$236,800

2023

$8,340 (+3.3%)

$94,800 + $142,000

$236,800

2022

$8,073 (+0.7%)

$94,800 + $140,500

$235,300

2021

$8,014 (−0.1%)

$94,800 + $140,500

$235,300

2020

$8,024 (+0.9%)

$94,800 + $140,500

$235,300

2019

$7,951 (+1.3%)

$94,800 + $140,500

$235,300

2018

$7,847

$94,800 + $140,500

$235,300

2017

$7,840 (+1.4%)

$94,800 + $140,500

$235,300

2016

$7,729 (+3.2%)

$123,300 + $112,000

$235,300

2014

$7,489 (+1.7%)

$123,300 + $112,000

$235,300

2013

$7,363 (+2.9%)

$123,300 + $112,000

$235,300

2012

$7,153 (+3.6%)

$123,300 + $112,000

$235,300

2011

$6,901 (+2.8%)

$123,300 + $112,000

$235,300

2010

$6,715 (−0.2%)

$123,300 + $112,000

$235,300

2009

$6,729

$123,300 + $112,000

$235,300

*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

2.5

Stories

Lot width

47 ft.

Lot depth

104 ft.

Lot size

4,791

Year renovated

—

Sq. Ft.

1,810

Year built

1987

Style

Townhouse

County

Mercer County

APN

0100053 0300014

Parking Spaces

Basement

Accessible

HOA Dues

—

Garage

Yes

Features

—

Last updated by owner on May 25, 2023.

Property details

Parking

Parking Information
# of Attached Garage Spaces: 1
Garage Features: Garage - Front Entry
# of Total Garage and Parking Spaces: 1
Has Garage
# of Garage Spaces: 1
Attached Garage

Interior

Bedroom Information
# of Bedrooms On 1st Upper Level: 3

Bathroom Information
# of Bathrooms (Full) On 1st Upper Level: 2
# of Bathrooms (Half) On Main Level: 1
# of Bathrooms (Full) On All Upper Levels: 2
# of Bathrooms (Half): 1
# of Bathrooms (Full): 2

Interior Information
Appliances: Dishwasher, Dryer, Oven/Range - Gas, Refrigerator, Washer, Water Heater
Flooring Type: Wood, Carpet
Living Area Sq.Ft. Source: Assessor
Wall & Ceiling Types: Cathedral Ceilings

Room Information
# of Rooms: 8
Living Room, Dining Room, Master Bedroom, Bedroom 2, Bedroom 3, Kitchen, Family Room, Foyer, Laundry, Master Bathroom
Laundry Type: Upper Floor

Basement Information
Basement: No

Exterior

Property Information
Total Below Grade Sq. Ft.: 0
Ownership Interest: Fee Simple
Year Built Source: Estimated

Building Information
Construction Materials: Vinyl Siding
Foundation Details: Slab
Other Structures: Above Grade, Below Grade
Outdoor Living Structures: Patio(s)
Roof: Shingle
Structure Type: Semi-Detached

Lot Information
Lot Features: Front Yard, Rear Yard
Lot Size Dimensions: 0.00 x 0.00
Lot Dimensions Source: Assessor
Tidal Water: No

Above Grade Information
Finished Sq.Ft.: 1,810
Finished Sq.Ft. Source: Assessor

Below Grade Information
Unfinished Sq.Ft. Source: Assessor
Finished Sq.Ft. Source: Assessor

Financial

Tax Information
Tax Assessed Value: $239,100
Tax Year: 2021
Tax Annual Amount: $8,013

Assessments Information
Year Assessed: 2021

Utilities

Utilities Information
Central Air
Cooling Type: Central A/C
Cooling Fuel: Natural Gas
Forced Air
Heating Fuel: Natural Gas
Hot Water: Electric
Sewer Septic: Public Sewer
Cable TV
Water Source: Public

Location

School Information
School District Name: EAST WINDSOR REGIONAL SCHOOLS
School District Source: Listing Agent

Location Information
Cross Street: WESTFIELD
Directions: Rt 130 to Dutch Neck Rd to Westfield to Allison Rd
Municipality: EAST WINDSOR TWP

Public facts

Beds: 3
Baths: 2.5
Sq. Ft.: 1,810
Stories: 2.0
Parking Spaces: 2
Basement: No
Accessible: No
Lot Size: 4,791 square feet
Style: Townhouse
Year Built: 1987
Year Renovated: —
County: Mercer County
APN: 0100053 0300014
HOA Dues: —
Garage: Yes
Features: —

Home facts updated by owner on May 25, 2023

Around this home

Schools

Walter C. Black Elementary School

Public K-2 • Assigned • 0.3mi

Melvin H Kreps School

Public 6-8 • Assigned • 1.4mi

6/10

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

6/10 Heat Factor

7 days above 101° expected this year, 15 days in 30 years

6/10 Wind Factor

27% chance of strong winds in next 30 years

4/10 Air Factor

5 unhealthy days expected this year, 7 days in 30 years

Provided by First Street

Historical weather

East Windsor, NJ • 08520

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

8.7 hrs

4.4 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$520,000 – $629,000

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Home values near 21 Allison

Data from public records.

Address	Redfin Estimate
17 Allison Road, East Windsor, NJ 3 Beds \| 2.5 Baths \| - Sq. Ft.	$494,084
9 Allison Road, East Windsor, NJ 3 Beds \| 2.5 Baths \| 1800 Sq. Ft.	$547,644

Address	Redfin Estimate
15 Allison Road, East Windsor, NJ 3 Beds \| 2.5 Baths \| 1438 Sq. Ft.	$483,094
31 Allison Road, East Windsor, NJ 3 Beds \| 2.5 Baths \| 1561 Sq. Ft.	$485,838

Address	Redfin Estimate
11 Allison Road, East Windsor, NJ 3 Beds \| 2.5 Baths \| 1810 Sq. Ft.	$550,935
29 Allison Road, East Windsor, NJ 3 Beds \| 2.5 Baths \| 1691 Sq. Ft.	$496,429

Property information provided by BRIGHT MLS when last listed in 2022. This data may not show owner updates. Learn more.

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