For sale

$650,000

Est. $4,557/mo —

•

2 ba

•

1,447

sq ft

640 N Avenue Ext, Dunellen, NJ 08812

About this home

Spacious home for sale by owner in Dunellen, New Jersey, offering multiple levels of living space, flexible rooms, and a private outdoor area. The first floor features a spacious kitchen, dining room, living room, and a full bathroom. The second floor includes three bedrooms and another full bathroom. The third level offers an attic that can be used for storage or potentially adapted to suit your needs. The basement includes two additional rooms and a full bathroom, providing extra flexibility for a home office, recreation area, guest space, or storage. The property also features three separate entrances located at the front, side, and rear of the home, along with a fully fenced private backyard that is ideal for entertaining, outdoor activities, or relaxing. A garage provides additional parking and storage convenience. With generous space throughout the home and several versatile areas, this property offers plenty of potential for buyers looking for room to customize and make it their own. For additional information or to schedule a showing, call or text 718-607-6861.

$449Price/Sq.Ft.

Source:FSBO.com#cmuxcd4hk04m3s601uvrnbdl0

Payment calculator

$4,557 per month

Principal and interest$3,636

Property taxes

$829

HOA dues

Home insurance

$92

Utilities

Add

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Around this home

Schools

K - 12
Preschool & daycare

John P. Faber Elementary School

Public PreK-5 • Assigned • 0.3mi

6/10

Lincoln Middle School

Public 6-8 • Assigned • 0.4mi

4/10

Dunellen High School

Public 9-12 • Assigned • 0.4mi

3/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Market insights

640 N Avenue Ext · $650,000

DAYS ON MARKET

The average home goes pending in 70 days.

SALE-TO-LIST

Most homes are selling 1% above list price.

LIST PRICE

Median sale price in this area is $578,103. (11% lower than this home)

PRICE DROP

13% of homes in this area have had a price drop in the past month.

Property details

Sale and tax history for 640 N Avenue Ext

Sale History
Tax History

Date

Event

Price

FSBO.com #cmuxcd4hk04m3s601uvrnbdl0

Oct 7, 2026

Listed

$650,000

$449/sq ft

Public Records

Mar 24, 2022

Sold

$390,000

$270/sq ft

GSMLS #3760175

Mar 18, 2022

Sold

$380,000

$263/sq ft

Feb 11, 2022

Delisted

—

Jan 21, 2022

Listed

$365,000

$252/sq ft

CJMLS #2208755R

Mar 18, 2022

Sold

$380,000

$263/sq ft

Feb 11, 2022

Delisted

—

Jan 21, 2022

Listed

$365,000

$252/sq ft

+18

Great opportunity to purchase a 3 bedroom Colonial home in Dunellen! The property is ready to move into with a lot of potential for any updating and renovating along the way. Features include central/forced hot air, an enclosed porch with heating & cooling, 200 amp electric system, hardwood floors, a finished attic through 3rd bedroom, and driveway with a detached garage. The home is within close proximity to Dunellen train station, downtown stores and restaurants, great for any NYC commuters.

CJMLS #1912876

Mar 22, 2019

Price Changed

$177,600

$123/sq ft

Mar 22, 2019

Sold

$191,000

$132/sq ft

Feb 18, 2019

Delisted

—

Feb 9, 2019

Relisted

—

Feb 6, 2019

Delisted

—

Feb 6, 2019

Price Changed

$186,200

$129/sq ft

Jan 30, 2019

Relisted

—

Jan 29, 2019

Delisted

—

Jan 2, 2019

Listed

$188,100

$130/sq ft

Public Records

Feb 22, 1999

Sold

$115,000

$79/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$9,946 (−7.4%)

$73,100 + $377,900

$451,000

2024

$10,742 (+0.5%)

$73,100 + $333,200

$406,300

2023

$10,688 (−1.9%)

$73,100 + $355,200

$428,300

2022

$10,898 (+31.0%)

$73,100 + $321,600

$394,700

2021

$8,320 (+0.7%)

$73,100 + $321,600

$394,700

2020

$8,263 (+4.7%)

$73,100 + $194,600

$267,700

2019

$7,894 (+16.4%)

$68,900 + $185,500

$254,400

2018

$6,780 (+4.2%)

$68,900 + $185,500

$254,400

2017

$6,506 (+3.8%)

$18,100 + $32,100

$50,200

2016

$6,268 (+4.8%)

$18,100 + $32,100

$50,200

2014

$5,982 (+1.2%)

$18,100 + $32,100

$50,200

2013

$5,909 (+1.4%)

$18,100 + $32,100

$50,200

2011

$5,827 (+2.7%)

$18,100 + $32,100

$50,200

2010

$5,671 (+3.8%)

$18,100 + $32,100

$50,200

2009

$5,463

$18,100 + $32,100

$50,200

Public record

Beds

—

Baths

—

Stories

Lot width

40 ft.

Lot depth

150 ft.

Lot size

5,998 Sq. Ft.

Year renovated

—

Finished Sq. Ft.

1,447

Unfinished Sq. Ft.

—

Total Sq. Ft.

1,447

Year built

1950

Style

Single Family Residential

County

Middlesex County

APN

0300049 00021

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 19, 2026.

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

7/10 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

3/10 Air Factor

2 unhealthy days expected this year, 3 days in 30 years

Provided by First Street

Historical weather

Dunellen, NJ • 08812

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 4.3 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

4.3 hrs

JuneDecember

Provided by Shadowmap

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