521 Dunellen Ave Dunellen, NJ $ 489,900
521 Dunellen Ave
$ 489,900
Recently Listed
Open House 11/8 1pm - 3pm
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521 Dunellen Ave

Dunellen, NJ, 08812
$ 489,900
Bedrooms3 Baths1.1

Monthly Estimate*

$ 3,384

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Single Family Home for sale in Dunellen, NJ

for $489,900 with 3 bedrooms and 1 full bath, 1 half bath. This home was built in 1920 on a lot size of 0.17.

Charming Colonial with Classic Character and Spacious Backyard! This inviting 3-bedroom, 1.5-bath Colonial offers a wonderful combination of timeless charm, generous living space, and a convenient location. From the moment you enter, you'll appreciate the beautiful original woodwork, stained-glass accent windows, and traditional staircase that add warmth and character throughout. The main level features a spacious, sun-filled living room, formal dining room, and eat-in kitchen offering ample cabinetry, stainless steel appliances, and direct access to the rear deck. Upstairs, you'll find three bedrooms with hardwood flooring, a dedicated home office, and an updated full bath featuring marble-look tile and a modern vanity. A walk-up attic provides additional storage space, while the full unfinished basement offers a laundry area and plenty of room for storage. Outside, enjoy a spacious, fully fenced backyard with a large deck perfect for outdoor entertaining, along with a long driveway providing ample off-street parking and a 1-car detached garage. Conveniently located near shopping, dining, parks, schools, and commuter routes, this home offers a wonderful opportunity to enjoy comfortable living with classic Colonial charm.

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Open House

11/8/2026 1:00 PM - 3:00 PM
521 Dunellen Ave Dunellen, NJ
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 489,900

Bedrooms

3

Full Bath

1

Half Bath

1

Property Type

Single Family

Taxes

$ 11,001

Style

Colonial

Lot Size

0.17

Year Built

1920

Town/City

Dunellen

County/Region

Middlesex

MLS | Web ID

4062689

Features
Interior
Interior Amenities CODetect SmokeDet TubShowr
Basement Full
Flooring Tile Wood
Total Fireplaces 0
Other Room 1 Level Second
Kitchen Level First
Living Room Level First
Dining Room Level First
In-Law Suite No
Fuel Type Gas-Natural
Half Baths 1
Total Bedrooms 3
Kitchen Dimensions 19x11
Kitchen Features Eat-In Kitchen
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General
Sewer Public Sewer
Heating Baseboard - Hotwater Radiators - Steam
Cooling Attic Fan Ceiling Fan Window A/C(s)
Utilities Electric Gas-Natural
Possession At Closing
Roof Asphalt Shingle
Appliances Cooktop - Gas Dryer Refrigerator Wall Oven(s) - Gas Washer
Water Heater Gas
Garage Spaces 1
Architectural Style Colonial
Year Built 1920
Garage Detached Garage
Township Dunellen Boro
Tax Year 2025
Ownership Fee Simple
Accessibility No
County Middlesex
Total Rooms 7
Full Baths 1
Status Active
Directions Washington Avenue to Dunellen Avenue
High School DUNELLEN
Open Parking Spaces 3
Elementary School J.P.FABER
Tax Annual Amount 11001
Home Warranty Y/N No
Middle/Junior High School LINCOLN MS
Drive Blacktop Driveway-Exclusive
Standard Status Active
Tax Assessed Value 521300
Town # 2103
Tax Lot 6
Primary Style Colonial
Sub Property Type Single Family
Community Living No
Farm Assessment No
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Exterior
Exterior Amenities Deck Open Porch(es) Sidewalk
Pool No
Lot Features Level Lot
Water Source Public Water
Exterior Description Vinyl Siding
Lot Dimensions 50X150
Lot Size Acres 0.17
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* Excluded Features
List By
THOMAS BONIAKOWSKI

Listing Agent

Era Boniakowski Real Estate

Broker

tomboniakowski@eabrealty.com

Email

Affordability Calculator

$4,300
Per Month
79%
21%
0%
Monthly Principal & Interest
$3,384
Monthly Property Taxes
$917
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
291254 Elementary School
289875 Middle School
Dunellen High School High School
Pricing History
DatePricePrice ChangeDescription
11/3/2026$489,900 Listed Price

Map


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521 Dunellen Ave, Dunellen, NJ, 08812 is a Single Family Home for sale at $489,900 with a lot size of 0.17. 521 Dunellen Ave has 3 bedrooms, 1.1 baths, and was built in 1920. The property's zip code is 08812 which is in Dunellen, NJ