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21 Highland Ave, 
Mansfield Twp., NJ 07840

$415,000

4

Beds

2

Baths

1,820

Sq Ft

Single Family

Coming Soon

Listed by

Joe Sullivan
Coldwell Banker Realty

908-879-4900

Last updated:

October 17, 2025, 03:53 AM

MLS#

3992598

Source:

NJ GSMLS

Company Logo

About This Home

21 Highland Ave

Spacious 4 Bedroom B-Level on serene almost 1 acre property. Located in desirable Diamond Hill neighborhood. Convenient to shopping, restaurants, and Hackettstown..Upper level has Living Room, Dining Room, Kitchen with sliders to deck, Full Bath, and 3 Bedrooms. Lower Level has a Bedroom, Office, Half Bath, Family Room with door to patio, Laundry, Workshop, and access to 1 car Garage. Hardwood under carpet on upper level. Tenant will be out by November 15. Property is located in Mansfield Township with a Hackettstown mailing address. House being sold AS IS, WHERE IS.

Home Facts

Single Family

2 Baths

4 Bedrooms

Built in 1966

Price Summary

415,000

$228 per Sq. Ft.

MLS #:

3992598

Last Updated:

October 17, 2025, 03:53 AM

Added:

4 day(s) ago

Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

2

Full Bathrooms:

1

Interior

Living Area:

1,820 Sq. Ft.

Structure

Structure

Architectural Style:

Bi-Level

Year Built:

1966

Lot

Lot Size (Sq. Ft):

41,817

Finances & Disclosures

Finances

Price:

$415,000

Price per Sq. Ft:

$228 per Sq. Ft.

21 Highland Ave
office logo

Joe Sullivan

(862) 432-1805

(862) 432-1805

Contact
Source:NJ GSMLS
The data relating to real estate for sale on this website comes in part from the IDX Program of Garden State Multiple Listing Service, L.L.C. Real estate listings held by other brokerage firms are marked as IDX Listing. Information deemed reliable but not guaranteed. 2025 Garden State Multiple Listing Service, L.L.C. All rights reserved. Notice: The dissemination of listings on this website does not constitute the consent required by N.J.A.C. 11:5.6.1 (n) for the advertisement of listings exclusively for sale by another broker. Any such consent must be obtained in writing from the listing broker. This information is being provided for Consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties Consumers may be interested in purchasing. Date Last Updated October 17, 2025

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By clicking Contact I agree a Coldwell Banker Agent may contact me by phone or text message including by automated means and prerecorded messages about real estate services, and that I can access real estate services without providing my phone number. I acknowledge that I have read and agree to the Terms of Use and Privacy Notice.