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40 Mountain Ave, 
Mendham Boro, NJ 07945

$599,999

3

Beds

2

Baths

-

Sq Ft

Single Family

Active

Listed by

Ellen Gordon
Coldwell Banker Realty

973-543-2552

Last updated:

January 8, 2026, 04:52 AM

MLS#

4003849

Source:

NJ GSMLS

Company Logo

About This Home

40 Mountain Ave

Bring your vision to this charming cottage-style home nestled on one of Mendham's most iconic streets. Offering the ease of one-floor living, this property sits on a deep, level lot perfect for expansion or creating your dream outdoor space. Located in the two-family zone, the possibilities are endless. Whether you're looking to renovate, expand, or invest, this home provides a rare opportunity in a prime location. Enjoy the convenience of sidewalks leading to town parks, recreation areas, highly rated schools, and quaint local shops. Visit the historic Black Horse Inn for a taste of Mendham's rich heritage. From your front yard, experience the charm and community spirit that make Mendham so desirable.Don't miss this chance to create your perfect home in one of New Jersey's most sought-after towns!

Home Facts

Single Family

2 Baths

3 Bedrooms

Built in 1940

Price Summary

599,999

MLS #:

4003849

Last Updated:

January 8, 2026, 04:52 AM

Added:

3 day(s) ago

Rooms & Interior

Bedrooms

Total Bedrooms:

3

Bathrooms

Total Bathrooms:

2

Full Bathrooms:

2

Structure

Structure

Architectural Style:

Cottage

Year Built:

1940

Lot

Lot Size (Sq. Ft):

37,897

Finances & Disclosures

Finances

Price:

$599,999

40 Mountain Ave
office logo

Ellen Gordon

(973) 543-2552

(973) 543-2552

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. 2026 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 January 8, 2026
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40 Mountain Ave
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Sun, Jan 11
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If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.

Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.