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290 Mountainside Rd, 
Mendham Boro, NJ 07945

$2,250,000


4

Beds


5

Baths


-

Sq Ft


Single Family

Active

Listed by

Debra Roos Bednarski

Weichert Realtors

908-766-7447

Last updated:

February 22, 2026, 06:54 PM

MLS#

4010829

Source:

NJ GSMLS

About This Home

290 Mountainside Rd

Exceptional, Fully Renovated Colonial in Serene Park-Like Setting. This spectacular 4 Bedroom Custom Colonial was completely renovated and expanded, and meticulously appointed with luxurious custom finishes including hand-hewn beams, reclaimed wide-plank hickory wood flooring, and beautiful stone work. A semi-open floor plan features generously sized rooms bathed in warm natural light, high ceilings and top-of-the-line appliances. The hub of the home is a show-stopping kitchen with all the bells and whistles: custom cabinetry, two large islands, hickory baker's table, dining area overlooking the pool and yard, separate walk-in pantry, sitting area with fireplace, full-size SubZero refrigerator and freezer, and SO MUCH MORE! The second level features a private primary suite with an office, 2 walk-in closets and stunning marble primary bath with radiant heat. Walk-out lower level with second kitchen, full bath, rec room, gym and more. Situated on just over 3 acres and backing up to preserved park land, this home offers a restful retreat with great outdoor space: expansive stone patios, heated salt-water pool and hot tub with waterfall, outdoor gas BBQ, fire pit, gardens and great views. See feature sheet for additional details. A true show-stopper!

Home Facts

Single Family

5 Baths

4 Bedrooms

Built in 1973

Price Summary

2,250,000

MLS #:

4010829

Last Updated:

February 22, 2026, 06:54 PM

Added:

7 day(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

5

Full Bathrooms:

4


Structure

Structure

Architectural Style:

Colonial, Custom Home

Year Built:

1973


Lot

Lot Size (Sq. Ft):

134,600


Finances & Disclosures

Finances

Price:

$2,250,000

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 February 22, 2026

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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.