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$1,899,900
New Listing

1023 Prospect Avenue
Mountainside Boro, NJ 07092

For Sale|Residential|Active
4
Beds
3
Total Baths
3
Full Baths
1962
Built
County:
Union

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COMP PURPOSES ONLY. Perched atop .75 acre, this one-of-a-kind residence showcases spectacular, unobstructed NYC skyline views from nearly every room. A dramatic two-story foyer opens to the living room featuring a gas fireplace and an expansive near floor-to-ceiling bow window framing breathtaking city views. The open floor plan flows seamlessly into the dining room and kitchen with a breakfast bar, stainless steel appliances, and oversized sliders leading to the paver patio perfect for entertaining. The first floor also offers a private bedroom suite with full bath, two additional bedrooms, and hall bath. A striking open spiral staircase leads to the second-floor loft with floor-to-ceiling windows, a built-in bar, and direct access to a private deck provide the perfect setting to relax while taking in the dazzling city skyline. The primary suite features, a walk-in closet with washer & dryer, and a stunning marble bath with dual vanities, jetted tub, and oversized stall shower. A second spiral staircase leads to a third-floor bonus room with even more incredible views. The finished lower level includes a recreation room and 2nd laundry area. Outside, the beautifully landscaped grounds feature a spacious paver patio and a two-car attached garage, all surrounded by the tranquility and privacy of this remarkable property. A rare opportunity to own a truly extraordinary home with unmatched panoramic NYC skyline views.

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Listing Snapshot
Price 
$1,899,900
Days On Site 
0 Days
Bedrooms 
4
Inside Area (SqFt) 
N/A
Total Baths 
3
Full Baths 
3
Partial Baths 
N/A
Lot Size 
0.75 Acres
Year Built 
1962
MLS® Number 
4054466
Status 
Active
Property Tax 
$14,916
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
5 hours agoListing updated with changes from the MLS®
19 hours agoListing first seen on site
General Features
Acres 
0.75
Garage 
Yes
Garage Spaces 
2
Home Warranty 
Yes
Sewer 
Public Sewer
Style 
Colonial
Water Source 
Public
Interior Features
Appliances 
DishwasherDryerRefrigeratorGas OvenGas RangeMicrowaveWasherGas Water Heater
Basement 
Finished
Cooling 
Central Air
Fireplace 
Yes
Fireplace Features 
GasLiving Room
Fireplaces 
1
Flooring 
MarbleTileWood
Interior 
Breakfast BarEat-in Kitchen
Laundry Features 
Laundry Room
Bedroom 1 
Level - Second
Bedroom 2 
Level - First
Bedroom 3 
Level - First
Bedroom 4 
Level - First
Dining Room 
Level - FirstDescription - Formal Dining Room
Kitchen 
Level - FirstDescription - Breakfast Bar, Eat-In Kitchen
Living Room 
Level - First
Loft 
Level - SecondDescription - Loft
Master Bedroom 
Description - Full Bath, Walk-In Closet
Other Room 2 
Level - ThirdDescription - See Remarks
Other Room 3 
Level - BasementDescription - Laundry Room
Other Room 4 
Level - BasementDescription - Rec Room
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Exterior Features
Construction Details 
Stone
Patio And Porch 
Patio
Roof 
Composition
Schools
School District
Unknown
Elementary School
Beechwood
Middle School
Deerfield
High School
Govnr Liv
Listing courtesy of COLDWELL BANKER REALTY

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. 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. Information deemed reliable but not guaranteed. Copyright © 2026 Garden State Multiple Listing Service, L.L.C. All rights reserved.

Neighborhood & Commute
Source: Walkscore
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