Offered for only the second time in nearly 130 years, this extraordinary estate presents a once-in-a-generation opportunity to own one of Montclair's most distinguished properties. Set on nearly two private acres atop a rolling hill, the residence seamlessly blends historic grandeur with modern luxury while capturing breathtaking New York City skyline views. A gracious wraparound porch welcomes you into sun-filled interiors showcasing exquisite original millwork, oversized windows, and timeless architectural details. Extensive updates, including a renovated chef's kitchen, updated electrical, plumbing, and HVAC systems, provide modern comfort while preserving the home's character. Designed for elegant entertaining and everyday living, the home offers 9 bedrooms, 5.1 baths, and 2 versatile bonus rooms. Professionally landscaped grounds feature expansive paver patios, a fenced yard, and tranquil green spaces. The beautifully updated 3-bedroom, 1-bath carriage house includes horse stables, a full first-floor garage, and its own private driveway, offering exceptional flexibility with potential to expand for additional living space. A rooftop observatory with the original 1986 telescope offers sweeping panoramic views. Ideally located moments from vibrant downtown Montclair, acclaimed dining, boutiques, theaters, museums, and NYC transportation, this remarkable estate offers an unmatched blend of history, luxury, and opportunity.

Property Details of 30 Mountain Avenue

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Listed by Compass New Jersey,LLC-Montclair / Christine Lane

The data relating to the real estate for sale on this web site comes in part from the Internet Data Exchange Program of the NJMLS. Real estate listings held by brokerage firms other than The Agency are marked with the Internet Data Exchange logo and information about them includes the name of the listing brokers. Some properties listed with the participating brokers do not appear on this website at the request of the seller. Listings of brokers that do not participate in Internet Data Exchange do not appear on this website.

All information deemed reliable but not guaranteed. Last date updated: July 28, 2026
Source: 2026 New Jersey Multiple Listing Service, Inc. All rights reserved.

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