Welcome to La Casa Royale (417 Route 9W, Alpine, NJ), a rare opportunity to own a custom-built gated luxury estate that blends timeless elegance with cutting-edge technology. Designed by the owner for his own family, this 10,800 sq. ft. (total) residence offers both grandeur and warmth, with thoughtful details at every turn. From the moment you step into the soaring foyer beneath a sparkling chandelier, you'll feel the craftsmanship and attention to detail. The Smallbone kitchen, fitted with Subzero and Wolf appliances, is a culinary haven, while the expansive dining and living rooms are made for gatherings both formal and casual. This smart home features 7 bedrooms and 6.5 baths, including a primary suite with 16' ceilings, spa-like bath, and multiple walk-in closets. Entertainment is effortless with a movie theater, full bar, wine fridge, home gym, sauna, and steam shower. Outdoors, the property becomes a private resort: a 45' saltwater pool, jacuzzi spa, outdoor kitchen, and Ipe deck all framed by 2.34 acres of mature landscaping and a bocce court & koi pond. Located in prestigious Alpine, just minutes from Manhattan, this estate is the ultimate NYC commuter retreat for professionals and families who love to entertain in style, with nearby hiking trails and scenic lookouts, cycling along iconic Route 9W, and access to Alpine's highly rated schools.

Property Details of 417 Route 9w

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Listed by Keller Williams Valley Realty / Andrew Gangi

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: June 13, 2026
Source: 2026 New Jersey Multiple Listing Service, Inc. All rights reserved.

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