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...
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 Cheryl Cooper Group - Keller Williams Valley Realty 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: December 13, 2025 Source: New Jersey Multiple Listing Service, Inc. “2025 New Jersey Multiple Listing Service, Inc. All rights reserved.”