Where We Build

Since 1972, J.A. Long Design Builders has designed and constructed hundreds of custom homes in virtually all areas of Jacksonville and St. Augustine, including Clay County, Duval County, Nassau County and St. Johns County.

On Our Lot

You can find our homes in many prestigious communities such as Eagle Landing, Eagle Harbor, Pablo Creek Reserve, Jacksonville Golf & Country Club, World Golf Village, Pace Island, Paradise Moorings, Orange Park Country Club, The Ravines, Margarets Walk, Romeo Point, and Magnolia Point Golf & Country Club. J.A. Long has several lots and homes now available in many of these great northeast Florida neighborhoods and communities.

On Your Lot

J.A. Long is a premier site specific and waterfront custom home builder serving the northeast Florida real estate market. J.A. Long has many examples of custom homes that were built on difficult sites that show real flair when the home is designed specifically for the site. If you are interested in designing and building a custom home that highlights and enhances the unique features of your property, J.A. Long welcomes the opportunity to earn your business.