Custom builder in Riverside, Florida

Yes. Riverside is inside our regular working area from Keystone Heights — we cover all of Duval County and the 6 neighboring counties we serve. Call (352) 478-6112 and we'll come walk the property.

City of Jacksonville, with Historic Preservation Commission review. The Riverside-Avondale historic district means exterior changes go through the Historic Preservation Commission before any permit issues. We handle the permit applications and the agency coordination as part of every job.

Old river-terrace ground with a century of buried utilities, brick foundations and prior additions under the yard. Close enough to the St. Johns that basements do not exist and crawlspace moisture is the standing structural problem. Both of those shape foundation, drainage and site work decisions here.

Mostly 1900s-1920s frame homes, brick bungalows, converted commercial storefronts. Pre-war frame and masonry houses on piers, often with knob-and-tube remnants, balloon framing and no meaningful insulation.

Yes — Keystone Custom Builders holds Florida Certified Building Contractor licence CBC1265492, which covers residential and light commercial construction statewide, and we carry general liability and workers' compensation coverage.