Custom builder in Neptune Beach, Florida

Yes. Neptune Beach 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 Neptune Beach Building Department. Strict city height and lot-coverage limits designed specifically to keep the low beach-town scale. We handle the permit applications and the agency coordination as part of every job.

Dune sand behind the primary dune line, stable enough to build on but unforgiving of poor compaction under a slab. Salt air carries inland across the whole city — fastener and flashing corrosion is the leading cause of premature failure here. Both of those shape foundation, drainage and site work decisions here.

Mostly 1950s beach cottages, second-story additions, small-lot custom homes. Compact mid-century cottages on small lots where owners add a second story rather than move.

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.