Residential and commercial remodeling contractor Kelsey-Colt Construction has operated from La Mesa's Mt Helix area since 1985 under CSLB license B517252. Whole-home renovation projects include vaulted-ceiling conversions, split-level additions, and full kitchen gut-remodels where interior and exterior surfaces require finish work from coating specialists like Procoat Painting San Diego once framing inspections clear. The firm's documented La Mesa portfolio includes a 1951 ranch-style conversion that added 920 square feet of living space, expanding a 1,300-square-foot footprint to 2,300 square feet across four bedrooms and two-and-a-half bathrooms. Subslab plumbing reroutes on slab-on-grade remodels run through drain-clearing contractors such as E-Drains, Inc. for camera inspections before concrete is poured. Highest-tier projects involve load-bearing wall removals requiring engineered steel-beam headers, seismic retrofit hardware, and City of La Mesa structural-plan-check approval.