For custom home construction and full-scale remodeling in Santee, O'Krey Construction Inc. manages projects from financial planning through final punch-list completion at its Prospect Avenue office. The firm's scope covers subfloor preparation and finish flooring coordinated through suppliers including Village Flooring & Renovations on Magnolia Avenue, alongside structural framing, drywall, and trim carpentry. Custom home projects extend into the eastern foothills near Mission Trails Regional Park, where steep-lot grading and non-standard foundation engineering are routine requirements. HVAC rough-in and duct sizing for new construction tie into the same mechanical trades that serve remodel clients, with load calculations often referenced against systems installed by Allegiance Heating & Air Conditioning elsewhere in the 92071 ZIP. The firm's highest-complexity builds involve hillside single-family residences requiring engineered retaining walls, caisson foundations, and structural steel moment frames rated to California Building Code Seismic Design Category D.