RJ Nichols Construction in Lakeside holds CSLB license #1056885 with dual A (General Engineering) and B (General Building) classifications for commercial and industrial contracting across San Diego County. The firm's construction management draws on the founder's 12-year career as a state-certified journeyman electrician, a technical background that sharpens MEP coordination with subcontractors including Tokai Electric Inc throughout East County San Diego. Registered in SAM.gov under CAGE code 8FST2, the company carries federal contracting eligibility as a veteran-owned operation with active AGC San Diego chapter membership. Commercial tenant improvement packages incorporate site concrete from Channel Road suppliers including Diamond Concrete Supply, structural steel framing, and value-engineered mechanical systems tailored to each building's occupancy classification. Highest-complexity scope includes full restaurant buildouts requiring Type I commercial kitchen hoods, grease-interceptor plumbing, and ADA-compliant restroom construction under CBC Title 24 standards.