Room additions in Marina del Rey are governed by LA County (not the City of LA), within the California Coastal Zone, and on premium waterfront property where the investment is easily justified by both home value and rental potential. APLA Construction (CA Lic #1136359) handles Marina del Rey room additions with full LA County Building and Safety and Coastal Zone permit expertise.
Size: 200–400 sq ft. LA County Building and Safety permit plus Coastal Development Permit required for all additions in Marina del Rey (Coastal Zone). Timeline premium vs. non-Coastal: add 3–5 months for CDP processing. Construction quality and materials appropriate for the Marina del Rey premium market.
Size: 350–600 sq ft. Primary bedroom, walk-in closet, spa bathroom with marina-view orientation where possible. Marina del Rey properties command among the strongest primary suite premiums in the South Bay — buyers at the $1.5M–$3.5M price point expect this standard.
Size: 500–1,200 sq ft. Full structural engineering package for LA County. CDP required. Marina del Rey waterfront properties with second-story additions that capture marina or ocean views are among the most valuable renovation investments in the neighborhood.
Single-story rear: $130,000–$260,000. Primary suite: $175,000–$340,000. Second story: $265,000–$520,000+. Marina del Rey runs 35–50% above inland LA addition costs due to LA County/Coastal Zone permitting complexity, Westside labor rates, and premium market quality requirements.
Yes. APLA (CA Lic #1136359) handles Marina del Rey room additions with experience in both LA County Building and Safety and Coastal Zone permitting. Call (818) 818-4419 for a free in-home consultation.
Call: (818) 818-4419
Email: info@aplaconstruction.com
CA General Contractor License #1136359
Room Addition Los Angeles | General Contractor Marina del Rey | Home Remodeling Marina del Rey