Home additions in Los Angeles represent significant investments. Understanding true costs helps you budget accurately.
Los Angeles Addition Cost Factors
Base Construction Costs (2026)
- Basic construction: $350-$450/sq ft
- Mid-range quality: $450-$600/sq ft
- High-end finish: $600-$850/sq ft
Ground-Floor Addition Costs
- 200 sq ft (bump-out): keywords: ['room addition studio city', 'home addition toluca lake', 'second story addition', 'contractor studio city', 'studio city remodeling', 'toluca lake contractor', 'home expansion san fernando valley'],
},00,000-keywords: ['room addition studio city', 'home addition toluca lake', 'second story addition', 'contractor studio city', 'studio city remodeling', 'toluca lake contractor', 'home expansion san fernando valley'],
},50,000
- 400 sq ft (room): $200,000-$300,000
- 600 sq ft (suite): $300,000-$450,000
Second-Story Addition Costs
- 400 sq ft: $250,000-$350,000
- 600 sq ft: $375,000-$525,000
Get your addition estimate. Call ESV at (818) 883-8753!
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Written & Reviewed by
Ari, Licensed General Contractor
Founder & CEO, ESV Prime Construction Specialists, Inc.
With over 20 years of experience in residential construction across Los Angeles County. Licensed Class B General Building Contractor.
Licensed Contractor20+ Years Experience500+ Projects
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