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Content reviewed by Shiran Levy, Licensed General Contractor (CA #1131088)
Last updated: April 2026
Home additions in LA run $50,000-$700,000 depending on scope; permit approval alone takes 4-12 weeks before the foundation goes in. The process below covers design, structural engineering, permits, foundation, framing, MEP rough-in, finishes, and final inspection.
We explore your addition goals -extra bedroom, sunroom, or expanded kitchen -then craft a design with layout, materials, and finishes.
Outcome:
A tailored plan for your new space.
Buildda evaluates your home's foundation, utilities, and zoning to ensure the addition integrates seamlessly.
Outcome:
A confirmed design ready for construction.
Buildda delivers a detailed contract covering scope, timeline, and costs -labor, materials, and structural work.
Outcome:
A signed agreement to launch your project.
We handle permits and zoning approvals to meet local codes for your addition's size and structure.
Outcome:
Legal clearance to start building.
Buildda preps the site -clearing space, protecting your home, and staging materials like framing and roofing.
Outcome:
A ready foundation for construction.
We build your addition -foundation, framing, walls, and roofing -tying it into your home over 6-12 weeks.
Outcome:
A fully formed, weather-tight space.
Buildda adds interior finishes (drywall, flooring), connects utilities, and ensures it passes inspections.
Outcome:
A polished, code-compliant addition.
We hand over your expanded home with a walkthrough, ready for you to enjoy.
Outcome:
Your bigger, better home, complete!
Let's start with a conversation about your vision and how we can bring it to life.
