More Space Without Moving
Buildda Tip
Before committing to a room addition, check your lot coverage and setback requirements with your local planning department. Many LA-area properties are already close to the maximum allowed lot coverage, which limits how much you can build outward. If your lot is maxed out on the ground, a second-story addition might be your best option - but the existing structure needs a structural evaluation first. We always verify these constraints before starting design work so you do not pay for plans that cannot get permitted.
Licensed General Contractor · CA #1131088 · Founder, Buildda Inc.
Last updated: April 2026. *Warranty terms and coverage vary by project scope and materials. Specific warranty details are provided in your project contract. Photos on this page may include stock or representative imagery. Actual project results vary.
Our Process
We visit your property to assess setback requirements, zoning, lot coverage, and structural feasibility. You learn what is possible on your specific lot before spending money on plans.
Architectural plans are drawn to match your existing home style. A structural engineer designs the foundation and framing. We coordinate both so the addition integrates properly.
We submit plans to your local building department for review. LA-area plan check can take several weeks depending on the jurisdiction and complexity. We handle all corrections and resubmittals.
The foundation is poured and inspected, then framing goes up. This is when the addition takes physical shape. Roof tie-in to the existing structure happens at this stage.
HVAC ductwork, electrical circuits, and plumbing lines are roughed in. Insulation is installed after rough-in inspections pass. This stage involves multiple city inspections.
Drywall, flooring, paint, trim, fixtures, and exterior finishes complete the space. We schedule the final inspection, obtain your certificate of occupancy, and walk you through the finished addition.
Local Expertise
Year-round outdoor living with mild Westside temperatures and excellent natural drainage from elevated position This makes Cheviot Hills ideal for room additions projects.
Room Additions projects in Cheviot Hills typically require permits from Los Angeles Department of Building and Safety. Approval timeline: 2-4 weeks for most outdoor projects. We handle all permits for you.
HOA Note: The Cheviot Hills HOA is active and provides input on exterior modifications, ensuring neighborhood aesthetic standards are maintained.
Cheviot Hills features Spanish revival, Traditional, Some modern homes, primarily from the Primarily 1930s-1960s with modern renovations era. Classic elegance, quality materials
Our room additions designs complement these architectural styles while adding modern functionality and value to your property.
Helpful resources to plan your project
Complete attic conversion guide for California homes. Costs ($30K-150K+), code requirements (ceiling height, egress, Title 24), HVAC options, insulation, and ROI analysis.
10 curb appeal upgrades with real costs for Southern California homes. From $100 quick wins to $15K+ full makeovers. ROI data, budget planning tiers, and permit info included.
FAQ
Related Services
Many Cheviot Hills homeowners combine room additions with these complementary services.
Also providing room additions services in:
Local experts for every corner of Cheviot Hills
Serving zip codes: 90064
Pricing
Typical project range: $50,000 - $700,000
$50,000-$100,000
Best for: Expanding a bedroom, kitchen, or living room by a few feet without a major structural project
$120,000-$250,000
Best for: Adding a bedroom, family room, or home office with its own footprint
$350,000-$700,000
Best for: Homeowners who need to double their living space without expanding the footprint
Prices vary based on project scope, materials, and site conditions.Call (310) 266-5744 for a free estimate.
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Get Started
Ready to start your room additions project in Cheviot Hills? Contact us for a free on-site consultation. We'll assess your property and provide a detailed estimate within 24 business hours.
