Est. 2009
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A
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Construction Group · Woodland Hills
Home Additions
Room Additions

Home Additions

More Space, Seamlessly Built.

When your family grows or your lifestyle changes, a home addition is the ideal solution — giving you the space you need without the disruption of moving. RAA Construction Group designs and builds room additions, master suite expansions, second stories, and attached garage conversions that match your home's existing architecture perfectly.

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What's Included
  • Master suite additions
  • Family room & great room expansions
  • Second story additions
  • In-law suites
  • Attached garage conversions
  • Foundation & structural work
  • Exterior matching & roofline integration
  • Full MEP systems
5.0 · 200+ Reviews · Est. 2009
Our Work
Custom home addition — exterior

Custom home addition — exterior

Planning and construction phase

Planning and construction phase

How It Works
01
Site Assessment

We evaluate your lot, setback requirements, and structural feasibility before proposing a design.

02
Architectural Plans

Our team coordinates full architectural drawings and submits for city approval.

03
Foundation Work

New footings and foundation are poured to code for the new structure.

04
Framing & Envelope

The addition is framed, roofed, and weatherproofed to match your existing home.

05
Interior Completion

All MEP systems, drywall, flooring, and finishes are completed to match or upgrade your existing interior.

FAQ

Common
Questions

Have more questions? Call us at (818) 300-1062 or send us a message.

Room additions typically range from $150–$300 per square foot depending on complexity and finishes.

Yes — we carefully match rooflines, siding, windows, and exterior finishes to create a seamless look.

All additions require building permits. We manage the full permitting process.

Most additions take 3–6 months from permit approval to completion.

Ready to Start?

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Estimate Today