Room Additions & Home Expansions in Los Angeles County

Room Additions & Home Expansions in Los Angeles County

When your family grows or your space needs change, adding on is often smarter than moving.

At 911 Construction & Electric Inc., we design and build custom home additions that blend perfectly with your existing structure — expanding your space, comfort, and property value.

From new bedrooms and family rooms to full second-story expansions, our licensed team manages every phase from permits to final paint.

Comprehensive Home Addition Services

We specialize in seamless structural integration and full-service additions.

Our services include:

  • Bedroom and master suite additions

  • Family room and living space expansions

  • Second-story and vertical additions

  • Garage conversions and attached ADUs

  • Kitchen or dining room extensions

  • Structural foundation reinforcement

  • Electrical, HVAC, and Title 24 compliance

Every addition is engineered for safety, functionality, and aesthetic continuity with your existing home.

Why Add On Instead of Moving?

Adding space is often more cost-effective than buying a new property in Los Angeles County.

You can customize your current home to fit your family’s lifestyle while preserving neighborhood familiarity and increasing property value.

Benefits include:

  • No need to relocate or refinance

  • Complete control over layout and design

  • Increased square footage and resale value

  • Energy-efficient construction with Title 24 compliance

Design-Build Approach

Our design-build method streamlines the entire process — one team handles both design and construction.

We coordinate:

  • Architectural design & planning

  • Structural and electrical engineering

  • Permit submission and city approvals

  • Construction management and inspections

This integrated approach reduces cost overruns, shortens timelines, and ensures quality control from start to finish.

Seamless Integration & Finishing

We take pride in building additions that look like they’ve always been part of your home.

Our craftsmen match finishes, rooflines, and materials for a consistent architectural flow — from exterior stucco and windows to interior flooring and lighting.

Expand Your Living Space with Confidence

Contact 911 Construction & Electric Inc. today to schedule a consultation for your home addition or expansion project anywhere in Los Angeles County.

Build more space. Build more value.

Industrial interior with large metal pipes and beams, illuminated by bright lights, creating a complex and futuristic atmosphere.

Get In Touch For A Free Quote

FAQs — Room Additions & Expansions

Most single-room additions take 6–10 weeks. Multi-room or second-story projects may take 3–5 months depending on permits and size.
Yes. We provide full design, engineering, and city permit management in-house for a smooth process.
Absolutely. We replicate your home’s architectural style, finishes, and materials to ensure a seamless, cohesive look.