About Addition Los Angeles

Expanding homes with craftsmanship, clarity, and care

For over a decade, Addition Los Angeles has specialized in seamless home and room additions designed to enhance how families live. We focus on thoughtful planning, structural expertise, and clean execution to deliver additions that feel natural, functional, and built to last.

Built With Precision

Every addition is engineered to blend safely and seamlessly with your existing home.

Designed for Real Life

We create spaces that feel intentional, practical, and aligned with your daily needs.

  • On-time delivery with transparent communication
  • Creative designs that elevate your home’s functionality
  • Quality craftsmanship backed by 10+ years of experience

our approach

Our strategic approach to exceptional construction projects

Mission Icon

Our Mission

Our mission is to design and build high-quality home additions that enhance comfort, function, and long-term value for families across Los Angeles.

  • Deliver High-Quality Construction
  • Ensure Transparent Communication
  • Promote Sustainable Building Practices
  • Sustainability
  • Construction
Vision Icon

Our Vision

Our vision is to become Los Angeles’ most trusted choice for room additions, second-story builds, and home expansion solutions that elevate everyday living.

  • Develop Smarter, More Efficient Spaces
  • Lead with Innovation & Modern Design
  • Set New Standards in Home Additions
  • Sustainability
  • Construction
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Our Value

We are guided by integrity, craftsmanship, and customer care — ensuring every addition strengthens your home and reflects your lifestyle.

  • Build With Honesty & Reliability
  • Focus on Long-Lasting Results
  • Provide Client-Centered Service
  • Sustainability
  • Construction

Our Features

Thoughtfully engineered additions that elevate comfort, value, and the way you experience your home.

Architectural Additions with Purpose

Every addition we build in Los Angeles is designed to blend seamlessly with your home’s structure—enhancing flow, function, and everyday living comfort.

  • Built to match your home’s style and layout
  • Optimized natural light and space planning
  • Modern, durable materials for long-term performance

Superior Craftsmanship, Built to Last

From framing to finishes, our team ensures every detail is executed with precision. Your addition isn’t just bigger—it’s better, stronger, and more valuable.

  • Skilled craftsmen with years of experience
  • Code-compliant structural reinforcement
  • High-performance insulation & moisture systems

Streamlined, Stress-Free Process

We manage every phase—from planning and permitting to construction—ensuring a smooth experience and predictable timelines for homeowners.

  • Clear timelines & transparent communication
  • Permit handling & compliance assistance
  • Dedicated project manager for every addition

Personalized Support from Start to Finish

We prioritize your vision, your comfort, and your home. Our team stays connected with you step-by-step, making sure you feel confident and informed throughout your addition.

  • One-on-one planning consultations
  • Guidance on materials & finishes
  • Post-project support & satisfaction follow-up

Our Story

Crafting Home Additions That Enhance the Way You Live

For over a decade, Addition Los Angeles has helped homeowners across Los Angeles County transform cramped layouts into beautifully expanded, functional, and modern spaces. Our work blends smart design, structural expertise, and a passion for elevating every property we touch.

  • Over 10 years of dedicated addition-building experience
  • Specialized in room additions, second-story builds & expansions
  • Seamless permits, engineering, design & construction handled in-house
Learn More About Us
Room addition under construction in Los Angeles
Finished room addition interior Los Angeles
10+ Years Experience
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900+

Completed Projects

Our Core Values

Building stronger homes with integrity, craftsmanship, and innovation

At Addition Los Angeles, every project reflects our commitment to excellence. We focus on creating beautiful, long-lasting home additions built on trust, transparency, and superior workmanship — ensuring homeowners receive results that elevate comfort and value for years to come.

Precision Craftsmanship
100%
Transparent Communication
100%
Modern, Efficient Building Practices
100%
What We Do

Expanding Homes With Purpose, Precision & Comfort

At Addition Los Angeles, our work centers around creating meaningful, long-lasting spaces that evolve with your lifestyle. From reimagining underused areas to building full structural additions, we enhance your home with thoughtful planning, modern techniques, and craftsmanship you can trust.

Structural Planning

We analyze your home’s layout to design safe, seamless expansions.

Smart Addition Design

Each design is engineered to improve flow, comfort, and value.

Quality Construction

We build with high-grade materials and dependable craftsmanship.

Start Your Addition Project
Professional home addition planning and design in Los Angeles

Client Experiences

Real voices from homeowners who chose Addition Los Angeles

These stories highlight our dedication to quality, communication, and seamless home addition projects across Southern California.

Home addition client from Pasadena
“Our room addition blends perfectly with the rest of our home. Clear communication and excellent craftsmanship. Addition Los Angeles exceeded our expectations.”

Michael T.

Pasadena, CA
Second-story addition client from Glendale
“Our second-story addition turned out incredible. Organized, fast, and truly skilled. Addition Los Angeles made the process smooth from start to finish.”

Vanessa A.

Glendale, CA
Bathroom addition client from Long Beach
“Our bathroom addition is stunning. The team was professional, respectful, and detail-oriented. Addition Los Angeles delivered beautiful results.”

Alicia G.

Long Beach, CA

Questions About Home Additions?

Clear answers from the experts at Addition Los Angeles

From permitting to timelines, here are the most common questions homeowners ask during the addition process.

How long does a typical home addition take?

Most additions take **8–16 weeks**, depending on size, permits, engineering, and structural requirements. We provide detailed timelines before construction begins.

Do I need city permits for my addition?

Yes — Los Angeles requires permits for structural, electrical, plumbing, and architectural changes. We handle the entire permitting process so homeowners don’t have to.

Can you match the style of my existing home?

Absolutely. Our designers ensure your new room, bathroom, or second story blends seamlessly with your home’s architecture and finishes.

What factors affect the project cost?

Cost depends on square footage, engineering, finishes, access, and utility relocations. We provide transparent, itemized estimates with no hidden fees.

Do you offer design services?

Yes — we provide full **design, architectural, and engineering** services, and we also collaborate with outside architects if preferred.

Will construction disrupt my daily routine?

We minimize noise, dust, and access issues through organized staging and clear communication. Most clients comfortably stay in their homes during construction.

Still have questions? We're here to help.