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Addition Building & Design Inc.

California

ADU Builders, ADU Designers

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Website

https://www.additionbuildingdesign.com/

Addition Building & Design Inc. is a Los Angeles-based design-build firm specializing in residential construction, custom homes, home additions, ADUs, and large-scale renovations. By combining architectural planning, structural design, permitting, and construction management under one roof, the company provides homeowners with a streamlined and fully coordinated building experience.

Their integrated design-build approach is intended to simplify complex residential projects while maintaining clear communication, organized project management, and consistent oversight from concept through completion.

Full-Service Design-Build Construction

Addition Building & Design Inc. operates with a single-point-of-responsibility model, meaning clients work with one coordinated team throughout the entire project lifecycle.

Their services include:

Architectural planning and design
Structural engineering coordination
Permit processing and expediting
Residential construction management
Renovations and additions
ADU and guest house construction
Outdoor living design

This approach helps reduce the challenges homeowners often face when managing separate architects, contractors, and consultants independently.

Custom Home Construction

For clients building new homes, Addition Building & Design Inc. manages every stage of custom residential development.

Their custom home services include:

Ground-up home construction
Custom floor plan development
Modern open-concept layouts
Hillside and difficult lot construction
Fire-resistant construction strategies
Permit coordination and project tracking

The company has experience working with complex Los Angeles site conditions, including sloped terrain and structurally demanding hillside properties that require specialized planning and engineering solutions.

Home Additions and Major Renovations

Addition Building & Design Inc. also specializes in expanding and transforming existing homes through carefully planned additions and remodels.

Their renovation services may include:

Second-story additions
Structural home expansions
Whole-home remodeling
Primary suite additions
Great room expansions
Kitchen remodeling
Bathroom redesigns

Projects are designed with attention to architectural continuity so that new additions integrate naturally with the original structure.

ADU and Guest House Construction

As an experienced ADU contractor in Los Angeles, Addition Building & Design Inc. designs and builds accessory dwelling units that add functionality and long-term value to residential properties.

Their ADU services include:

Detached ADUs
Guest houses
Backyard cottages
Granny flats
Property expansion planning
ADU permit coordination

The company manages both the design and construction process while helping homeowners navigate California’s ADU permitting requirements and zoning regulations.

Outdoor Living and Exterior Enhancements

In addition to interior construction, Addition Building & Design Inc. creates outdoor living environments designed for the Southern California lifestyle.

Outdoor projects may include:

Custom swimming pools and spas
Water features
Covered patios and trellises
Deck construction
Outdoor kitchens and BBQ areas
Fire pits and entertainment spaces

Their design process considers structural integrity, site conditions, and indoor-outdoor flow to create cohesive exterior spaces that complement the home.

A Structured and Transparent Project Process

Addition Building & Design Inc. emphasizes communication, transparency, and organization throughout each project.

Their process focuses on:

Coordinated planning and design
Real-time project oversight
Permit management
Construction scheduling
Client collaboration
Streamlined decision-making

This structured system is intended to help projects move efficiently while minimizing confusion and delays.

Business Hours

Monday: 7:00AM - 7:00PM
Tuesday: 7:00AM - 7:00PM
Wednesday: 7:00AM - 7:00PM
Thursday: 7:00AM - 7:00PM
Friday: 7:00AM - 7:00PM
Saturday: 7:00AM - 7:00PM
Sunday: 7:00AM - 7:00PM

Service Area

Los Angeles CA

Facebook

https://www.facebook.com/AdditionBuildingDesignInc/

https://x.com/mieleusa

YouTube

https://www.youtube.com/@AdditionBuildDesign

Instagram

https://www.instagram.com/additionbuildingdesign

4335, Van Nuys Boulevard, Sherman Oaks Neighborhood Council District, Los Angeles, Los Angeles County, California, 91403, United States

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