Addition Building & Design, inc

A Design-Build Firm



National Award Winning Designs, Highest quality  products & the most skilled craftsmen in Los Angeles

Design/Build

Build stress-free with award-winning designs and quality construction. Share the excitement with loved ones. Explore innovative solutions. Your trusted partner for happy homes. Start building confidently today!

What is Design Build?

Project Management

Trust our team to manage schedules and supervise your project, offering daily updates through our cutting-edge Project Management Software. Stay informed and in control, ensuring a seamless construction experience.

Healthy High-Performance Home Design

Discover our Healthy High-Performance Home Designs, where Permaculture Design seamlessly incorporates health-conscious water, air, and products into every aspect. Explore our website for sustainable living solutions and elevate your home experience.


Permit Expediting - Architectural & Structural Plans

Count on our expert team for streamlined Architectural & Structural Drawings, efficient Permit Expediting, and extensive knowledge in Coastal Commission, Mulholland Corridor, HOA, and HPOZ.

Custom Built Homes

Experience unparalleled luxury with our Custom Built Homes, showcasing award-winning designs, innovative products, and cutting-edge technology.

Additions & 2nd floor add ons

Enhance your living space and increase your home value with our seamless Room Additions. From home primary suites, home offices, in-law suites, craft rooms or just add more space..... customize each addition to meet your specific needs.

If you can dream it...we can build it.


Hillside Expertise

Explore our Hillside Expertise, where our highly experienced team is trained to work safely and efficiently, strictly adhering to all safety protocols. Trust us for expert hillside advice and design.

Major Home Remodels

Embark on a Whole House Remodel journey with our design team, collaborating to achieve the perfect layout and product selection. Drawing on years of experience and inspiration, we bring your vision to life. Be excited about our award winning functional floor plans, kitchens and primary bathrooms.

Outdoor Living Spaces

Experience seamless indoor-outdoor living with our Outdoor Living Spaces, designed to complement Southern California's weather.

ADU (Accessory Dwelling Unit)


Explore our custom ADU designs. Increase your home value with 400sf up to 1200sf allowable ADU building area. Also, investigate the Junior ADU possibility to increase your home value with more square footage.

Fire Resistant Home Design

Discover Fire-Resistant Home Design, where fire-rated building materials seamlessly integrate into homes, ensuring resilience and safety. Explore our website for innovative solutions for creating secure and fire-resistant living spaces.

Feng Shui Design

Elevate your space with Feng Shui Design, ensuring positive energy flow. Collaborate with our team for layouts and product selections aligned with this ancient philosophy. Explore tranquility in design on our website.

Solar Power

Power up your home for years with seamless solar panel installation by Southern California experts at Addition Building & Design. Make the switch to solar energy today for a sustainable future. Explore our website for efficient solutions.

Functional  Designed  Floor Plans

Discover our functional and thoughtfully designed floor plans with wider stairs and hallways, optimize storage space, and provide natural light in all rooms.

Financing

Unlock your dream project with our competitive financing options. As an approved builder for construction loans from leading institutions, we offer attractive rates and flexible terms.

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