Whether you’re building a stand-alone ADU or transforming your basement, attic, or garage, our streamlined design-build process ensures that every step of your project is efficient, transparent, and tailored to your unique vision.
We kick off with a free 3D design consultation to develop a customized blueprint that aligns with your budget, lifestyle, and goals. From there, your dedicated project manager handles everything—from permits to materials—ensuring a stress-free experience and a flawless result. Throughout construction, our expert team of ADU builders guarantee top-notch craftsmanship, on-time progress, and full compliance with local regulations.
While our three 3D models showcase the potential of an ADU, they are only the starting point for your vision. Every project we build is a fully custom creation, engineered specifically for your unique property and tailored to your family's needs. We use these designs to spark your imagination, but the final blueprint is built entirely around you.
500 sq ft
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We help homeowners across Southern California transform their property into additional living space, rental income, and long term value through thoughtfully designed Accessory Dwelling Units.
All managed by one experienced team.
Southern California homeowners are discovering that the land they already own holds more potential than they realized.
An Accessory Dwelling Unit, commonly known as an ADU, allows property owners to create a separate living space on their property while increasing property value and flexibility.
Many families build ADUs to create housing for parents, adult children, or guests. Others see the opportunity to generate rental income while making better use of their property.
A well designed ADU can provide
With California encouraging ADU development, more homeowners are choosing to unlock the potential of their property.
Building an ADU requires more than construction.
It requires planning, engineering, permitting, and coordination between multiple professionals.
Mason Master Builders guides homeowners through every phase of the process.
From the first property evaluation to the final inspection, our team manages the project with clear communication and attention to detail.
Our goal is simple.
Build the project correctly, efficiently, and with the quality that homeowners expect.
Mason Master Builders operates under a California General Contractor License and follows all California building codes and Southern California permitting requirements.
Our team manages every stage of the project including
This integrated approach allows projects to move forward smoothly while maintaining high construction standards.
Every property is unique, and different types of ADUs may be appropriate depending on the layout of your lot.
A detached ADU is a separate structure built on the property but independent from the main home.
This option offers maximum privacy and is commonly used as a rental unit or guest house.
A detached ADU is a separate structure built on the property but independent from the main home.
This option offers maximum privacy and is commonly used as a rental unit or guest house.
A detached ADU is a separate structure built on the property but independent from the main home.
This option offers maximum privacy and is commonly used as a rental unit or guest house.
A detached ADU is a separate structure built on the property but independent from the main home.
This option offers maximum privacy and is commonly used as a rental unit or guest house.
Many properties throughout Los Angeles qualify for ADU construction under California state laws.
Several factors are evaluated when determining ADU eligibility including
Mason Master Builders can review your property and help determine what type of ADU may be possible.
Building an ADU involves multiple phases. Our structured process helps ensure projects move forward smoothly.
We begin by reviewing your property layout, zoning requirements, and potential ADU options.
Architectural plans are developed to maximize space, functionality, and compliance with city requirements.
Our team coordinates structural engineering and submits plans to the city for approval.
Once permits are approved, construction begins with experienced builders and project management overseeing every phase.
After inspections are completed and approved, the ADU is ready for occupancy.
High quality construction starts with attention to detail and experienced builders.
Mason Master Builders has completed numerous residential construction projects throughout Southern California including roofing systems, structural improvements, solar installations, and residential upgrades.
Each project is built with the goal of creating a structure that performs well and stands the test of time.
Mason Master Builders proudly serves homeowners throughout Southern California and surrounding communities.
Our team understands the permitting requirements, building codes, and zoning regulations that apply throughout the region.
This local experience allows us to guide homeowners through the ADU process efficiently and professionally.
If you are considering building an ADU, the first step is understanding what your property allows and what options are available.
Our team would be happy to review your property and discuss your goals.
Request a consultation today and begin planning your ADU project with Mason Master Builders.
We understand the latest trends in garage conversions and ADU projects, as well as how to incorporate them into your space in a stunning, versatile, and functional way. With an endless array of materials, colors, hardware, appliances, and fixtures to choose from, our team of expert ADU builders will work with you one-on-one to bring your dreams to life.
Bring your vision to life with customized start-to-finish solutions designed to maximize your space.
Optimize functionality and flow with expertly designed layouts that suit your needs.
Expand your living space with another floor for your office, studio, rental unit, or bedrooms.
Rely on precise, professional plans to guide every detail of your project from concept through construction.
Transform your home to evolve with your needs for a more comfortable and versatile living environment.
Get a detailed price estimate for your garage conversion or ADU.
A garage conversion or Accessory Dwelling Unit (ADU) is the process of transforming a garage into a livable space. This could include converting it into a guest house, rental unit, home office, or extra living area. ADUs often feature their own kitchen, bathroom, and separate entrance.
A garage conversion or Accessory Dwelling Unit (ADU) is the process of transforming a garage into a livable space. This could include converting it into a guest house, rental unit, home office, or extra living area. ADUs often feature their own kitchen, bathroom, and separate entrance.
A garage conversion or Accessory Dwelling Unit (ADU) is the process of transforming a garage into a livable space. This could include converting it into a guest house, rental unit, home office, or extra living area. ADUs often feature their own kitchen, bathroom, and separate entrance.
A garage conversion or Accessory Dwelling Unit (ADU) is the process of transforming a garage into a livable space. This could include converting it into a guest house, rental unit, home office, or extra living area. ADUs often feature their own kitchen, bathroom, and separate entrance.
A garage conversion or Accessory Dwelling Unit (ADU) is the process of transforming a garage into a livable space. This could include converting it into a guest house, rental unit, home office, or extra living area. ADUs often feature their own kitchen, bathroom, and separate entrance.
Let’s bring your dream Garage and ADU's to life. Contact us today for a free consultation!
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