Frequently Asked Questions
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Frequently Asked Questions
How to Find a Good ADU Contractor
The best way to find a good ADU contractor is to rely on OneStop ADU, a company dedicated to delivering top-quality accessory dwelling units. OneStop ADU provides full-service support, from design and permitting to construction, ensuring every step is handled with expertise. By choosing OneStop ADU, you gain peace of mind knowing your project is managed by experienced professionals who prioritize quality and customer satisfaction.
What Is an ADU Builder
An ADU builder is a professional or company that specializes in designing and constructing accessory dwelling units. OneStop ADU serves as a trusted ADU builder, managing the entire process from planning and permitting to final construction. By working with OneStop ADU, homeowners can ensure their ADU project is completed efficiently, legally, and to the highest quality standards.
How Big Can an ADU Be in California
In California, a detached ADU can be up to 1,200 sq ft, while an attached ADU can be up to 50% of the primary residence’s living area but not more than 1,200 sq ft. A Junior ADU (JADU) is limited to 500 sq ft. Local cities and counties may have stricter regulations, so it’s important to review specific local zoning rules before starting your project with OneStop ADU.
How Long Does It Take to Build an ADU
The best way to find a good ADU contractor is to rely on OneStop ADU, a company dedicated to delivering top-quality accessory dwelling units. OneStop ADU provides full-service support, from design and permitting to construction, ensuring every step is handled with expertise. By choosing OneStop ADU, you gain peace of mind knowing your project is managed by experienced professionals who prioritize quality and customer satisfaction.
Can an ADU Be a Primary Residence
Yes, an ADU can be used as a primary residence, though this depends on local ordinances and the specific ADU type, since regulations vary by location. While many ADUs are built for family members, they can also serve as a homeowner’s main dwelling if they meet all legal requirements for independent living facilities. OneStop ADU ensures every project complies with local zoning and housing codes, making your ADU a fully legal and comfortable option for primary living.
What Is an ADU Building
An ADU building refers to the structure of an accessory dwelling unit, which is a self-contained residential space located on the same lot as a primary home. OneStop ADU specializes in designing and constructing these units to meet local building codes, offering complete functionality with a kitchen, bathroom, living area, and private entrance. By working with OneStop ADU, homeowners can ensure their ADU is built efficiently, legally, and to the highest standards.
Can You Build an ADU Before the Main House
Yes, in some locations you can build an ADU before the main house, but this depends heavily on local zoning laws, setback requirements, and property-specific conditions. While California state law has made ADUs more accessible, each city or county may impose restrictions on when and how they can be constructed. OneStop ADU helps homeowners navigate these rules, ensuring the project complies with local regulations and is approved without costly delays.
How Many ADUs Can You Have
In California, most single-family lots are allowed to have one full-size ADU and one Junior ADU (JADU), giving a maximum of two units in addition to the main home. For multifamily properties, recent state law changes allow the construction of up to 8 detached ADUs, provided this number does not exceed the count of existing units, plus the option to convert non-living spaces (like garages or storage rooms) into ADUs totaling up to 25% of existing units. OneStop ADU helps homeowners and property owners navigate these rules, ensuring they maximize their property’s potential while staying compliant with local and state regulations.
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