Preferred Partner
Build with Confidence
Bring your permitted design to life with JSN Construction, our trusted general contractor.
JSN Construction
Clients of Jayzar Designs are encouraged to work with our preferred general contractor, JSN Construction, to bring their designs to life. JSN offers construction expertise and luxury finishes for your space. Our valued business relationship puts our clients’ desires at the forefront of our company model.
License #1020134
$200 credit toward your design project
For a limited time, clients who choose to work with JSN Construction receive a $200 credit toward their Jayzar design project.
Ready to start building?
Book a consultation and we will walk you through design, permitting, and the path to construction.
Build an ADU Los Angeles Homeowners Trust
Deciding to build an ADU Los Angeles property owners can rent, live in, or use for family starts with a clear plan. At Jayzar Designs we guide you through every phase so you know what to expect on cost, timeline, and permits before you commit. Building an ADU in Los Angeles moves through three stages: design (site review, layout, and full drawings to code), permitting (plan submission to your city, often within California 60-day review), and construction (foundation, framing, utilities, and finishes with our build partner JSN Construction, License #1020134). Costs depend most on whether you convert existing space like a garage or build a new detached unit. A garage conversion is usually fastest and most affordable, while a detached ADU gives more size and design freedom. We serve Los Angeles County and the San Fernando Valley, including Sherman Oaks, Encino, Northridge, Van Nuys, Burbank, and Pasadena. Start by booking a free consultation or exploring our pre-designed ADU plans.
Frequently Asked Questions
How long does it take to build an ADU in Los Angeles?
Design and permitting usually take a few months, and construction commonly runs four to eight months depending on size and site. A garage conversion is often faster than a new detached unit.
Where should I start if I want to build an ADU?
Start with a feasibility review. We check what your lot allows, then recommend the ADU type and size that fit your property and budget before drawings begin.
Do I need permits to build an ADU?
Yes. Every ADU in Los Angeles needs approved, code-compliant plans submitted to your local building department. We prepare permit-ready drawings and support you through plan check.
Know your local ADU rules
Before you build an ADU in Los Angeles, it helps to know which rules apply. They come from California state law and your city. The state publishes a statewide ADU handbook, while each LA-area city adds its own zoning, setback, and parking requirements. We design to both so your plans clear plan check the first time.
What affects your ADU timeline and cost
Every ADU in Los Angeles is a little different, and a few factors shape your timeline and budget most. Size and layout drive both design and construction time. Whether you convert a garage or build a new detached unit changes the foundation and utility work involved. Your city review speed and any site challenges, such as grading or sewer connections, can add weeks. Finish choices, from flooring to cabinetry, affect the final cost. We flag these early so there are no surprises, and we design to keep your ADU efficient to build. Knowing these variables up front is the best way to plan a realistic Los Angeles ADU project.
What JSN Construction brings
Licensed & insured
JSN Construction is a licensed California general contractor (License #1020134).
Built to last
High-quality builds with luxury finishes, constructed custom to your approved design.
One accountable team
From your Jayzar design through construction, with a single business relationship start to finish.
$200 design credit
Choose JSN for your build and receive a $200 credit toward your Jayzar design project.
Ready to build?
Start with a permit-ready plan, then bring it to life with JSN Construction.
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