ADU Builder Los Angeles Homeowners Trust
Treat yourself and your backyard to a stunning new ADU, designed, permitted and built by one local team.
Get More Space
As a full-service ADU builder Los Angeles homeowners rely on, we turn unused yard or garage space into a private, livable home.
Increased Property Value
A permitted ADU adds a second home to your lot, which can raise your property value and appeal to future buyers.
Passive Revenue from Rent
Rent your ADU long term for steady monthly income, or keep it for family, guests or a home office.
How Can We Help You?
We are the ADU builder Los Angeles homeowners call for plans, design, full construction or all three. Read more about KN Remodeling.
ADU Plans and Finance
We help you plan your ADU and explore financing options, so the project fits your budget and adds lasting value.
Design
Our designers create efficient, stylish ADU layouts that make the most of your lot and meet local zoning rules.
Construction
As a licensed ADU builder Los Angeles property owners choose, we handle permits, construction and inspections from start to finish.
Your Local ADU Builder Los Angeles Families Trust
KN Remodeling is a licensed, design-build ADU builder Los Angeles homeowners call when they want more space, rental income or a home for family. Based in Woodland Hills, we design, permit and build ADUs across the San Fernando Valley, the Westside, the South Bay and the Conejo Valley.
ADU Types We Build
As a full-service ADU builder Los Angeles property owners can count on, we build four main types of ADUs.
Detached ADU
A standalone backyard home with the most privacy. Learn more
Attached ADU
A full home connected to your house that keeps more of your yard open. Learn more
Garage Conversion
Turn an existing garage into a comfortable, permitted living space. Learn more
Junior ADU
A smaller unit created inside your existing home. Compare ADU vs JADU
How Our ADU Builder Los Angeles Process Works
Free Consultation
We visit your property, check zoning and talk through your goals and budget.
Design and Plans
Our designers create your layout and prepare full construction drawings.
Permits
We submit to the right building department and handle every correction.
Build and Final
One licensed team builds your ADU, passes inspections and hands over the keys.
Why Homeowners Choose KN Remodeling
- One team, start to finish: design, engineering, permits and construction under one contract.
- Licensed and local: a California licensed general contractor that knows LA permitting.
- Proven work: more than 100 completed projects across Los Angeles.
- Transparent pricing: clear estimates and no surprise costs.
- Clear updates: you always know what is happening and what comes next.
Choosing the right ADU builder Los Angeles homeowners can rely on makes the biggest difference in cost, timeline and final quality. California has made ADUs easier to build in recent years, and you can read the state’s rules in the California ADU handbook. For a full breakdown of pricing, see our guide to the cost to build an ADU in Los Angeles.
ADU Builder Los Angeles FAQs
How much does it cost to build an ADU in Los Angeles?
Most ADU projects in Los Angeles range from about $120,000 to $350,000 or more, depending on size, type, site conditions and finishes. We give you a clear estimate after visiting your property.
How long does an ADU take from design to move-in?
Design and permits usually take a few months, and construction often takes several more. Your exact timeline depends on the ADU type, plan check and site work.
Do I need a permit to build an ADU?
Yes. Every ADU needs a building permit. In the City of Los Angeles that goes through LADBS, and cities like Santa Monica or Beverly Hills use their own building departments. We handle the full process for you.
Can I build an ADU and a JADU on the same lot?
On most single-family lots in California, yes. You can often add one ADU and one junior ADU, which gives you two extra living spaces on the same property.
Do you handle design, permits and construction?
Yes. We are a design-build team, so one company manages plans, engineering, permits, construction and inspections from start to finish.
Which areas do you serve?
We build ADUs across Los Angeles, the San Fernando Valley, the Westside, the South Bay and the Conejo Valley. Our locations page lists every neighborhood we serve.
Ready to work with an ADU builder Los Angeles homeowners recommend? Book a free ADU consultation or browse our service areas to find your neighborhood.
Satisfied Clients
Projects Completed
Square Feet
Videos convey experience succinctly.
Explore videos of our ADU construction process and hear heartfelt testimonials from clients about their experiences with our work.
Browse ADU Builder Service Areas by Region
Select your neighborhood to see local ADU rules, project ideas and how KN Remodeling builds in your area.
San Fernando Valley
Los Angeles & Westside
South Bay & Peninsula
Conejo Valley & Ventura County
What Our Clients Are Saying
We are deeply honored by the feedback from our extensive list of over 100+ clients regarding our services.