Build Your Dream ADU in Los Angeles
From design to keys-in-hand, KM Builders delivers exceptional accessory dwelling units. Maximize your property value with a beautifully crafted backyard home.
Why Choose Us
Los Angeles' Premier ADU Builder
With over 150 completed ADU projects across Los Angeles, we have the experience, expertise, and track record to deliver your project on time, on budget, and beyond expectations.
Custom Design
Every ADU is designed to maximize your specific lot. We create floor plans that perfectly fit your property and needs.
Licensed, Insured & Bonded
Fully licensed Class B General Contractor with comprehensive insurance coverage for your peace of mind.
ADU Specialists
Unlike general contractors, we focus exclusively on ADUs. This expertise means faster builds and better outcomes.
Permit Experts
We navigate LA's complex permitting process for you. Our in-house team handles all city approvals and inspections.
On-Time Delivery
Clear timelines with weekly progress updates. Most of our projects complete within 4–6 months from permit approval.
Our Guarantee
Every KM Builders ADU comes with a comprehensive warranty, transparent fixed pricing, and a commitment to on-time delivery.
Our Services
ADU Solutions for Every Property
Whether you want a standalone backyard home, a garage conversion, or a junior ADU, we handle everything from design and permits to construction and final inspection.
Most PopularDetached ADU
Standalone backyard homes up to 1,200 sq ft. Perfect for rental income, multigenerational living, or a private home office.
- Custom floor plans
- Energy efficient
- Full permits included
Best ValueGarage Conversion
Transform your existing garage into a beautiful, fully permitted living space. The most cost-effective way to add an ADU.
- Faster build time
- Full kitchen & bathroom
- Full permits included
Junior ADU (JADU)
Convert part of your existing home into a compact unit up to 500 sq ft. Ideal for aging parents or additional income.
- Minimal site disruption
- Efficiency kitchen
- Separate entrance
Our Process
From Concept to Keys in 5 Simple Steps
We make building an ADU stress-free. Our proven process has delivered 150+ successful projects across Los Angeles.
Free Consultation
Schedule a free site visit. We assess your property, discuss your goals, and provide an initial feasibility analysis.
Custom Design
Our architects create a custom ADU design tailored to your lot, lifestyle, and budget. You approve every detail.
Permits & Approvals
We handle all permitting with the City of LA, including plan check, structural engineering, and Title 24 compliance.
Construction
Our skilled crews bring your ADU to life with quality materials and craftsmanship. Weekly updates keep you informed.
Keys in Hand
We coordinate all city inspections, obtain your Certificate of Occupancy, and hand over the keys to your new ADU.
Client Reviews
Los Angeles Trusts Us to Build Their ADUs
Don't just take our word for it. Here's what homeowners across LA have to say about their KM Builders experience.
"KM Builders transformed our backyard into a beautiful 800 sq ft ADU. Our mother-in-law now lives comfortably just steps away. The team was professional, communicative, and finished on schedule. Highly recommend!"
"I converted my garage into an ADU with KM Builders and now earn $2,800/month in rental income. The permit process was seamless - they handled everything. Best investment I've made in my property."
"We interviewed five ADU builders before choosing KM. Their attention to detail and transparent pricing won us over. Our two-story ADU is the envy of the neighborhood. Worth every penny!"
Common Questions
ADU Questions, Answered
Building an ADU is a big investment. We've compiled a comprehensive guide to answer all your regulatory, cost, and construction questions.
Service Areas
ADU Construction Across Los Angeles
Get Started Today
Ready to Build Your ADU?
Join 150+ Los Angeles homeowners who chose KM Builders. Get a free property assessment and detailed estimate with no obligation.
1-888-807-7775