ADU Construction Los Angeles
ADU construction services that add real value. Architect-led design, fast-tracked permits, and licensed construction partners — so your project lands on time, on budget, and 100% code-compliant.
Build Smart, Build Legal: ADU Construction Services That Add Real Value
ADU (accessory dwelling unit) construction in Los Angeles represents one of the smartest strategies for unlocking your property's potential, whether you're seeking rental income, creating space for extended family, or boosting your home's long-term value.
Without LADU
Three contracts, no one accountable
- × Coordinate four trades and a permit expediter yourself
- × TBD pricing that drifts $20-40K over the project
- × Weeks lost to "your contractor isn't answering"
- × Surprise change orders for site conditions
- × Average 12-18 months end-to-end with rotating crews
- × You manage every subcontractor
With LADU
One contract, one project manager
- One contract for design, permits, and construction
- Inspection progress reports straight to your dashboard
- Vetted GC partners, in-house project manager
- 8–14 months end-to-end, on-time finish 94% of the time
- 10-year structural + systems warranty
Understanding Types of ADUs for Los Angeles
LADU helps you determine the optimal ADU construction approach based on your zoning, goals, space, and budget.
Not sure what kind of ADU construction is right for your property? Here's a comprehensive breakdown:
Detached ADUs
Standalone units perfect for rental income or guest housing.
Garage Conversions
Transform existing garage space into a livable unit.
Junior ADUs (JADUs)
Compact unit up to 500 sq. ft., located within the main home.
What Is an ADU Building?
An ADU building, or accessory dwelling unit, is a secondary residential structure on a single-family or multifamily lot.
Commonly referred to as granny flats, in-law units, or backyard homes, ADUs can be attached, detached, or converted from existing space.Wondering whether your property qualifies? LADU can help you understand your options.
Steps To Building an ADU in Los Angeles
Understanding the steps to building an ADU helps you plan more confidently. LADU simplifies the entire ADU construction process with a proven, streamlined approach:
Whether you're building an accessory dwelling unit for family use or rental income, LADU makes it simple and stress-free.
Site assessment
We evaluate your property’s zoning, setbacks, and utility access.
Custom ADU Design
Our architects create a tailored plan that meets your goals and city codes.
ADU Building Permit
We submit plans and coordinate with city planners for fast approval.
Construction
Your ADU will be built on time and on budget when you opt for one of our licensed construction partners.
Final inspection
We manage the final walkthrough and ensure your unit is 100% code-compliant.
Potential Challenges in ADU Building
Building an ADU in Los Angeles isn't just about construction; it's about navigating a complex process of zoning, permitting, and inspections. Many homeowners encounter costly delays, design rejections, or construction overages when working with inexperienced contractors or trying to coordinate multiple vendors.
At LADU, we manage every aspect of your ADU construction process. Our architect-led team understands local regulations and handles everything from initial site analysis to arranging construction with a licensed contractor and providing a final inspection, saving you time, money, and stress.
Schedule a free site visit to get started
30 minutes. We walk the property, figure out what's feasible, and answer any questions you have.
Why Choose LADU for Your ADU Project?
We are ADU specialists. LADU is an architect-led ADU company that handles everything from initial design and arranging construction to final inspection.
Our expert team collaborates with you to create a custom built ADU that meets your needs, complies with local codes, and stays within budget.
Architect-led design
Tailored to California ADU construction codes.
Flat-fee design
Predictable design costs and accurate construction estimates upfront.
Faster permits
In-house code expertise turns permit submission into a single sprint.
End-to-end management
One team, one contract, one phone number — high-quality ADUs built to last with premium materials.
In a city with complex zoning regulations and strict building codes, successful accessory dwelling unit construction requires working with a team that understands every nuance of the process.
At LADU, we offer comprehensive ADU construction services through our network of licensed construction partners.
Every ADU construction project is meticulously designed with California building codes in mind from day one, ensuring faster permits, smoother inspections, and guaranteed long-term legal compliance. No surprises. No delays.
Call (213) 855-3334 today to schedule your on-site evaluation and start your ADU construction project.
ADU Construction Cost Insights
The cost of building an ADU varies based on size, design, and site conditions. At LADU, detached ADUs typically range from $150,000 to $300,000+.
We offer full project transparency to eliminate budget uncertainties. Whether you're interested in a garage conversion, a custom ADU, or a larger detached structure, LADU provides a clear path from idea conception to placing the keys in your hand.
Schedule a free site visit to get started
30 minutes. We walk the property, figure out what's feasible, and answer any questions you have.
Construction questions, answered.
What homeowners ask most often before greenlighting their ADU build.
Detached ADUs typically range $240-300 per square foot, varying with size, design, and site conditions. We offer full project transparency and a flat-fee design package, so you have a clear estimate before construction starts.
A licensed engineer on your lot, free.
30 minutes. We walk the property, figure out what's feasible, and answer any questions you have.
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Explore all of our services.
One accountable team for every step of your ADU project — from initial sketches and city permits to financing, construction, and legalization.
ADU Design
Our ADU design team works closely with each client to create adaptable layouts that fit your site, lifestyle, and goals.
Learn more →ADU Building Permits
We manage every ADU building permit, drawing, document, and approval with your city and county — start to finish.
Learn more →Legalizing Unpermitted ADUs
We help you navigate the legalization process for your existing ADU, ensuring compliance and securing permits.
Learn more →ADU Construction
We oversee the full construction process with care, skill, and clear communication, turning your plan into a beautiful ADU.
Learn more →Modular ADUs
Save money and build faster with a modular ADU. Factory-built, site-installed, and ready in months — not years.
Learn more →ADU Financing
We work with multiple ADU-specific lenders so you can find the right financing — HEA, HEI, HELOC, or construction-to-perm.
Learn more →