At A1 ADU Contractor, we deliver reliable, fully managed ADU construction services designed to make your project simple, compliant, and stress-free. From initial planning to final completion, we prioritize quality craftsmanship, clear communication, and on-time delivery that enhances your property’s value.
Our garage conversion into a modern downstairs bedroom was handled with absolute professionalism from start to finish. The builders managed all the local authority compliance and insulation work without any hassle on our end. We appreciated the straightforward quote provided upfront which matched the final invoice perfectly. Every crew member respected our property and cleaned up thoroughly at the end of each workday. Our home value has noticeably increased and the room looks stunning.
Turning our unused garage space into a dedicated home gym was effortless thanks to this incredible crew. They provided a detailed fixed price quote right away and started work the following week. The speed of the installation was phenomenal while maintaining top tier quality in every wall and floor finish. Booking was straightforward and communication was always clear. Our morning workout routine is completely transformed for the better.
The ADU conversion in Sherman Oaks was finished exactly on the date promised. I already have a tenant moving in next week and the rental income will easily pay off the entire project in five years.
The ADU conversion in Sherman Oaks was finished exactly on the date promised. I already have a tenant moving in next week and the rental income will easily pay off the entire project in five years.
I needed a heavy-duty home gym in Pasadena. I was highly concerned about the existing foundation supporting heavy Olympic weights. They reinforced the concrete slab and installed premium impact flooring much faster than I originally anticipated. Booking the initial consultation online took five minutes, and the final invoice matched the upfront estimate perfectly.
Working from my dining table was destroying my back. The crew transformed my messy Silver Lake garage into a quiet home office in just three weeks. There were absolutely no hidden fees, just straightforward pricing and workers who showed up at 8 AM sharp every single day.
Getting the plumbing trenched for our North Hollywood garage bathroom was painless. The flat-rate pricing offered upfront gave me absolute peace of mind.
Converting our Encino garage into a studio was incredibly lucrative. The team managed the build perfectly. They passed every local city inspection on the very first try. The transparent payment schedule kept my cash flow entirely manageable while getting the property ready for renters.
Their permitting team got my Burbank garage plans approved by the city in record time without me having to deal with a single piece of red tape.
It turned our underused backyard area into a cozy ADU. The team did outstanding work on the foundation, framing, and interiors. It looks like it’s always been there and we’re already enjoying the extra living space.
We assess your property, discuss your goals, and review potential construction options to ensure a practical, cost-effective approach.
Our team develops a comprehensive construction plan, including material selection, workflow scheduling, and coordination of inspections and subcontractors.
From foundation to final finish, we execute the plan with precision, ensuring structural integrity, aesthetic quality, and full compliance with all codes.
Building an Accessory Dwelling Unit (ADU) is a smart way to expand your property, create rental opportunities, or provide additional space for family, whether you’re near the iconic Hollywood Sign, the scenic hills of Griffith Observatory, or the bustling Santa Monica Pier. However, without experienced construction support, projects can run into delays, budget overruns, or code compliance issues.
At A1 ADU Contractor, we deliver full-service ADU construction solutions that combine quality, efficiency, and reliability. From breaking ground to finishing touches, our team ensures every detail is built to last while matching your property’s unique needs.
A1 ADU Contractor specializes in constructing high-quality ADUs that blend functionality and aesthetics. Our licensed and insured professionals bring years of experience, ensuring every project is executed with precision and care.
We focus on building ADUs that are:
Whether it’s a detached unit, garage conversion, or backyard ADU, our construction team applies proven methods to deliver exceptional results.
Expert construction is essential to achieving a successful ADU. A1 ADU Contractor is fully licensed, bonded, and insured, providing peace of mind throughout your project.
Homeowners trust us because we:
Our reputation is built on craftsmanship, professionalism, and client satisfaction.
A smooth construction project begins with detailed planning. We evaluate:
Ensure a strong, level base for long-term stability
Handle all local inspections and approvals efficiently.
Seamlessly integrate plumbing, electrical, and HVAC systems.
Construct durable frameworks designed to last decades
Complete the unit with attention to design, function, and aesthetic alignment with your property
Innovative layouts that fit your property
Full compliance handled by experts
Reinforced construction methods
Efficient water, electric, and HVAC systems
ADUs that complement your home visually
Every solution is customized to ensure efficiency, durability, and visual appeal.
We’ve successfully built a wide range of ADUs, from backyard units to full garage conversions. Each project begins with careful planning and results in a functional, stylish, and compliant living space.
Before & After Construction Examples:
Clients appreciate A1 ADU Contractor for:
Our consistent 5-star reviews reflect our commitment to delivering superior ADU construction services.
Whether adding a detached unit, converting a garage, or building a backyard ADU, A1 ADU Contractor provides complete construction services tailored to your property, timeline, and goals.
A professionally built ADU can expand your home, create income opportunities, and enhance your lifestyle. Contact A1 ADU Contractor today to schedule your consultation and begin your stress-free ADU construction project.
Call now or complete our online form to get started on your project!
62 reviews
