A1 ADU Contractor
Garage Conversion Experts
Top Choice For ADU building and garage conversion in Los Angeles and San Fernando Valley
5-Star Reviews
Years experience
Clients Serviced
Verified Client Reviews
Adding an ADU felt overwhelming at first, but our A1 ADU Contractor in Sherman Oaks made it feel easy. They communicated clearly and respected our home throughout the process. The crew showed up consistently, even on brisk mornings. The final result is a comfortable, energy-efficient space that stays warm at night and bright during sunny afternoons. Our family absolutely loves it. I highly recommend them to anyone considering an ADU project.
Our experience with an A1 ADU Contractor in Sherman Oaks was honestly refreshing. From the first meeting, they listened to what we wanted and offered practical suggestions. Construction stayed on track despite cooler weather and shorter daylight hours this time of year. The finished ADU looks like it was always part of our home. It’s now a peaceful workspace away from the main house. We’re thrilled with the outcome and highly recommend their services.
Converting the garage into an ADU was a great investment, and this business nailed it. They handled permits, construction, and finishes without me having to chase them around. The new space is cozy, bright, and private.
My garage was just wasted space before this project. The transformation into a livable ADU was done quickly and looks high quality. Every visitor thinks it’s a brand new build, not a conversion.
We are thrilled with the ADU renovation A1 ADU Contractor completed for us. Chris was incredibly knowledgeable and guided us through the whole process seamlessly. The quality of work exceeded our expectations, and we couldn't be happier with our new space!
We wanted a backyard ADU for rental income, and choosing an A1 ADU Contractor in Sherman Oaks was the best move we made. They were patient with all our questions and helped us design something that truly fit our lot. Even after some light winter rain, they kept everything moving smoothly. The craftsmanship is solid and you can tell they care about the details. The space feels modern yet comfortable. We’re beyond grateful and would recommend them without hesitation.
I hired a contractor to build an accessory dwelling unit in my backyard. From the first consultation to the final walkthrough, the team was professional and knowledgeable. They helped design the unit efficiently, handled all permits, and kept the construction site organized and clean. The quality of work exceeded my expectations, and the project was completed on time. I’m extremely happy with the result.
We replaced our roof this winter in Sherman Oaks and couldn’t be happier. The team was respectful, hardworking, and detail-oriented. Even with occasional rain, they stayed organized and careful. Our home feels safer and looks refreshed. We highly recommend them for anyone needing roofing work.
We hired an A1 ADU Contractor in Sherman Oaks to build a detached ADU in our backyard, and the whole experience honestly exceeded our expectations. Even with the cooler winter mornings and a few rainy days, the crew stayed on schedule and kept everything clean and organized. They explained every step in simple terms so we always knew what was happening. The new space feels warm, bright, and perfect for our in-laws. It’s amazing how smoothly everything went from start to finish. We’re so happy with the final result and highly recommend them to anyone thinking about building an ADU.
I recently hired A1 ADU Contractor for a remodeling project at my home in Sherman Oaks and I couldn’t be happier with the results From the initial planning to the final walkthrough the team was professional communicative and detail oriented They truly did an amazing job bringing my vision to life. If you’re looking for a reliable contractor in the Valley I highly recommend them
ADU Builders and Garage Conversion Specialists
A1 ADU Contractor is your local expert in maximizing your home’s potential. From ADU construction to creating the perfect home office, we offer full-service garage transformations across the San Fernando Valley and Los Angeles County. Let’s reimagine your garage together.
Our Values Are:
- Employing highly skilled professionals
- Utilizing premium materials
- Delivering on our commitments
To ensure the quality of our work, garage conversion services are only performed by our team of industry-leading specialists – we never use subcontractors. This guarantees that projects are completed on schedule and to perfection! When it comes to transforming your garage into the space of your dreams, A1 ADU Contractor will make it a reality.
Accessory Dwelling Unit (ADU) Construction
Transforming garages into fully functional living spaces, such as guest houses or rental units, complete with kitchens, bathrooms, and living areas.
Why convert your garage
Maximized Living Space
- Convert existing garage into a livable unit.
- Efficient use of square footage to create multi-purpose areas.
High-Quality Materials
- Use of energy-efficient windows and doors.
- High-grade flooring and fixtures for a polished look.
Complete Customization
- Flexible design options for layout and style.
- Custom cabinetry, lighting, and finishes.
Permitting Assistance
- Navigating city and county building codes.
- Streamlining paperwork and inspections for a hassle-free process.
When you choose our team to convert your garage, we will make your dream come true. We are a team passionate about garage conversions and creating tailored solutions!
Schedule your consultation today!
Why Choose Our ADU Builders
- With all the five-star reviews across our company, we deliver a concierge-level service that exceeds expectations.
- With over 15 years in the industry, we pride ourselves on employing the best installers and using top-quality materials.
- With more than 5,000 completed conversions, we have delivered more projects than any other company in Los Angeles county.
More About Who We Are
A1 ADU Contractor, located in Sherman Oaks, CA, is your trusted partner for transforming underutilized garage spaces into functional, valuable areas for your home. Serving the San Fernando Valley and Los Angeles County, we specialize in a wide range of services, including Accessory Dwelling Unit (ADU) Construction, Home Office Conversions, and Guest Room Additions. Whether you’re looking to create a Recreational Room, an In-Law Suite, or an Additional Kitchen Area, A1 ADU Contractor delivers high-quality craftsmanship. We also offer Yoga or Fitness Studio construction and Art Studios or Workshop conversions, ensuring your garage space perfectly fits your unique needs and lifestyle. Contact us today to schedule a consultation!
ADU Construction: Thinking and Design Process
A1 ADU specializes in Accessory Dwelling Unit (ADU) design and building, turning unused garage spaces into functional, stylish living areas. Our process begins with understanding your needs, whether for rental income, guest space, or family use. We then design a custom layout that optimizes your space, prioritizes energy efficiency, and meets all local building regulations. With high-quality materials and expert craftsmanship, we handle everything from permitting to construction, delivering a finished ADU that enhances your home’s value and fits your unique lifestyle.
The ADU Construction Process
Once the ADU design is authorized, our team proceeds with acquiring the necessary permits to ensure full compliance with local regulations. After permits are approved, we begin site preparation, which may include structural assessments and utility connections. Our skilled builders then transform the garage, framing new walls, installing insulation, and adding windows and doors for optimal functionality and comfort. Plumbing, electrical, and HVAC systems are installed to meet modern standards. Finally, finishing touches like drywall, painting, flooring, and cabinetry bring the ADU to life, resulting in a complete, high-quality living space tailored to your needs.
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Frequently Asked Questions
1. What garage conversion services does A1 ADU Contractor offer in Sherman Oaks and the San Fernando Valley?
A1 ADU Contractor transforms underused garages into fully functional living spaces. The company builds Accessory Dwelling Units (ADUs) with kitchens, bathrooms, and living areas; home offices; guest suites; in‑law suites; yoga/fitness studios; art studios/workshops; and recreation rooms, serving Sherman Oaks Studio City Encino Winnetka and the wider San Fernando Valley.
2. How much does a garage conversion cost in Studio City and Los Angeles?
A basic home‑office conversion starts at about 25,000$,while a high‑end ADU with a full kitchen and bathroom can reach 125,000$ and above. For a Studio City property, typical project ranges are:
| Conversion Type | Estimated Cost |
|---|---|
| Home Office | 25,00045,000 |
| Basic Studio Apartment | 50,00080,000 |
| ADU with Kitchen | 90,000120,000+ |
| Home Gym | 30,00055,000 |
The final price depends on the size, finish level, and whether new utility connections are needed.
3. Does A1 ADU Contractor handle permits for ADU projects in Los Angeles County?
Yes. A1 ADU Contractor manages the entire permitting process. The team prepares permit‑ready construction plans that comply with local zoning and building codes, submits them to the Los Angeles Department of Building and Safety (LADBS), and handles all required inspections. This full‑service approach is available in Sherman Oaks, Encino, Winnetka, Studio City, and throughout Los Angeles County.
4. Which areas does A1 ADU Contractor serve?
The company is based in Sherman Oaks and covers the San Fernando Valley and Los Angeles County. Specific service areas include Glendale, Burbank, Van Nuys, North Hollywood, Reseda, Bel Air, Mission Hills, Sylmar, Pacoima, Sun Valley, Encino, Studio City, Panorama City, Canoga Park, Tarzana, Valley Village, Toluca Lake, San Fernando, Valley Glen, Lake Balboa, Granada Hills, Winnetka, North Hills, and the surrounding region.
5. What is the step‑by‑step process for a garage conversion with A1 ADU Contractor?
Consultation & design – Understand your needs (rental income, guest space, family use) and create a custom layout.
Permitting – Prepare and submit plans to LADBS; secure all required approvals.
Site preparation – Structural assessment, utility connections, and foundation work.
Construction – Framing, insulation, window/door installation, plumbing, electrical, HVAC.
Finishing – Drywall, painting, flooring, cabinetry, and final inspections.
The company uses only in‑house crews, never subcontractors, to keep projects on schedule.
6. What are the top benefits of converting a garage into an ADU in Los Angeles?
Maximised living space – Turn wasted square footage into a usable apartment, office, or studio.
Rental income – In high‑demand areas like Studio City and Sherman Oaks, a completed ADU can generate consistent monthly revenue.
Increased property value – A professionally built ADU often adds more value than the construction cost.
Multi‑generational living – Create a private suite for in‑laws or adult children.
Full customisation – Choose layouts, finishes, and features that match your home’s style.
7. What are common challenges when building an ADU in Winnetka or Sherman Oaks, and how does A1 ADU Contractor solve them?
Limited lot size → Innovative multi‑purpose layouts that maximise every square foot.
Zoning & permit restrictions → Deep knowledge of local codes (Winnetka, Sherman Oaks, LADBS) ensures full compliance.
Utility integration → Seamless design for plumbing, electrical, and HVAC to avoid cost overruns.
Aesthetic mismatch → Designs that complement the existing home and neighbourhood character.
8. Why should I choose A1 ADU Contractor over other ADU builders in the San Fernando Valley?
15+ years of experience and 5,000+ completed conversions – more than any other company in Los Angeles County.
200+ five‑star reviews and a concierge‑level service that handles everything from design to final walk‑through.
No subcontractors – every project is built by the company’s own skilled professionals.
Deep local expertise – the team anticipates LADBS requirements and zoning rules for Sherman Oaks, Encino, Studio City, Winnetka, and the entire San Fernando Valley.
Transparent pricing with no hidden fees and a commitment to on‑time, on‑budget delivery
