Licensed ADU construction company in Orange County
STOP WASTING MONEY ON REMODELS THAT DON’T ADD VALUE
Transform your unused garage into a luxurious, income-generating space—without delays, hidden costs, or cookie-cutter solutions.
As Featured On:
Reimagine Your Garage. Reclaim Your Investment.
Our Services
Your garage is more than a storage room. It’s valuable square footage that could be working for you
At L Square Construction, we specialize in converting garages into high-end ADUs designed for comfort, functionality, and real return on investment.
Custom ADU Homes
ADUs are the future of home living, offering rental income, extra space or a private office
ADU Design Build
Expand your living space, boost property value, and earn extra income with an ADU from L Square Construction
Garage Conversion ADU
L Square Construction specializes in high-quality garage conversion ADUs that add living space, rental potential, or a private office
Backyard Cottage Construction
Looking for a cozy cabin or cottage in Los Angeles?
Granny Flat
We build high-quality granny flats adapted to their needs.
In-law Suite
We design stylish, private spaces to keep loved ones close.
Custom ADU Homes
ADUs are the future of home living, offering rental income, extra space, or a private office. L Square Construction designs and builds custom ADUs to maximize your property’s value and functionality.
ADU Design-Build
Expand your living space, boost property value, and earn extra income with an ADU from L Square Construction. We handle everything from design to construction, ensuring a seamless, high-quality build.
Garage Conversion ADU
ADUs are the future of home living, offering rental income, extra space, or a private office. L Square Construction designs and builds custom ADUs to maximize your property’s value and functionality.
Backyard Cottage Construction
Looking for a cozy cabin or cottage in Los Angeles? LS Construction crafts beautiful, high-quality cottages tailored to your unique needs with expert craftsmanship.
Granny Flat
At LS Construction, we build high-quality ADU granny flats for extra living space, rental income, or family housing. From design to permits, we handle it all — affordable, functional, and tailored to your needs.
In-law Suite
Looking for a house with an in-law suite in Los Angeles? LS Construction designs stylish, private spaces to keep loved ones close.
Interior finishing for garage conversion ADU
At L Square Construction, we believe garage conversions are about more than just structure — the interior finishing is key to creating a warm, functional home. We handle everything from insulation and drywall to lighting, plumbing, and kitchen installations, ensuring your converted garage feels like a true home, not an afterthought.
ADU Construction Company
💭 Imagine What You Could Gain
✅ Boost your property’s value by up to 30%
✅ Generate passive income with a luxury rental
✅ Create a private, comfortable living space for loved ones
✅ Enjoy the benefits of permitted, code-compliant construction
✅ Watch your garage become a space your family actually uses and loves
Our clients see more than just a remodel — they see a lifestyle upgrade.
What's an ADU
An ADU is a secondary and architecturally diminutive unit on a property that already has a primary residential unit. A thoughtfully designed accessory dwelling unit provides extra living space, rental income, or a private retreat. As expert ADU builders in Los Angeles, we craft functional, high-value solutions tailored to your needs.
Custom ADU Homes
Garage Conversion ADU
ADU Design-Build
Our Process
Simple & Stress-Free
We believe that construction should be easy. That’s why we guide you through every step, from concept to completion.
01
Consultation Understanding Your Vision
We create a custom ADU design that fits your needs and budget, ensuring a smooth process as a trusted Los Angeles ADU contractor.
02
Design Custom ADU Plan
Our team designs functional and stylish ADUs, from garage conversions to custom additions, ensuring quality and innovation in Los Angeles.
03
Permits – We Handle the Paperwork
04
Construction – Building Your ADU
Our expert ADU contractors in Orange County, CA, build your ADU with precision, staying on schedule and within budget.
05
Move In Your ADU is Ready
Your new accessory dwelling unit is fully move-in ready, adding comfort, value, and extra living space to your property.
Want the Details?
Learn more about our seamless design and construction process.
Build a Sustainable Future in Your Backyard.
Transform your backyard into an energy-efficient ADU in Los Angeles with smart designs and solar solutions. Our custom ADUs reduce grid dependence while adding functional space and value to your property. Eco-friendly, efficient, and built for the future.
Cutting-Edge Energy Solutions
Innovative designs that reduce your carbon footprint.
Designed for Efficiency
Over 2x more energy-efficient than traditional homes.
Turn Your Backyard into a Profitable ADU!
Expert ADU design and construction services customized to fit your space and lifestyle.
Garage Conversion
Home Conversion
Garage Addition
New Detached ADU
Home Addition
Junior ADU (JADU)
Meet our CEO
Hello, I am Kiko - CEO of L Square...
Kiko brings a unique perspective as a Chinese-American entrepreneur, which enriches the company’s cultural and professional diversity. This background allows her to understand and address the needs of a wide range of clients, offering customized solutions that reflect a deep understanding of different cultural and social perspectives.
The Work We Have Done
Garage to ADU conversions specialists
From design to permits to construction, we handle everything.
Home projects can feel overwhelming, but our expert ADU builders handle everything. From custom ADU designs and securing permits to construction and final touches, we ensure a seamless, stress-free ADU design-build experience in Los Angeles and Orange County.
Home renovations contractors
Your home should reflect your lifestyle and we make that happen.
Every ADU, home addition, or remodel we build is designed to fit your space, style, and needs. Whether it’s a modern rental unit, a cozy in-law suite, or a complete home upgrade, our expert ADU contractors in Los Angeles ensure precision and quality in every project.
Luxury ADU and guest house builders
Built by experts, designed for longevity.
Our team of expert ADU builders includes professionals from top universities like USC, UCLA, and UCI, bringing innovation and expertise to every project. We use premium materials and advanced construction techniques to ensure long-lasting quality in every ADU, home addition, or remodel we build.
Frequently Asked Questions
An accessory dwelling unit (ADU) is a small, independent living space on your property. It’s ideal for rental income, guest housing, or an in-law suite for family members.
Costs vary based on size and design. Our ADU cost calculator provides an estimate, and as a trusted ADU construction company, we offer accurate quotes and financing options.
Yes! A garage conversion ADU is a popular way to add extra living space. As experienced garage conversion builders, we ensure a seamless process from permits to completion.
Use our home addition cost estimator or construction price calculator for an estimate. Our ADU design-build team in Orange County provides customized solutions to fit your budget.
Absolutely! We specialize in ADU projects in Los Angeles and Orange County, creating efficient and stylish living spaces.
A professional ADU contractor in Los Angeles, like LScontractor, ensures compliance with city regulations, high-quality construction, and efficient project management. We handle everything from custom ADU designs in Orange County to final inspections.
Yes! We design and build cabins in Los Angeles and Orange County, as well as backyard cottages for homeowners seeking extra space or rental opportunities.
Yes! Smart home automation reduces energy waste by optimizing lighting, climate control, and appliance usage. Automated schedules and thermostat adjustments can help lower energy bills.
Our systems use encrypted connections, multi-factor authentication, and real-time alerts to protect your home and data. Features like smart locks, motion sensors, and remote monitoring provide additional security.
Yes! Our smart home solutions are designed to be scalable. You can start with basic automation and add features like security upgrades, smart entertainment, or climate control whenever you’re ready.
🚀 Ready to See the Possibilities?
Book your free 15-minute consultation today
We’ll show you exactly how we can turn your garage into a dream space — and avoid the common (and costly) mistakes most homeowners make.
No pushy sales talk. Just expert advice from professionals who’ve completed hundreds of high-end ADU conversions across California.