A custom ADU can be the key to fully utilizing your property. With L Square Construction, we work closely with you to design and build a unique ADU tailored to your needs. If you’re looking for an exclusive design and a hassle-free process, we’re the best choice in Orange County.
Custom ADU Homes – Expert ADU Contractors Los Angeles
Build Your Dream ADU with Trusted Professionals
Accessory Dwelling Units (ADUs) are a perfect way to expand your living space, generate rental income, or create a private home office. At L Square Construction, we specialize in designing and building high-quality ADU homes that increase your property’s value and functionality. Our experienced ADU builders ensure every project is completed with expert craftsmanship and attention to detail.Why Choose Us as Your ADU Contractor?
Custom ADUs offer flexibility to meet your desires and needs. Unlike prefab models, every detail of your ADU will be tailored just for you.
Custom ADU Designs for Your Unique Space
Our ADU builders create personalized designs that fit your property and lifestyle. Whether you need a compact studio or a spacious two-bedroom unit, we ensure a seamless blend with your existing home.
Complete ADU Construction Services
As a full-service ADU construction company, we manage every step of your project, from design and permits to construction and finishing. Our ADU specialists handle the details, so you get a stress-free experience.
Trusted ADU Contractors in Los Angeles
As a leading ADU contractor in Los Angeles, we understand local regulations and secure all necessary approvals. Homeowners looking for ADU contractors near Los Angeles can rely on our expertise for high-quality, efficient builds.
Our Design and Build Process
Explore the step-by-step process we follow to ensure your custom ADU fits your expectations and needs.
Build Your Dream ADU with Experts
Want a high-quality ADU built to fit your space and style? Our experienced team handles everything from design to construction. Get started today—call us now!
Our ADU Construction Services
Custom ADU Design & Planning
Our skilled ADU builders work with you to create a custom design that fits your lifestyle and property layout. Whether you need a detached ADU, garage conversion, or backyard unit, we ensure a seamless design process.
Permits & Approvals
ADU Construction & Quality Craftsmanship
Interior Finishing & Customization
ADU Styles and Options
From modern designs to more traditional options, we offer a wide range of ADU styles for you to choose from.
When building an Accessory Dwelling Unit (ADU), you have a wide variety of design styles and options to choose from, depending on your needs, preferences, and budget. At L Square Construction, we specialize in creating custom ADUs that fit seamlessly into your property while meeting your functional and aesthetic desires. Below are some of the most popular ADU styles and options:
Backyard Cottage
A backyard cottage is a free-standing structure located in your backyard, offering a private living space separate from the main house. This style is ideal for creating an independent unit for guests, elderly relatives, or as a rental property.
Size
Typically between 400 and 1,200 square feet.
Features
Often includes a small kitchen, bathroom, and living area. It can be designed with a traditional or modern style to complement your home.
Ideal For
Rental income, multi-generational living, guest houses.
Garage Conversion
Transforming your garage into an ADU is one of the most cost-effective ways to add living space. This option allows you to make use of existing structures while minimizing construction costs.
Size
Typically between 300 and 1,000 square feet, depending on the size of the original garage.
Features
Can include living areas, a small kitchen, and bathroom. Often features open-concept designs to maximize the space.
Ideal For
Homeowners with an existing garage who want to maximize unused space or generate rental income.
Attached ADU
An attached ADU is a unit built directly onto the main house, often sharing one or more walls with the existing structure. This style is great if you want to maintain proximity to the main house while still having a separate living space.
Size
Varies widely, but typically between 600 and 1,200 square feet.
Features
Offers flexibility in design, with options for multiple bedrooms, a kitchen, and a full bathroom. The layout can range from simple studio units to more complex multi-bedroom apartments.
Ideal For
Additional living space for family members or as a private rental.
Detached ADU (Granny Flat)
A detached ADU is a completely separate building that sits on your property but is not physically connected to the main house. This style offers the highest level of privacy and independence.
Size
Usually ranges from 500 to 1,200 square feet.
Features
Includes full amenities such as a kitchen, living room, and bathroom. This option is often more customizable, offering flexible design choices.
Ideal For
Guests, independent living for older relatives, or as a long-term rental property.
Modern/Contemporary ADU
A modern ADU focuses on sleek lines, open spaces, and innovative design. This style often uses high-end materials like steel, glass, and concrete, and offers a contemporary, minimalist aesthetic.
Size
Varies widely, with most modern ADUs being between 500 and 1,000 square feet.
Features
These ADUs often include large windows for natural light, smart home technology, and eco-friendly materials.
Ideal For
Homeowners looking for a cutting-edge, visually appealing design that stands out.
Traditional ADU
A traditional ADU follows classic architectural styles, often mimicking the design of the main house. This style provides a cohesive look for properties that want to maintain a more uniform appearance.
Size
Typically between 500 and 1,200 square feet.
Features
Traditional ADUs might include a pitched roof, wooden siding, and classic windows. They may have a more cozy and charming feel.
Ideal For
Homeowners who prefer a design that blends seamlessly with the main home and existing neighborhood.
Eco-Friendly ADU
For environmentally conscious homeowners, an eco-friendly ADU incorporates sustainable materials and energy-efficient features to reduce its carbon footprint.
Size
Typically ranges from 500 to 1,200 square feet.
Features
Solar panels, energy-efficient windows, sustainable building materials like bamboo, and rainwater collection systems are common in eco-friendly ADUs.
Ideal For
Homeowners focused on reducing their environmental impact while enjoying all the benefits of a modern living space.
Multi-Story ADU
A multi-story ADU is a two-story unit that offers more space without taking up additional land. This is ideal if you’re working with a limited lot size but need more square footage.
Size
Usually starts at 1,000 square feet and can go up to 1,500 square feet or more.
Features
The lower floor typically includes a kitchen and living area, while the upper floor may contain bedrooms and bathrooms.
Ideal For
Homeowners with smaller lots who need more living space but want to maximize vertical construction.
Customization Options for Your ADU
At L Square Construction, we offer a wide range of customization options to tailor your ADU to your specific needs and preferences. Some of the options include:
Floor Plans
Choose from pre-designed plans or work with our team to create a fully customized layout.
Interior Finishes
From flooring to cabinetry, we offer a wide selection of materials to ensure your ADU matches your style.
Energy Efficiency
We can incorporate energy-efficient systems like solar panels, energy-saving appliances, and insulated windows to reduce your ADU’s environmental impact and energy bills.
Smart Home Technology
Integrate smart devices such as thermostats, lighting, and security systems for a modern, connected home experience.
Choosing the Right ADU for Your Property
Selecting the right ADU style depends on factors like your property’s size, the level of privacy you want, your design preferences, and budget. At L Square Construction, we guide you through the decision-making process, ensuring that you choose the perfect ADU to complement your property while fulfilling your needs.
Affordable ADU Solutions
Cost & Financing Options for Your Custom ADU
Building your dream ADU doesn’t have to be out of reach. At L Square Construction, we offer a range of financing options to fit your budget. From renovation loans to home equity financing, we’ll help you find the best solutions. Let us take the hassle out of your project’s finances so you can focus on creating your ideal space.
Transparent Pricing
We believe in clear pricing. Our detailed estimates cover everything—design, permits, construction, and finishes—so you’ll know exactly what to expect. With our fair pricing and commitment to quality, you can be confident in your investment.
Get a Free Quote
Interested in learning more? Reach out to L Square Construction for a no-obligation quote and take the first step towards your custom ADU!
Building a custom ADU in Orange County is a significant investment, but it can provide exceptional value to your property. The cost to build a custom ADU can vary depending on factors such as size, materials, design complexity, and location. Here’s an overview of the typical costs:
Basic ADU Construction
Starting around $100,000 – $150,000, this includes a standard layout with basic finishes and features.
Custom Designs and High-End Finishes
Prices can go up to $200,000 – $300,000 or more depending on the complexity of the design and premium materials used.
Financing Your Custom ADU
At L Square Construction, we understand that financing an ADU project can seem overwhelming. That’s why we work with trusted local lenders to offer flexible financing options. Some popular options include:
Home Equity Loans
If you have equity in your home, a home equity loan or line of credit (HELOC) can be a great option to fund your ADU project.
ADU-Specific Loans
Some lenders offer specialized loans tailored to ADU construction. These loans may cover everything from design to construction costs.
Government Incentives
In some cases, you may qualify for local or state programs that offer low-interest loans or grants to help fund the construction of an ADU.
We’ll work with you to find the best financing solution for your budget, ensuring your ADU project is within reach.
Contact Us!
Book your meeting and get your custom ADU project started in Orange County
Frequent Answered Questions
A custom ADU (Accessory Dwelling Unit) is a small, self-contained living space built on the same property as a primary residence. Unlike prefabricated or modular units, custom ADUs are designed and constructed to meet the specific needs, style preferences, and functionality requirements of the homeowner. They are built to blend with the existing structure and can be used as a rental unit, guest house, home office, or personal space.
To start a custom ADU project, first, you need to assess your property’s suitability for an ADU. This involves checking zoning laws, building codes, and potential design requirements specific to your location. Next, you should hire an experienced ADU contractor or design-build firm to help with the process. The steps usually involve designing the ADU, obtaining necessary permits, preparing the site, and constructing the unit. Working with a professional team ensures that the project is completed on time, within budget, and according to all local regulations.
The main difference between a custom ADU and a prefab is that a custom ADU is designed and built specifically for the homeowner’s needs and preferences. Custom ADUs allow for more flexibility in terms of design, layout, and materials, giving homeowners complete control over the project. On the other hand, prefab ADUs are factory-built and usually come in pre-designed models. They may be quicker to install but offer less customization. Custom ADUs are typically more expensive but can provide a higher level of personalization and value.
The benefits of a custom ADU include:
Personalization: A custom design allows you to tailor the ADU to your specific needs and preferences.
Increased Property Value: A well-designed custom ADU can increase the overall value of your property.
Additional Income: You can rent out the ADU to generate extra income, helping offset construction costs.
Flexible Use: Whether for guests, as a rental unit, or as an office, custom ADUs provide flexibility for various uses.
Energy Efficiency: Custom ADUs can be designed with the latest energy-efficient materials and systems, reducing utility costs in the long run.
Financing a custom ADU in Orange County can be done through several options, including:
Home Equity Loan or Line of Credit (HELOC): Using the equity in your home as collateral.
Cash-Out Refinance: Refinancing your current mortgage to access extra funds.
Personal Loans: Unsecured loans that may have higher interest rates but can be quicker to obtain.
Construction Loans: A short-term loan specifically for the construction of an ADU, which converts to a mortgage after the project is completed.
Government Programs or Grants: Some local or state programs may offer incentives or loans for building ADUs to address housing shortages. You should check for available funding options in your area.