Custom ADU Homes in Orange County

Unlock Your Property's Full Potential.

Add Valuable Space with a Custom ADU

Unlock the potential of your Orange County property by adding a custom Accessory Dwelling Unit (ADU). With our comprehensive design-build process, we create self-contained homes that are as functional and beautiful as they are valuable, built with an engineer’s attention to detail. Custom ADU Homes!

Whether you’re creating a private space for family, a dedicated home office, or a high-demand rental unit, our expert team ensures your new ADU is a seamless and valuable addition. We navigate the complexities of local regulations and permitting to deliver a turnkey solution that enhances your lifestyle and property.

Popular Features for Your Orange County ADU

Design your ADU with smart, high-impact features that maximize comfort and functionality.

Smart Compact Kitchen

Enjoy a modern, space-saving kitchen with sleek design, multi-functional appliances, and clever storage—delivering full functionality and style in just 400 square feet, perfect for efficient ADU living.

Private Entrance & Patio

Establish privacy and a true sense of "home" for your ADU with a dedicated entrance and a private outdoor patio space for relaxation or entertaining.

High, Vaulted Ceilings

Make your ADU feel spacious and airy by incorporating vaulted ceilings, which dramatically open up the main living area and maximize the sense of space.

In-Unit Laundry

Add ultimate convenience with a dedicated closet or area for a stackable washer and dryer, a must-have feature for independent living or rental units.

Smart, Space-Saving Storage

Maximize every square foot with clever, custom built-in storage solutions, from integrated shelving to multi-functional cabinetry, keeping the space organized and clutter-free.

Energy-Efficient Systems

Ensure low running costs and year-round comfort with dedicated, high-efficiency mini-split HVAC systems, tankless water heaters, and energy-efficient windows.

An Investment in Your Future, Built with Precision

An ADU is more than just an extra building; it’s a flexible investment in your future. Bring a new level of versatility to your property, creating a space where modern design meets practical application, whether for family, work, or income.

Optimize every corner of your new ADU for comfort and long-term value, from the durable flooring to the quality fixtures. With Tixan Construction, your ADU becomes a meticulously crafted asset, enhancing not only your property but also your possibilities.

Our Straightforward Remodeling Process

We want to learn about your vision and make the journey simple and enjoyable.

1. Initial Consultation

Fill out our contact form to schedule your initial call. We’ll discuss your project goals, ideas, and budget to ensure we are a great fit for your new vision.

2. Detailed Proposal

We collaborate with you on a detailed design and provide a transparent proposal. Every detail is reviewed and perfected together before any construction work begins.

3. Build & Enjoy

Our skilled team brings your vision to life with precision and care. We maintain open communication until you step into your new bathroom.

Find your ADU Construction inspiration

Check out our portfolio to find inspiration for your home.

ADU outdoor patio with seating and garden, ideal for relaxation and entertaining — Beautiful backyard with a built-in seating area, potted plants, and mature trees.

A complete Accessory Dwelling Unit (ADU) built as a home addition, showcasing functional and private living space." — Large house with a garden in the backyard

Custom ADU construction featuring a modern granny flat with a private entrance and landscaped patio area." — Dining room interior in modern urban appartment

ADU Construction backyard with wooden shed and patio furniture. — A well-designed backyard featuring a wooden shed and outdoor dining space, ideal for ADU projects and enhancing property value.

Beautiful ADU construction showcasing contemporary design and quality craftsmanship. — This image features a stylish Accessory Dwelling Unit (ADU) with a large outdoor patio, perfect for relaxing and entertaining.

Modern detached ADU addition, a stylish backyard cottage perfect for a guest suite or rental income in Orange County. — Beautiful backyard of the wooden country house with table for dining

ADU Construction FAQs

How much does it cost to build an ADU in Orange County?

The cost of an ADU depends heavily on size, site conditions, and level of finishes. Projects can range significantly, but typically start in the low-to-mid six figures. We provide a detailed, itemized quote after our site evaluation and consultation.

How long does it take to build an ADU?

From initial design to final move-in, the process for building an ADU in Orange County typically takes 9 to 12+ months. This includes the extensive design and city/utility approval and permitting phase, which can take several months on its own.

Can I build an ADU on my property in Orange County?

Most residential properties in Orange County are eligible for at least one ADU, but specific rules vary by city regarding size, placement, and parking. We will help you verify your property’s eligibility during our initial consultation.

Does Tixan Construction handle all the plans and permits for an ADU?

Yes, we offer a complete turnkey service. We manage everything from the architectural and structural plans to the complex submission and approval process with your local city planning and building departments.