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ADU Construction in Los Angeles & Orange County

ADU Construction in Los Angeles & Orange County

If you own a single-family residential lot in Los Angeles or Orange County and want to add usable space or rental income, building an Accessory Dwelling Unit (ADU) is one of the fastest ways to do it.

An ADU isn’t defined by how it’s built but by its purpose as a secondary housing unit on a residential lot. Whether it’s a brand-new detached backyard unit, a garage conversion, or an attached addition, it all falls under the same category — and RD Fast Construction builds all three.

An ADU project touches nearly every trade: design, permitting, foundation, framing, plumbing, electrical, HVAC, and finishes. At RD Fast Construction, our team manages the entire process in-house, from the first sketch to the final inspection, so you don’t have to coordinate multiple contractors yourself.

With that in mind, trust RD Fast Construction for your next ADU project in Los Angeles or Orange County — detached, converted, or attached.

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A SOLUTION FOR EVERY BUILDING DESIRE

Benefits of Building an ADU in Los Angeles & Orange County

Add Value to Your Property

If you’re looking to sell your property in the future, building an ADU will enhance its value and demand in the property market. The investment you need to develop an ADU is relatively small compared to the value you will drive from the addition.

A property buyer may be attracted to a home with a secondary housing unit because of the prospect of generating income from the ADU.

Privacy

If you love hosting family and friends, and your home doesn’t have enough space, an ADU is a perfect solution. More importantly, it allows your guests to be near you while maintaining privacy. The secondary living unit also provides extra space for guests to be alone—if need be—during their visit.

Perfect Space for Adult Children and College Graduates

A turbulent economy has forced many ‘young millennials’ to return to their parent’s homes after graduation. The skyrocketing rent prices and job instability doesn’t make it easy for young adults to find a home they can afford.

An ADU is an affordable way to help your kids get on their feet on the ground while living under your roof.

Affordable Development

An ADU uses existing infrastructure such as land, water, energy, and structured parking. As a result, your home gets an additional unit at a fraction of the standard cost.

Ultimate Home Office

An ADU can be a perfect home office if your job allows you to work from home. It can also serve as space for your mental health. Whether you want to meditate or practice yoga, ADU is secluded, creating tranquility and peace.

Request a Free ADU Consultation Today

Construction Process of an ADU

Make Plans

First, we’ll assess your unique needs and wants. Next, our ADU contractors will take a closer look at your property and design an ADU plan within your budget and personal taste. For instance, a detached ADU is ideal for generating extra rental income.

When making plans for an ADU, we consider the following;

  • Your budget
  • Available space
  • Timelines for the project
  • Suitability of the ADU to the end user—for instance, a backyard ADU is ideal for an elderly family member.

Acquisition of Permits

We’ll submit the plans in pursuit of approval and permits from the city or state authorities. Submission and approval of permits precede the construction process. As we draft the project timelines, we consider possible delays arising from corrections and adjustments linked with the process.

Site Preparation

We’ll begin the construction phase after getting all the permits we need. Some activities required for site preparation include demolition, clearing, and grading. If need be, we’ll excavate the underground soil before laying the foundation.

Framing

Framing involves building walls, roofing, windows, and doors. It also involves setting up joists and exterior detailing.

Setting up ADU Amenities

We’ll set up or install internal amenities like electrical and plumbing connections. We’ll also set up crucial mechanical systems like heating and air conditioning.

Interior Finishing

Once the necessary amenities are set up, we begin interior finishing, which includes insulation, drywall installation, tiling, and installation of light fixtures and kitchen appliances. The last construction phase may consist of adding a driveway, refreshing the landscape, and adding a patio.

Types of ADUs We Build

  • Detached ADU: A brand-new, standalone unit built in the backyard, separate from the main house. It requires its own utility connections but offers the most privacy and rental flexibility.
  • Garage Conversion: We convert an existing attached or detached garage into a fully livable unit — often the fastest and most affordable path to an ADU since much of the structure already exists.
  • Attached ADU / Addition: Built onto the existing home with its own private entrance, ideal when a detached structure isn’t possible on the lot.
  • Basement ADU: An underused basement remodeled into a secondary unit — naturally cooler and more private than ground-level living spaces.

Why Choose RD Fast Construction for Your ADU Project

  • 7+ Years of Experience: Our contractors have deep knowledge and hands-on experience in ADU design, permitting, and construction across Los Angeles and Orange County.
  • Free Consultation: Our initial in-person meet-ups and presentations are always free. At RD Fast Construction, we equip our clients with the required information to help them make the right decisions.
  • On-Schedule Completion: When we take on an ADU project, we commit to completing it within set timelines. We use modern tools, techniques, and building technology to complete the project on time.
  • Guaranteed Quality: RD Fast Construction prides itself on a model of quality projects that pass the test of time. We achieve high standards using controls maintained throughout the design and construction process.
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Maximize Your Property’s Potential With an ADU: Get Started Today

RD Fast Construction is a reliable ADU builder serving Los Angeles and Orange County with 7+ years of experience building and remodeling homes. Whether you’re looking for a detached ADU, garage conversion, or attached addition, our team is equal to the task.

Our team of experts is committed to building high-quality, fully-permitted ADUs for our clients — from the first sketch to the final inspection.

Get a free ADU consultation or call us at 213.842.1229 to get started.

GET A FREE ADU CONSULTATION

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