Custom Accessory Dwelling Units (ADU) Builders in San Luis Obispo

Guest house, in-law unit, granny quarters, art studio, home office—whatever you intend to call it, an Accessory Dwelling Unit, or ADU can open up a world of possibilities for homeowners new and old.

The Perfect Accessory For Your Lifestyle

Whether you’re looking to add space for guests or generate income with a long-term or vacation rental, Harrod Built specializes in high-end ADUs.

We’re more than happy to dip into this expertise whether you have plans in-hand and are simply looking for a construction partner, or if you simply have a rough idea of what you’re looking for and are looking for a design partner who can help you with architectural home drafting and through the permitting process as well.

Vacation Rentals & ADUs Gallery

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Reviews

Harrod Brothers are doing a great job in building and remodeling. They have been following in the footsteps of their dad who has a name in building quality homes for many years. If you want things done right and in a timely manner they are a good team for the project!

Doug Gordon

Harrod Home Construction is truly a great company. Every person we dealt with from start to finish was polite, professional, Efficient, excelled at their job and was genuinely good people. They cared about us as both people and clients! I definitely recommend using these guys on my next remodel! Thanks Chris & Michael!

Dylan Christenson

Michael and Chris were great to work with!! Very helpful through the process of building an ADU at our house. They were knowledgeable and responsive to our needs and asks. Would definitely use them again!!

Chris Boggs

Harrod’s Construction is solid. They communicate well, stick to their timelines, and don’t cut corners. Quality work, no surprise costs, and a crew that actually cares. If you want it done right, they’re the ones to call.

Roni Alvandi

Michael and Chris did an incredible remodel of my master bedroom and bath. They are reliable, hard working and insisted on quality detail. They were well worth the reasonable bid. I will hire them again

Nancy Walden

Harrod construction did a fabulous job on the work they did inside my home and outside my home. Their communication skills are absolutely the best. I would hire them again in a heartbeat.

Joan Walker

Our Services

Harrod Built Services

Custom Homes

Remodels

Vacation Rentals & ADUs

New Homes Design-Build

Architectural Home Drafting

Landscape Design

San Luis Obispo ADUs Design And Construction Services

Why Work with Professional ADU Builders

The flexibility of an Accessory Dwelling Unit (ADU) is a key reason many people choose to build them on their property in San Luis Obispo County. As a custom home builder in San Luis Obispo, we understand that these units can serve as guest suites, home offices, housing solutions for aging parents, or sources of supplemental rental income. Reputable professional ADU builders in California, like us, specialize in planning and constructing these types of structures. We are knowledgeable about current California ADU laws and can save you time and money throughout the process, ensuring compliance with size limits, setback requirements, and parking regulations.

An ADU contractor knows how to develop ADU house plans to convert garages or attics as well as how to design and build a completely new detached unit. They can help you maximize space and functionality while following accessibility rules and ensuring your unit is energy efficient. Reliable ADU builders will handle project complexities, offer their expert guidance, be transparent about costs, and keep you informed during the entire process, so you have peace of mind when building your ADU. If you’re looking for a contractor with a strong track record of building quality ADUs in San Obispo County, Harrod Built wants to be your trusted construction partner.

How to Stay on Budget and Timeline with Your ADU Project
in San Luis Obispo

When you’re planning to invest in an ADU on your property, in San Luis Obispo County, you’ll need a realistic budget. Research ADU costs in the area and get multiple bids from trustworthy contractors who have experience planning and building ADUs. Once you select a contractor, work together with them to proactively plan and manage the process, apply for necessary permits, and stay within your budget. Set realistic milestones for each construction phase, from permitting to the final finishes.

FAQ

You can Airbnb your ADU in San Luis Obispo County, but there are specific regulations you need to follow. You must obtain a valid County Business License and a Land Use Authorization from the County Planning and Building Department. You’re also required to collect and pay Transient Occupancy Tax and other assessments from your guests. Ensure your ADU complies with all local zoning and land use regulations and California building code laws when you build it. Reliable accessory dwelling unit builders can help you achieve this prior to listing it.

Many factors are involved in determining the cost of building an ADU in San Luis Obispo County. The ADU's size and type of the ADU affect the construction costs including materials, labor, site preparation, finishes, and permits. Whether it's detached or attached will affect the cost too. Get estimates from experienced ADU contractors and be realistic about your budget because costs can vary widely.