Harrod Built is a design-build ADU contractor serving San Luis Obispo County. They specialize in detached ADUs, garage conversions, and in-law suites, managing design, permitting, and construction for Central Coast homeowners.
read more
Bundle ADU is a California-based full-service ADU contractor offering custom accessory dwelling units from 400–1,200 sq ft, starting at $200/sq ft. Services include design, permitting, and construction with ~4-month build times.
read more
At Gannage Design & Construction, we specialize in ADU construction on the Central Coast, guiding you from concept to completion with a seamless, stress-free process.
read more
Get Bizzy LLC specializes in garage-to-ADU conversions in San Luis Obispo County. They handle permits, design, construction & inspections for 1, 2 & 3-car garages, creating fully legal, California-compliant accessory dwelling units.
read more
Artisan Builders Construction builds ADUs in San Luis Obispo County, CA. Services include detached ADUs, attached units, garage conversions & JADUs. They manage planning, permitting, construction & inspections with transparent pricing.
read more
JM Construction, based in Arroyo Grande, CA, offers custom home builds, remodels, additions, and ADU construction on California's Central Coast. Licensed A & B contractor handling full residential projects with free consultations available.
read more
James V. Shepard Company, serving Paso Robles, CA since 1977, specializes in ADU construction, custom home additions, garage conversions & remodeling. Licensed, family-owned, with free estimates available.
read more
Gordon Construction builds custom ADUs including detached backyard cottages, garage conversions, above-garage suites, and in-law suites. They manage permitting, design, and full build-out for homeowners looking to add rental units or extra living space.
read more
As a full-service construction company focused exclusively on ADUs and multifamily housing, we guide you through every step—from initial concept to final walkthrough. Whether you're adding a high-quality ADU to your property or developing affordable housing solutions for your community, we deliver spaces that are functional, personal, and built to last.
read more
MZ Construction (CSLB #985113) is a licensed general contractor in Santa Maria, CA, specializing in ADUs, home remodels, additions, and light commercial construction across the Central Coast. Free estimates available.
read more
Schaefer Custom Homes builds ADUs in San Luis Obispo County, offering full ADUs, JADUs, garage conversions & detached units. They manage permits, design & construction for rental income, family living & more.
read more
Oak Coast Construction is a California-based contractor specializing in ADU development, custom homes, design-build, remodeling, and commercial construction. They also offer printing services including blueprints and signage via Oak Coast Printing.
read more
JS Moody Construction offers full-service ADU construction in San Luis Obispo, CA. Services include detached ADUs, garage conversions, in-law suites & backyard cottages. They handle design, permits & build management for hassle-free results.
read more
Founded in 1986 by Mike Morain, KGM Construction is an A+ BBB-rated contractor offering residential remodeling, new home construction, ADUs, granny flats, garage conversions, commercial builds, and storm damage restoration with 35+ years of experience.
read moreSan Luis Obispo, consistently ranked as one of the happiest cities in the United States, is a vibrant college town nestled between Los Angeles and San Francisco along California's Central Coast. With California Polytechnic State University (Cal Poly) driving a constant demand for housing, ADU contractors in San Luis Obispo are busier than ever helping homeowners maximize their property potential. The city's unique blend of Mediterranean climate, historic neighborhoods, and strict design standards makes working with an experienced local ADU contractor essential for any successful project.
Before breaking ground, homeowners must understand that San Luis Obispo ADU regulations are governed by both California state law and local city ordinances. The City of San Luis Obispo has adopted regulations that align with California's ADU laws (AB 68, AB 881, and SB 13), which streamlined the permitting process statewide. Key local requirements include:
Working with a licensed ADU contractor familiar with San Luis Obispo is critical for navigating the city's Community Development Department approval process. Local contractors understand the nuances of building in neighborhoods like Laguna Lake, Edna Ranch, and the historic downtown core, where design review requirements can add complexity to a project. They are also well-versed in the city's sustainability goals, including energy efficiency standards that often exceed California's Title 24 baseline requirements.
The cost of building an ADU in San Luis Obispo typically ranges from $150,000 to $350,000 or more depending on size, type, and finishes. Given the city's tight rental market — heavily influenced by Cal Poly's student population — homeowners can expect strong rental income potential, with monthly rents for ADUs frequently ranging between $1,500 and $2,500. This makes the return on investment particularly compelling in the SLO market.
When selecting an ADU builder in San Luis Obispo, look for contractors who are licensed by the California Contractors State License Board (CSLB), carry proper insurance, and have a proven portfolio of completed ADU projects in the area. A qualified contractor will manage everything from design and permitting to construction and final inspection, ensuring your ADU project is completed on time, on budget, and in full compliance with all local and state regulations.