SDS Homes Construction is a Temecula, CA design-build contractor specializing in ADUs, granny flats, and Casitas. They offer turnkey services from design to permitting and construction, serving Temecula and Murrieta homeowners.
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Foothill Renovators offers home remodeling, ADU construction, new builds, and additions. Services include flooring, roofing, electrical, plumbing, and more. They handle permits and full project management for detached ADUs, granny flats, and garage conversions.
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Orange Innovation Inc is an ADU builder offering full-service design, engineering, and construction. Specializing in detached ADUs, granny flats, and in-law suites, they manage projects from concept to completion with a focus on budget and timeline.
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Liebo Builders is a Southern California ADU contractor specializing in detached, attached, garage conversion & interior ADUs. Services include custom design, permitting, and construction for guest houses, rentals & home offices.
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An ADU (accessory dwelling unit) is a secondary home on a residential lot. Garage conversion ADUs are cost-effective, blending with existing homes. YOR Construction & Investments specializes in Los Angeles ADU garage conversions.
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ADUs (accessory dwelling units) are self-contained homes on existing properties, ideal for rentals or multi-generational living. Costs range $100K–$200K. Baum Construction & Development Inc builds ADUs in Long Beach, CA.
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EZ ADU & Garage Conversion is a trusted ADU builder and garage conversion contractor in Orange County, CA. They offer custom ADU construction, garage conversions, design, and permitting services for homeowners seeking quality living space solutions.
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Build Method Construction is a licensed ADU contractor in Los Angeles County with 25+ years of experience. They build detached ADUs, garage conversions, JADUs, and more—handling design, permits, and construction for single and multi-family properties.
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CCS Inc. offers ADU construction, garage conversions, remodeling & permit services in Long Beach, CA. Costs range from $100K–$400K+, with timelines of 4–14 months. Free consultations available for eligible residential properties.
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Kol & Co. is an ADU contractor serving Orange County, West LA & North San Diego. With 15+ years in design-build, they handle detached ADUs, garage conversions, JADUs & more—managing permits, design, and construction under one roof.
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Katz Design & Builders Inc offers full-service ADU construction across Los Angeles and Orange County. Services include detached ADUs, garage conversions, attached ADUs, and JADUs, all built to California Title 24 and local zoning standards.
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Our Expert Team offers dependable expert services on short notice because of our extensive network of employees and sub-contractors located throughout California. Our teams of respectable employees are always willing to help accommodate our customer’s needs, by going the extra mile, especially when it comes to meeting those critical deadlines.
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Capital Construction Inc. is an experienced ADU contractor building detached ADUs, in-law suites, granny flats, and rental units. Licensed, bonded, and insured, they handle permitting, design, and construction while respecting budgets and timelines.
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Long Beach Elite ADU Solutions specializes in ADU construction and garage conversions in Long Beach, CA. Services include detached ADUs, JADUs, basement and above-garage units. 15+ years experience, 150+ completed projects.
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SE Builders Inc completed an ADU project in Fullerton, CA, transforming a structure into a modern living space. Features include updated framing, durable finishes, eco-friendly materials, energy-efficient systems, and low-maintenance landscaping.
read moreCosta Mesa, California, is a vibrant city in Orange County known for its thriving arts scene, proximity to South Coast Plaza, and diverse residential neighborhoods. As housing demand continues to surge across Southern California, ADU contractors in Costa Mesa are playing a critical role in helping homeowners maximize their property value and create additional living space. Whether you live near the Eastside neighborhoods, Mesa Verde, or College Park, adding an Accessory Dwelling Unit (ADU) is one of the smartest investments a Costa Mesa homeowner can make.
Before breaking ground, it's essential to understand the local rules that govern ADU construction in Costa Mesa. The city follows California state ADU law while also enforcing its own municipal guidelines through the Costa Mesa Community Development Department. Key regulations include:
Working with an experienced ADU contractor in Costa Mesa ensures that your project meets all local and state requirements, avoiding costly delays or permit rejections.
Costa Mesa's mix of mid-century homes, bungalows, and larger lot properties makes it well-suited for a variety of ADU types. The most common projects undertaken by Costa Mesa ADU contractors include:
Hiring a licensed ADU contractor familiar with Costa Mesa is crucial for a smooth construction process. Local contractors understand the nuances of the city's permit process, have established relationships with the Community Development Department, and are knowledgeable about neighborhood-specific considerations such as HOA rules in areas like Mesa Verde. A qualified contractor will handle everything from architectural design and permit applications to construction and final inspections.
With Costa Mesa's strong rental market driven by its proximity to UC Irvine, John Wayne Airport, and major employment centers, an ADU can generate significant monthly rental income. Contact a trusted Costa Mesa ADU contractor today to explore your options and start the journey toward expanding your property's potential.