JP Homes is a licensed ADU contractor in Southern California, serving Los Angeles, Orange County, Riverside & San Bernardino. They offer full-service ADU construction including detached units, garage conversions & more.
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An accessory dwelling unit (ADU) is a secondary home on a single-family lot with kitchen, bath, and sleeping space. Xavier Design Group helps Southern California homeowners build ADUs with trusted contractors and transparent pricing.
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California Backyard Homes Inc specializes in prefab ADUs, tiny houses, and modular homes across California. Starting from $44,500, they offer turnkey installation including permits and utility connections, with financing available up to 23 years.
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New Dawn Construction is an ADU contractor specializing in detached ADUs, garage conversions, in-law suites, granny flats, JADUs, and backyard cottages. They guide homeowners through design, permitting, and construction for flexible housing solutions.
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Revival Homes is a California ADU project manager handling planning, financing, design, permitting, and construction. They build detached ADUs, garage conversions, JADUs, and more, with costs ranging from $100K to $300K.
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G&M Home Remodeling is a trusted ADU contractor in Los Angeles offering detached ADUs, garage conversions, granny flats, and JADUs. Based in Sherman Oaks, they handle permitting, design, and construction across the greater LA area.
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Structura Remodeling is an LA-based licensed ADU contractor specializing in Accessory Dwelling Units, garage conversions & JADUs. Costs range $115K–$145K. Financing options include HELOC & construction loans. Free consultation available.
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Papaya Construction Group is a licensed design-build ADU contractor in Orange County, CA. Founded in 2018, they offer detached ADUs, garage conversions, attached units & above-garage builds across Irvine, Anaheim & more.
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Woollard Construction is a family run general contractor specializing in ADUs and bathroom remodels. Formed over 25 years ago in Temecula, California, we deliver professional building projects with care and precision in Temecula and Murrieta.
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King Home Remodeling builds detached, attached, garage conversion, basement, and junior ADUs in Montebello. Services include design, permitting, construction, and inspections. Local zoning, size limits, and parking rules apply.
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Tims New Construction is a Los Angeles contractor specializing in ADU, Junior ADU, and garage conversions. Services include custom design, permitting, and full builds. They also support SB9 projects, helping homeowners add rental units or family housing.
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Angelus Construction is a Los Angeles ADU contractor with 30+ years of experience. They offer full-service ADU design, permitting, and construction, plus residential remodeling across Los Angeles and Ventura Counties.
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FabuHome offers affordable ADU building services, including detached units, in-law suites & backyard cottages. Full-service design to construction, tailored to your budget, helping homeowners add value & flexible living space.
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Pros ADU Builders in El Cerrito specializes in ADU construction, including detached units, garage conversions, in-law suites, and granny flats. They handle permits, planning, and turnkey builds tailored to each property.
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ADU Los Angeles (ADLA) is a specialized ADU contractor serving LA County. They offer consulting, custom design, construction, garage conversions, basement ADUs, attached and detached units, helping homeowners maximize property value.
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.