Michael Matthews Studio is an architecture firm in Los Angeles specializing in custom homes, ADUs, SB9 units, high-end renovations, and modern design. We believe architecture is a catalyst of change for individuals, communities, and the planet.
read more
CentrePoint Construction Inc. offers turnkey ADU construction and garage conversions in Los Angeles. Services include detached ADUs, JADUs, design, permits, and city approvals—ideal for rental income or family housing.
read more
Romano Builders specializes in ADU construction in Los Angeles, offering detached, attached, garage conversion, and junior ADUs. Costs range $300–$600/sq ft, with rental income potential of $1,500–$4,000+/month.
read more
Garage conversion to ADU in Los Angeles requires structural upgrades, permits, and utility connections. IBA Builders evaluates ceiling height, slab condition, setbacks, and utility access before design begins, ensuring code compliance and accurate project scoping.
read more
Ivy Builders is a top ADU contractor in Los Angeles & Orange County, specializing in detached ADUs, granny flats & backyard cottages. Offering pre-approved plans, full permitting, and custom builds ranging from $200K–$500K.
read more
OakADU is a full-service ADU contractor in Los Angeles & Southern California, offering design, permitting, construction & property management for detached ADUs, garage conversions, attached ADUs & interior conversions.
read more
Zieba Builders, a Southern California design-build firm, was named one of the top 7 ADU contractors in Long Beach by Home Builder Digest. They specialize in custom homes, garage conversions, granny flats & detached ADUs.
read more
WM Construction is a licensed ADU contractor in Los Angeles offering full-service builds, from site assessment and design to permitting and post-construction support, helping homeowners add granny flats, garage conversions, and in-law suites compliantly.
read more
Herbertson OG is a construction and solar company offering ADU building, remodeling, new construction, roofing, HVAC, and solar panel installation. They serve homeowners, investors, and designers across residential and commercial projects.
read more
Los Angeles ADU builders with 10+ years experience, 220+ completed projects & 98% client satisfaction. Full-service ADU construction, garage conversions, design, permits & a deferred payment program—no payments until your ADU is rental-ready.
read more
Joseph Construction Builders LLC is a licensed detached ADU builder in Newport Beach & Costa Mesa, CA, with 30+ years of experience. Services include detached ADUs, garage conversions, JADUs, and home additions across Orange County.
read more
Milanco Building Group (MBG) is a certified general contracting company that offers extremely competitive prices while working under all the proper licenses and insurances.
We are a full turn-key company that performs projects in the commercial, residential, industrial markets and more. We have a management team that has 30+ years of experience to ensure a smooth project, such as full communication with the client, timely scheduling, great customer service and attention to details.
read more
AD Remodeling & Construction offers room additions and ADU services, including design, permitting, and construction. They build detached ADUs, in-law suites, granny flats, and room additions tailored to client needs and local regulations.
read moreCovina, a vibrant city nestled in the San Gabriel Valley of Los Angeles County, has seen a growing demand for Accessory Dwelling Units (ADUs) as housing costs continue to rise throughout Southern California. With its tree-lined streets, established single-family neighborhoods, and proximity to major freeways like the I-10 and SR-39, Covina presents excellent opportunities for homeowners looking to maximize their property value through ADU construction. Experienced ADU contractors in Covina understand the unique character of this community and are well-versed in navigating local building requirements.
ADU contractors working in Covina must comply with both California state ADU laws and the City of Covina's local ordinances. Following California's landmark ADU legislation, Covina has aligned its policies to streamline the approval process. Key regulations that contractors and homeowners should be aware of include:
Hiring a qualified ADU contractor in Covina, California means working with professionals who handle every phase of the project, from initial design and permit applications to final inspections. The permitting process is managed through the City of Covina's Building and Safety Division, and experienced contractors know how to prepare complete, code-compliant plans to minimize delays. Typical ADU projects in Covina include garage conversions, detached backyard cottages, and basement conversions — all popular options given the city's existing housing stock.
Homeowners in Covina have strong financial incentives to invest in ADU construction. Some of the most compelling benefits include:
When searching for reliable ADU contractors in Covina, CA, look for licensed professionals with proven experience in Los Angeles County projects, strong local references, and a thorough understanding of California's evolving ADU laws. A skilled contractor will guide you through design, permitting, construction, and final inspection — ensuring your ADU project is completed on time, within budget, and fully compliant with all Covina building regulations.