ADU Garden Grove

11947 Valley View Street, Garden Grove, CA 92846 22.3 miles

Custom ADU Builder

113 West Santa Fe Avenue, Fullerton, CA 92832 27.1 miles

Full-service ADU contractor offering design, permitting, and construction of detached ADUs, attached ADUs, JADUs, and garage conversions. Most builds complete in 3–5 months. Includes quartz countertops, tile showers, and luxury vinyl flooring. Rental prep support available.

NAMA Construction

62 Sundance Dr, Pomona, CA 91766 36.9 miles

Licensed 75 years in business

NAMA Construction is a family-owned Los Angeles remodeling company with 75 years of experience. Services include ADU construction, kitchen & bathroom remodeling, whole house renovations, flooring, and painting across Greater LA.

California ADU Center INC

7542 Laurel Canyon Boulevard, Los Angeles, CA 91605 15.8 miles

California ADU Center INC specializes in ADU planning, design, and construction across California. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites. They manage permitting and navigate California's ADU regulations for homeowners.

Ultra-Unit Architectural Studio

1327 Loma Avenue, Long Beach, CA 90804 15.8 miles

Licensed 25 years in business Eco-Friendly

Ultra-Unit Architectural Studio, based in Long Beach, CA, offers architecture and construction services for ADUs, residential, multifamily, and commercial projects. Led by Cameron Crockett AIA, LEED, with 25+ years experience. Free initial consultations available.

ADU Custom Homes

1420 East Katella Avenue, Orange, CA 92867 29.7 miles

Licensed 35 years in business Eco-Friendly

ADU Custom Homes is a licensed California ADU contractor with 35+ years of experience serving LA, Orange & Riverside counties. They specialize in detached ADUs, garage conversions & additions, managing projects from permits to Certificate of Occupancy.

Homeplex

421 West Broadway, Long Beach, CA 90802 14.1 miles

Prefab Specialist Eco-Friendly

Prefab vs. stick-built ADUs explained. Homeplex offers the Clever ADU, an HCD-certified modular unit built all-electric in a factory, saving 5–6 months vs. traditional construction. Costs vary based on site conditions.

Otto ADU

2926 Denby Avenue, Los Angeles, CA 90039 14.8 miles

Licensed 5 years in business

Otto ADU is a licensed Los Angeles ADU builder specializing in garage conversions, detached ADUs, JADUs & granny flats. Serving LA County with 100+ completed units, adding avg. $185K in home value.

New Dawn Construction

14900 Ventura Blvd Unit #330, Sherman Oaks, CA 91403 18.6 miles

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.

ORR Construction

1977 Obispo Avenue, Signal Hill, CA 90755 15 miles

Eco-Friendly

ADUs are secondary units built on existing lots. ORR Construction builds detached ADUs, garage conversions, JADUs & in-law suites in California. Costs range $50–$300/sq ft. California laws like SB 897 simplify the permitting process.

RD Fast Construction

3603 San Pedro Street, Los Angeles, CA 90011 11.5 miles

RD Fast Construction offers ADU garage conversions in Los Angeles, helping homeowners add property value, rental income, guest space, or housing for adult children using existing infrastructure for cost-effective results.

OakADU

9671 Sunland Boulevard, Santa Clara, CA 91040 24.8 miles

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.

BuildForm Design

14401 Sylvan Street, Van Nuys, CA 91401 22.4 miles

Licensed 15 years in business

BuildForm Design is a Los Angeles general contractor offering full-service ADU design, build, and value engineering. With 15 years of experience, they handle basement conversions, detached ADUs, garage conversions, and more across Southern California.

Los Angeles ADU Contractors

3744 Flower Street, Los Angeles, CA 90007 10.6 miles

Eco-Friendly

Trusted ADU builder in Los Angeles County specializing in granny flats, in-law suites & garage conversions. Boost property value, earn rental income & add living space with expert, code-compliant ADU construction.

RnD Builders Inc

21250 Califa Street, Woodland Hills, CA 91367 22.8 miles

RnD Builders is a top-rated ADU builder and design-build firm serving Ventura County and Los Angeles County, specializing in ADU construction, home additions, remodels, and outdoor projects with a client-focused approach.

Other cities in California

What you need to know

Building ADUs in Manhattan Beach: Navigating Coastal Zone Regulations

Manhattan Beach, California, is one of the most desirable coastal communities in Los Angeles County, and building an Accessory Dwelling Unit (ADU) here comes with unique challenges. A significant portion of Manhattan Beach falls within the California Coastal Zone, which means ADU contractors must comply not only with local city codes but also with the California Coastal Act. Projects within this zone may require a Coastal Development Permit (CDP) in addition to standard building permits, adding complexity and time to the approval process. Experienced ADU contractors in Manhattan Beach understand these layered requirements and can help homeowners navigate them efficiently.

Why Hire a Specialized ADU Contractor in Manhattan Beach?

Manhattan Beach has a highly competitive real estate market, with median home values consistently among the highest in Southern California. Adding an ADU to your property can significantly increase its value and generate rental income. However, the city enforces strict zoning regulations, setback requirements, and height restrictions that differ from other Los Angeles County cities. A qualified ADU contractor in Manhattan Beach will be familiar with the city's specific requirements, including:

Types of ADUs Commonly Built in Manhattan Beach

Given the premium on space in Manhattan Beach, skilled ADU contractors often work on a variety of unit types tailored to the city's dense, high-value neighborhoods. The most common ADU types include:

Working with Manhattan Beach ADU Contractors: What to Expect

The permitting process in Manhattan Beach is managed through the Community Development Department. Reputable ADU contractors will handle architectural plans, structural engineering, permit applications, and inspections on your behalf. Construction timelines typically range from 6 to 18 months depending on the project scope and permit processing times. When selecting an ADU contractor in Manhattan Beach, look for professionals with verifiable local experience, proper California licensing (CSLB), and a strong portfolio of completed ADU projects within the South Bay area.

ADU Contractors near Manhattan Beach, CA