Junior ADU (JADU) near Rancho Santa Margarita, CA

Sennikoff Architects, based in California, specializes in ADU design, custom homes, and remodels in Long Beach and Southern California. Led by licensed architect Steven Sennikoff, the firm offers detached ADUs, garage conversions, and JADUs with full permit coordination.

SOHO Architecture & Construction offers full-service ADU design and build in San Diego, handling permitting, construction, and project management for detached, attached, garage conversion, and Junior ADUs with transparent communication and a warranty plan.

ADU Construction OC specializes in accessory dwelling units in San Clemente, CA. Services include detached ADUs, garage conversions, above-garage ADUs & JADUs. Founded by Jed Stamen with 30+ years experience.

Custom ADU Builder specializes in detached ADUs, attached ADUs, garage conversions & JADUs. Projects complete in ~3 months. Pricing starts at $235/sqft. Turn-key builds include quartz countertops, tile showers & luxury vinyl flooring.

The ADU Company, a licensed ADU contractor in Covina, CA, serves greater Los Angeles with expert accessory dwelling unit design and construction, including garage conversions, detached ADUs, JADUs, home additions, remodels, and more.

Considering an ADU in California? Sea Pointe Design & Remodel helps homeowners plan and build accessory dwelling units, including garage conversions, granny flats, and backyard cottages, handling permits, design, and construction.

Avica Construction & Development Inc is a licensed LA-based ADU contractor building detached ADUs, garage conversions, attached ADUs & JADUs across Los Angeles, Orange County & San Bernardino County, managing design, permits & construction.

SouthStar USA offers ADU construction in Riverside & Orange County, CA. Services include detached ADUs, attached ADUs, garage conversions & JADUs. Quality builds, permit-compliant, with transparent pricing for every project stage.

Oceanside ADU Design is an Oceanside, CA firm specializing in detached, attached, garage conversion, and junior ADUs. Founded by structural engineer Devin, they handle architecture, engineering, and permitting in-house for efficient, budget-conscious results.

Proteus Homes is a custom home and ADU builder with 30+ years of experience in the Southwest US. They offer full-service ADU construction, including design, permitting, and panelized off-site fabrication, with move-in-ready homes in under three months.

Baumeister Construction offers full-service ADU construction in Carson, CA, including garage conversions, JADUs & detached units. 20+ years experience, woman-led, covering design, permitting & sustainable builds.

All Inclusive ADU is a licensed ADU contractor serving Orange, Riverside, Los Angeles & San Diego Counties. They offer full-service ADU construction including detached ADUs, garage conversions & JADUs with fixed pricing and a 365-day warranty.

Kuhlman Scott Architects specializes in custom ADU design across San Diego County. Led by Todd Kuhlman, with 30+ years of experience, the firm creates detached ADUs, garage conversions, and JADUs tailored for quality, livability, and long-term property value.

Albera Construction builds custom ADUs in Los Angeles County, including detached units, garage conversions, and JADUs. Licensed contractor #1079656, serving South Bay, Beach Cities, and Greater LA. Full project management from design to permits.