Detached ADU near Whittier, CA

Smart ADU Builder offers customizable ADU floor plans from 400–1,200 sq ft, including granny flats, in-law suites & backyard cottages. Choose from 20+ pre-approved plans or custom designs with smart home features & energy-efficient syste... read more

Saunders Construction Renovation Inc offers ADU construction in Torrance, Redondo Beach & Palos Verdes Peninsula. Services include detached ADUs, garage conversions & granny flats. BBB A+ rated South Bay contractor.

Pixel Arch LLC, Glendale CA, offers residential architecture services including custom home design, ADUs, garage conversions, duplexes & remodeling. Permit-ready plans, Title 24 reports & 3D renderings for California clients.

1 Degree Construction is a Los Angeles ADU builder & home addition contractor. Services include detached ADUs, garage conversions, second-story additions & in-law suites. Projects range from $30K to $150K+.

John Christopher Construction is a Southern California general contractor specializing in ADU design and building. Serving Huntington Beach, Newport Beach, Costa Mesa & more, they offer custom and pre-engineered ADU plans for rental units, in-... 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.

Team All Star Construction (CSLB #1009760) is a California-licensed design-build contractor specializing in Accessory Dwelling Units (ADUs) for homeowners across Southern California. The company serves San Bernardino County, Riverside County, Oran... read more

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. R... read more

ADU Builders is a licensed Los Angeles ADU contractor with 15 years of experience. They build detached ADUs, garage conversions, attached ADUs, and JADUs, handling permits, design, and inspections for stress-free ADU construction.

A.G.A. Construction Inc is a Los Angeles ADU contractor specializing in accessory dwelling units & JADUs. Services include custom design, permits, plumbing, electrical & energy-efficient construction to maximize property value.

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.

Ghousetechnologies is a California ADU contractor offering steel frame accessory dwelling units. Models range from 360–1,200 sq ft. Builds are fire, flood, earthquake, and hurricane-resistant, eco-friendly, and completed faster than traditional ... read more

L Square Construction is an ADU contractor serving Los Angeles & Orange County, CA. They offer full-service design-build ADU solutions including detached units, in-law suites, garage conversions, and energy-efficient builds with solar integrat... read more

Coastal Builders is a Long Beach, CA ADU contractor specializing in detached, attached, garage conversion, basement, and attic ADUs. They offer design consultation, ADA-compliant builds, and custom units like granny flats and in-law suites.