Attached ADU in California

California's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.

Resilient Homes Inc is a licensed ADU contractor offering custom accessory dwelling units, including granny flats, in-law suites, and rental units. They handle permitting, design, and construction with guaranteed workmanship and budget transparency.

At Gannage Design & Construction, we specialize in ADU construction on the Central Coast, guiding you from concept to completion with a seamless, stress-free process.

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.

Premium ADU is a Los Angeles ADU specialist offering design, permitting, and construction of detached ADUs, garage conversions, and JADUs. Operating since 2021 with an in-house team, projects typically complete in 6–12 months.

Fullerton ADU Builder offers expert ADU construction services including detached ADUs, garage conversions, JADUs, in-law suites & home additions. 10+ years experience, licensed & insured, transparent pricing, free consultations & full permit handling.

An ADU is a secondary residential unit on the same property as a primary home. JL Biber Construction Inc., a licensed ADU builder in Riverside, California, offers full-service garage conversions, granny flats, and detached ADU construction.

Kaminskiy Home Remodeling builds ADUs in San Diego, including granny flats, garage conversions, JADUs & basement units. Boost property value, earn rental income, or house family. Serving Poway, La Jolla, Encinitas & more.

Encanto Homes LLC offers a 484 sq ft ADU above the garage, featuring 1 bed, 1 bath, kitchenette, solar panels & private entrance. Ideal as a rental unit, in-law suite or granny flat in Oxnard, CA.

California Dream Builders specializes in ADU design and construction, offering end-to-end services including architectural design, permitting, and full construction management. They build detached ADUs, granny flats, in-law suites, and backyard cottages across California.

Licensed ADU contractor Full Steam Ahead Construction serves East Bay homeowners with custom accessory dwelling units, including garage conversions, backyard cottages & in-law suites. Serving Concord, Oakland, Berkeley & more.

Spruce ADU Builders is a licensed ADU contractor in Union City offering expert accessory dwelling unit construction. Services include granny flats, in-law suites, and custom ADUs with free consultations, transparent pricing, and a 100% satisfaction guarantee.

Northbay Home Solutions offers full-service ADU construction in San Rafael, San Francisco & North Bay. Services include detached ADUs, garage conversions & JADUs, covering design, permits & build.

ADUs add rental income & property value. Services include garage conversions, detached ADUs, JADUs & granny flats. ADU Feasibility Studies cover code, utilities & ROI. Architectural services via Adapt Dwellings ensure smooth approval to construction.

OCA Builders offers ADU design & construction in Santa Cruz County, including detached, attached, garage conversion, internal & junior ADUs. They use county-approved floor plans to streamline permitting and reduce timelines.