A1 ADU Contractor is a licensed California general contractor specializing in ADU construction and garage conversions in Los Angeles County, including the San Fernando Valley neighborhoods of Sherman Oaks and Granada Hills. Services include garage-to-ADU conversions, ground-up custom ADU builds, prefab ADU installation, and full project management from design and permitting through construction. Typical uses: rental units, family suites, home offices, or creative studios. End-to-end service focuses on converting existing garage footprints into legal living spaces. For a consultation or quote, visit our website or give us a call.