Overview.

Coast Builders Group is a trusted ADU builder in Altadena, CA, specializing in custom accessory dwelling units, garage conversions, and backyard cottages. They handle design, permits, and construction for seamless ADU projects. Start your ADU build today with a free consultation.

2026Listed since
Los Angeles, CALocation

Location.

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6334 Carpenter Avenue, Los Angeles, CA, 91606

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