Crest Backyard Homes is a Vista-based ADU specialist serving San Diego County with a broad menu of building options — custom ADUs, modular ADUs, prefab ADUs, garage conversions, JADUs, granny flats, mother-in-law suites, backyard offices, and backyard rentals. One of the few contractors in the directory offering both custom stick-built and factory-built modular options, giving homeowners genuine flexibility on cost and timeline. Pre-approved floor plans available across four model lines — Urbanline, Crestline, Summitline, and Truline. Publishes an ADU Guide and hosts a resource library for homeowners navigating the permitting process. Service area covers Vista, Chula Vista, Encinitas, Escondido, La Mesa, Oceanside, San Marcos, Bonsall, Fallbrook, and greater San Diego County. CSLB license active, bond on file, no complaints on record.