New West Builders in Alpine develops custom homes and residential additions from its Japatul Road headquarters, east of Viejas Casino & Resort. The company's new-construction projects require rooftop photovoltaic arrays now mandated by California Title 24, a scope coordinated with solar installers such as Clayco Electric Inc. Solar Specialist on Alpine Blvd. Ground-up residential builds in the 91901 zip code must meet San Diego County's wildfire-hardening requirements under the Wildland-Urban Interface code, including Class A roofing, tempered dual-pane glazing, and enclosed eaves. Rough-in plumbing on New West projects runs through the same Alpine trade network that includes Alpine Plumbing & Backhoe Inc on Alpine Blvd. Foundation scopes on Japatul Valley lots typically specify reinforced-concrete stem walls with #4 rebar at 12-inch vertical spacing, engineered for the expansive decomposed-granite soils common to Alpine's foothill terrain.