Family-owned custom home builder at 7529 Draper Ave, Suite A, La Jolla, CA 92037, founded in 1985 by La Jolla native Ronald Nau and now operated with his son Kyle Nau, who joined the company in 2007. CSLB license #477655 (General Building, active). BuildZoom ranks Nau Builders in the top 8% of 336,931 California licensed contractors with a $15,000 bond. The company has completed 120+ local projects ranging from $300,000 to $6.5 million, spanning custom homes, residential remodels, luxury mixed-use developments, and underground parking structures — the same estate-scale scope handled by GDC Construction on Silverado St, which also manages projects up to $6 million. Nau Builders survived the late-2000s recession on referral business and reputation alone. Houzz award winner with 166 followers. For certified tree care and canopy management around new construction sites, Tree Loyalty on Regents Rd is led by ISA Certified Arborist Eloy Marquez.