Phone : +1 866-590-8202 Welcome to TNT Design & Build, your trusted, experienced general contractor Rancho Santa Fe, CA. We specialize in transforming homes and creating custom living spaces that reflect the elegance and prestige of one of Southern California’s most affluent communities. Whether you’re building a new estate from the ground up, undertaking a large-scale renovation, or looking to modernize specific elements of your property, our team brings unmatched attention to detail, creative vision, and professional expertise.