3gbuilders

3G Builders & Renovation is Martinez, California's premier home addition expert, delivering exceptional craftsmanship and innovative design tailored to your needs. Specializing as trusted ADU builders in Martinez, CA, we help homeowners maximize their property's potential with beautifully designed Accessory Dwelling Units. Whether you need a guest suite, rental unit, or multi-generational living space, our experienced ADU experts in Martinez, CA guide you through every step — from permits to final finishes. At 3G Builders & Renovation, we combine local knowledge, quality materials, and personalized service to bring your vision to life. Expand your home. Expand your possibilities. Choose 3G Builders & Renovation.