3G Builders & Renovation is Oakland's premier home addition expert, delivering exceptional craftsmanship and innovative solutions for homeowners across Oakland, CA. Specializing as trusted ADU builders in Oakland, CA, we design and construct stunning Accessory Dwelling Units that maximize your property's potential and value. Whether you need a backyard cottage, garage conversion, or a seamless home addition, our experienced team handles every detail — from permits to finishing touches. As a leading ADU expert in Oakland, CA, 3G Builders & Renovation is committed to quality, transparency, and timely delivery. Let us help you expand your living space beautifully and efficiently.