Our resources are built around experience, not theory. With more than 40 years serving Bay Area homes, Mares & Dow Construction & Skylights shares insight that reflects how quality construction is planned, built, and maintained. Every article supports informed decisions through craftsmanship, materials, and long-term performance.
Key Takeaways Building an ADU typically takes 12 to 18 months, with each phase—from planning and design to site preparation, construction, and finishing—requiring careful coordination.
Key Takeaways For the vast majority of projects, it will take you between 6 and 12 months to build an ADU, or accessory dwelling unit.
