Accessory dwelling units — ADUs — have become one of the most talked-about home improvement projects in California. Recent state legislation has streamlined the permitting process and removed many of the barriers that used to make these projects difficult. For Bay Area homeowners, it's an opportunity worth understanding.
An ADU can serve a lot of purposes. Some families build them for aging parents who want to live close but maintain their independence. Others use them as rental income, home offices, or guest houses. The flexibility is one of the biggest draws, and the added square footage almost always increases property value.
California law now allows ADUs up to 1,200 square feet on most single-family lots, and many local jurisdictions have reduced or eliminated impact fees for smaller units. The permitting timeline has also been shortened — cities are required to act on applications within 60 days in most cases.
Design and construction quality matter just as much with an ADU as they do with any other part of your home. A well-built unit with proper insulation, plumbing, and electrical work will serve you for decades. Cutting corners on a structure this significant is never worth the short-term savings.
Sierra Crest Construction has helped homeowners across the East Bay navigate the ADU process from design through final inspection. If you're thinking about adding a unit to your property, contact us to discuss what's possible on your lot.