A Complete Guide to Building an ADU in the Bay Area: Costs, Permits, and Tips

Accessory Dwelling Units (ADUs) have become increasingly popular in the Bay Area as housing prices soar and the demand for affordable living spaces grows. Whether you’re looking to build an ADU for rental income, housing for family members, or to increase your property value, understanding the nuances of Bay Area ADU construction is crucial. This guide covers everything you need to know, from the costs and permits involved to practical tips for a successful project. What is an ADU? An Accessory Dwelling Unit (ADU) is a secondary housing unit on a residential property that shares the main lot with a primary home. It can be attached or detached, and it usually includes essential features like a kitchen, bathroom, and living area. ADUs are an excellent way to maximize land use, increase property value, and help address housing shortages. In the Bay Area, ADUs have become a go-to solution for homeowners seeking flexibility, additional income, or a multi-generational living option. However...