Your Expert ADU Builder and Contractor in Mountain View, CA

In Mountain View, the maximum size for an ADU is 1,200 square feet, depending on the property’s zoning and lot size. However, all properties are allowed at least one ADU of 800 square feet, even if smaller lots may otherwise have limitations. This gives flexibility for homeowners to add significant living space to their properties. 

The minimum setback for ADUs in Mountain View is 4 feet from the side and rear property lines. The maximum height allowed is 16 feet for single-story ADUs, and two-story units may be permitted depending on the local zoning regulations. These requirements help ensure that ADUs fit within neighborhood guidelines and maintain privacy. 

Generally, one parking space is required for ADUs in Mountain View. However, parking requirements can be waived if the ADU is within ½ mile of public transit or if it is a garage conversion or Junior ADU (JADU). This makes it easier for homeowners to add an ADU without having to accommodate additional parking. 

Yes, ADUs in Mountain View can be rented out, but they must comply with the city’s long-term rental regulations, meaning the units must be rented for 30 days or more. Short-term rentals, such as those through Airbnb, are generally not permitted, ensuring that ADUs contribute to long-term housing availability.