Council Adopts New ADU Regulations

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Are you a homeowner in Brisbane who wants to establish an accessory dwelling unit (ADU) on your property?  At their May 17th City Council Meeting, the Council adopted Ordinance 626, which significantly expands the opportunities for Brisbane homeowners to either build a new ADU on their property, or convert existing space in their home into an ADU.

ADUs are small dwelling units that are also known as “second units,” “granny units,” “in-law units” and other names.  Whatever you call them, ADUs allow homeowners to build a small home on the same property as their existing single-family home.  ADUs could provide housing for aging parents, other family members, or live-in healthcare assistance.  They could also be rented out to tenants as an extra source of income.

Under the City’s updated regulations, any property in Brisbane with an existing single-family home is eligible to develop an ADU.  Previously, only homeowners in the City’s single-family zoning districts (R-1 and R-BA) were eligible to establish an ADU.  There is also no minimum lot size required to create an ADU.  If you are a homeowner who is interested in establishing an ADU on your property, please reach out to the Planning Department to learn about the best options for you based on your property’s unique characteristics.  Call (415) 508-2120 or email planning@brisbaneca.org to set up a phone or in-person appointment with Planning staff.

The City also encourages you to explore the County of San Mateo’s “Second Unit Center”  at http://secondunitcentersmc.org/.  This website has a wealth of information on the technical, design, and financial aspects of building a new ADU or converting existing space into an ADU.