It is the City of Modesto's goal to make the building and
development process go as smoothly as possible. We
are here to help you through every phase along the way.
Please use the following guides to help get you started.
Please call us at (209) 577-5232 if you have any
Development Related Brochure: The following documents are provided in brochure layout
and in PDF format.
Accessory Units (Mother-in-law Units)
Modesto permits accessory units, sometimes called
"mother-in-law" units or second units to be built on
single-family lots under certain circumstances. If you
are interested in adding a second unit to your lot, you
are encouraged to call the Planning Division at (209)
577-5267 to determine whether your lot is suitable for a
The City of Santa Cruz makes available a set of
prototype designs for accessory units which may help you
in thinking through your design. A set of these
documents is available for review at the City of
Modesto's Community Development front counter, or for
more information please visit:
This page was updated on: Monday, November 16, 2015 12:44:17 PM