San Mateo County
Hillsborough, CA forms
We don’t have notarizable Hillsborough forms live yet, but here are Hillsborough reference documents you can download directly — no notary required.
Other Hillsborough forms (no notary required)
Hillsborough documents you can download and submit yourself. No notary signature or stamp is needed for these.
California Accessory Dwelling Unit (ADU) Review Application
Property owners use this application to request Planning Division review of a proposed accessory dwelling unit or junior accessory dwelling unit in Hillsborough.
application
Online Encroachment Permit Application
Property owners, businesses, and contractors use this application to request permission for work that encroaches on Hillsborough streets, rights-of-way, or easements.
application
Property Owner’s Package (Owner-Builder Disclosures & Forms)
This package contains owner-builder disclosures and forms for Hillsborough property owners applying for a construction permit in their own name.
form