As of December 2015, permitting of residential new construction in Hillsborough increased by 88% relative to December 2014 (i.e. year-over-year). Permitting of residential remodeling in Hillsborough increased by 24% over the same period. The indices shown in the chart are not seasonally adjusted.
Remodeling and construction in Hillsborough are regulated by the Hillsborough, CA building department.