Frequently Asked Questions (FAQ)

What is the formula that the county uses for slope analysis? ie.. to determine the percent of slope on my lot.

The Department of Regional Planning is responsible for slope analyses pursuant to the hillside ordinance. The department's Subdivision Section can be reached at (213) 974-6433.

slope analysis LDD regional planning subdivision land development tentative map parcel tract lot split clearance bond drainage concept bulk grading private drain transfer sewer area study LID improvement future surface mining