The basic countywide tax rate in Mendocino County is $1.00 per $100 of assessed value, or 1% of assessed value. This is the basic tax rate prescribed by Article XIII-A of the California Constitution, more commonly known as Proposition 13. In addition to the 1% tax applicable debt service of one or more of several governing bodies is added to the rate. Those debt service taxes include Special Districts, Cities, School Districts and School District Bonds.

Mendocino County is divided into 262 tax rate areas, each with its own individual funding requirements. Tax rate area codes are designated by a specific numbering system. The primary part of the tax area code (the first 3 digits) designates the school district the parcel is located in. Below is a listing of the primary tax area code designations as well as the college district:

*The College of the Redwoods/Redwoods JC territory was formally transferred to Mendocino Lake Community College on July 1, 2017.

The remaining part of the tax area code (the last 3 digits) designates the other debt service areas that make up the rest of the tax rate. These debt service entities are specifically listed on your tax bill along with their rate. Below are all the debt service entities, their tax bill abbreviations, 2023-24 rates: