Section 36632 Of Chapter 3. Assessments From California Streets And Highways Code >> Division 18. >> Part 7. >> Chapter 3.

. (a) The assessments levied on real property pursuant to this part shall be levied on the basis of the estimated benefit to the real property within the property and business improvement district. The city council may classify properties for purposes of determining the benefit to property of the improvements and activities provided pursuant to this part.
  (b) Assessments levied on businesses pursuant to this part shall be levied on the basis of the estimated benefit to the businesses within the property and business improvement district. The city council may classify businesses for purposes of determining the benefit to the businesses of the improvements and activities provided pursuant to this part.
  (c) Properties zoned solely for residential use, or that are zoned for agricultural use, are conclusively presumed not to benefit from the improvements and service funded through these assessments, and shall not be subject to any assessment pursuant to this part.