California Code, Streets and Highways Code - SHC § 2827

The assessments required to be set forth in the report shall be deemed to be estimates only and the final assessments levied under any street improvement law may differ therefrom in amount.  The final assessments shall be subject to the limitations imposed by this division and shall be levied in accordance with the street improvement law designated and shall be subject to objection only in the manner provided in that street improvement law.