Jake Zimmerman
Democratic · MO · St. Louis County Assessor
Jake Zimmerman is the elected St. Louis County Assessor. He previously served in the Missouri House of Representatives and worked as a Missouri assistant attorney general, an attorney in private practice, and deputy chief legal counsel to Governor Bob Holden.
Track record
Government Efficiency
· 3 records
Joined County Council members at a public town hall to explain rising property values and the assessment-appeal process during the 2023 reassessment cycle.
April 11, 2023For
Source: westnewsmagazine.com · researched July 14, 2026
Held a public town hall to explain the 2019 reassessment, property-value increases, and the process for appealing an assessment.
June 20, 2019For
Source: callnewspapers.com · researched July 14, 2026
Launched an aircraft-tax compliance review that added 83 previously missing aircraft to St. Louis County's assessment rolls, with an estimated $1.367 million in tax revenue.
December 30, 2011For
Source: stlpr.org · researched July 14, 2026
General
· 2 records
Won a Missouri Supreme Court ruling that vacated a circuit-court judgment and reinstated the State Tax Commission's rejection of commercial property owners' assessment-discrimination claims.
February 14, 2024
Source: caselaw.findlaw.com · researched July 14, 2026
Recommended higher assessments for the River City and Harrah's casinos, although the county Board of Equalization later reduced the values.
December 30, 2011
Source: stlpr.org · researched July 14, 2026
Integrity and Ethics
· 1 record
Was sued by property-tax consulting firm PAR Residential, which alleged that his handling of assessment appeals violated Missouri law; the claim was an allegation, not a final finding.
April 15, 2026
Source: bizjournals.com · researched July 14, 2026
Elections
- County Executive · August 4, 2026 · St. Louis County, Missouri
Profile last researched July 14, 2026.