Treasurer St. Clair County Business & Economy The Treasurer's Office is responsible to safeguard, maintain, and invest more than $185 million in County funds. html
Building and Zoning Department St. Clair County Planning & ZoningReal Estate & Land RecordsEnvironment The St. Clair County Zoning Department works to insure the orderly and compatible development of land use throughout the unincorporated areas of the County and enforce the County Zoning Ordinances. 2x html
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