The duties and services of each division of the St. Louis County Auditor-Treasurer are as follows:
Tax Division - Property and other taxes, Deed & mortgage taxes
Clerk of the Board/Elections - Official Board records, Administers Elections, Liquor licenses, Tobacco licenses
Accounting - Performs county-wide financial accounting administration
Service Center - Vehicle/DNR registrations and titles, Driver's license renewals, Passport applications and photographs, Naturalization photographs, Property tax payments, Plat book sales
Virginia Auditor's office - Assists Tax Division with Land Records, Property tax payments, Assists with deed and mortgage taxes