This page provides copies of all audit reports published by the Audit Division, organized by fiscal year of the audited period. Please contact the Audit Division if you are interested in obtaining audits older than those published here.
Treasury Investment Pool Compliance Audit -- 1st Quarter(PDF: 422 KB)
Treasury Investment Pool Compliance Audit -- 2nd Quarter(PDF: 336 KB)
Treasury Investment Pool Compliance Audit -- 3rd Quarter(PDF: 442 KB)
Youth Education and Employment Program Monitoring(PDF: 418 KB)
Abandoned Vehicle Abatement Program(PDF: 404 KB)
County Service Area #40 Fire Services(PDF: 582 KB)
Russian River Recreation and Park District(PDF: 527 KB)
Sheriff's Office Evidence Room(PDF: 376 KB)
Treasury Investment Pool Compliance Audit -- 1st Quarter(PDF: 356 KB)
Treasury Investment Pool Compliance Audit -- 2nd Quarter(PDF: 361 KB)
Treasury Investment Pool Compliance Audit -- 3rd Quarter(PDF: 356 KB)
Treasury Investment Pool Compliance Audit -- 4th Quarter(PDF: 281 KB)
Youth Education and Employment Program Monitoring Audit(PDF: 388 KB)
Automobile Insurance Fraud Program(PDF: 564 kB)
County Service Area #40 Fire Services(PDF: 596 kB)
Roseland Fire Protection District(PDF: 340 kB)
Russian River Recreation and Park District(PDF: 434 kB)
Sheriff's Office Coroner Bureau(PDF: 1.2 MB)
Sheriff's Office Inmate Welfare and Jail Store Trust Fund(PDF: 1.53 MB)
Sheriff's Office Special Appropriation Fund(PDF: 208 kB)
Treasury Investment Pool Compliance Audit, 1st Quarter 2019(PDF: 243 kB)
Treasury Investment Pool Compliance Audit, 2nd Quarter 2019(PDF: 382 kB)
Treasury Investment Pool Compliance Audit, 3rd Quarter 2019(PDF: 340 kB)
Treasury Investment Pool Compliance Audit, 4th Quarter 2019(PDF: 368 kB)
Workers' Compensation Fraud Program(PDF: 510 kB)
Youth Education and Employment Program Monitoring Audit(PDF: 431 KB)
Abandoned Vehicle Abatement(PDF: 291 kB)
County Service Area #40 Fire Services(PDF: 512 kB)
Roseland Fire Protection District(PDF: 520 kB)
Russian River Recreation and Park District(PDF: 515 kB)
Sheriff's Inmate Cash Management(PDF: 742 kB)
Shiloh Public Cemetery District(PDF: 536 kB)
Sonoma County Community Investment Fund(PDF: 789 kB)
Transient Occupancy Tax Operator Collection and Remittances(PDF: 230 KB)
Workers' Compensation Insurance Fraud (PDF: 552 kB)
Youth Education and Employment Program Monitoring (PDF: 230 kB)
Advertising Fund(PDF: 810 kB)
County Service Area #40 Fire Services(PDF: 606 kB)
Enterprise Financial System Post Implementation Review(PDF: 1.09 MB)
Russian River Recreation and Park District(PDF: 255 kB)
Sheriff's Office Inmate Welfare and Jail Store Trust Funds(PDF: 913 kB)
Shiloh Public Cemetery District(PDF: 482 kB)
Social Security Number Truncation Program(PDF: 283 kB)
Transient Occupancy Tax Operator Collections & Remittances Compliance Audit(PDF: 352 kB)
Worker's Compensation Insurance Fraud(PDF: 194 kB)
Youth Education and Employment Program Monitoring(PDF: 133 kB)
Abandoned Vehicle Abatement(PDF: 261 kB)
Advertising Fund(PDF: 224 kB)
Airport Lease Follow Up Audit(PDF: 175 kB)
Cal Card Program Audit Follow-up(PDF: 216 kB)
County Service Area #40 Fire Services(PDF: 704 kB)
DTPW Contract Compliance Audit - Refuse Analysis Follow Up(PDF: 176 kB)
Northern Sonoma County Air Pollution Control District-Follow-up(PDF: 190 kB)
Probation Department Juvenile Records and Accounts(PDF: 198 kB)
Russian River Recreation and Park District(PDF: 247 kB)
Sheriff's Civil Bureau Audit Report(PDF: 123 kB)
Shiloh Public Cemetery District Annual Report(PDF: 252 kB)
Sonoma County Open Space District-Follow up Audit(PDF: 169 kB)
Sonoma County Tourism BIA Follow-up AUP(PDF: 271 kB)
Transient Occupancy Tax Admin Function Follow-Up Audit(PDF: 208 kB)
Transient Occupancy Tax Operator Collections & Remittance Compliance Audit(PDF: 762 kB)
Veterans Buildings Concessions Agreements Audit(PDF: 269 kB)
Worker's Compensation Insurance Fraud(PDF: 242 kB)
Youth Education and Employment Program Monitoring(PDF: 174 kB)
Airport Leases (PDF: 420 kB)
Advertising Fund (PDF: 322 kB)
County Service Area #40 Fire Services (PDF: 404 kB)
DTPW Contract Compliance Audit-Refuse Rate Analysis (PDF: 1.29 MB)
Economic Development Board & Foundation (PDF: 262 kB)
Probation Department Juvenile Records and Accounts (PDF: 369 kB)
Russian River Recreation and Park District (PDF: 804 kB)
Sea Ranch Zone 2 Contract Compliance and Follow Up Review (PDF: 206 kB)
Sheriff's Office Inmate Welfare and Jail Store Trust Funds (PDF: 361 kB)
Shiloh Public Cemetery District (PDF: 280 kB)
Sonoma County Payroll Process (PDF: 836 kB)
Treasury Investment Pool Compliance Audit 1st Quarter 2015 (PDF: 163 kB)
Treasury Investment Pool Compliance Audit 2nd Quarter-2015 (PDF: 170 kB)
Treasury Investment Pool Compliance Audit 3rd Quarter-2015 (PDF: 218 kB)
Treasury Investment Pool Compliance Audit 4th Quarter-2015 (PDF: 214 kB)
Youth Education and Employment Program Monitoring (PDF: 134 kB)
Waste Management Agency (PDF: 261 kB)
Worker’s Comp Insurance Fraud (PDF: 255 kB)
Audit Manager