OFFICES AND OFFICERS ‑- COUNTY ‑- TREASURER ‑- TAXATION ‑- SPECIAL ASSESSMENTS ‑- IMPOSITION FEES FOR SERVICES BY COUNTY TREASURER The provisions of RCW 36.29.180 only authorize a county treasurer to charge and collect a fee for his services in handling, collecting, disbursing and accounting for funds collected pursuant to the assessment rolls of a political subdivision as distinguished from the county's own assessment rolls for ad valorem property tax purposes.