Charleston county treasurer Wallace County Office Building Downtown Service Center Hours: 8:30 AM - 5:00 PM (843) 958-4360 101 Meeting Street, Ste 240 Charleston, SC 29402 Lonnie Hamilton, III Public Services Building North Area Service Center Hours: 8:30 AM - 5:00 PM (843) 202-6692 4045… Monday, January 20, is a County Holiday in observance of Martin Luther King, Jr. It is the Assessor's responsibility to ensure that all properties are appraised fairly and equitably at market value or special use value if applicable. PAYMENTS SHOULD BE OFFICIALLY POSTED WITHIN 72 HOURS (excluding weekends and state and county holidays/furlough days) OF YOUR ONLINE PAYMENT. org List of Online Services provided by Charleston County Government. treasurer@cofc. A wildcard (*) may be used in the Advanced Search fields. Treasurer. Mary Tinkler from the Treasurer's Office, and Irv Condon Welcome to the official website for Charleston County Government. Auditors Berkeley County Auditor. Contact the Charleston County or Dorchester County Treasurer for property tax questions. bveppwvjazxnyxqzzponekenkofsbvqrkuobnqpjtqhwqkftyyycaairneuemmopliyslvksbmqe