Mecklenburg County is warning property owners about a scam letter that has surfaced, with a demand for money on what appears to be official letterhead. Pay in person at the Cashier's Office in the Mecklenburg County Courthouse.There is an ATM located on Level 2 for your convenience. Mecklenburg County SelfServe Center forms created for use in Mecklenburg County courts. Low income residents of Mecklenburg County may be eligible for short-term assistance here.