Franklin County homeowners should brace themselves. Figures released Monday by county Auditor Clarence Mingo suggest that homeowners’ property values will rise at least 10 percent when the county reassesses property this year. “There will be significant adjustments in some areas,” Mingo said. “We don’t want property owners to be surprised.”adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-BUSINESS","nativepaywallcategory" : "NATIVE_PREM-BUSINESS"};