Ocean Springs Mayor Connie Moran took to Facebook on Thursday to explain her "driveway drama."
"If anybody should've known better, it should've been me," she said.
A diamond-shaped sliver of concrete that cost about $230 was added to allow two vehicles to park side-by-side.
But her house is in the Historic Preservation District and a 2012 ordinance requires a permit for structural changes over $100.
The Board of Aldermen on Tuesday went into executive session to discuss a possible violation of the Historic Preservation Ordinance.
"I am well aware of the historical preservation commission requirements for changes to the house and have been through that process, but let me apologize to the HPC and to all citizens for my mistake regarding the slight driveway functional improvement," she said.
Moran has since applied for a permit, paying double the $25 fee.
"In small cases like this the chairman and vice chairman of the HPC have the discretion to approve the improvement, and it will be ratified by the full HPC at their August meeting," she said.
She also completed a "certificate of appropriateness" even though commission does not require a certificate for minor improvements such as this one.
Her situation should be a reminder to everyone that structural, mechanical and electrical changes require a permit from the Building Office, she said.