 Dover Project, one of nearly 150 included in the most recent round of federal infrastructure grants. Kent County Levy Court increasing a public works related fee that hasn't been increased in more than 15 years. Residential and commercial permit inspection fees are going up for the first time since 2008. For residents, the fee is now $130 and for commercial property, it's $500. Sewer impact fees, which typically go up annually, will also be increased again this year.