Md. Code, Business Regulation § 17-603
§17–603.
An applicant for a construction license or nonresident construction license shall pay to the clerk a license fee of:
(1) $15 for a license in a county other than Baltimore City, Baltimore County, or Cecil County;
(2) $40 for a license in Baltimore City or Baltimore County; or
(3) $30 for a license in Cecil County.