Revenue Authority Revenue Authority We are a quasi-governmental entity. We serve as a real estate development and development and finance agency, an operator and manager of programs and facilities within the County. Learn About Us Alarm System Permits Effective August 22, 2025, physical alarm system permit decals will be replaced with electronic permits. Learn About the Update Watercraft Parking Boats and other watercraft can no longer park on public streets, roads, highways, and rights-of-way in the County. Learn how to avoid getting fined or having your watercraft towed. Learn About Violations Popular Services Parking Citations Residential Parking Permit Abandoned Vehicle False Alarm Reduction Unit
Contact Revenue Authority Connect 301-772-2060 Address 1300 Mercantile Ln Suite 108 Largo, MD 20774 Hours Monday - Friday 8:30 am - 4:30 pm