Quick Reference Numbers

  • City of Aberdeen: 410-272-2222
  • City of Havre de Grace: 410-939-1800
  • Clerk of the Circuit Court - Harford County: 410-638-3474
  • Harford County Government - Revenue Collections: 410-638-3269
  • Harford County Government - Water & Sewer Billing: 410-638-3311
  • Maryland Assessment & Taxation: 410-836-4800
  • Real estate tax credits: 410-638-3450
  • Town of Bel Air: 410-638-4555