Allegheny County offices, clinics, and departments will close on Wednesday, December 24, 2025 at 12:00 pm (noon), and will resume business on Friday, December 26, 2025.
Monday, May 25, 2026 | 12:00 AM to 11:55 PM
Memorial Day is held on the last Monday of May, honoring the U.S. military personnel who died while serving in the United States Armed Forces.
County offices will be closed on May 25, 2026. View County Holidays(PDF, 85KB)