Town Hall Address 711 Pennington Ave. Havre De Grace, MD 21078 United States- Harford County Website https://havredegracemd.gov/ Zoning 410-939-1800 711 Pennington Ave. Havre De Grace, MD 21078 United States Fire District 410-939-2295 125 N Union Ave. Havre De Grace, MD 21078 United States Town Clerk 410-939-1800 711 Pennington Ave. Havre De Grace, MD 21078 United States Water 410-939-1800 711 Pennington Ave. Havre De Grace, MD 21078 United States Sewer 410-939-1800 711 Pennington Ave. Havre De Grace, MD 21078 United States Tax Collector 410-939-1800 711 Pennington Ave. Havre De Grace, MD 21078 United States Code Enforcement 410-939-1800 711 Pennington Ave. Havre De Grace, MD 21078 United States Town Hall Hours Monday - Friday: 8:00 A.M. - 5:00 P.M. County Harford