Town Hall Address 400 E. Central Ave. Mount Holly, NC 28120 United States- Gaston County Website https://www.mtholly.us/ Zoning 704-951-3012 400 E. Central Ave. Mount Holly, NC 28120 United States Fire District 704-822-2927 433 Killian Ave. Mount Holly, NC 28120 United States Town Clerk 704-827- 3931 400 E. Central Ave. Mount Holly, NC 28120 United States Water 704-827- 3931 400 E. Central Ave. Mount Holly, NC 28120 United States Sewer 704-827- 3931 400 E. Central Ave. Mount Holly, NC 28120 United States Tax Collector 704-951-3002 400 E. Central Ave. Mount Holly, NC 28120 United States Code Enforcement 704-951-3012 400 E. Central Ave. Mount Holly, NC 28120 United States Town Hall Hours Monday - Friday: 8:00 A.M. - 5:00 P.M. County Gaston