Town Hall Address 523 Egg Harbor Rd. Sewell, NJ 08080 United States- Gloucester County Website http://www.twp.washington.nj.us County Clerk 856-589-0520 Ext. 213 523 Egg Harbor Rd. Sewell, NJ 08080 United States County Admin 856-589-0520 Ext. 239 523 Egg Harbor Rd. Sewell, NJ 08080 United States Assessor 856-307-6445 523 Egg Harbor Rd. Sewell, NJ 08080 United States Tax Collector 856-589-0520 Ext. 257 523 Egg Harbor Rd. Sewell, NJ 08080 United States County Gloucester