Town Hall Address 1800 Space Park Dr., Suite 200 Nassau Bay, TX 77058 United States- Harris County Website http://nassaubay.com Fire District 281-333-4211 Ext. 2677 18295 Upper Bay Rd. Nassau Bay, TX 77058 United States Town Clerk 281-333-4211 Ext. 6299 1800 Space Park Dr., Suite 200 Nassau Bay, TX 77058 United States Water 281-333-4211 Ext. 7046 18295 Upper Bay Rd. Nassau Bay, TX 77058 United States Sewer 281-333-4211 Ext. 7046 18295 Upper Bay Rd. Nassau Bay, TX 77058 United States Tax Collector 281-333-4211 Ext. 6284 1800 Space Park Dr., Suite 200 Nassau Bay, TX 77058 United States Code Enforcement 281-333-4211 Ext. 6296 1800 Space Park Dr., Suite 200 Nassau Bay, TX 77058 United States County Harris