Town Hall Address 18332 Route 27 Titusville, PA 16354 United States- Warren County Tax Collector 814-436-7639 17643 Route 27 Titusville, PA 16354 United States Zoning 814-728-3512 8:30AM – 4:30PM 204 4th Ave. Warren, PA 16365 United States Fire District 814-436-7812 RD #1 Grand Valley, PA 16420 United States Sewer 814-723-3775 1137 Follett Run Rd. Warren, PA 16365 United States County Warren