St. Petersburg Search St. Petersburg Search The City of St. Pete charges a tax for Incorporated City of St. Pete Addresses. Choose unincorporated search only if you are in another city in this area or you are NOT in the Incorporated City of St. Pete. Unincorporated Search >> Incorporated City of St. Pete >> *Need help determining if you're in an incorporated area? Scroll down. How to check your address/tax area: Visit the Pinellas County website and enter your address on this page to see if you are in an incorporated area. Pinellas County Address Lookup Still Have Questions? Your satisfaction is important to us. Contact Us!