Green Cove Spgs County Government Finance and Taxation 477 Houston St Official site of the Clay County, Florida Tax Collector. Renew vehicle registrations, make property tax payments, and buy Florida hunting and fishing licenses. Green Cove Spgs FL County Government Finance and Taxation Clay County Tax Collector www.claycountytax.com Clay County Florida Tax Collector hunting and fishing license car titles license plates handicap placard property tax vessels mobile homes tourist tax tax certificates advertising list delinquent taxes tax due dates Clay County Florida Tax Collector hunting and fishing license car titles license plates handicap placard property tax vessels mobile homes tourist tax tax certificates advertising list delinquent taxes tax due dates Business Reviews Clay County Tax Collector Testimonials