Monroe County Tax Collector Office Monroe County Tax Collector Office Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Family, Community & Non-Profit >> Chamber Supporters Monroe County Tax Collector Office 1200 Truman AveKey West, FL 33040 305-295-5051 Visit Site Send a message to: Monroe County Tax Collector Office Your Name: Your Email: Subject: Message: (Date: 6/14/2025)