List of Florida Local Government Offices For Sinkhole Research – List of websites for County Property Appraiser and County Planning & Development / Building Dept.
Florida Department of Environmental Protection – The DEP has a sinkhole map based on the data it gathers. Does not provide data at property level but a good data source for cross checking.
http://www.plotscan.com/ – Search for sinkholes near the address you input. Does not provide data at property level but a good data source for cross checking.
Sinkhole Related Questions
Essential Guide to sinkholes in Florida – Thinking of moving to Florida or buying a house in Florida? Check this Florida sinkhole guide to find out more about sinkholes in Florida.