A Florida Homestead exemption will typically result in property tax benefits, including capping future property tax increases. So if your Florida home is your primary residence, it is certainly worth filing.
The request for a Florida Homestead exemption needs to be filed by the end of February.
This year the Pinellas county deadline is technically March 2, 2020.
Here is a link to file electronically. https://www.pcpao.org/