Important Dates

For Martin County business owners who requested an extension to file their Tangible Personal Property Tax Return, May 15th is the deadline to get those returns to our office to avoid penalties.

Event Date May 15, 2026

Our Offices will be closed on Monday, May 25th in observance of Memorial Day. Our Offices will reopen on Tuesday, May 26th at 8:00 am.

Event Date May 25, 2026

Deadline to certify the preliminary tax roll to the Department of Revenue

Event Date July 1, 2026

Deadline for filing petitions to the Value Adjustment Board on denied exemptions and agricultural classifications or within 30 days after the property appraiser mails the denial notice to the owner. The property appraiser must mail all denial notices by July 1.

Event Date July 30, 2026
Event Date September 7, 2026
Event Date November 26, 2026
Event End Date November 27, 2026
Event Date December 24, 2026
Event Date December 25, 2026