1031 deadline calculator
Your Day 45 and Day 180.
Enter the closing date of the property you sold. We show both deadlines, the days left, and where you are on the timeline.
Calculator
The day your relinquished property transferred.
Day 45
Identification deadline
Enter a closing date to see it.
Day 180
Exchange deadline
Enter a closing date to see it.
Calendar days. Deadlines count every calendar day from closing. They do not move for weekends or holidays.
Tax return due date. The 180-day deadline can come earlier if your tax return due date for the year of the sale, including extensions, falls first.
How the dates work
What the calculator does, and does not do.
Calendar days
Day 1 is the day after closing. Every calendar day counts, including weekends and holidays. A deadline on a Sunday stays on Sunday.
Tax return due date
Day 180 can come sooner if your tax return for the year of the sale is due first. Filing an extension usually preserves the full 180 days. Ask your tax advisor.
Confirm with your QI
This tool is for planning. Your qualified intermediary confirms your official dates in writing after closing.