Instantly calculate your critical 1031 exchange deadlines. Enter your relinquished property closing date and get exact deadlines for 45-day identification and 180-day acquisition.
Day 1: The day after your relinquished property closes. The 45-day and 180-day clocks start the next day.
45-Day Identification Deadline: Midnight of the 45th calendar day. Must deliver written identification of replacement property to your QI or any party to the exchange.
180-Day Acquisition Deadline: The earlier of 180 calendar days or your tax return due date. You must close on replacement property by this date.
No Extensions for 45-Day Deadline: Missing midnight on Day 45 = automatic disqualification. No exceptions except federally declared disasters.
180-Day & Tax Return Due Date: If your exchange is initiated late in the calendar year, the 180-day period may extend past April 15. Your deadline is April 15, UNLESS you file Form 4868 (extension) to extend your return to October 15.
For the interactive deadline calculator with countdown alerts, visit the Deadline Widget.