1031 exchange deadline calculator

Enter the closing date of the property you sold to see estimated 45-day and 180-day dates. It runs entirely in your browser: nothing is saved or sent.

Will you file a tax return extension?
  • Deadlines count calendar days, including weekends and holidays.
  • Deadlines end at midnight.
  • This tool does not move dates that land on a weekend.
  • Disaster postponements may apply in some cases. Confirm with your QI or CPA.

Enter a closing date to see your estimated deadlines.

Educational estimate only. This tool can't confirm eligibility or your legal deadlines. Confirm your dates with your qualified intermediary and tax adviser.

Frequently Asked

Deadline questions

At midnight on day 45 after the property you're selling transfers. If you sell several properties on different dates, the clock starts at the earliest sale.

At midnight on day 180, or on your tax return due date (including extensions) for the year of the sale, whichever comes first.

No. Both deadlines count calendar days, including weekends and holidays.

Next Step

Book a 15-minute call with Joshua

Talk through your dates and how the replacement search fits inside them.

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Joshua Sterling is a REALTOR® with RE/MAX Associates. He handles the real estate side of your exchange and is not a CPA, attorney, investment adviser or qualified intermediary. Confirm exchange eligibility, deadlines and tax treatment with your qualified intermediary and tax adviser.