1031 Exchange Deadline Calculator (2026 Rules)

Planning to sell an investment property and defer capital gains tax? The 1031 Exchange is a powerful tool for building wealth, but the IRS timelines are strict.

Use our free 1031 Exchange Calculator to instantly determine your critical 45-day identification and 180-day closing deadlines.

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Exchange Deadline Calculator

45-Day Identification Deadline
You must identify potential replacement properties in writing by this date.
180-Day Exchange Period Deadline
You must close on the new replacement property by this date.
*Note: If a deadline falls on a weekend or holiday, the IRS generally does NOT extend the deadline. Always verify with your Qualified Intermediary (QI).

What is the 1031 Exchange Rule?

Under Section 1031 of the Internal Revenue Code (IRC), a real estate investor can defer paying capital gains taxes on an investment property if they reinvest the proceeds into a "like-kind" property of equal or greater value.

Critical Timelines Explained

  • Day 0 (Sale Date): The day you close on the sale of your old property.
  • Day 45 (Identification Period): You must submit a list of potential replacement properties to your Qualified Intermediary. This is a strict deadline.
  • Day 180 (Exchange Period): You must complete the purchase of the new property. This timeline runs concurrently with the 45-day period.

Disclaimer: This tool is for educational purposes only. Strict IRS rules apply. Always consult with a CPA or Qualified Intermediary before starting an exchange.

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