45 and 180 Day Calculator for 1031 Exchange Deadlines | HarvRealtor.com
Harv Balu
HarvRealtor.com
45 and 180 Day Calculator
Use this to estimate two key 1031 exchange timing deadlines based on your sale closing date. This tool shows the 45 day identification deadline and the 180 day exchange deadline using simple calendar day counting. Always confirm your exact dates with your qualified intermediary and your tax advisor.
How the timing works
From the closing on the sale of the relinquished property, an exchanger must:
- Identify potential replacement properties within 45 calendar days
- Close on replacement properties within 180 calendar days, or by the tax return due date including extensions, whichever is earlier
This calculator does not model tax return due date limits. It simply adds 45 days and 180 days to your closing date.
Enter the sale closing date
Choose the month, day, and year. Then select Get date to calculate your deadlines.
Tip: if you close late at night, confirm how your intermediary defines the closing date for counting.
Closing date selected
Relinquished property sale closing date
Not set
Deadline results
45 day identification deadline
Ends at midnight of
Not set
180 day exchange deadline
Ends on
Not set
If your tax return due date including extensions is earlier than 180 days, your real deadline can be earlier. Confirm with your CPA and qualified intermediary.
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Enter a closing date
Closing date
Not set
45 day deadline
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180 day deadline
Not set
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Disclaimer. This calculator is for educational and estimating purposes only. It is not tax advice, legal advice, accounting advice, or a substitute for professional guidance. 1031 exchange timing rules can be strict and can be affected by additional requirements, including the tax return due date including extensions. Always confirm deadlines, identification rules, and documentation requirements with your qualified intermediary and your tax advisor before acting. Presented by Harv Balu, REALTOR®. HarvRealtor.com.