1031 Exchange Tax & Deadline Calculator

Estimate the tax a sale would trigger and get your 45-day and 180-day exchange deadlines.

Expected sale price

Selling costs (commissions, transfer taxes, legal)

Original purchase price plus capital improvements

Total depreciation taken while you owned it

Federal long-term capital gains rateSubject to the 3.8% net investment income taxState income tax rate (%)

Sale closing date

Estimated tax a full 1031 exchange could defer$215,307

Total gain: $678,000
Depreciation recapture (up to 25%): $37,500
Capital gains tax at 20%: $105,600
Net investment income tax: $25,764
State tax: $46,443
Identify replacement property by (day 45): -
Close on replacement by (day 180): -

Estimate only. A CPA will confirm what applies to you.

Plan my exchange with a CPA

Before you sign the sale contract

Engage a qualified intermediary before closing
Never receive or control the sale proceeds
Plan to buy equal or greater value and replace the debt paid off
Identify replacement property in writing within 45 days
Hold the new property for investment or business use
Compare an Opportunity Zone investment if you may not find a property

Turn an estimate into a plan

This calculator uses simplified 2026 federal rules to show whether an idea is worth a conversation. A CPA can confirm the numbers with your actual returns, check eligibility and deadlines, and put the plan in place.

Book a consultation About our 1031 Exchange & Opportunity Zone Planning service See all free calculators

Educational estimate, not tax advice.