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1031 Exchange: Sell vs. Exchange Calculator

Expose realized-gain, equity-reinvestment, liability, depreciation-character, and document questions before the deadlines start.

No account required Educational, not individualized advice

Estimated realized gain before character review

$568,000

$180,000 of entered depreciation requires Section 1245/1250 character review

Net sale equity screen

$708,000

Net sale proceeds less entered debt payoff

Equity reinvestment gap

$0

A planning flag only, not calculated cash boot or recognized gain

Gross liability replacement gap

$0

Shown separately because liabilities and cash must be netted under the actual exchange facts

No tax or deferral amount is calculated. Depreciation character, liability netting, cash paid or received, qualified-intermediary documents, and Form 8824 ordering determine recognized gain and basis.
Review the exchange before the sale
45 days: identify replacement property within the identification period.
180 days: complete the exchange within the exchange period, subject to the return due-date rule.
Before closing: engage the qualified intermediary before receiving sale proceeds.

Educational estimate, updated August 23, 2026. This screen deliberately stops before boot, recognized gain, tax, deferred gain, and replacement basis. Actual liabilities, cash, related parties, installment treatment, depreciation character, state conformity, identification, timing, and qualified-intermediary documents require transaction-specific review.

How to use the result

Use the answer as a decision screen

The result is designed to expose the variables worth investigating, not to replace transaction documents, tax returns, or professional judgment.

01

Pressure-test inputs

Run a base case and a conservative case. A decision that works only under perfect assumptions needs more diligence.

02

Separate cash from tax

A tax benefit cannot rescue weak economics. Evaluate operating cash, financing, and tax effects separately.

03

Document before acting

Save the source documents and assumptions a CPA will need to validate the treatment.

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Frequently asked questions

These answers explain the model’s boundaries.

Does a 1031 exchange eliminate tax?

Generally it defers eligible gain into replacement property basis. Later dispositions and non-like-kind property can create recognition.

What is boot?

Cash, debt relief, or other non-like-kind value received can trigger recognized gain. Actual netting and closing mechanics require document review.

When do the 45- and 180-day periods begin?

They generally run from the transfer of the relinquished property, subject to the statutory rules and return due-date limitation.