A simultaneous exchange closes the sale of your old property and the purchase of the new one at the same time — no waiting period, no funds parked for weeks. In its purest form, two owners simply trade deeds. More commonly, it's two ordinary closings scheduled back-to-back on the same day, with a qualified intermediary still in the middle.
Why it's rare
Finding someone who wants exactly your property while owning exactly the one you want is a coincidence, not a plan. And even with a willing counterparty, coordinating two closings to the same day invites disaster: one delayed wire, one missing signature, and the "simultaneous" part fails — potentially taking your tax deferral with it if funds route incorrectly. The delayed exchange exists precisely to remove that fragility, which is why it took over the moment courts allowed it.
If your closings do land on the same day
Use an intermediary anyway. The safe-harbor paperwork costs a few hundred dollars more and protects the exchange if either closing slips by even a day. A true two-party deed swap with no intermediary is legal but leaves zero room for error — there's no good reason to accept that risk to save a modest fee.
See the standard process instead →The delayed exchange timeline handles same-day closings gracefully too