Sometimes, partway through your loan, the lender says the magic words: "no appraisal needed." That's an appraisal waiver — also called a property inspection waiver (PIW), and today branded "value acceptance" by Fannie Mae and ACE (automated collateral evaluation) by Freddie Mac — and it saves time and money. But it isn't guaranteed, and yes, a loan can lose one mid-process.
What a PIW / appraisal waiver is
When your file goes through the agency automated underwriting system — DU for Fannie Mae, LPA for Freddie Mac — the system evaluates your loan, the property, and the valuation data already on file. Based on all of that, it may offer to waive the traditional appraisal and accept an existing value instead. There's no new appraiser visiting the home; the system leans on data it already trusts.
Why it's a nice thing to get
- It saves the appraisal fee — typically a few hundred dollars.
- It saves time in the process.
- It removes appraisal risk — no low-appraisal surprise to renegotiate around.
Who tends to get one
Waivers are offered, not requested, and they don't go to everyone. They show up most on lower-LTV loans, rate-and-term refinances, and properties with solid existing valuation data. If your loan is higher-risk or the data is thin, expect a full appraisal.
Can a loan lose its PIW in process? Yes — here's how
The waiver is tied to the exact data submitted when it was issued. Change those inputs and re-run the file, and the offer can disappear:
- The loan amount or value changes (a price change, a new down payment), forcing a fresh AUS run that doesn't return the waiver.
- The occupancy or property type changes.
- The value used is no longer supported by the data.
- The lender applies its own overlays, or something about the property surfaces — condition concerns, or a natural disaster in the area — and they require an appraisal anyway.
In short: a PIW reflects a snapshot of your file. Disturb the snapshot, and the waiver can vanish on the next run.
The move
If you're granted a waiver, avoid changing loan terms that trigger a re-run, and understand it can still be withdrawn. Smart borrowers keep a few hundred dollars in their back pocket for an appraisal, just in case the waiver doesn't survive to closing.
How appraisal waivers are issued and revoked is governed by the agencies' automated systems and your lender's overlays, and the rules change periodically — confirm your situation with your loan officer.