

Greater Phoenix entered 2026 with a median sales price of $444,740 and average days on market of 94 days--up 13.25% year over year (ARMLS STAT, February 2026). New listings surged nearly 97.5% month over month in January 2026, pushing active inventory to 24,358 homes. West Valley submarkets--Goodyear, Surprise, Buckeye--are carrying more supply relative to demand than the East Valley, giving buyers in those areas both more time and more room to negotiate.
That market dynamic matters for appraisal waivers because the AVM (automated valuation model) powering the waiver decision draws on historical closed-sale data. In a market where the median sold price per square foot is down 2.78% year over year as of January 2026 (ARMLS), older data in the system may not reflect current conditions. That gap is where buyer exposure lives.
When a lender submits your loan application, it runs through an automated underwriting system (AUS)--Fannie Mae's Desktop Underwriter (DU) or Freddie Mac's Loan Product Advisor (LPA). That system reviews prior appraisal data, public tax records, MLS sales history, and property characteristics. If the data picture is clear and the overall risk profile is low, the system can allow the lender to skip the traditional in-person appraisal.
This is called a lender appraisal waiver--also known as a Property Inspection Waiver (PIW) or Fannie Mae's "Value Acceptance" program. No appraiser visits the property. No appraiser measures rooms, evaluates condition, or pulls comparable sales. The automated model handles the collateral decision.
In early 2025, Fannie Mae expanded the Value Acceptance program to allow waivers on purchase loans up to 90% LTV--previously the ceiling was 80%. That means a buyer putting 10% down may now qualify for a waiver where they previously could not. For refinances, the program can stretch to 97% LTV in some scenarios (Fannie Mae SEL-2025-01).
Critical note: FHA, VA, and USDA loans do not offer appraisal waivers as of 2026. If you are financing with a government-backed loan, this decision is already made for you--you will have an appraisal.
This distinction trips up a significant number of Phoenix buyers, and the confusion has real contract consequences.
A decision made by your lender's automated underwriting system. Determines whether an in-person appraiser is hired. Has no effect on your purchase contract or your buyer protections.
A clause in the Arizona Residential Resale Purchase Contract. Gives the buyer the right to renegotiate or cancel if an appraisal comes in below purchase price. Protects the buyer--not the lender.
You can have a lender appraisal waiver and still keep the appraisal contingency in your contract. You can also have a traditional appraisal ordered and separately waive the contingency as a competitive offer strategy. These are independent levers. Treating them as the same thing is how buyers end up contractually exposed in ways they did not intend.
The Arizona Association of Realtors provides an Appraisal Shortfall provision in the Additional Clause Addendum that allows buyers to define a specific dollar cap on how much shortfall they will cover. If the gap between the appraised value and the purchase price exceeds that cap, the buyer retains the right to cancel and recover earnest money.
A traditional appraisal takes 7 to 14 days in Phoenix, from scheduling through report delivery. In a market where average DOM is 94 days and sellers are less pressured than in 2021-2022, a faster close is a real offer differentiator--but it no longer carries the same weight it did during the frenzy. In the current West Valley environment, most sellers have enough runway to wait for a financed offer with a standard appraisal.
A traditional Phoenix-area home appraisal runs $400 to $800 depending on property type, size, and location. Skipping it is real money saved. For capital-constrained buyers stretching to close, this matters. For buyers with adequate reserves, it is a smaller consideration relative to the valuation risk being accepted.
This is the core exposure. When a waiver is accepted, no human visits the property. The automated model does not know if the roof is at end of life, the floor plan has a functional layout issue, the home backs to a noisy arterial road, or a commercial easement affects value. It cannot evaluate condition, location nuance, or micro-market trends not yet reflected in closed-sale data.
In a market where the median price per square foot has declined 2.78% year over year (ARMLS, January 2026), the risk that AVM data skews high relative to current conditions is real. If the model was trained on data from 6 to 12 months ago and the market has softened in the interim, the automated valuation may approve a loan on a property the buyer is overpaying for--with no independent flag. For buyers putting 10% down under the expanded 90% LTV eligibility, that margin for error is thin.
The waiver works best under specific conditions: you are putting 20% or more down on a conventional loan, the AVM has abundant recent data on the property and submarket, you have verified the purchase price against your own comp analysis, you are not planning to sell within 24 months, and the time savings genuinely benefit the transaction.
It also makes sense for refinances where the property was recently appraised, market values have been stable, and the goal is simply to reduce closing costs and timeline on a straightforward rate-and-term refinance.
Decline the waiver if you are making a low down payment purchase in a submarket where price per square foot data is thin or declining. Decline if the property has unique characteristics--unusual lot, non-conforming layout, significant improvements, or location quirks--that an AVM cannot accurately evaluate. Decline if you have any doubt about whether the purchase price reflects current market conditions.
The honest assessment: in Phoenix's current West Valley market, where inventory is elevated, days on market are long, and per-square-foot values have softened year over year, a traditional appraisal functions as an independent intelligence check on your offer price. The $500 cost buys you a licensed professional's analysis of whether you paid fair market value. In a buyer-favoring market, that check is more valuable than it was when everything appraised at contract price automatically.
The appraisal waiver decision is one of several strategic levers in a Phoenix purchase contract that buyers frequently misunderstand or conflate. If you are evaluating an offer in the West Valley or anywhere in Greater Phoenix in 2026, the intelligence brief starts with understanding what each clause in your contract does--and what it costs you to waive it.
📅 Agent ReferralRon Guzman | Sold By Ron & Jill Group | Licensed with Keller Williams Arizona Realty | 4236 N Verrado Way, Suite 102, Buckeye AZ 85396 | Equal Housing Opportunity | Each Keller Williams office is independently owned and operated.