What Is Appraisal Gap?
Appraisal gap = Purchase Price − Appraised Value. You offer $320,000; the appraiser says $295,000. Gap = $25,000. Your lender will only finance based on the lower number, so you must: (1) bring extra cash to cover the gap, (2) renegotiate with the seller, (3) waive the appraisal contingency and walk away (losing earnest money if you had one), or (4) dispute the appraisal. In hot markets like Nashville or Phoenix, buyers often waive contingencies and plan for gaps—having 5–10% of purchase price in reserve is common.
An appraisal gap is the difference between your agreed purchase price and the appraised value—when the appraisal comes in below what you offered to pay.
At a Glance
- What it is: Purchase price minus appraised value
- Why it matters: Lender funds based on appraised value, not contract price—gap = cash you must cover
- Typical response: Renegotiate, bring cash, or walk (if you have appraisal contingency)
- Waiving contingency: No appraisal contingency = you're committed even if appraisal is low; have gap reserves
Appraisal Gap = Purchase Price - Appraised Value
How It Works
Why gaps happen. Appraisers use comparable sales—recent sold data. In rising markets, contract prices outpace closed sales. You offer $340,000 in March; the best comp from January closed at $315,000. The appraiser can't use your contract as a comp. Result: appraisal lags. Gaps also occur when you overpay, when comps are weak (unique property, thin market), or when the appraiser is conservative.
Lender impact. Conventional loans typically cap LTV at 80% (or 97% for owner-occupied). If the appraised value is $300,000, the lender will finance 80% of $300,000 = $240,000. Your $320,000 purchase requires $80,000 down. The gap ($20,000) doesn't change the loan amount—it increases your required cash. You need $80,000 instead of $64,000 (which would have been 20% of $320,000).
Covering the gap. Option A: Bring more cash. Option B: Renegotiate—ask the seller to reduce price to appraised value or split the difference. Option C: Walk—if you have an appraisal contingency, you can terminate and get earnest money back. Option D: Appraisal dispute—submit additional comps; rarely succeeds but worth trying on clear errors.
Real-World Example
Denver townhouse. You offer $425,000 with 20% down ($85,000). Appraisal comes in at $398,000. Gap: $27,000. Lender will finance 80% of $398,000 = $318,400. You need $425,000 − $318,400 = $106,600 cash. Your original plan was $85,000. You're short $21,600. You ask the seller to reduce to $410,000—splitting the gap. They agree. New loan: 80% of $398,000 = $318,400. You put down $91,600. You had $90,000 in reserves—you scrape together the extra $1,600 and close. Without the renegotiation, you would have needed $106,600 and likely would have walked.
Pros & Cons
- Renegotiation leverage—low appraisal gives you a reason to ask for a price cut
- Appraisal contingency protects you—walk with earnest money if you have one
- Forces discipline—don't overpay in euphoria
- Dispute option—sometimes appraisers miss comps or make errors
- Can kill deals—sellers may refuse to renegotiate
- Cash strain—covering a $30,000 gap can wipe reserves
- Waiving contingency is risky—no exit if appraisal fails
- Disputes rarely work—lenders often stick with original appraisal
Watch Out
- Waiving appraisal contingency: In competitive markets, buyers waive to win. That means you're committed—if the appraisal is $50,000 low, you must cover it or lose earnest money. Have 5–10% of purchase price in gap reserves before waiving.
- Overbidding without reserves: Bidding $40,000 over list without cash to cover a gap is a recipe for losing your deposit or scrambling at closing.
- Assuming renegotiation works: Sellers can refuse. Have a Plan B (extra cash) or be willing to walk.
- Dispute fatigue: Appraisal disputes take time and often fail. Weigh the delay against the likelihood of success.
Ask an Investor
The Takeaway
Appraisal gap = Purchase Price − Appraised Value. When the appraisal comes in low, you must cover the difference in cash, renegotiate, or walk (if you have an appraisal contingency). In hot markets, buyers often waive contingencies—have 5–10% of purchase price in gap reserves. Never overbid without a plan for a low appraisal.