By Eric Berman, REALTOR® | The Eric Berman Team at Compass
TL;DR:
An appraisal gap means the lender's appraiser valued the home below the contract price, and the lender will only lend against the appraised figure. What happens next is not a matter of strategy — it's determined by the appraisal contingency negotiated into the contract weeks earlier. That language decides whether the buyer can walk with their deposit, must proceed anyway, or is obligated to bring additional cash. Sellers reading about their "options" should read their contract first. And the challenge process is narrower than most people think: the appraisal belongs to the lender, and a formal reconsideration is requested by the buyer through that lender, not by the seller's side.
Read the Contract Before Considering Anything Else
Most content on this subject presents a menu — buyer covers the gap, seller reduces, split the difference, challenge, cancel. Those describe possible outcomes rather than available choices, and which ones are actually on the table was settled before the appraisal was ever ordered.
The appraisal contingency is the provision that governs. A contract with a standard contingency generally permits the buyer to withdraw and recover their deposit if the appraisal comes in below the contract price. A contract where the buyer waived that contingency, or agreed to gap coverage, puts them in a materially different position — potentially obligated to proceed and bring the difference in cash.
So the first call is not to the appraiser or the buyer's agent. It's to the seller's attorney, to establish what the contract actually requires of each side. Sellers who skip that step negotiate from a position they don't understand, sometimes conceding something they never had to.
This is also the strongest argument for engaging an attorney before listing rather than after an offer — the contingency language a seller accepts at contract signing determines their leverage in exactly this moment.
Why Gaps Happen on Long Island
Four causes account for most of them, and knowing which one applies shapes the response.
The offer exceeded the comp set. In competitive situations buyers bid above what recent sales support. The appraiser is looking at closed sales, not at how many people wanted the house. This is the most common cause and the most predictable — a seller who knew the accepted offer was well above the comps should not be surprised.
The property is difficult to compare. Homes with unusual configurations lack clean comparables. This is common in Levittown, where expansions and dormers have made once-identical houses very different, and in any market with heavily renovated or architecturally distinctive properties. An appraiser without a close match makes adjustments, and adjustments introduce variance.
Thin recent sales in the band. Where few comparable homes have closed recently, the appraiser is working from older or less similar data.
The appraiser is working outside their usual territory. Lenders assign from panels, and the assigned appraiser may not regularly cover the specific sub-market. Someone unfamiliar with what separates one Nassau town from the next may miss adjustments a local appraiser would make automatically.
Worth noting: cash buyers face no appraisal at all, since there's no lender requiring one. That's part of why a cash offer carries certainty a financed offer doesn't, and it's a factor in comparing what each offer actually nets.
The Challenge Process, Accurately
This is where the common advice goes wrong, and the correction matters practically.
The appraisal belongs to the lender. It was ordered by them, paid for by the buyer, and prepared for the lender's use in deciding how much to lend. A seller typically never receives a copy — the buyer has a right to one and may or may not share it.
The formal challenge is a Reconsideration of Value, and it is requested by the buyer, through their lender. Not by the seller, not by the seller's attorney, not by the listing agent. A seller who calls demanding a review will be told, correctly, that they have no standing.
What the listing side can do is genuinely useful: assemble comparable sales the appraiser may have missed, documentation of improvements with dates and costs, and correction of any factual errors in the report — square footage, bedroom count, lot size, condition. That package goes to the buyer's agent for submission through the lender.
Two realities to hold. An ROV succeeds most often when it identifies factual errors or genuinely omitted comparables, and least often when it simply disagrees with the appraiser's judgment. And the process takes time — often a week or more — which matters when a closing date is approaching.
Gap Coverage, and Why It's an Offer-Stage Decision
The single most effective protection against this situation is negotiated before it happens.
An appraisal gap coverage clause commits the buyer to bring additional cash if the appraisal comes in below the contract price. It appears in two common forms. Full coverage obligates the buyer to cover any shortfall. Capped coverage commits them up to a stated ceiling — a buyer might agree to cover the first $25,000 of any gap, with the contingency remaining available beyond that.
For a seller evaluating competing offers, this is a term worth weighing as heavily as price. An offer at $890,000 with gap coverage is frequently stronger than an offer at $905,000 without it, because the second one carries a real probability of returning to the table weeks later asking for a reduction.
Since August 17, 2024, buyer-agent compensation is also negotiated within each offer, which means a seller is now comparing offers across several dimensions simultaneously — price, compensation requested, deposit, contingencies, and gap coverage. Two offers at the same number can differ substantially once all of it is accounted for.
What the Options Actually Cost
Assuming the contract leaves room to negotiate, four paths exist and each has a real price.
Buyer covers the gap. Best outcome for the seller, available only if the buyer has the cash and the willingness. Many buyers, particularly those already stretched, simply don't.
Seller reduces to the appraised value. Straightforward, costs the difference, and keeps the deal on schedule. Worth weighing against what re-listing would cost — which is more than sellers assume once accumulated days on market and carrying costs are counted.
Split the difference. Common and often the practical resolution. The seller reduces partway, the buyer brings the rest.
Let it fail. Where the contingency permits, the buyer withdraws and recovers their deposit. The home returns to market with days on market accumulated and a known appraisal problem — the next financed buyer will face the same appraiser data. That last point is the one sellers underweight: a low appraisal is information about the comp set, and re-listing at the same price invites the same result.
The honest calculation is the reduction against the cost of the alternative: carrying the home longer, a weakened negotiating position, and a meaningful chance of arriving at a similar number anyway. The fuller picture of what carrying a home costs makes that comparison concrete.
A Worked Example
Consider a composite case — a Nassau County seller under contract at $845,000 on a home the comps supported near $815,000, after a competitive weekend produced three offers.
The appraisal came back at $818,000, a $27,000 gap. Nobody should have been surprised: the accepted offer had exceeded the comp set by roughly that margin, which is what the strongest cause of gaps looks like in practice.
His attorney reviewed the contract. The buyer had agreed to capped gap coverage of $15,000, so the buyer was obligated for that portion, with the appraisal contingency available beyond it.
The listing agent assembled two comparable sales that had closed after the appraiser's effective date and weren't reflected in the report. The buyer submitted a Reconsideration of Value through their lender. The appraiser adjusted to $826,000 — an $8,000 movement, which is a typical outcome when the submission identifies genuinely omitted comps rather than arguing judgment.
Final resolution: the revised appraisal at $826,000, the buyer's $15,000 committed coverage, and a $4,000 seller reduction closed the remaining distance. Everyone moved, the closing held its date.
The decisive factor was the gap coverage clause, negotiated three weeks earlier when it seemed like a small detail.
Where to Start
Before an offer is accepted: understand the appraisal contingency, and treat gap coverage as a term worth weighing against price. Before the appraisal: make sure the listing information is accurate and provide the appraiser's office with recent comparable sales and documentation of improvements. When a gap arrives: call the attorney and read the contract before responding to anything, then decide whether an ROV is worth pursuing based on whether there are genuine factual errors or omitted comps rather than a difference of opinion.
Sellers wanting a realistic read on where their home sits relative to the comp set — the thing that prevents most gaps — can start with a quiet look at present value.
The Honest Bottom Line
An appraisal gap is usually the market telling a seller something about the comp set, delivered late and by an inconvenient messenger. Where the accepted offer ran well above recent sales, the gap was foreseeable and the question is only how to resolve it.
The two things that matter most both happen before the appraisal exists: what the contingency says, and whether gap coverage was negotiated. Sellers who paid attention to those terms at offer stage have real protection. Sellers who focused only on price frequently discover they have less room than they assumed.
For anyone working through a gap on a specific transaction, with no pressure attached, that conversation is available whenever the timing suits.
This is general information, not legal or financial advice. Appraisal contingency terms, gap coverage language, and reconsideration procedures vary by contract and lender. Consult a licensed New York real estate attorney about your specific situation.
FAQs
What happens if the appraisal comes in below the contract price?
The lender will only lend against the appraised value, so the difference has to come from somewhere. What options exist is determined by the appraisal contingency in the contract, negotiated weeks earlier. A standard contingency generally lets the buyer withdraw and recover their deposit. Where the buyer waived it or agreed to gap coverage, they may be obligated to proceed and bring additional cash. A seller facing a gap should read the contract with their attorney before considering any strategy, because the available paths were set before the appraisal was ordered.
Can a seller challenge a low appraisal?
Not directly, and this is widely misunderstood. The appraisal belongs to the lender who ordered it, and a seller typically never receives a copy. The formal challenge — a Reconsideration of Value — is requested by the buyer through their lender. What the listing side can do is assemble supporting material for submission: comparable sales the appraiser may have missed, documentation of improvements, and corrections to factual errors like square footage or bedroom count. Requests succeed most often when they identify genuine errors or omitted comps, least often when they argue judgment.
What is appraisal gap coverage?
A clause committing the buyer to bring additional cash if the appraisal comes in below the contract price. It takes two common forms: full coverage, obligating the buyer to cover any shortfall, or capped coverage, committing them up to a stated ceiling with the contingency remaining available beyond it. It is negotiated at offer stage, not after a gap appears. For a seller comparing offers, it deserves weight alongside price — an offer slightly lower with gap coverage is frequently stronger than a higher one without it.
Why do appraisals come in low on Long Island?
Four common causes. The accepted offer exceeded what recent closed sales support, which happens routinely in competitive situations since appraisers look at sales rather than at demand. The property is hard to compare — unusual configurations, heavy renovation, or expansions that make once-similar homes different. Few comparable sales have closed recently in that price band. Or the assigned appraiser doesn't regularly cover the specific sub-market and misses adjustments a local appraiser would make. Cash buyers face no appraisal at all.
Should a seller just reduce the price to the appraised value?
Sometimes, and the comparison worth running is against what the alternative costs. Reducing keeps the deal on schedule and costs the difference. Letting it fail means the home returns to market with accumulated days on market, continued carrying costs, and a known appraisal problem — the next financed buyer will face substantially the same data. That last point matters most: a low appraisal is information about the comp set, and re-listing at the same price often produces the same result with more time lost.
By Eric Berman, REALTOR® | The Eric Berman Team at Compass
Eric Berman | Long Island & Queens Associate Broker | Compass
1468 Northern Blvd, Manhasset, NY 11030
(917) 225-8596 | eric@ericbermanre.com | theericbermanteam.com