Every fix and flip loan rests on a single number, and most investors get it wrong. The after repair value, or ARV, is what your property will be worth when the renovation is finished, and it is the figure a lender uses to decide how much they will lend you. Set it honestly and your deal funds the way you planned. Set it the way you wish it would be, and the appraisal disagrees, the loan gets capped, and you scramble for cash at closing. We broker fix and flip and bridge loans constantly, and the deals that fall apart almost always fall apart on the ARV. Here is exactly how lenders calculate it and how to estimate yours the same way they will.
The reason ARV matters so much is structural. A flip lender is not lending against what you are paying for the property today. They are lending against what it will be worth tomorrow, after the work, because that finished value is what protects them if you default and they have to sell. So they cap the total loan at a percentage of ARV, usually around 70 percent. If your ARV estimate is off by 20,000 dollars, your maximum loan moves by 14,000 dollars, and that swing comes straight out of your pocket.
What ARV actually means
ARV is the market value of your property in its finished, renovated condition, supported by comparable sales of similar properties that have already sold. It is not the listing price of homes currently for sale, which are asking prices and often optimistic. It is not what you hope to get. It is what comparable renovated homes in the same area have actually closed at recently. Appraisers and lenders care about closed sales because those are the only numbers that represent what a buyer was genuinely willing to pay.
The keyword is comparable. A good comp is a property similar to your finished product in size, bedroom and bathroom count, age, style, condition, and location, that sold recently, ideally within the last three to six months and within a half mile or so. The closer the match, the more reliable the ARV. When comps are weak, far away, or stale, the appraiser adjusts, and adjustments introduce uncertainty that almost always works against your number.
How lenders and appraisers calculate it
The method is the sales comparison approach, and it is the same one the appraiser the lender hires will use. You start by pulling three to five closed sales of renovated properties similar to what yours will be. You then adjust each comp up or down for differences from your property. If a comp has an extra bathroom your property will not have, you subtract value. If your finished property will have a finished basement the comp lacked, you add value. After adjusting each comp to match your subject property, you look at the adjusted values and settle on a figure they cluster around. That clustered number is your ARV.
Square footage and price per square foot are useful sanity checks, but they are blunt. A 1,400 square foot home that sold for 224,000 dollars works out to 160 dollars a foot, and if your finished property will be 1,450 square feet in the same area and condition, 160 dollars a foot suggests roughly 232,000 dollars. That is a reasonable starting point, but you still adjust for the specifics. Price per square foot gets you in the neighborhood. Adjusted comps get you the actual number.
A worked example
Say you are renovating a three-bedroom, two-bath single-family that will finish at 1,500 square feet. You pull four closed comps from the surrounding blocks, all renovated in the last four months.
Comp one sold at 240,000 dollars but has an extra half bath and a two-car garage your property lacks, so you adjust down 12,000 dollars to 228,000 dollars. Comp two sold at 225,000 dollars and is nearly identical, no adjustment, 225,000 dollars. Comp three sold at 218,000 dollars but is 100 square feet smaller, so you adjust up 8,000 dollars to 226,000 dollars. Comp four sold at 235,000 dollars but sits on a busier street, so you adjust down 7,000 dollars to 228,000 dollars. Your four adjusted comps land at 228,000, 225,000, 226,000, and 228,000 dollars. They cluster tightly around 227,000 dollars, so that is a defensible ARV.
Now run the loan math. At a 70 percent of ARV ceiling, 70 percent of 227,000 dollars is 158,900 dollars, which is the absolute maximum the lender will lend regardless of your purchase price and rehab budget. If your purchase is 120,000 dollars and your rehab is 50,000 dollars, your total project cost is 170,000 dollars, and a 90 percent purchase plus 100 percent rehab structure would be 158,000 dollars. That sits just under the 158,900 dollar ceiling, so the deal funds. Notice how tight that is. If your ARV had been 215,000 dollars instead of 227,000, the ceiling drops to 150,500 dollars and you would owe an extra 7,500 dollars in cash. That is the entire reason ARV discipline matters.
As-is value versus ARV: why lenders look at both
One distinction trips up new investors constantly. The ARV is the finished value, but the lender also cares about the as-is value, which is what the property is worth today in its current distressed condition. These are two different numbers and they do two different jobs. The as-is value confirms you are not overpaying for the property as it stands, and it sets a floor under the lender if the project never gets finished. The ARV sets the ceiling on the total loan through the loan to ARV cap. A healthy deal has a meaningful gap between the two, because that gap is the value your renovation creates, and it is where your profit comes from.
When the as-is value and the ARV are too close together, the lender sees a thin deal, because there is little room for the renovation to add value, and a small miss on either the rehab budget or the finished value wipes out the margin. When the gap is wide and well-supported, the lender sees a strong deal and is comfortable extending higher leverage. So when you estimate ARV, also be honest about the as-is value. Buying a property at a price near its as-is value, then creating a finished value well above it, is the entire mechanics of a profitable flip.
The mistakes that inflate ARV
The most common error is using active listings instead of closed sales. Anyone can list a home for 260,000 dollars. That tells you nothing about whether it will sell for that. Only closed sales count.
The second error is reaching too far for comps, either in distance or in time. A comp from a nicer neighborhood a mile away, or a sale from a year ago in a different market, is not a comp. It is a justification. Appraisers throw those out, and so should you.
The third error is assuming your finishes will command a premium the market does not pay. You may love the high-end kitchen you are planning, but if comparable sales in the area top out at a certain level regardless of finish, the market has told you its ceiling. Over-improving a property for its neighborhood is a real way to lose money, because you spend rehab dollars that do not come back in the ARV.
How ARV connects to your whole deal
ARV is the hinge that everything turns on. It sets your maximum loan through the loan to ARV ceiling. It determines your profit on a sale, because your sale price is the ARV minus selling costs. And if you plan to keep the property as a rental, the ARV becomes the value your refinance is based on, which determines how much of your cash you can pull back out. We walk through that refinance handoff in our guide to refinancing a fix and flip into a DSCR loan, and the leverage structure ARV feeds into is covered in how 100 percent fix and flip financing works.
Because ARV drives the leverage a lender will extend, it also interacts with the rest of your qualification. A strong, well-supported ARV gives the lender confidence and can unlock better leverage tiers, while a thin or aggressive one invites a cautious offer. We cover the full picture of what lenders look at in our guide to fix and flip loan requirements.
The bottom line on ARV
After repair value is the single most important number in a flip, and the lender will calculate it whether you do or not. Pull three to five closed, recent, nearby comps. Adjust each one for real differences from your finished property. Settle on the figure they cluster around, not the highest one. Then build your loan math from that number, not from the value you wish the property had. Investors who underwrite the ARV the way an appraiser will almost never get surprised at closing. The ones who lead with optimism get capped, and the cap always costs cash.
Want a second set of eyes on the ARV for a specific deal before you write the offer? Send the address and your comps through our contact page or call 412-990-2941. You can see our short term loan options on the fix and flip and bridge loan page, and if you plan to keep the property, model the rental side on our DSCR deal calculator.
FMC Capital is a licensed mortgage brokerage, NMLS #1840537. This article is for educational purposes only and is not a commitment to lend, an offer of credit, or financial advice. Fix and flip and bridge loan terms, leverage, rates, appraisal practices, and qualification standards vary by lender, project, borrower experience, and market at the time of application.