How to Estimate ARV (After Repair Value)

Get the after-repair value wrong and nothing else you do on a flip can save the deal. Overestimate it and you overpay, over-renovate, and list at a price the neighborhood won't support. It's the number the entire offer hangs on, and it's the one beginners are worst at.

ARV is what the house will sell for once it's fully renovated — not today, not your best-case dream, but the realistic market price in fixed-up condition. Everything downstream, including how much you can safely pay, is calculated from it.

Comps are the whole game

You estimate ARV the same way an appraiser values any house: by finding comparable sales — "comps" — and reasoning from what real buyers recently paid for similar, already-renovated homes nearby.

The word doing the heavy lifting is comparable. A good comp is close on the dimensions that move price:

• Recently sold — within the last 3 to 6 months. Older sales drift out of date, especially when the market's moving.
• Actually sold, not listed. Listing prices are asking prices — wishful, negotiable, and often wrong. Only closed sales tell you what buyers truly paid. This trips up more beginners than anything else.
• Close by — same neighborhood, ideally within half a mile, and on the same side of any line (a school district, a busy road, a set of train tracks) that buyers care about.
• Similar in the ways that matter: square footage within about 20%, same bedroom and bath count, same property type and era, similar lot.
• In renovated condition, since you're estimating renovated value. A tired comp tells you what a fixer sells for, not your finished product.

Pull three to five that fit. One comp is an anecdote; five is a pattern you can trust.

Adjust for the differences

No two houses are identical, so you nudge each comp's price up or down to account for how it differs from your subject.

If a comp has an extra bedroom yours won't, subtract what that bedroom is worth in your market. If yours will have a finished basement the comp lacked, add for it. Same logic for a garage, an extra bathroom, a bigger lot, a better location on the street. You're mentally rebuilding each comp into your house and asking what it would have sold for in that form.

Keep the adjustments honest and modest. If you find yourself adding $80,000 of "improvements" to make a comp work, it isn't a comp — go find a better one.

Sanity-check with price per square foot

Once you've got an adjusted number, cross-check it. Take your renovated comps, divide each sale price by its square footage, and you'll get a tight band — say $210 to $230 a foot. Multiply that by your home's size for a second, independent estimate.

If your comp-based ARV and your price-per-foot ARV are in the same ballpark, you can trust the number. If they're far apart, something's off — usually a comp that doesn't actually belong, or a renovation scope that's pushing you above what the street will pay.

The mistakes that cost real money

• Using list prices instead of sold prices. The single most common error. Asking $400,000 and selling for $370,000 are very different facts.
• Reaching for comps that are too far away or too old because the nearby ones don't support the number you want. Wanting a higher ARV doesn't make it real.
• Over-improving past the neighborhood ceiling. Every street has a price buyers won't cross no matter how nice the finishes. Quartz and a wine fridge don't add value above that ceiling — they just spend your margin.
• Ignoring condition and layout. A renovated comp with a great open floor plan can command more than yours will with a chopped-up layout you're not changing. Adjust for it.

Why the number rules the deal

ARV isn't an academic exercise — it sets your maximum purchase price directly through the 70% rule: pay no more than 70% of ARV, minus your repair budget. On a $300,000 ARV with $40,000 of repairs, that's a $170,000 ceiling. Every $10,000 you overestimate the ARV talks you into paying $7,000 more for the house, on a margin that was never big to begin with.

So estimate it conservatively, verify it two ways, and let the comps — not your hopes for the finished product — set the number. Then run the full deal, including holding and selling costs, through the flip calculator before you make an offer.

Frequently asked questions

What does ARV mean in real estate?

ARV stands for after-repair value — what a property will be worth once it's fully renovated. Flippers and BRRRR investors use it to decide how much they can safely pay, since the maximum offer is calculated as a percentage of ARV minus repair costs.

How do you calculate ARV?

Find three to five recently sold, renovated homes that are similar to yours and nearby, adjust each sale price for differences (extra bedroom, bigger lot, garage), and average the adjusted figures. Cross-check the result against the price-per-square-foot of those same comps.

Should I use sold prices or listing prices for ARV?

Sold prices, always. A listing price is only what a seller hopes to get; it says nothing about what buyers actually paid. Using list prices is the most common reason a beginner's ARV comes in too high.

How accurate does my ARV need to be?

Accurate enough that your offer has a real margin of safety, because ARV feeds directly into your maximum purchase price. A conservative estimate that proves slightly low costs you a little upside; an optimistic one that proves high can wipe out your entire profit.