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What will it sell for, fixed up?
THE SHORT ANSWER
After-repair value (ARV) is what a property sells for once it's fully fixed up, and the fastest way to estimate it is sold-comp price per square foot times your property's square footage. Enter up to three recent solds below and this calculator gives you a low, middle, and high ARV instantly.
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How the price-per-square-foot method works
Every sold comp tells you what buyers paid per square foot for a finished house in that pocket. Divide each comp's sold price by its square footage, then multiply by YOUR property's square footage:
ARV = comp $/sqft × your sqft
With two or three comps you get a band instead of a single guess: the cheapest comp sets the low end, the average sets your working estimate, the strongest sets the ceiling. That band is what this calculator computes: the same $/sqft translation PropTitan runs when it comps an address for you.
Worked example
Your target property is 1,450 sqft. Three renovated solds nearby:
comp 1 $265,000 ÷ 1,400 sqft $189/sqft
comp 2 $248,000 ÷ 1,350 sqft $184/sqft
comp 3 $279,000 ÷ 1,500 sqft $186/sqft
average ≈$186/sqft
× your 1,450 sqft ≈$270,000
Average is about $186/sqft, so the working ARV is $186 × 1,450 ≈ $270,000, inside a band of roughly $267,000–$274,000. A band that tight means the comps agree, and you can quote that ARV to a buyer with a straight face.
Where $/sqft goes wrong
Price per square foot flattens everything into one number, so it misses lot size, garages, pools, one-story vs two-story, and street-by-street differences. It also skews when comp sizes differ a lot from the subject, since small houses carry higher $/sqft than big ones. Keep comps within about 20% of your property's size, in the same school zone or subdivision when you can, and sold within the last 6 months. For anything you're actually going to contract, follow up with a full comp review: photos and condition, not just math.
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PropTitan fills this exact worksheet from live data (comps, two independent valuation models, and a repair estimate) for any US address. The trial includes 15 free analyses.
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QUESTIONS
Calculator questions
What counts as a good comp for ARV?
A recently SOLD house (not an active listing) near the subject, similar in size, age, bed/bath count, and renovated to the condition your property will be in after the rehab. Closer, more recent, and more similar always beats more comps.
How many comps do I need?
Three solid solds beat ten loose ones. This calculator takes up to three; if the three of them land far apart, that spread is telling you the comps aren’t truly comparable. Tighten the criteria before trusting the number.
Why does the calculator show a range instead of one number?
Because ARV is an estimate, not a fact. The low end uses your cheapest comp’s price per square foot, the high end your strongest. Underwrite the deal on the low-to-middle band and let the high end be upside, not the plan.
Can I use Zillow’s Zestimate as the ARV?
Not on a distressed deal. Automated estimates price the house in its CURRENT condition and lag renovations. ARV is a post-rehab number. It has to come from renovated solds, which is exactly what the comp method gives you.
Do I need MLS access to find sold comps?
No. County records and the big listing portals show sold prices in most states, and PropTitan pulls sold comps for any address automatically, with side-by-side photos so you can judge condition, not just numbers.