How to Calculate ARV — The Dunn Report
Purchase price $180K + rehab $45K After-repair value $325K PROFIT POTENTIAL $100K ARV − (purchase + rehab) FIX & FLIP How to calculate ARV — and why it drives your loan 6 min read June 2026

How to calculate ARV and why it determines your fix & flip loan amount

After-repair value is the single most important number in any fix & flip deal. Lenders use it to determine how much they will lend you. Investors use it to determine whether a deal is worth doing. Get it wrong in either direction and you either miss a great opportunity or walk into a money-losing project. Here is how to calculate it correctly.

What is ARV?

ARV stands for After-Repair Value — the estimated market value of a property after all planned renovations are complete. It represents what the property would sell for on the open market in its fully improved condition.

ARV is not the purchase price. It is not the current value of the distressed property. It is a forward-looking estimate based on comparable sales of similar renovated properties in the same area.

Why ARV matters to lenders

Fix & flip lenders typically lend up to 70–75% of ARV. This means a higher ARV directly translates to a larger loan — which means more of your deal gets financed and less cash comes out of your pocket.

How to calculate ARV — step by step

ARV is calculated using the sales comparison approach — the same methodology appraisers use. Here is how it works:

Step 1: Define your subject property

Document the property's current condition, square footage, bedroom and bathroom count, lot size, age, and location. This is your baseline for finding comparables.

Step 2: Find comparable sales (comps)

Search for recently sold properties that are similar to your subject property in its renovated condition. The best comps are:

  • Sold within the last 90 days (180 days maximum in slow markets)
  • Within 0.5 miles in urban areas, 1–2 miles in suburban or rural areas
  • Similar square footage (within 15–20%)
  • Same number of bedrooms and bathrooms
  • Similar renovation quality and finish level

Step 3: Adjust for differences

No two properties are identical. If a comp has a garage and your property does not, you need to adjust the comp's sale price downward. Common adjustment factors include square footage, bedrooms, bathrooms, garage, pool, lot size, and condition.

Step 4: Calculate your ARV

Once you have three to five adjusted comps, take the average or weighted average of the adjusted sale prices. That is your estimated ARV.

Example ARV calculation
$180K Purchase price
$45K Rehab budget
$325K Estimated ARV

How lenders use ARV to determine your loan amount

Fix & flip lenders typically set loan limits based on a percentage of ARV rather than purchase price. This is called the loan-to-ARV ratio or simply the ARV limit.

Metric Example figures
Estimated ARV $325,000
Lender max LTV of ARV (70%) $227,500 max loan
Purchase price $180,000
Rehab budget $45,000
Total project cost $225,000
Amount lender covers $225,000 (100% LTC)
Profit potential (ARV − total cost) $100,000

Common ARV mistakes that kill deals

  • Using pending sales or listings as comps — only use closed sales. Pending and listed properties have not yet proven their market value.
  • Comping against properties in better condition — if your renovation will be mid-grade, comp against mid-grade renovations, not luxury rehabs.
  • Ignoring negative adjustments — if your property is on a busy road and your comps are on quiet streets, that difference will affect value.
  • Using stale data — market conditions change. Comps older than 90 days may not reflect current values in a moving market.
  • Overestimating renovation quality — your projected finish level has to match the comps you are using to justify your ARV.
Pro tip

Before submitting your deal, pull your own comps and calculate ARV independently. When lenders order their appraisal, they should arrive at a similar figure. A significant discrepancy between your ARV and the appraised value is a red flag that something is off with either your comps or your renovation projections.

Where to find comps

The best sources for comparable sales data are:

  • MLS access — through a licensed real estate agent or your own license
  • Zillow and Redfin — free but less detailed than MLS; useful for quick estimates
  • PropStream or BatchLeads — investor-grade data tools with comp pulling capabilities
  • County public records — free but time-consuming; useful for verification
MD
Mitchell Dunn Founder & Loan Officer, Oak & Iron Lending

Mitchell has 8+ years in the mortgage industry, including credit analysis experience at JP Morgan and mortgage brokerage work in Atlanta. He founded Oak & Iron Lending to serve real estate investors with the speed and flexibility that institutional lenders can't match.

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