How to Calculate ARV (After-Repair Value) for Real Estate Investments

What Is ARV?

After-Repair Value (ARV) is the estimated market value of a property after all planned renovations and repairs are completed. It is the cornerstone of every fix-and-flip analysis and a critical input for wholesalers setting assignment prices.

Unlike the current "as-is" value, ARV projects what the property will be worth once it's in move-in-ready or fully renovated condition. Getting this number wrong can mean the difference between a profitable deal and a costly mistake.

Why ARV Matters for Investors

ARV drives nearly every decision in a fix-and-flip or wholesale deal:

• Maximum Allowable Offer (MAO): Most investors use the 70% rule — MAO = ARV × 0.70 − Repair Costs — to determine the most they should pay for a property.
• Renovation budgets: Knowing the ARV helps you decide which upgrades add value and which are over-improving for the neighborhood.
• Lender financing: Hard money lenders often base loan amounts on a percentage of ARV rather than purchase price.
• Exit strategy: ARV determines your listing price and expected profit margin.

Step-by-Step ARV Calculation

There is no single "ARV formula" — it's a process of analyzing comparable sales and making informed adjustments. Here's the workflow:

1. Define the subject property's "after" condition. List the renovations you plan to complete — updated kitchen, new flooring, bathroom remodel, etc.
2. Pull comparable sales. Find 3–6 recently sold properties that are similar in size, location, age, and condition to what your property will look like after renovations.
3. Filter and rank comps. Prioritize sales within 0.5 miles and 6 months. Match bed/bath count, square footage (within 20%), and property type.
4. Adjust for differences. Add or subtract value for differences in square footage, lot size, garage, pool, finishes, and location.
5. Calculate the weighted average. Give more weight to the most similar comps. This is your ARV estimate.

Finding the Right Comparable Sales

The quality of your ARV depends entirely on the quality of your comps. Here are the criteria that matter most:

• Proximity: Within 0.5 miles in suburban areas, 0.25 miles in dense urban markets.
• Recency: Sold within the last 3–6 months. In fast-moving markets, prioritize the most recent sales.
• Similarity: Match property type, bedroom/bathroom count, and square footage as closely as possible.
• Condition: Select comps that sold in a similar condition to your property's planned after state — fully renovated, not distressed.

For a deeper dive, see our guide on how to run real estate comps.

Making Adjustments to Comps

No two properties are identical. Adjustments account for the differences between your subject property (after repairs) and each comparable sale.

Common adjustment categories include:

• Square footage: Typically $50–$150 per square foot difference, depending on market.
• Bedroom/bathroom count: An extra bedroom may add $5,000–$15,000 in value.
• Garage: A 2-car garage vs. no garage can swing $10,000–$25,000.
• Lot size: Meaningful in suburban markets; less so in urban infill.
• Condition and finishes: The hardest to quantify — compare finish levels carefully.

Avoid the common mistake of over-adjusting. If you need more than 20–25% in total adjustments, the comp probably isn't a good match. Learn more about common comping mistakes.

Common ARV Mistakes

• Using asking prices instead of sold prices. Only closed sales reflect actual market value.
• Cherry-picking the highest comp. Use a range and weight the most similar sales — not the outlier.
• Ignoring market trends. If prices are declining, recent comps are more relevant than older, higher-priced sales.
• Comparing distressed to renovated. Your comps should match the after condition, not the as-is condition.
• Skipping adjustments. Raw price-per-square-foot averages without adjustments lead to inaccurate ARVs.

Frequently Asked Questions