What Is ARV in Real Estate? (And How to Calculate It in South Florida)

ARV stands for after-repair value. It is the estimated market value of a property once it has been fully renovated. What is arv, exactly? It is the foundational number in every fix-and-flip deal, every BRRRR calculation, and every hard money lending decision. In South Florida's market, knowing how to calculate ARV accurately is what separates a profitable flip from a costly mistake.

Why ARV matters so much

ARV drives every other number in a flip deal. The 70% rule (the primary formula for determining maximum purchase price) is built directly on ARV:

Maximum Purchase Price = (ARV x 0.70) - Estimated Repair Costs

If your ARV is off by 10%, your maximum purchase price shifts by 7%, and your entire profit margin can evaporate. A flip that looks like a $40,000 profit at one ARV might look like a $10,000 loss at a more accurate one. Experienced investors spend more time on ARV analysis than on any other part of deal evaluation for exactly that reason.

How to calculate ARV in South Florida

ARV is determined by analyzing comparable sales (comps): recently sold properties in the same neighborhood that resemble what your subject property will look like after renovation. Here is how to do it correctly:

1. Define your search area tightly. In South Florida's patchwork of neighborhoods, the right comps are often within 0.25 to 0.5 miles of the subject property. A comp two miles away in a different neighborhood is usually meaningless.
2. Match the condition. You are estimating value after renovation, so your comps should be fully updated, move-in-ready properties. Distressed comps have no place in an ARV calculation for a renovated home.
3. Match the key features. Bed count, bath count, square footage (plus or minus 15%), garage or no garage, pool or no pool, lot size. Each difference requires an adjustment.
4. Use recent sales. In South Florida's market, pull sales from the last 3 to 4 months. Older comps in an appreciating market understate ARV; in a softening market, they overstate it.
5. Pull multiple comps. One comp is not enough. Find at least 3 to 5 comparable sales and bracket your estimate with a low, mid, and high scenario.

Common ARV mistakes South Florida investors make

• Using Zillow's Zestimate as ARV. Zestimate is an algorithm-generated estimate, not a professional valuation. It routinely misses by 5 to 15% in South Florida's heterogeneous neighborhoods. Never use it as your ARV.
• Using active listings instead of sold comps. List prices are asking prices. Sold prices are what the market actually paid. ARV must be grounded in what properties closed for.
• Ignoring condition adjustments. A fully renovated comp in the same neighborhood may have granite countertops, new flooring, and updated bathrooms. If your planned renovation is more modest, your ARV should be adjusted downward accordingly.
• Expecting renovations to add more value than they cost. In South Florida, some renovations add close to dollar-for-dollar value (kitchen, baths, curb appeal). Others return less than their cost (pools, additions in certain price ranges). Know what the local market rewards before you budget.

Getting ARV right in South Florida's market

South Florida's neighborhoods are highly localized. Values can change street by street in some markets. A property two blocks off a major road may command $30,000 more than an identical property on it. Gated vs. non-gated matters in certain price ranges. School district boundaries matter in family-oriented markets. These nuances require local expertise to navigate correctly.

Our team pulls comp analyses for investor clients as part of deal evaluation support. Use our Fix & Flip Calculator with your ARV and repair estimates to see the full profit projection on any deal. If you want help pulling comps on a South Florida property you are considering, reach out here. Also see our complete flip guide for beginners.