How to Calculate ARV (After Repair Value): The Complete Guide
ARV is the single most important number in real estate investing. Master the exact process investors use to calculate after-repair value, pull accurate comps, and apply the 70% rule to maximize profits.
How to Calculate ARV (After Repair Value): The Complete Guide
Every profitable real estate deal starts with one number: ARV.
Get it right, and you make money. Get it wrong, and you lose thousands.
Here's exactly how to calculate ARV like a pro.
What Is ARV?
ARV (After Repair Value) is the estimated market value of a property after all planned repairs, renovations, and improvements are completed.
It's not:
- Current value (as-is condition)
- Purchase price + renovation costs
- What you hope it's worth
It IS:
- What similar fully renovated homes recently sold for
- Based on actual comparable sales, not guesses
- The foundation for determining your maximum offer price
Why ARV Matters
ARV determines:
✅ How much to offer (using the 70% rule) ✅ How much profit you'll make (ARV minus all costs) ✅ How much you can borrow (lenders use ARV for loan-to-value) ✅ Whether the deal makes sense (before you waste time)
Without accurate ARV, you're guessing—and guessing costs money.
The ARV Formula
Method 1: Comparable Sales Average (Most Accurate)
ARV = Average sale price of comparable renovated properties
This is the gold standard. Find 3-6 similar renovated homes that recently sold, average their prices.
Method 2: Price Per Square Foot
ARV = Comparable $/sq ft × Subject property square footage
Useful when comps vary in size.
Method 3: Simple Addition (LEAST Accurate)
ARV = Current value + Value of renovations
Only use this as a rough starting point. Real ARV comes from comps.
Step-by-Step: How to Calculate ARV
Step 1: Define Your Finished Product
Before pulling comps, know exactly what your property will look like after renovations:
- Number of bedrooms/bathrooms
- Square footage
- Finishes (granite counters, hardwood floors, etc.)
- Condition (move-in ready, fully updated)
- Features (garage, pool, etc.)
Why this matters: You're comparing your property to homes in similar post-renovation condition, not current condition.
Step 2: Find Comparable Properties (Comps)
What makes a good comp:
✅ Sold within last 3-6 months (recent data) ✅ Within 0.5-1 mile (same neighborhood) ✅ Similar size (±15-20% square footage) ✅ Same bed/bath count (or ±1) ✅ Similar condition (updated, not fixer-uppers) ✅ Same property type (SFR to SFR, not SFR to condo)
Where to find comps:
- MLS (if you have agent access)
- Zillow, Redfin (sold listings, not active)
- PropStream, BatchLeads (paid tools)
- County records (public data)
- Local real estate agents
Pro tip: Need at least 3 comps, ideally 5-6 for accuracy.
Step 3: Adjust for Differences
No two properties are identical. Adjust comp prices based on differences:
Add value if YOUR property has:
- Extra bedroom/bathroom
- Larger square footage
- Better location
- Pool, garage, etc.
Subtract value if comps have:
- Features your property lacks
- Larger size
- Better condition
General adjustment values:
- Bedroom: +/- $10K-$20K
- Bathroom: +/- $8K-$15K
- Garage: +/- $15K-$25K
- 100 sq ft: +/- $10K-$15K
Example:
Your property: 3 bed, 2 bath, 1,500 sq ft
Comp #1: 3 bed, 2 bath, 1,600 sq ft, sold for $250K
Adjustment: -$10K for extra 100 sq ft
Adjusted value: $240K
Step 4: Calculate Average ARV
Example calculation:
Comp #1: $245,000 (adjusted)
Comp #2: $252,000 (adjusted)
Comp #3: $238,000 (adjusted)
Comp #4: $250,000 (adjusted)
Comp #5: $248,000 (adjusted)
Average: ($245K + $252K + $238K + $250K + $248K) ÷ 5 = $246,600
Your ARV: $246,600 (round to $245K-$250K for safety)
Using Price Per Square Foot
If comps vary in size, calculate ARV using $/sq ft:
Step 1: Calculate $/sq ft for each comp
Comp #1: $250,000 ÷ 1,600 sq ft = $156/sq ft
Comp #2: $240,000 ÷ 1,550 sq ft = $155/sq ft
Comp #3: $255,000 ÷ 1,650 sq ft = $155/sq ft
Average: $155/sq ft
Step 2: Apply to your property
Your property: 1,500 sq ft × $155/sq ft = $232,500 ARV
The 70% Rule: Using ARV to Determine Maximum Offer
Once you have ARV, use the 70% Rule to calculate your maximum offer:
Maximum Allowable Offer (MAO) = (ARV × 70%) - Repair Costs
Example:
- ARV: $250,000
- Estimated repairs: $40,000
MAO = ($250,000 × 0.70) - $40,000 = $135,000
Don't pay more than $135,000 for this property.
Why 70%?
The 30% covers:
- Your profit (10-15%)
- Holding costs (2-4%)
- Closing costs buy + sell (4-6%)
- Selling costs/realtor fees (6%)
- Contingency buffer (3-5%)
Adjust based on your market:
- Hot markets: 75-80%
- Risky markets: 65%
- Competitive markets: 72-75%
Common ARV Mistakes (And How to Avoid Them)
Mistake #1: Using Active Listings Instead of Sold Comps
Wrong: Zillow shows houses listed at $275K
Right: Use houses that sold at $250K
Fix: Filter for "Sold" not "For Sale"
Mistake #2: Using Old Comps
Wrong: Using sales from 12 months ago
Right: Use sales from last 3-6 months
Fix: Markets change. Recent data only.
Mistake #3: Comparing to Fixer-Uppers
Wrong: Using distressed property sales as comps
Right: Compare to fully renovated homes
Fix: Make sure comps are updated, not as-is condition
Mistake #4: Ignoring Location Differences
Wrong: Using comps from 2 miles away in different neighborhood
Right: Stay within 0.5-1 mile radius
Fix: Neighborhood matters. Stay hyperlocal.
Mistake #5: Overestimating Your Finishes
Wrong: Assuming your granite counters = luxury finishes
Right: Match your planned finishes to comp finishes
Fix: Be honest about finish quality
When to Get Professional Help
Hire an Appraiser When:
- You're new to investing (learning curve)
- Property is unique (no good comps)
- Lender requires it (refinance, hard money)
- Deal is large ($500K+)
Cost: $300-$600
Work with a Real Estate Agent When:
- You don't have MLS access
- You want Comparative Market Analysis (CMA)
- Agent knows the neighborhood well
Cost: Free (if you buy through them)
Texas-Specific ARV Considerations
DFW Market
- Suburban vs urban ARV varies 30-40%
- New construction comps inflate ARV
- Foundation issues lower ARV $10K-$30K
Houston Market
- Flood zone status impacts ARV
- Energy corridor vs suburbs = different comps
- Use 6-month comps (market volatility)
Austin Market
- Tech boom inflates ARVs quickly
- Use 3-month comps maximum
- Downtown vs suburbs = massive differences
San Antonio Market
- Military bases create stable ARVs
- Lower price points = tighter margins
- Medical district vs other areas
ARV Checklist
☐ Define post-renovation specs
☐ Find 3-6 comparable properties
☐ Confirm comps sold in last 3-6 months
☐ Verify comps within 0.5-1 mile
☐ Check bed/bath/sq ft match
☐ Adjust for differences
☐ Calculate average sale price
☐ Calculate $/sq ft (if needed)
☐ Determine final ARV
☐ Apply 70% rule for maximum offer
☐ Factor in repair costs
☐ Calculate potential profit
Real-World ARV Example
Property: 3/2 house, 1,400 sq ft, needs full cosmetic rehab
Step 1: Find comps
- Comp #1: 3/2, 1,450 sq ft, sold $242K
- Comp #2: 3/2, 1,380 sq ft, sold $235K
- Comp #3: 4/2, 1,500 sq ft, sold $255K
- Comp #4: 3/2, 1,420 sq ft, sold $248K
Step 2: Adjust
- Comp #3: -$15K (extra bedroom) = $240K adjusted
Step 3: Average ($242K + $235K + $240K + $248K) ÷ 4 = $241,250
ARV: $240,000 (conservative)
Step 4: Calculate MAO Repair estimate: $35,000
MAO = ($240,000 × 0.70) - $35,000 = $133,000
Decision: Don't pay more than $133K
The Bottom Line
ARV isn't a guess—it's a calculation.
Use recent comps, adjust for differences, be conservative.
Accurate ARV = profitable deals.
PropPipeline shows estimated ARV on every listing, so you can analyze deals faster and make confident offers.
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