Hometowns Realty — Free Investor Tool

ARV + MAO Calculator

Estimate After Repair Value from comparable sales, then calculate your Maximum Allowable Offer using two investor-tested methods — with a live deal verdict.

Comps-based ARV
70% Rule + Cost Method
Live Deal Verdict
Shareable Summary
Negative = conservative. Optional.
# Sold Price ($) Sq Ft
C1
C2
C3
Typical: 5–15% cushion on repairs.
Include agent commissions.
Change to 65–75% per your market.
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Deal Verdict
Enter your data and calculate
Results will appear here once you run the calculator.
ARV (Avg Comp Price)
Primary ARV estimate from sold comps with optional adjustment.
ARV ($/Sq Ft Check)
Cross-check: avg comp $/sqft × subject sqft.
MAO (70% Rule)
(ARV × %) − Total Repairs
MAO (Cost-Based)
ARV − Repairs − Holding − Closing − Profit
Total Repairs
Base budget + contingency.
Avg Comp $/Sq Ft
Adjusted avg price per sq ft from entered comps.
ARV Method Consistency
Enter comps with sq ft data to compare both ARV methods.
Cost-Based Deal Breakdown
ARV (primary)
− Total Repairs
− Holding Costs
− Closing Costs
− Profit Target
= MAO (Cost-Based)
Run the calculator to generate a deal summary you can copy and share.