Operating Expense Ratio
Operating expenses as a percentage of effective gross income.
Example Result
Sample DataBased on a sample $385,000 property with $2,850/month rent, 20% down, 7% interest rate.
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40-Year Projection Chart
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What This Means
A sample property priced at $385,000 with $2,850/month rent has a operating expense ratio of 36.70% at Purchase (Month 0). OER benchmarks your property's operational efficiency against similar properties. Single-family rentals typically run 35-45%, while multifamily runs 40-55%. If your OER is significantly higher than market norms, you may have expense management issues.
Where This Value Comes From
Operating Expense Ratio is not entered directly — it is calculated from Effective Gross Income and Total Operating Expenses. See the formula breakdown above and the detailed inputs below.
Inputs That Determine Operating Expense Ratio
Platform Distribution
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Unlock Rental Property CalculatorWhy It Matters
OER benchmarks your property's operational efficiency against similar properties. Single-family rentals typically run 35-45%, while multifamily runs 40-55%. If your OER is significantly higher than market norms, you may have expense management issues.
Detailed Explanation
The Operating Expense Ratio (OER) measures how much of your income goes to operating the property. A 40% OER means 40 cents of every dollar of income goes to expenses, leaving 60 cents as NOI.
Example
Based on a sample $385,000 property with $2,850/month rent, 20% down, 7% interest rate.
Related Calculations
Other Expense 1
UUser-defined additional monthly expense for miscellaneous costs not covered by standard expense cate
Other Expense 2
USecond user-defined additional monthly expense for miscellaneous costs not covered by standard expen
Total Operating Expenses
USum of all property operating costs (taxes, insurance, management, maintenance, CapEx, HOA, utilitie
Total Expenses
UAll annual costs including operating expenses and debt service.
Per Unit Operating Cost
2Annual operating expenses divided by number of units.
Operating Cost Per Square Foot
2Annual operating expenses divided by total square footage.
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