What OER is considered good?

35–45% for residential rentals. Below 35% may indicate deferred maintenance. Above 50% suggests management inefficiency or high-cost structure.

What expenses are excluded from OER?

Debt service (mortgage payments) and capital expenditures are typically excluded. OER covers operating costs like taxes, insurance, management, maintenance, and utilities.

Renegotiate insurance, contest property taxes, improve lease terms to pass utilities to tenants, improve maintenance scheduling to reduce emergency repairs.

Operating Expense Ratio (OER) Calculator

Calculate OER as Operating Expenses / Gross Operating Income. Benchmark property management efficiency. Industry norms: 35–45% for residential, 30–40% for commercial NNN.

Principal ($)

Annual Rate (%)

Years

Compounding / Year

$ Finance Disclaimer: These calculators are for educational and illustrative purposes only. Results do not constitute financial advice. Consult a licensed financial advisor before making investment or borrowing decisions.

How to Use

Enter the values for the scenario you are assessing. Calculate OER as Operating Expenses / Gross Operating Income. Benchmark property management efficiency. Industry norms: 35–45% for residential, 30–40% for commercial NNN. Use the oer calculator result to inform your calculation.

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Frequently Asked Questions

What OER is considered good?

What expenses are excluded from OER?

How to improve OER?