Free Calculator

NOI Calculator

Calculate your property's Net Operating Income with a detailed income and expense breakdown. NOI drives your DSCR, cap rate, and property valuation.

  • Income − ExpensesNOI Formula
  • 35–50%Typical Expense Ratio
  • Key MetricFor DSCR & Cap Rate

NOI Calculator

Example values are filled in — replace them with your own.

Annual Net Operating Income
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🟢 Income Breakdown

Gross Potential Rent
Other Income
Vacancy Loss
Effective Gross Income

🔴 Expense Breakdown

Property Taxes
Insurance
Management
Maintenance
Utilities
Reserves
Total Expenses
Expense Ratio
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of gross income
Cap Rate
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if value provided
DSCR
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if debt provided
Monthly NOI
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before debt service
Expense Distribution
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Need financing based on your NOI? Our advisors match your property's income profile with the right CRE lender.

Understanding Net Operating Income

NOI is the foundation metric that drives every other CRE calculation.

What NOI Includes

NOI = Effective Gross Income minus Operating Expenses. Income includes all rent and ancillary revenue, adjusted for vacancy. Expenses include property taxes, insurance, management, maintenance, utilities, and reserves. NOI does NOT include mortgage payments, depreciation, or income taxes.

Why NOI Matters for Loans

Lenders use NOI to calculate DSCR (NOI ÷ Debt Service) and property valuation (NOI ÷ Cap Rate). A higher NOI means better DSCR, higher property value, and access to more favorable loan programs. Even small NOI improvements can significantly impact your borrowing power.

Typical Expense Ratios

Multifamily: 35–50% expense ratio. Office: 40–55%. Retail (NNN): 5–15% (tenants pay most expenses). Industrial: 20–35%. If your expense ratio is significantly above these ranges, there may be opportunities to optimize operations and boost NOI.

How to Increase NOI

Revenue side: raise rents to market, add utility reimbursements, reduce vacancy with better marketing, add ancillary income (parking, storage, laundry). Expense side: negotiate property tax appeals, competitive-bid insurance, preventive maintenance programs, and energy efficiency upgrades.

Frequently Asked Questions

Common questions about NOI and CRE property analysis.

What is the difference between NOI and cash flow?

NOI measures a property's earning power before financing costs. Cash flow = NOI minus debt service (mortgage payments). Lenders use NOI because it evaluates the property independently of how it is financed. Cash flow tells you what you actually pocket each month.

Are mortgage payments included in NOI?

No. NOI specifically excludes mortgage payments (principal and interest), income taxes, depreciation, and capital expenditures. It only includes operating expenses: property taxes, insurance, management, maintenance, utilities, and reserves.

What is a good expense ratio for commercial property?

It varies by property type. Multifamily: 35–50%. Office: 40–55%. NNN Retail: 5–15%. Industrial: 20–35%. If your ratio is significantly higher than these benchmarks, there may be opportunities to cut costs and boost NOI.

Should I include capital reserves in NOI?

Lenders typically want to see reserves (replacement reserves or CapEx reserves) included as an expense. This accounts for future major repairs like roof replacement or HVAC systems. A common reserve amount is $250–$500 per unit per year for multifamily.

How does NOI affect my loan amount?

NOI directly determines your DSCR (NOI ÷ Debt Service). Most lenders require 1.25x DSCR. So if your NOI is $125K, your max annual debt service is $100K. This caps your loan amount based on rate and term. Higher NOI = larger possible loan.

Can BestLoanUSA help if my NOI is too low to qualify?

Yes. Our advisors help identify NOI improvement strategies before you apply — rent adjustments, expense optimization, vacancy reduction. We also match you with lenders who use more flexible NOI calculations or allow projected NOI for value-add deals.

Know Your NOI. Unlock Better Financing.

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