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Fundamentals2 min read

What Is NOI? Net Operating Income Explained From First Principles

Net operating income is the engine of every income-property calculation. Learn what belongs in it, what must stay out, and how to compute it step by step.

ARAlex RiveraPublished September 1, 2026Fact-checked October 20, 2026

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This article is educational content, not financial, mortgage, legal or tax advice. Figures are illustrative examples; verify your own situation with a qualified professional.

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Estimates use your assumptions and documented formulas (v1.0.0). Verify decisions with licensed professionals.