Rental Cash Flow Calculator

Build a realistic monthly operating picture instead of simply subtracting the mortgage from the rent.

Number of unitsunitsAverage monthly rent / unit$/unitOther monthly income$/propertyVacancy%Mortgage / debt service$/moProperty taxes$/yrInsurance$/yrMaintenance & repairs reserve% rentCapital expenditures reserve% rentProperty management% rentUtilities + other landlord expenses$/moHOA / recurring$/mo

ESTIMATED MONTHLY CASH FLOW—

GROSS RENT

EFFECTIVE INCOME

OPERATING EXPENSES

NOI

EXPENSE RATIO

DSCR

CASH FLOW / UNIT

BREAK-EVEN OCCUPANCY

NOI excludes financing. Cash flow subtracts debt service from NOI. Reserves are included here to produce a more conservative operating estimate.

What should a cash-flow estimate include?

Start with scheduled rent, adjust for vacancy and other income, then subtract realistic operating expenses. Taxes, insurance, management, repairs, capital reserves, utilities and recurring property expenses can materially change the result.

NOI is calculated before mortgage payments. Cash flow is calculated after debt service. Keeping those two concepts separate makes cap-rate and financing comparisons much more useful.

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