What is the difference between cash flow and taxable income on a rental?

Cash flow is the money left in your bank account after every real payment, including mortgage principal. Taxable income is what the IRS taxes, which subtracts depreciation (a paper expense that costs no cash) but does not let you subtract mortgage principal. Because of those two items, a rental can show a taxable loss while still putting cash in your pocket, or vice versa.

Is mortgage principal a tax-deductible rental expense?

No. The principal portion of a mortgage payment is not deductible because it is repaying a loan, not an operating cost — but it is still real cash leaving your account, so it reduces cash flow. The interest portion of the payment is deductible. This split is a major reason a rental's tax return and its bank balance rarely tell the same story.

How do I calculate net operating income (NOI)?

Net operating income is your total rental income minus operating expenses, before mortgage payments and before depreciation. So rent and other income, less costs like insurance, repairs, management, taxes, and utilities. NOI shows how the property itself performs independent of how you financed it, which is why lenders and buyers focus on it.

What is a good cash-on-cash return for a rental?

Cash-on-cash return is your annual pre-tax cash flow divided by the actual cash you invested (down payment plus closing and initial repairs). What counts as good depends on the market and your goals, but many small investors look for something in the high single digits or better. The number only means something once your income and expenses are tracked accurately.

How often should I update my rental P and L?

Enter income and expenses at least monthly so nothing is forgotten, then review the full-year profit and loss at tax time and once mid-year. Updating monthly keeps the numbers accurate and lets you spot a cost creeping up before it becomes a surprise. The free annual template in this guide is built to be filled in month by month.

Rental Property Profit and Loss: A Landlord's Guide

Quick answer: A rental property profit and loss statement adds up a year of income, subtracts a year of expenses, and shows what the property earned. The catch every landlord should understand: your taxable profit and your actual cash flow are two different numbers, because depreciation lowers your tax bill without costing cash and mortgage principal costs cash without being deductible.

If tracking rent answers "who paid?" and tracking expenses answers "what did I spend?", the rental property profit and loss statement answers the question that actually matters: did this property make money? It is the one-page yearly scorecard that turns a pile of transactions into a decision-making number — and, just as importantly, it reveals the gap between what you owe tax on and what you actually pocket. This guide shows how to total your income and expenses for the year, how to read the all-important difference between cash flow and taxable profit, which metrics are worth watching over time, and a free annual template that calculates the bottom lines for you.

Key Takeaways

A P and L is just annual income minus annual expenses — the property's yearly scorecard.
Taxable profit and cash flow are different numbers; knowing why is the whole point.
Depreciation lowers taxable income without costing cash; mortgage principal costs cash but isn't deductible.
Net operating income (NOI) measures the property before financing and depreciation.
Watch a few metrics year over year: NOI, cash flow, cash-on-cash return, and occupancy.
Update it monthly and the year-end statement — and a cleaner tax return — write themselves.

Try it: annual profit & loss

Enter your year's figures and watch NOI, taxable income, and cash flow update live — the three numbers most landlords confuse. Use Download my work (top right) to save your filled-in copy as an Excel file.

Want a blank copy with month-by-month income and expense tabs? Download the full Excel template.

What is a rental property profit and loss statement?

It is a one-page summary of everything a rental earned and spent over a period — typically a calendar year — with income at the top, expenses below, and the difference as the bottom line. You may also hear it called an income statement or a "P and L." Unlike a single month's snapshot, the annual version smooths out the lumpiness of real life: the vacant month, the one big repair, the insurance bill that hits once a year. That is why it is the right lens for judging the investment. Building it well depends entirely on the two habits in our companion guides — tracking rent payments for the income side and tracking expenses for the cost side. The P and L is simply where those two streams meet.

How do you calculate your rental's annual income?

Add up every dollar the property brought in over the year — not just base rent. Your gross rental income includes the rent you actually collected plus any other income the property generated:

Rent collected — the twelve months of payments from your rent ledger (use what was collected, not just what was billed).
Late fees — tracked separately during the year, folded into income here.
Other income — pet rent, a paid parking space, application fees, laundry, or any reimbursed utility.

A note on vacancy: you record the rent you actually received, so an empty month simply shows up as lower income — which is exactly the honesty you want in a yearly statement. If you have been tracking rent monthly, this step is just carrying the annual total across.

How do you total your annual expenses?

Sum every operating cost for the year, grouped by category, then add the two non-operating items that matter for the full picture: mortgage interest and depreciation. The operating side is the familiar list — insurance, repairs, cleaning and maintenance, management, supplies, property taxes, utilities, advertising, and professional fees. If you have kept an expense log organized by IRS Schedule E category, your category totals drop straight in. Two line items deserve special attention because they behave unusually, and they are the key to the next section:

Mortgage interest is deductible and is real cash out — it counts on both your tax return and your cash-flow math.
Depreciation is deductible but is not cash out — it is the IRS letting you recover the building's cost over 27.5 years, a "paper" expense that lowers taxable income while your bank balance never feels it.

What's the difference between cash flow and taxable profit?

Cash flow is what lands in your bank account; taxable profit is what the IRS taxes — and they differ because two items sit on only one side of the ledger. Depreciation reduces taxable profit but costs no cash. Mortgage principal costs cash but is not deductible. Get those two straight and the whole picture clicks into place:

How each item hits taxable profit vs. cash flow
Item	Reduces taxable profit?	Reduces cash flow?
Operating expenses (repairs, insurance, taxes, etc.)	Yes	Yes
Mortgage interest	Yes	Yes
Mortgage principal	No	Yes
Depreciation	Yes	No

This is why a rental can show a loss on paper — thanks to depreciation — while still depositing cash in your account every month, and occasionally the reverse. Neither number is "the truth"; they answer different questions. Cash flow tells you whether the property sustains itself month to month. Taxable profit tells you what you will be taxed on. A complete P and L shows both, and that is the gap most casual landlords never see. (How depreciation works is covered in the IRS materials on rental income, deductions, and recordkeeping.)

A quick example makes it concrete. Say a single-family rental collects $27,600 in rent for the year. Operating expenses — insurance, repairs, property taxes, management, and utilities — total $8,000. Mortgage interest is $9,000, the principal you paid down is $4,000, and depreciation on the building is $7,000. The two bottom lines come out like this:

Taxable income = $27,600 − $8,000 − $9,000 − $7,000 = $3,600 (depreciation counts; principal does not).
Cash flow = $27,600 − $8,000 − $9,000 − $4,000 = $6,600 (principal counts; depreciation does not).

Same property, same year — yet you are taxed on $3,600 while $6,600 actually reached your bank account. The $3,000 difference is exactly depreciation ($7,000 of paper expense) minus principal ($4,000 of non-deductible cash). Run that math once and the cash-versus-tax distinction stops being abstract; you can see precisely which lever moved which number.

How do you put it all together each year?

Lay it out in three blocks — income, expenses, and results — and let the results calculate from the first two. Total income at the top; operating expenses, mortgage interest, and depreciation in the middle; and at the bottom the three numbers worth knowing: net operating income, taxable income or loss, and estimated cash flow. You enter the months; the statement does the arithmetic and shows you both bottom lines side by side. Keeping the layout consistent from year to year matters more than making it elaborate — when this year's statement mirrors last year's, the comparison is instant and a problem stands out at a glance. If you own more than one property, keep a separate statement per property so a strong performer never quietly masks a weak one; you can always sum them for the portfolio view afterward. That is precisely what the interactive tool above does — enter your year's figures and read your NOI, taxable profit, and cash flow side by side.

What metrics should you track year over year?

A handful of numbers, watched over time, tell you far more than any single year in isolation. Once your P and L is accurate, these fall out of it almost for free:

Net operating income (NOI) — income minus operating expenses, before financing and depreciation. The cleanest measure of the property's own performance, and the one buyers and lenders care about.
Cash flow — what is actually left after every payment, principal included. The number that tells you if the property pays for itself.
Cash-on-cash return — annual pre-tax cash flow divided by the cash you put in. It lets you compare the rental against other places you could park money.
Occupancy / vacancy — the share of the year the unit was rented. Small dips here move every other number.

Track these for two or three years and trends appear that a single statement hides — rising maintenance on an aging roof, rents lagging the market, an insurance premium quietly climbing. For more free resources and common landlord questions, see our FAQ page.

A profit and loss statement is not an accounting chore so much as a yearly conversation with your investment. Build it from clean income and expense records, read both bottom lines instead of just one, and watch a few metrics over time. Do that and you will always know not just whether the property is making money, but in what sense — on paper, in your pocket, or both.