CapEx vs OpEx in Real Estate: How to Tell Them Apart (With Property Examples)

A new valve on a water heater is a repair. A new water heater might not be. Where you code that invoice decides whether it hits NOI this year or gets spread over the next decade.

The short version: OpEx keeps the property running this year. CapEx improves it, restores it or makes it last for years.

Quick Answer In real estate, operating expenses (OpEx) are the recurring costs of running a property, such as payroll, repairs, utilities, insurance and property taxes. They're subtracted to calculate net operating income (NOI). Capital expenditures (CapEx) are larger investments that improve, restore or extend the life of the property, such as a new roof or HVAC replacement. CapEx sits below NOI and is depreciated over time. The test: does the spend maintain the property as it is, or make it better or longer-lasting?

What Is OpEx in Real Estate?

OpEx is what it costs to run the property day to day. It recurs, it's consumed within the year, and it's subtracted from income to get to NOI.

Typical multifamily operating expenses:

• Payroll and benefits for site staff
• Repairs and maintenance (R&M): fixing leaks, clearing drains, replacing a broken part
• Make-ready and turnover: cleaning, paint, minor repairs between residents
• Contract services: landscaping, pest control, trash removal
• Utilities paid by the property
• Marketing, administrative costs and the management fee
• Insurance and property taxes

If the work keeps the property in the condition it's already in, it's usually OpEx.

What Is CapEx in Real Estate?

CapEx is spending that improves the property, restores a major part of it, or adapts it to a new use. The benefit lasts well beyond the current year.

Typical multifamily capital expenditures:

• Roof replacements
• HVAC system or boiler replacements
• Parking lot resurfacing
• Building-wide window replacements
• Unit interior renovations (kitchens, baths, flooring)
• New amenities, such as a fitness center or dog park

For tax purposes, IRS Publication 527 states it plainly: "You must capitalize any expense you pay to improve your rental property." Capitalized costs are recovered through depreciation over time. Residential rental property is depreciated over 27.5 years under the IRS's general system.

CapEx vs OpEx: The Key Differences

How to Tell CapEx From OpEx: Four Questions

Most invoices are obvious. For the rest, work through these four questions in order.

1) Does It Maintain the Property or Make It Better?

Fixing what broke is maintenance. Making the property better than it was is an improvement. Replacing a cracked window pane is a repair. Upgrading every window in the building to a more efficient model is capital.

2) Is It a Part or the Whole System?

Replacing a component of a system is usually a repair. Replacing a major component or the whole system usually isn't. A new capacitor in a condensing unit is R&M. A new condensing unit is CapEx.

3) Will It Last Beyond This Year?

If the benefit runs out within the year, it's almost always OpEx. If you'll still be relying on it in five or ten years, it's a capital candidate.

4) What Does the Owner's Capitalization Policy Say?

A capitalization policy sets the owner's rules: usually a dollar threshold and a useful-life test. Below the threshold, it's expensed. Above it, it's capitalized. The policy is what settles gray areas like carpet and appliances, so ask for it in writing.

If you manage for several owners, you'll likely have several policies. That's one reason standardized inputs matter as portfolios grow, a theme we cover in the multifamily budgeting maturity model.

For taxes, the IRS asks a similar question in its own terms. Under the IRS tangible property regulations, an amount is generally an improvement if it results in a betterment, a restoration (such as replacing a major component or substantial structural part) or an adaptation to a new or different use.

CapEx vs OpEx Examples for Multifamily Properties

Here's how common multifamily work usually sorts out. Treat it as a starting point: your owner's capitalization policy and your accountant make the final call.

*Gray areas. Single-unit replacements of water heaters, carpet and appliances at turn are treated differently from owner to owner, often depending on the capitalization threshold. IRS Publication 527 lists water heaters and flooring as examples of improvements, but the tax rules also include safe harbors (covered below), and owner reporting can follow a different policy than the tax return.

Why the Line Matters: NOI, Value and the OpEx Ratio

OpEx reduces NOI. CapEx doesn't. And because NOI drives valuation and loan sizing, a coding decision on one invoice can move the property's value by far more than the invoice itself.

Here's an illustrative property:

Total Income:   $2,000,000
Operating expenses:      −$1,000,000
NOI:                      $1,000,000

Now a $40,000 parking lot resurfacing gets coded to R&M instead of the capital budget:

Operating expenses:      −$1,040,000
NOI:                        $960,000

At an illustrative 5% cap rate (value = NOI ÷ cap rate), that's the difference between a $20,000,000 property and a $19,200,000 one. One miscoded invoice, $800,000 of apparent value.

The OpEx ratio moves too, from 50% of EGI to 52%. That's the kind of shift an owner notices in a budget review and asks about. We cover why NOI drives valuation and loan sizing in more detail in a separate post.

The error runs both ways. Capitalizing routine repairs makes NOI look better than the property's real operating cost. Owners, lenders and auditors look for exactly that, and finding it once makes them question every other line. Clean expense coding and the OpEx ratio go together.

How CapEx and OpEx Show Up in the Budget

Most owners want two budgets:

• The operating budget covers income and operating expenses, ending at NOI.
• The capital budget lists planned projects below NOI.

Each capital project should be its own line with four things: the scope, the planned timing, the cost estimate and the funding source. Funding usually comes from property cash flow, replacement reserves, an owner contribution or loan proceeds.

Some loans require replacement reserves for capital work. Fannie Mae's Multifamily Guide, for example, defines a Replacement Reserve as a "Custodial Account the Borrower funds during the Mortgage Loan term for Replacements." Check your loan documents for what the reserve covers and how draws work.

Two habits keep the two budgets honest. Plan capital projects with the same care as the operating lines, not as an afterthought. And keep the R&M line realistic, because deferred repairs tend to come back later as bigger capital projects.

In Vizibly, capital projects are planned separately from operating lines and assumptions are standardized across the portfolio, so a resurfacing job can't quietly land in R&M at one property and in the capital plan at another.

How CapEx and OpEx Are Treated for Taxes

For tax purposes, operating expenses are generally deducted in the year they're paid or incurred. Capital improvements are capitalized and depreciated over the asset's recovery period.

The IRS rules include safe harbors that can let some smaller or recurring costs be deducted:

• De minimis safe harbor: per the IRS, up to $2,500 per invoice or item for taxpayers without an applicable financial statement, or $5,000 with one, subject to the rule's requirements.
• Routine maintenance safe harbor: covers recurring work to keep a building in its ordinarily efficient operating condition, if you reasonably expect to perform it more than once in the 10 years after the building system is placed in service.

Tax classification, accounting classification and the owner's reporting policy don't always match. This section explains the concepts. It's not tax advice, so take tax questions to the owner's CPA.

Common CapEx vs OpEx Mistakes

• Coding to whichever budget has room. If R&M is over budget, the capital plan becomes a convenient place to park invoices. Owners and auditors catch it.
• Splitting a project across invoices. Breaking a roof replacement into small invoices doesn't change what the work is.
• Working without a written capitalization policy. Without one, every property and every person codes gray areas differently.
• Deferring repairs until they become capital. Skipped maintenance doesn't disappear. It comes back as a bigger project.
• Leaving CapEx out of the cash plan. It's below NOI, but it's still cash. The owner pays for it either way.

FAQ

Is CapEx included in NOI?

No. Capital expenditures sit below the NOI line, so they don't reduce NOI, though they still reduce the owner's cash flow.

Are repairs CapEx or OpEx?

Routine repairs that keep the property in its existing condition are generally OpEx, while work that improves, restores or adapts the property is generally CapEx.

Is a new roof CapEx or OpEx?

A full roof replacement is generally CapEx, while patching a leak or replacing a few shingles is generally a repair.

Is replacing carpet or appliances CapEx or OpEx?

It depends on the owner's capitalization policy and the tax rules that apply, so check the policy and ask the owner's accountant before coding them.

What is a capitalization policy?

It's the owner's written rule, usually a dollar threshold plus a useful-life test, that decides which purchases are capitalized and which are expensed.

What is the de minimis safe harbor?

It's an IRS election that lets eligible taxpayers deduct qualifying purchases up to $2,500 per invoice or item, or $5,000 with an applicable financial statement, instead of capitalizing them.

The Punchline

OpEx keeps the property running. CapEx makes it better or makes it last. One sits above NOI and one sits below it, which is why the coding matters as much as the spending.

Fix what broke: operating. Replace the system: capital. Not sure: check the policy.

Want your team to read the whole P&L the way owners do? Financials 101 for Property Managers covers operating expenses, NOI and how both turn into property value.

Sources

• Internal Revenue Service, Publication 527, "Residential Rental Property" (2025). https://www.irs.gov/publications/p527
• Internal Revenue Service, "Tangible Property Final Regulations" (updated 2026). https://www.irs.gov/businesses/small-businesses-self-employed/tangible-property-final-regulations
• Fannie Mae, Multifamily Selling and Servicing Guide (glossary). https://mfguide.fanniemae.com/fnmf-pdf/download/5106