How to Evaluate a Multifamily Investment Before You Invest

A multifamily investment can look compelling on paper. The property may be in a strong market, the apartments may be attractive, the projected returns may look good, and the business plan may sound straightforward.

But a good investment decision requires looking beyond the headline numbers. Before investing in a multifamily property, you should understand how the deal actually works, what assumptions are driving the projected returns, where the risks are, how the property will be financed, and what has to go right for the investment to perform as expected.

You do not need to become a professional real estate underwriter to ask good questions. You do need to understand what you are investing in and why the operator believes the investment should work.

Here are the areas I believe passive investors should evaluate before committing capital to a multifamily investment.

1. Start With the Business Plan

Every multifamily investment should have a reason for existing beyond simply buying an apartment building. The business plan explains what ownership intends to do with the property and where the expected return is supposed to come from.

Some investments are primarily about improving operations. Others may involve renovating apartment interiors, increasing rents that are below market, improving occupancy, reducing unnecessary expenses, or upgrading common areas. A stabilized property may have a much simpler plan focused on consistent operations and long-term ownership.

The important thing is that you understand the strategy and whether it makes sense for this particular property.

Consider:

• What specifically does ownership plan to change?

• Why does the operator believe the opportunity exists?

• How much of the projected return depends on successfully executing that plan?

• Does the strategy seem realistic for the property and market?

A complicated business plan is not necessarily better than a simple one. What matters is whether the plan is reasonable and whether the operator has the ability to execute it.

2. Understand Where the Revenue Growth Comes From

Projected revenue growth can have an enormous impact on investment returns, so investors should understand exactly what is driving it.

If the investment assumes substantial rent increases, ask why those increases are reasonable. Are current rents meaningfully below comparable properties? Are renovations expected to justify higher rents? Is the local market strong enough to support the assumptions?

Rent growth is only one part of revenue. Occupancy, concessions, bad debt, utility reimbursements, fees, and other income can all affect property performance. A property can increase asking rents and still struggle financially if vacancy rises or collections deteriorate.

The goal is not to determine whether every revenue assumption will be exactly correct. No one can know that. The goal is to understand whether the assumptions are supported by something more substantial than optimism.

3. Look Closely at Operating Expenses

Investors naturally focus on rent growth because increasing revenue is easy to understand. Expenses deserve just as much attention.

Property taxes, insurance, payroll, utilities, repairs and maintenance, property management, turnover costs, snow removal, landscaping, and other operating expenses can materially affect the property's net operating income. Some expenses are relatively predictable, while others can move quickly.

Insurance is a good example. A property may experience a significant increase even though nothing about the physical property changed. Property taxes can also change following a sale, reassessment, or changes in local tax policy.

When reviewing a multifamily investment, consider:

• Are current expenses representative of what ownership expects after acquisition?

• Have taxes and insurance been realistically underwritten?

• Are there unusually low expenses that may not be sustainable?

• How much expense growth is assumed over the hold period?

A deal does not become conservative simply because the revenue assumptions are reasonable. The expense assumptions need to be reasonable too.

4. Understand the Net Operating Income

Net operating income, or NOI, is one of the most important numbers in multifamily investing. At a basic level, NOI is the property's operating revenue minus its operating expenses before debt service and certain other ownership-level costs.

NOI matters because it helps determine both the cash generated by the property and, in many cases, the value of the property itself. If revenue increases while expenses remain controlled, NOI can grow. If expenses rise faster than revenue, NOI can decline even when rents are increasing.

That is why investors should look beyond the projected future property value and understand what is expected to happen to NOI along the way. A large increase in future value usually needs to be supported by something, and often that something is higher NOI.

Understanding where that NOI growth is supposed to come from is critical.

5. Study the Debt

Debt can meaningfully improve returns when things go well. It can also increase risk when conditions change.

Before investing, understand how the property is financed. You should know whether the loan has a fixed or floating interest rate, how long the loan term is, when principal payments begin, when the debt matures, and whether the business plan depends on refinancing the property.

Consider:

• Is the interest rate fixed or variable?

• Does the property generate enough cash flow to comfortably service the debt?

• When does the loan mature?

• What happens if refinancing terms are less favorable than expected?

Debt is not merely another line in the underwriting model. It can shape the entire investment.

A property may perform reasonably well operationally and still face challenges if the financing structure becomes a problem.

6. Look at the Capital Budget

Apartment properties require ongoing capital investment. Roofs eventually need replacement, parking lots deteriorate, mechanical systems fail, apartment interiors wear out, and common areas need improvement.

Some investments also have a significant renovation plan immediately after acquisition. If the business plan calls for renovating apartments, investors should understand how much is budgeted per unit, how many renovations are expected, and what financial or operational benefit ownership expects from that spending.

It is equally important to understand whether the investment has adequate reserves for unexpected needs. A capital budget that assumes everything will go perfectly may create problems later.

Real estate has a habit of producing expenses that were not in the original spreadsheet. Good underwriting should acknowledge that reality.

7. Understand the Purchase Price

The quality of a property and the quality of an investment are not the same thing. A beautiful apartment property can still be a poor investment if the buyer pays too much for it.

Likewise, an older property with operational challenges may become an attractive investment at the right price.

That is why purchase price needs to be evaluated in context. Investors may look at price per apartment unit, current and projected NOI, capitalization rate, recent comparable sales, replacement cost, and the amount of capital required after acquisition.

None of these metrics should necessarily be viewed in isolation. The bigger question is whether the price paid leaves enough room for the investment to perform without relying on overly aggressive assumptions.

8. Pay Attention to the Exit Assumptions

One of the easiest ways to make projected returns look better is to assume the property will be worth substantially more in the future. Sometimes that future value is justified, but sometimes the underwriting simply assumes favorable conditions.

Multifamily properties are frequently valued using a capitalization rate, or cap rate. In simplified terms, the cap rate relates the property's NOI to its value. If the underwriting assumes the property will eventually sell at a lower cap rate than it was purchased at, that assumption can significantly increase the projected sale price.

Investors should understand what is being assumed.

Consider:

• What cap rate is being used at sale?

• Is it higher or lower than the acquisition cap rate?

• How much of the projected investor return comes from the assumed sale price?

• What happens if the property sells for less than projected?

No one knows exactly what the investment market will look like several years from now. That uncertainty should be respected in the underwriting.

9. Understand the Projected Returns, but Do Not Start There

Most investment offerings prominently display projected returns such as cash-on-cash return, internal rate of return, and equity multiple. Those numbers are useful, but they are still projections.

A projected return is the mathematical result of a series of assumptions about revenue, expenses, financing, capital improvements, property value, and timing. If those underlying assumptions change, the projected return changes with them.

That is why the return itself is not where I would begin my evaluation. I would begin with the assumptions underneath it.

If those assumptions are reasonable and the business plan makes sense, then the projected returns become more meaningful. If the assumptions are aggressive, a high projected return should not make you feel better about the investment.

It should make you ask more questions.

10. Understand How Cash Distributions Work

Projected investment returns and actual cash distributions are not necessarily the same thing.

A multifamily investment may generate cash flow from property operations, but the timing and amount of distributions will depend on the investment structure, property performance, financing, reserve requirements, and decisions made by ownership.

Investors should understand whether there is a preferred return, how profits are split between investors and the sponsor, and how frequently distributions are expected. They should also understand whether the investment strategy anticipates regular cash flow, more of the return occurring at refinance or sale, or some combination of the two.

Most importantly, a projected distribution is not a guaranteed payment. There may be periods when retaining cash at the property is more prudent than distributing it.

That does not necessarily mean something is wrong. It does mean investors should understand the structure before they invest.

11. Evaluate the Operator Alongside the Deal

A strong investment opportunity still requires someone to execute it. The operator will oversee the property, make capital decisions, manage the financing, work with the property management team, respond to unexpected problems, and determine how the investment plan evolves over time.

That is why evaluating the operator deserves its own due diligence. Look at their experience, operating capabilities, track record, communication, alignment, and approach to risk.

A spreadsheet can tell you what is supposed to happen. The operator determines what happens when reality differs from the spreadsheet.

For a deeper look at this part of the process, read How to Evaluate a Multifamily Operator Before Investing With Them.

12. Ask What Could Go Wrong

One of the best ways to evaluate an investment is to spend less time asking how much money you could make and more time asking how the investment could disappoint you.

What happens if rent growth is slower than projected? What happens if occupancy declines, expenses increase materially, renovation costs are higher than expected, or refinancing terms are less favorable?

You do not need to assume the worst possible outcome. You should understand whether the investment can withstand conditions that are less favorable than the base-case projection.

Good underwriting cannot predict the future. It should leave some room for the future to be imperfect.

A Good Investment Should Still Make Sense After You Look Under the Hood

Multifamily investing can become complicated quickly. There are underwriting models, financing structures, waterfalls, cap rates, debt terms, renovation assumptions, operating budgets, and projected returns.

But the fundamental evaluation does not have to be complicated.

Understand what the operator plans to do, how the property makes money, what assumptions drive the revenue and expenses, how the property is financed, how much capital will be required, and what future value is being assumed. Then evaluate whether the projected return seems reasonable relative to the risks you are being asked to take.

The goal is not to find a multifamily investment with no risk. That investment does not exist.

The goal is to understand the investment well enough to make an informed decision.

If you cannot explain in relatively simple terms how an investment is expected to make money, you probably do not understand it well enough yet to invest.

This article is for general educational purposes only and is not investment, legal, tax, or financial advice. Private real estate investments involve risk, including possible loss of principal, and may not be appropriate for every investor. Projected returns are estimates based on assumptions and are not guarantees of future performance. Prospective investors should review the applicable offering documents and consult their own professional advisers before making an investment decision.