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Author: Mark Ainely | Partner GC Realty & Development & Co-Host Straight Up Chicago Investor Podcast
Every new investor eventually asks the same question. Should I buy single family homes or jump into multifamily. Both sides of that argument hold up. It depends on what you're actually trying to accomplish and where you are right now.
I've owned and managed both. I've watched hundreds of investors across roughly 1,500 units make this decision one way or the other. There isn't a universal right answer, but there are real tradeoffs that most people never actually sit down and work through. This is my attempt to do that.
Key Takeaways
Single family financing is straightforward through traditional loans or BRRRR. Multifamily stays in that same residential lending world through 2 to 4 units, then flips to commercial financing at 5 or more, with shorter terms, larger down payments, and a smaller pool of lenders.
The 1% rule works for single family. It breaks down for multifamily because the owner typically covers utilities and common area costs that a single family tenant pays directly.
Single family vacancy is rare but total. Multifamily vacancy is frequent but rarely dents overall cash flow, since one empty unit out of many isn't the same as losing all your income.
The real CapEx driver isn't roof count, it's building type. Brick multifamily buildings bring tuck pointing, lintel repair, and parapet wall costs that single family properties largely avoid.
Single family's wider buyer pool at exit can work against you, since cashing in on appreciation usually means evicting the tenant, rehabbing, and absorbing months of vacancy before selling to an owner occupant.
Where you're investing matters. Multifamily inventory is thin in the outer suburbs and doesn't turn over often, while the city offers the opposite challenge for single family buyers.
Getting from zero properties to one is the hardest step in either strategy. Single family is often the easier way to build that first bit of momentum, and a 1031 exchange can move you into multifamily later.
Financing and Entry Cost
This is where the two strategies actually start to look different, and it happens sooner than people think.
A single family home is straightforward to finance. Traditional lending typically calls for 20 to 25 percent down, and any conventional mortgage broker can get you there. But single family also opens the door to the BRRRR strategy, buy, rehab, rent, refinance, repeat. Add value through renovation, refinance based on the new appraised value, and it's realistic to end up with less than 10 percent of your own cash left in the deal.
That same play works on small multifamily too. Two to four unit buildings still qualify for conventional and FHA residential financing, so you can run the same BRRRR strategy on a duplex, triplex, or quad that you'd run on a single family home.
Everything changes at five units. Cross that line and you're in commercial lending, not residential. The rules flip in several ways at once.
No owner occupied financing. You're a commercial borrower now.
Shorter terms. Instead of a 30 year fixed, expect a five to seven year term.
Down payments in the 20 to 25 percent range, similar to smaller properties, but harder to avoid.
You can still add value, typically through a construction loan followed by a refinance into permanent financing, but it costs more on both ends, and you'll be refinancing again in five to seven years when that term is up.
The lender pool shrinks too. A single family home or a small multifamily can be financed by nearly any mortgage banker or broker. Once you're above five units, you're limited to a smaller set of commercial lenders with tighter restrictions and tougher underwriting. They also want to see real equity in the deal. Even if you've forced significant value through renovation, a commercial lender isn't going to let you walk away with only 8 or 9 percent of your own money in the property. They want skin in the game regardless of what the numbers say on paper.
The good news is if you're looking at a single family home, a 2 to 4 unit multifamily, or an apartment building, you can use our Free Rental Analysis to make sure you know your rents before you commit to a financing plan built on the wrong number.
Cash Flow and the Numbers
If you're doing back of the napkin math to figure out whether you even have a deal, the 1 percent rule, monthly rent should equal at least 1 percent of the purchase price, works reasonably well for single family homes. It does not hold up the same way for multifamily.
The reason isn't the rent, it's the expense structure. A single family tenant typically covers their own utilities and lawn care. On a multifamily property, the owner often ends up covering building heat, water for every unit, lawn care, and common area cleaning. Two properties can have the same gross rent to price ratio and produce completely different net numbers once you account for what the owner is actually paying for.
This expense difference is also why the two property types get valued so differently. Multifamily value is driven by the cap rate, which means it's a direct function of net operating income. Lower your expenses or raise your income and you increase the property's value, mechanically. But that also caps you. You can only raise rent so much, and you can only cut costs so much, before you hit the ceiling of what the property can support.
Single family doesn't work that way. You might buy in a neighborhood that appreciates on its own over a few years, doubling or tripling in value, while rents barely move. When you eventually sell, your buyer is often an owner occupant rather than another investor, so the price isn't tied to what the rent roll can justify. Once a single family home appreciates enough, the numbers stop working for the next investor. An owner occupant doesn't need them to.
Multifamily also gives you operational levers that single family simply doesn't have, because you're managing a system, not just a unit. Sub metering water so each unit pays its own bill. Converting a shared boiler to in unit HVAC. Upgrading a laundry room to generate additional income. Charging separately for parking. A single family rent is one number, the tenant gets the whole package. A multifamily property is something you can actively engineer, unit by unit and expense by expense.
Management Burden and Vacancy Risk
With single family, vacancy doesn't happen often, but it hits hard when it does. You might see a turnover once every three to seven years, and when it happens, you go from full income to zero income overnight.
Multifamily vacancy is the opposite. It's constant, but it's rarely catastrophic. A larger building might see one turnover a month, or at least a handful every year. You're almost never sitting at 100 percent occupancy for more than a few months at a time.
The dollar amounts cut the other way, though. A single family home might rent for $3,000 a month, so losing that tenant is a real hit, but it happens rarely. A multifamily unit might rent for $1,600 to $1,700, a smaller number, but you're absorbing that kind of turnover regularly across the building.
Nonpayment makes the point sharpest. If your single family tenant stops paying, your income on that property goes to zero, period. If one tenant out of an 18 unit building stops paying, it's not nothing, but it barely dents your overall cash flow. The rest of the building keeps paying rent while you work through it.
Single family tenants, on the whole, tend to be a more stable tenant pool. Your risk of ever having to evict someone in a single family home is generally lower than it is across an apartment building. So multifamily trades frequent, survivable turnover and diversified nonpayment risk for a tenant base that is statistically a bit shakier. Neither one is simply safer. The risk just shows up differently.
CapEx and Maintenance
There's a common argument that multifamily wins on maintenance because you're consolidating big ticket items. Five single family homes means five roofs, one multifamily building means one roof. I'd push back on that.
Five single family roofs might run you $50,000 combined. One commercial flat roof on a multifamily building can easily cost $50,000 to $60,000 on its own. The costs tend to land in a similar place, they're just distributed differently.
What actually drives multifamily CapEx higher is the building type. Once you're looking at a 12 to 18 unit building, you're often dealing with a brick structure, which means tuck pointing, lintel repair, and parapet wall work, all specialized, all expensive. A single family home is more likely to have siding, or if it is brick, it typically needs far less of that kind of work. So the real CapEx gap isn't roofs versus roofs, it's the building envelope itself.
Exit and Appreciation
On paper, single family looks like it has the easier exit. It sells to the widest possible buyer pool, investors and owner occupants alike. Multifamily sells almost exclusively to investors, who value it on cap rate and net operating income rather than comps.
But in practice, that wide buyer pool can work against you. If your single family home has appreciated to the point where investor numbers no longer work, and they often do once prices climb, your realistic buyer is an owner occupant. Getting there usually means not renewing your tenant's lease, then putting money into the property to prep it for that market. That's a tenant moving out, two to three weeks of rehab, two to three weeks on the market, two to three weeks under contract, and then closing. You can easily lose three to four months of vacancy and spend $10,000 or more getting there.
A multifamily building doesn't require that detour. An investor buyer often prefers it fully occupied and stabilized, income intact, nothing to fix before closing. You can sell it as is, tenants in place, and the next buyer is happy to take over exactly what you handed them.
That gap only gets wider at scale. If you build a portfolio of a hundred single family homes, you're eventually looking at a hundred separate closings, a hundred separate negotiations, and likely a hundred separate buyers, since almost nobody is writing one offer for a scattered site portfolio that size. A hundred unit apartment building sells in a single transaction to a single buyer. Same number of doors, completely different exit.
You can sell a single family portfolio in bulk, there are investors who buy scattered site portfolios exactly like that. But remember who's buying it. You're selling to an investor, not an owner occupant, so you're not getting the full appreciation value each of those homes could fetch individually on the retail market. If you sold every one of those homes empty to an owner occupant instead, you'd walk away with far more. Selling off a single family portfolio in bulk means eating a real discount to get the speed and simplicity of one transaction.
Location and Inventory
Everything above assumes you can actually find the property type you want to buy. In the Chicago area, that's not a given, and it depends heavily on where you're looking.
Out in the northwest suburbs, somewhere like Schaumburg, multifamily inventory is thin compared to single family. On the northwest side of the city itself, it's the opposite, multifamily is everywhere and single family is what's harder to come by.
The near west suburbs and the southwest suburbs tend to have more apartment buildings than you'd find further out. But once you get to the edges of the metro, towns like Frankfort, Tinley Park, Wheaton, or St. Charles, multifamily inventory drops off sharply, and what little exists doesn't turn over often. Even a town like Addison, which does have a decent number of multifamily buildings, doesn't see much of that inventory actually come up for sale.
Your strategy can be limited by geography as much as by financing or preference. If you're committed to investing in the outer suburbs, you're going to struggle to find quality multifamily deals with any regularity. If you're focused on the city, you may find the opposite problem, quality single family investment opportunities are the harder ones to come by.
Barrier to Entry
Everything above assumes you've already bought something. For most people, that's the hardest part.
Getting from zero properties to one is far harder than getting from two to four, and it isn't really about capital or knowledge. You can read every book and run every spreadsheet, and it won't matter as much as simply doing the deal for the first time. Once you go through the process once, you realize it wasn't nearly as painful or as risky as it felt going in, and the second and third deals come much easier.
Trying to take down a larger multifamily building right out of the gate raises that barrier significantly, and for a lot of people, it delays getting started or stops them from ever starting at all. Buying a single family home or a townhouse first gets you moving, and that's what actually matters early on.
That doesn't mean single family has to be the end goal, even if you want to build a portfolio of hundreds of units. Single family can simply be the stepping stone. Buy it, build equity and experience, and when you're ready to scale, roll that equity into a multifamily property through a 1031 exchange. You get past the hardest part of investing, the zero to one jump, and then use what you built to move into the strategy you actually wanted all along.
FAQ
Which is better for a first time investor in Chicago, single family or multifamily? Single family is usually the easier starting point. The financing is simpler, the tenant pool tends to be more stable, and getting through your first deal builds the confidence and track record you'll need if you eventually want to scale into multifamily.
Does the 1% rule still apply to multifamily properties? Not reliably. Multifamily expense structures often shift utilities and common area costs onto the owner rather than the tenant, so a property can clear the 1% rule on paper and still cash flow worse than a single family property that doesn't.
Is multifamily always more work to manage than single family? Not necessarily more work, different work. Multifamily turnover happens more often, sometimes monthly on larger buildings, but each individual vacancy has a much smaller impact on your overall cash flow than losing your only tenant in a single family property.
Can I use BRRRR on a multifamily property? Yes, as long as it's a 2 to 4 unit building. That range still qualifies for conventional or FHA residential financing. Once you're at 5 units or more, you're in commercial lending, and that changes the terms, the down payment, and how much cash you can realistically pull back out.
Should I only invest in one property type long term? Not necessarily. Many investors start in single family to get their first deal done, then use a 1031 exchange to move that equity into multifamily once they're ready to scale. Where you're investing in the Chicago area can also push you toward one type simply based on what inventory is actually available.
Don't Go At This Alone
Single family versus multifamily was never really a competition. It's a sequencing question, and the right sequence depends on where you're starting from and what you're building toward.
If you're trying to get from zero properties to one, or you're weighing when the right time is to move into multifamily, our team at GC Realty can help you think it through. We've helped investors make this exact decision across roughly 1,500 units and 500-plus investors, and we'd be glad to help you make it too.
You can also hear more of this kind of conversation on our podcast, Straight Up Chicago Investor, where we talk through real investing decisions like this one every week.
