5 questions investors should ask about a 7.3% cap rate

Within the world of real estate, there are few publications that continually grab my attention. Romain Sinclair’s NY Multifamily Newsletter, which is highlighted among my recommended Substacks, is one.

Having recently touched on rent-stabilized units, Romain’s brokerage followed up with a compelling multi-family investment opportunity—one that sheds light on both the possibilities and constraints of buying a building.

Let’s start with the opportunity itself.

Well-Run Multifamily Steps From Subway — 7.3% Cap Rate
Sinclair Realty Group is pleased to exclusively represent ownership in the sale of 422 61st Street, a residential property with 14 free-market apartments out of 16 tenant-occupied, rent-producing units.

The 17th apartment has always been employee-occupied, and allows for the setting of first rents at market levels. The headline opportunity is to restore apartments to their original, higher bedroom count layouts (+20% in number of bedrooms) to obtain higher rents.

The property is a 1-minute walk to the subway and half a block from 5th Avenue, one of Brooklyn’s primary retail corridors.

Before we move on this, let’s unpack the numbers.

What Does a 7.3% Cap Rate Mean?

A cap rate (short for capitalization rate) is a quick way of saying: If you paid all-cash for this property, here’s the annual return you’d make on the current income.

Formula:
Cap Rate = Net Operating Income (NOI) ÷ Purchase Price

Translation:
If a building has $730,000 in NOI and is listed for $10,000,000, that’s a 7.3% cap rate—aka you’d recoup 7.3% of your cash outlay in Year 1.

A 7.3% return could be good, but don’t get too cozy with that number. Let’s ask five real questions that any investor should:

Is the 7.3% in-place or pro-forma?
Are we talking actual rent roll (what tenants pay today) or assumed rents post-renovation?

What’s included in NOI?
Did the broker really include everything? (Maintenance? Insurance? Property taxes?) Or were some expenses “rounded down” for effect?

How stable is that income?
With 14 of 16 units free-market, turnover risk is higher. Could be good (rents rise!) or bad (vacancy = burn).

What’s the capital plan?
Restoring layouts = construction. When? How? With 14 units occupied, that’s a jigsaw puzzle.

What’s not said?
No mention of deferred maintenance, roof age, boiler condition... yet those can be deal-breakers.

So while that 7.3% cap rate looks nice on paper, any savvy investor will:

Discount the headline until audited expenses are in-hand
Model cash-on-cash returns after financing (hello, 4–5%)
Weigh the upside of free-market rents against the real costs of turnover and renovations

And about those last two units…

The listing says 14 of 16 are “free-market.” That leaves two units unaccounted for.

Not a big number—just over 10% of the total (including the employee unit)—but crucial if your play is full free-market control.

They could be:

• Free-market but rent-regulated at preferential rents

• Rent-stabilized (still under legal regulation)

• Something else entirely (succession tenant, legacy lease, etc.)

Bottom line: The ability to restore and charge free-market rents for all 16 units is a make-or-break factor for any investor considering this deal.