August rents rose. That doesn't mean rent growth is back.

One tenth of one percent. That is the August rent number sellers will be emailing you this week, and it is a long way from the 2 or 3 percent rent growth some offering memorandums will assume.

Apartment List's National Rent Report, dated August 26, put the national median rent at $1,390. Rents rose 0.1 percent from July to August. Two things make that notable, and they cover different time spans. Within this year, it is the seventh monthly increase in a row. And compared across years, it is the first time an August has come in positive since 2022, because in 2023, 2024, and 2025 rents were already falling by the time August arrived. Even so, measured over the full past year, rents are still down 0.8 percent compared with August 2025. That annual figure bottomed at negative 1.6 percent in April and has been improving for four months. From the mid-2022 peak, rents are down 3.6 percent, or about $52 a month, though they remain 21 percent above where they started in 2021.

The cover note will say that rents are rising and vacancy has finally turned. Both can be true, and neither one belongs straight in your underwriting.

One month up is not a rent-growth case

A 0.1 percent increase from one month to the next is really just a seasonal wiggle, not a rent-growth assumption. Apartment List points out that we are at the tail end of peak moving season, and that growth is already slowing. Prices will most likely begin their usual off-season dip in the next month or two. The more meaningful figure is the year-over-year number, which describes the last twelve months of actual leasing, and that number is still negative.

If an OM assumes 2 or 3 percent market rent growth simply because August turned positive, it is letting one month overwrite a T-12 (the trailing twelve months of a property's actual income and expenses) that still shows softness. Lean on the trailing actuals rather than the seller's projections. That was the right approach when rents were falling 1.6 percent a year ago, and it is still the right approach now that they are down 0.8 percent.

It helps to remember why the market is soft in the first place. Apartment construction peaked in 2024 at more than 600,000 new units, the most in a single year since 1986. Deliveries have slowed since then but are still high. The real question is how quickly all those new units get absorbed, not whether the national median moved a dollar or two.

Vacancy dipped, but units still sit

The vacancy figure here tracks only stabilized properties, meaning those that have finished their initial lease-up. It peaked at 7.3 percent in February, the highest level since Apartment List began tracking it in 2017, and eased to 7.1 percent in August. That was the first decline in the national vacancy index since late 2021.

It is a real turn, and worth noting. But it is only 20 basis points (a basis point is one hundredth of a percent) off a record high, on buildings that are already full enough to count as stabilized, and it comes after four straight years of heavy new supply. It also helps to separate two different measures here. Vacancy is how many units sit empty at a given moment. Time-to-lease is how long each empty unit takes to fill. The vacancy rate dipped, but on that second measure the market is still slow: it took 32 days on average to lease a unit in August, two days longer than in July. That is the longest for any August since 2019, three days longer than August 2025, and about two weeks longer than August 2021, when the market was at its hottest.

When units take a month to lease, the owner is usually still offering concessions (free rent or move-in discounts), carrying empty units, or both. A 7.1 percent national vacancy figure tells you very little about the specific 220-unit suburban apartment community you are bidding on this week. Look at the rent roll, and check whether the T-12 has already counted a one-time burn-off of concessions that will not repeat.

Cushman & Wakefield's portfolio of about 144,000 managed units, recapped by CRE Daily on August 30, is the kind of operating data brokers will pair with this: Class A occupancy up 38 basis points year over year, Class B up 25, leasing activity up 19 percent, and concessions running below 2.5 percent. It is helpful context, but it is one company's managed portfolio, not your submarket, and not a substitute for the actual file.

The national median is not your submarket

Of the 55 largest metros, rents rose month over month in 36 of them. But over the past year, they are still down in 28. The weakness is concentrated in the Sun Belt and Mountain West, the same regions that absorbed most of the construction wave.

The spread between markets is wide. The San Antonio metro is down 5.1 percent year over year, the steepest decline among large metros. Austin is down 2.9 percent, though that is a big improvement from a year ago, when it was down 6.8 percent. Denver, Phoenix, Tampa, and Charlotte are all still in the negative column. At the other extreme, the San Francisco metro is up 11 percent, San Jose is up 7.9 percent, and within the city of San Francisco itself, rents are up 26 percent.

A national median of $1,390, blended across markets that different, is only a temperature reading. If your buy box is a Class B property in the Sun Belt and the OM quotes Bay Area rent growth, you are inventing a market. The same holds in reverse: do not carry a 26 percent San Francisco number into a value-add deal in Charlotte.

Rebuild the property's net operating income from the T-12. Compare the in-place rents on the rent roll against what units are actually leasing for today. Then decide whether the seller's growth story holds up in a submarket that may still be down year over year.

A better operating month is not a floor under prices

There is also a difference between how a property operates and what it is worth. MSCI's RCA CPPI, a repeat-sales index that tracks actual transaction prices, was recapped by CRE Daily on August 28. It showed apartment prices down 4.1 percent year over year in July and down 0.8 percent from the prior month. Values now sit 22 percent below the July 2022 peak, with nine straight months of annual price declines. The all-property version of the index was up 0.2 percent year over year, but apartments are not the all-property index.

In other words, occupancy can improve and asking rents can tick up a tenth of a percent while values keep falling. If an OM treats a small dip in vacancy as proof that the exit cap rate (the rate a buyer will use to value the property when you eventually sell it) should tighten, it has quietly turned an operating improvement into a pricing assumption the repeat-sales data does not support.

The tedious work is still gathering and rebuilding the numbers. The judgment is still the same: is 2 percent rent growth honest for this specific property, does the exit need another 25 to 50 basis points of cushion, and is the concession line in the T-12 a steady run rate or a one-time giveaway? A confident but wrong number is still the worst outcome, and a 0.1 percent national print just makes it easier to feel sure of yourself.

This is where putting the OM into the Excel template your IC already trusts pays off. Every figure ties back to a page in the source documents, so your analyst can focus on what matters: in-place rent versus asking rent, vacancy versus the seller's occupancy story, and whether the growth case fits this metro rather than a national median. From there, AcquiScore can mark the deal Proceed, Caution, or Pass against your buy box, which helps when your inbox is full of "rents are rising" cover notes. It does not make the decision for you.

What to do this week

If a new deal package arrives with a national rent chart in its first few pages, take it out of the IC appendix. Replace it with the fuller picture: a $1,390 median, still down 0.8 percent over the past year, 32 days to lease a unit, the Sun Belt still negative, and apartment values still falling on the RCA index.

Then go back to a deal you are already working on. Load the T-12 and rent roll into your Excel model, with every figure on net operating income, occupancy, and in-place rent traceable to the source. See whether the seller's growth story still holds once you refuse to borrow a national 0.1 percent that was never really about your market.

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