The Pipeline Is Shrinking. The Tax Code Just Opened Up.

A September field guide for multifamily investors — starting with depreciation, then the national numbers, then two towns we actually own in.

The education piece: cost segregation is not a loophole. It is a clock.

Most new multifamily investors can recite the headline benefits of apartments — cash flow, leverage, and depreciation — without being able to explain how the third one actually works. That is a problem, because in 2026 the tax treatment of a well-underwritten apartment community is one of the most powerful parts of the investment.

Here is the simple version. The IRS does not let you expense a building the year you buy it. Residential rental real estate is written off over 27.5 years. That is the default clock. A cost segregation study is an engineering analysis that pulls the building apart on paper: carpet, appliances, cabinetry, certain fixtures, parking lots, landscaping, and site work. Those pieces have much shorter lives — typically five, seven, or fifteen years.

That study only gets interesting when it meets bonus depreciation. Under the 2017 tax law, bonus depreciation was scheduled to fade: 40 percent in 2025, 20 percent in 2026, and gone in 2027. The One Big Beautiful Bill Act reversed that path. For qualifying property acquired and placed in service after January 19, 2025, 100 percent bonus depreciation is back, and current IRS guidance treats the restoration as permanent. Short-life components identified in a cost segregation study can now be deducted in the year they are placed in service, rather than dribbled out over a decade or more.

On a typical garden-style community, studies often reclassify roughly 20 to 30 percent of depreciable basis into those shorter buckets. Combined with ordinary 27.5-year depreciation on the remaining structure, year-one paper losses can be large enough to shelter a meaningful share of the property’s cash distributions — and, for investors with other passive income, more than that.

Three cautions keep this honest. First, depreciation is a timing benefit, not free money. Basis is reduced, and depreciation recapture can appear at sale unless a 1031 exchange or another planning tool is used. Second, passive-activity rules still govern who can use the losses. Third, the study has to be defensible. A cheap template is not an engineering report.

Why start a market letter with tax law? Because the operators who win the next cycle will not be the ones who guessed rents perfectly. They will be the ones who bought good bones, financed them simply, improved operations, and used every lawful tool — including the clock the tax code just reset — to keep more of the cash their residents already paid.

The national picture: the hangover is fading

The 2022–2024 construction boom was the largest apartment delivery wave in a generation. Net new units peaked near 696,000 in 2024. That flood did what floods do. Vacancy rose. Concessions spread through the Sun Belt. National rent growth cooled from the 8 percent-plus years of the early 2020s to a crawl.

The inflection is now visible in the 2026 data, even if the sources do not agree on every decimal. Moody’s Analytics CRE, summarized in Arbor’s September snapshot, put effective rents at $1,841 per unit in the second quarter, with quarterly rent growth of 0.9 percent and vacancy holding at 6.8 percent. Yardi Matrix’s August survey showed advertised asking rents at $1,773, up 0.4 percent year over year — the strongest advertised growth reading in nearly a year. Cushman & Wakefield reported that second-quarter absorption outpaced completions and that construction activity, measured as a share of inventory, is at its lowest level since 2013.

The more important number is the pipeline, not last quarter’s rent. Deliveries have already fallen sharply from the 2024 peak. Starts remain depressed because construction costs and financing still do not pencil for many new projects. That is how cycles turn: not with a press release, but with fewer cranes.

Demand has held up better than the labor-market headlines implied. High for-sale prices and mortgage rates that still feel expensive to first-time buyers keep households in the rental pool. That is not a guarantee of 5 percent rent growth. It is a floor under occupancy for well-located, well-run communities — especially Class B and C product that rents below the new Class A lease-up specials.

The national story is therefore not a boom. It is a rebalancing. Oversupplied Sun Belt metros still have work to do. Gateway and Midwest markets have been leading advertised rent growth. Secondary Southeast markets sit in the middle: they took some of the supply wave, but they still have the jobs, in-migration, and housing shortage that made them interesting in the first place.

The Southeast: two speeds, not one region

Treat “the Southeast” as a single multifamily market and you will misread both Charleston and Florence. Major metros that added inventory at a torrid pace are still working through lease-up. Smaller and mid-sized markets that never attracted the same institutional construction machine look different. Occupancy is tighter. Rent growth is modest but real. The competition is other operators, not a 400-unit podium that just opened down the street with two months free.

That split is why the 50- to 100-unit community in a town people actually live in still belongs at the center of a cash-flow thesis. The national vacancy print is a weather report. The property is the farm.

Moncks Corner and the Charleston MSA: growth has moved inland

Charleston is no longer a peninsula story. Households have been pushing north and inland toward North Charleston, Summerville, Goose Creek, and Berkeley County, where rents are lower and master-planned communities still have room to grow. Colliers’ early-2026 Charleston note put it plainly: settlement is shifting toward those inland submarkets, and asking rents in the metro were still rising even as the construction map concentrated off the peninsula.

The 2026 operating setup is healthier than it was at the peak of deliveries. MMG’s Charleston forecast looks for effective rent near $1,807 by year-end, up about 1.5 percent, with occupancy edging up to roughly 92.1 percent. Completions are expected to fall by about half from 2025 levels, to around 1,625 units, with absorption close behind. Cushman & Wakefield’s midyear tables showed Charleston among the markets where vacancy compressed quickly once the pipeline cooled — and one of the former high-supply metros that has already returned to positive rent growth.

Moncks Corner is the inland chapter of that story. The town has been among South Carolina’s fastest-growing communities and is projected to add on the order of 11,000 residents by 2034. In April 2026, Town Council approved two planned developments along U.S. 52 — Village Square and the 96-acre Weathers Tract — that together allow for nearly 400 new homes and tens of thousands of square feet of commercial space. A separate 84-unit build-to-rent community, Wellstead at Strawberry, broke ground near SC-52. Downtown, the town has also advanced a town-square redevelopment that includes 58 apartments over street-level commercial.

None of that is a threat to a renovated 64-unit garden community if the work is done well. It is confirmation that jobs, retail, and households are following Highway 52. The Ranch at Cooper River, the 64-unit community, sits in that exact pattern: 1980/90 bones, a quiet residential setting, minutes from 52 and 17-A, inside a town that is adding rooftops and services rather than emptying out. Vintage product in a growing submarket is how forced appreciation gets a tailwind from the map, not just from the paint.

Florence, Alabama: small-market cash flow with real activity

Florence does not make national multifamily slideshows. That is part of the point. Average apartment rents in the city remain far below coastal metros — Cost of living runs well below the national average. Major employers still include the University of North Alabama, health systems, and manufacturers across the Shoals.

Activity this year has been real, if not flashy. In June 2026, a New Markets Tax Credit allocation was announced for West Village on the former Eliza Coffee Memorial Hospital site — a mixed-use plan with a grocery store, local retail, entrepreneurship space tied to UNA, and 78 workforce apartments. Affordable and senior product has also been adding in the broader Shoals.

Summerfield and The Timbers sit in that same workforce lane: 55- and 71-unit garden communities, the 50- to 80-unit range that is large enough to support operations and small enough that a roof, a turn schedule, and a leasing plan actually move the NOI. Two-bedroom rents in that product generally live near the $1,000 to $1,100 mark for updated units — well above the citywide average because the units are larger and improved, and still a deep discount to Charleston or Charlotte.

A secondary market only works if you underwrite operations, not stories. Florence will not deliver annual rent growth because a national brokerage said “Sun Belt.” It can deliver durable occupancy, controllable expenses, and the kind of forced appreciation that comes from better management, better turns, and tenants who stay because the place is clean and the office answers the phone.

What we are watching into the fourth quarter

• Starts, not headlines. If construction starts stay near cycle lows, 2027 and 2028 occupancy belongs to owners who already hold the keys.

• Class B and C pricing power. New Class A lease-ups still lean on concessions. Workforce product that was never in that fight can raise rents the old-fashioned way: by being full and being better than last year.

• Insurance, taxes, and payroll. NOI is not rent. Secondary-market deals still live or die in the expense line.

• Basis and the clock. With 100 percent bonus depreciation restored, acquisition timing, cost segregation, and exit planning belong in the same conversation as cap rates.

The Missional view

We do not need a roaring national rent cycle to do our jobs. We need properties with good bones, conservative debt, operators who treat residents like neighbors, and investors who understand that cash flow and character are not opposites.

September’s numbers say the industry is coming off a supply binge and remembering how to underwrite. Moncks Corner and Florence say the same thing at street level: people are still moving to the towns that work, and those towns still need decent apartments.

That is the work. Buy it right. Run it well. Give a portion back. Repeat.

— The Missional Capital Group team