Sunbelt Rent Growth Has Shifted Into a New Gear
If you have been tracking Sunbelt multifamily fundamentals over the past eighteen months, the headline is no longer a surprise: effective rent growth across Austin, Phoenix, Nashville, Charlotte, and Atlanta has moderated meaningfully from the peak levels recorded in 2021 and 2022. What matters now is understanding the nuance beneath that moderation, because the markets are not moving in lockstep, and lender underwriting has responded in ways that directly affect how you should be structuring deals entering predevelopment today.
Across most of these metros, effective rents have either flatlined or posted modest year-over-year declines in the low-to-mid single-digit percentage range, driven primarily by the historic delivery wave that began clearing pipelines in 2023 and accelerated through 2025. Concessions have expanded in a number of submarkets, with free rent offers running anywhere from several weeks to two or more months in the most supply-heavy pockets. That is not a crisis. It is a recalibration, and for sponsors with patient capital and disciplined underwriting, it is also an opportunity window that is beginning to close as new starts have pulled back sharply.
Market-by-Market Texture You Cannot Ignore
Austin remains the most pressured of the five markets. The pipeline that priced in 2021 was extraordinarily large relative to household formation, and absorption has struggled to keep pace. Concession activity is elevated, and operators are prioritizing occupancy over rate. Underwriters are applying notably conservative rent assumptions in Austin, with many lenders stress-testing stabilization timelines well beyond historical norms.
Phoenix and Nashville sit in a similar transitional posture, though both are showing early signs of absorption improvement in core infill locations. Ground-floor retail adjacency and unit mix skewed toward workforce price points have held better than luxury product in both metros. Charlotte and Atlanta present a more encouraging near-term picture. Both cities have continued to attract corporate relocations and population inflows at a pace that is helping to offset elevated supply, and rent concessions in those markets are generally less severe outside of oversupplied suburban nodes.
The common thread across all five is this: location and product positioning within a metro matter far more than metro-level headlines. A class-A tower delivering in a supply-saturated submarket in Phoenix is underwriting to a very different reality than a workforce-affordable mid-rise in an employment-dense Charlotte corridor.
How Lenders Are Adjusting Their Underwriting
Capital markets participants have responded to this environment with a set of adjustments that sponsors need to internalize before they model their next deal. Agency lenders have tightened their stabilized occupancy thresholds and lengthened their assumed lease-up periods, particularly for markets like Austin and Phoenix where historical comps from 2021 are no longer considered representative. Debt service coverage requirements have migrated upward from where they stood during the low-rate era, and loan-to-cost appetites have compressed in markets where cap rate discovery is still incomplete.
Life insurance companies and specialty debt funds remain active for well-located, well-capitalized transactions, but they are underwriting rent growth assumptions in the flat-to-modest range for years one through three, with growth resuming gradually in the back half of a hold period as new supply fades. Sponsors who walk into lender conversations with aggressive mark-to-market assumptions or compressed lease-up timelines are encountering friction that slows or derails term sheets.
The more nuanced shift is on the construction lending side. Several lenders that were active Sunbelt construction participants through 2022 and 2023 have reduced exposure to these geographies selectively, creating pockets of reduced competition for deals that do qualify. Sponsors with strong guarantor balance sheets, proven operating track records in the specific submarket, and equity in the forty-plus percent range are still finding viable capital stacks, particularly through specialty debt funds and regional bank relationships with existing borrower history.
What This Means for Deals in Predevelopment Now
The delivery wave is peaking. In most of these five markets, net new starts have declined substantially from prior-cycle highs, and meaningful supply relief is projected to begin working through the system in the 2027 to 2028 window. That means a ground-up project entering predevelopment or entitlement today has a reasonable opportunity to deliver into a tighter market, provided the business plan is built on conservative stabilization assumptions rather than a bet on a return to peak rent levels.
The actionable takeaways are straightforward. Underwrite to current effective rents, not asking rents. Assume lease-up periods on the longer end of historical ranges. Stress test debt service at rates that reflect today's forward curve, not a refinance scenario dependent on aggressive cap rate compression. Prioritize submarkets with identifiable demand drivers: employment nodes, healthcare campuses, university adjacency, transit corridors. And have a frank conversation with your capital markets advisor about which lenders are actively deploying into your specific geography and product type before you commit time and resources to a capital stack that may not exist.
The Sunbelt is not broken. It is repricing to a durable equilibrium, and the sponsors who are building their models around that reality rather than 2022 nostalgia are positioning themselves well for the next cycle.
If you have a multifamily deal in predevelopment or entitlement across any of these Sunbelt markets, the team at CLS CRE would welcome the conversation. Reach out through our Multifamily hub to discuss how we are structuring capital solutions for sponsors working through today's underwriting environment.
Trevor Damyan is a commercial mortgage broker at Commercial Lending Solutions with a background in structured finance at CBRE and Marcus and Millichap Capital Corporation. He specializes in bridge loans, construction financing, SBA programs, DSCR loans, and complex capital structures for investors and developers across all 50 states.
View full profile →