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Austin proposes supertall-friendly density bonus overhaul

Program would allow towers up to 1,200 feet tall, as city shifts away from floor-area-ratio limits

The Republic @ 401 West 4th Street, Austin; Waterline @ 98 Red River Street, Austin; Mayor Kirk Watson; Kairoi Residential CEO Michael J. Lynd, Jr.; Dan Hollander of Austin-based DHA Capital

Austin city officials are proposing a major rewrite of its downtown density bonus program that could clear the way for a new era of supertall towers.

City staff unveiled a proposal Tuesday to the Austin City Council’s Planning Commission that would introduce two new “combining districts,” offering developers height bonuses of roughly 400 feet or 850 feet above base entitlements. The Austin Business Journal reported that the changes would increase maximum building heights to as much as 750 feet under the lower tier and 1,200 feet under the higher one, a dramatic jump from the current 350-foot cap across much of downtown.

The overhaul to Austin’s zoning standards is in response to Senate Bill 840, a recent state law that limits cities’ ability to regulate residential projects through floor-area ratios. Instead, Austin is pivoting to height as its primary control on density, according to the outlet.

The proposed framework would apply broadly to properties south of the Texas State Capitol, with city staff framing the changes as just the first phase of a broader downtown update. Additional adjustments for other districts are expected in coming months, according to the publication.

In practice, the new limits would accommodate projects already reshaping Austin’s skyline. The Republic, which recently began leasing office space, rises about 710 feet, while San Antonio-based Kairoi Residential and Lincoln Property’s 74-floor skyscraper development the Waterline at 98 Red River Street — set to be completed this year — will top out at 1,025 feet, just shy of the tallest skyscraper in Texas, the 1,049-foot JPMorgan Chase Tower in Houston. All would fit within the new bonus structure.

The mechanics of the program are drawing scrutiny, because while the city plans to automatically rezone eligible sites into the 400-foot bonus district, projects seeking the full 850-foot bump would require separate rezoning and City Council approval, according to the outlet. Some developers say that process injects uncertainty into already approved deals.

Dan Hollander of Austin-based DHA Capital warned the added entitlement step could slow projects and complicate underwriting.

Beyond height, the proposal tightens other requirements. Developers would face stricter parking caps and must meet a menu of design standards — seven for the smaller bonus, 10 for the larger — while also providing on-site affordable housing or paying fees in lieu. Other community benefits, such as preserving historic structures or adding cultural space, could offset some of those obligations.

The City Council is expected to take up the proposal May 28. 

Eric Weilbacher

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