Up to 1,000 homes near Circle C. What was actually approved?
Austin City Council changed the legal capacity of part of Tract 110 on September 24. That makes much more housing possible. It does not mean 1,000 apartments are permitted, designed and ready to break ground.
Permission changed. The project still has to be designed, reviewed, traffic-tested, permitted and built.
The easiest mistake: reading “approved for up to 1,000 units” as “1,000 units are coming now.” Council approved the legal framework that allows that scale. The city documents still push major site and transportation decisions into the next development stage.
Why the city documents show two different acreages.
There were two related approvals. One amended the broader Circle C development agreement. The other changed zoning conditions on the smaller parcel where the multifamily project would actually be built.
Development Agreement Amendment
This is the broader Tract 110 legal framework tied to the old Circle C development agreement and Save Our Springs settlement.
Zoning Conditions Change
This is the smaller zoning area at 11010 1/2 South Mopac: 67.138 acres on Tract 1 plus a 0.294-acre Tract 2.
So when one document says roughly 246 acres and another says roughly 67 acres, neither is necessarily wrong. They are describing different legal layers of the same Tract 110 change.
This is really an office-to-housing entitlement shift.
The old development agreement carried a large office allocation on this parcel. The September amendment zeros that office allocation and reallocates density toward residential uses, while the zoning ordinance creates the practical 1,000-unit cap on Tract 1.
The important distinction: the development agreement uses legacy density-allocation categories, while the zoning ordinance separately says development of Tract 1 may not exceed 1,000 dwelling units. That 1,000-unit ceiling is the cleaner number for understanding the actual development parcel.
Here is where the project actually sits.
The September vote moves Tract 110 through the land-use gate. The steps that determine what gets built, how it is accessed and when it opens are still downstream.
The city deliberately pushed the hardest access decisions to the site-plan stage.
Traffic was the most visible neighborhood concern, but the September approval did not lock every driveway or traffic-control decision. Instead, it created a process for deciding them later with a full TIA.
La Crosse + Dahlgreen signal
The TIA must study whether a traffic signal is necessary. If Austin Transportation and Public Works determines it is warranted, the landowner must fully fund and construct it before the first certificate of occupancy.
Dahlgreen traffic reduction
The TIA must evaluate traffic-reduction solutions for Dahlgreen Avenue rather than assuming unrestricted neighborhood access.
Shared-use path
The TIA must study a shared-use path along Dahlgreen. If required, the landowner must dedicate the needed land before the first certificate of occupancy.
Driveway access
The TPW Director will determine the access requirement after the TIA. The agreement lists emergency-only access first, then egress-only, then time-restricted access as potential outcomes.
The old requirement for the property owner to build the South Bay Extension on Tract 110 was removed.
A later transportation review tied to the actual site-development permit, with the TIA and TPW Director determining what improvements and access controls are required.
If required by the TIA, certain improvements must be completed before the first certificate of occupancy. The agreement also requires on-site parkland and a public trail network, including access to Valor South Austin Public Charter School.
What are you actually trying to figure out?
The same rezoning means something different if you live next door, use Dahlgreen every morning, own in Circle C or are considering moving there.
The zoning vote is not the last local decision.
The next useful records are the site plan, Traffic Impact Analysis and TPW access determination. Those documents will tell you much more about actual circulation, entrances and required improvements than the 1,000-unit headline does.
Watch Dahlgreen at the site-plan stage.
Access is still conditional. The approved agreement requires the TIA to study Dahlgreen and gives TPW several possible access configurations. The actual operating pattern is not fully settled yet.
Do not treat the approval as a finished neighborhood condition.
If you are comparing Circle C homes, this is future context, not a current built condition. Today you still need to evaluate the actual home, route, school assignment, taxes, insurance and current traffic pattern separately.
One rezoning does not equal a property-value answer.
The change may affect future housing supply, traffic patterns and nearby amenities, but none of that translates cleanly into a specific home's value. Watch execution and compare actual market data as the project gets more concrete.
The next signal is not another zoning headline.
Follow site-plan filing, the full TIA, access determinations, parkland/trail plans, permits, ownership changes and construction financing. Those are the steps that convert entitlement into a physical project.
Four shortcuts that make this story sound simpler than it is.
“Austin approved 1,000 apartments.”Closer: Austin approved the legal capacity for up to 1,000 dwelling units on Tract 1.+
“The land was rezoned to an apartment district.”The base zoning labels stayed CS-MU-CO and GO-MU-CO. The conditional-overlay rules changed.+
“Dahlgreen access is already decided.”The old prohibition was removed, but the final access configuration is still tied to the TIA and TPW decision.+
“So this is about to start construction.”The sources reviewed here do not establish an approved site plan or construction start.+
Watch these records next.
FAQ
Did Austin approve construction of 1,000 apartments? +
Why do the documents say both 246 acres and about 67 acres? +
Is Dahlgreen Avenue access final? +
Is the South Bay Extension still required? +
Is affordable housing required? +
Is Stratus still expected to build it? +
- City of Austin, Sept. 24, 2026 Council agenda: Items 83 and 92 for the Tract 110 development-agreement and zoning actions. Council record.
- City of Austin draft zoning ordinance: 67.138-acre Tract 1 plus 0.294-acre Tract 2, 16.38-acre impervious-cover cap, 10,000 SF retail cap and 1,000-dwelling-unit cap. Draft ordinance.
- City of Austin draft Fourth Amendment: office-density reallocation, TIA requirements, Dahlgreen access process, parkland and trail requirements. Development agreement.
- Applicant summary letter: July 2025 explanation of the requested land-use shift and proposed affordability language. Applicant summary.
- Austin Business Journal, Sept. 25, 2026: reporting on Council approval and the potential 1,000-unit project. Source article.
- Stratus Properties / SEC: 2026 plan of liquidation, asset sales and voluntary delisting. SEC filing.
Framing note: This page explains land-use and development records. It does not predict whether all 1,000 units will be built, when construction will begin, or how a future project will affect a particular home's value. Project documents can change as later permits are filed and approved.
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