Microsoft ATL50 data center
Also called: ATL50
Microsoft filed plans for two three-story data center buildings (910,000 square feet) on 88 acres on Stonewall Tell Road in Union City. The filing lists 2032 as the finish date.
Where things stand: Filed for state regional review on Sept. 15, 2026.
🕒 Latest update (Sept 15, 2026): Union City filed Microsoft's ATL50 for state regional review (DRI #4843): two 3-story buildings, 910,000 square feet, on 88 acres.
What we know
- 📍 Where5235 Stonewall Tell Road, west of Stonewall Tell Road and north of Koweta Road, Union City, Fulton County
- 🏢 CompanyMicrosoft
- 🏛️ Owned byMicrosoft
- 👤 Built forMicrosoft
- 🌳 Size88.01 acres
❓ Still unanswered
Nobody has answered these in public yet. Can you help find out?
- How much power and water will it use? 🙋 I'll find out
- Is ATL50 part of the Microsoft campus already planned nearby? 🙋 I'll find out
What happened so far
- Sept 15, 2026Union City filed Microsoft's ATL50 for state regional review (DRI #4843): two 3-story buildings, 910,000 square feet, on 88 acres.
Local votes and rules
📜 Data center rules
Union City council approved, in a split vote, adding data centers as a conditional use in its office-industrial zoning district, over many residents' objections. The city already allowed data centers in other districts, including Microsoft's large project.
Drag the slider to compare the land before and now.
Where this comes from
- DRI #4843: ATL50 (Development of Regional Impact filing) · Georgia Department of Community Affairs · Sept 15, 2026
- DRI #4843: ATL50, Initial Information Form · Georgia Department of Community Affairs · Sept 15, 2026
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