Other · Illinois
300 West Adams Street
Approved data center conversion underway (Chilled AI), but final approval pending and marked as 'already in play'. · summary, model-written
Solid = from the authors' map · outlined = public source · dashed = model-written, not yet reviewed by a person. Tap any value's source label to see where it came from.
Site profile10 elements · what this retrofit is built with · tap a chip for the evidence
Retrofit in the pipeline
This site: …approved newtypes-extraction · all sites with this3+ other atlas sites within 10 km
This site: 14 within 10 km computed · all sites with this30,000+ vehicles a day on an adjacent road
This site: 98,345 on Lake Shore Dr fhwa-hpms · all sites with thisCounty lost 10%+ of retail establishments since 2012
This site: -11% census-cbp · all sites with thisCounty permitting 2,000+ apartment units a year
This site: 4,853 units, Cook County census-bps · all sites with thisCounty typical rent $2,000+
This site: $2,228/mo zillow · all sites with thisShrinking county
This site: -0.7% census-acs · all sites with thisRedeveloped
This site: …convert five levels of the 1927 terra cotta building into a data center record · all sites with thisReinhabited
This site: …convert five levels of the 1927 terra cotta building into a data center record · all sites with thisData center
This site: …convert five levels of the 1927 terra cotta building into a data center Approved by Permit Review Committee of the Commission on Ch newtypes-extraction · all sites with thisNow
| Status | Retrofit approvednewtypes-extraction |
|---|---|
| Strategy | Redevelopment · Reinhabitation, approvedWikipedia |
| New uses | data centerWikipedia |
| What is there now | convert five levels of the 1927 terra cotta building into a data centernewtypes-extraction |
| Redeveloper | Chilled AInewtypes-extraction |
Planning
| Entitlement year | 2026Wikipedia |
|---|---|
| Planning notes | Approved by Permit Review Committee of the Commission on Chicago Landmarks.Wikipedia |
Site context
| Housing permits, Cook County (IL), 2024 | 4,853 units in 5+ unit buildings, 512 in 2–4, 1,142 single-family; 2023: 3,332 in 5+Census BPS |
|---|---|
| Other atlas sites nearby | 14 within 10 km, 23 within 25 km: Sports Authority (0.0 km); LaSalle Street Reimagined (0.0 km); Millennium On LaSalle (0.0 km); 300 W. Adams (1.0 km); James R. Thompson Center Mall (1.2 km)computed |
| Retail trade in the county, 2012 to 2023 | 13,577 establishments (-11%); 214,575 jobs (-4%)Census CBP |
| Housing market in the county | typical home value $340,258 (+6% 1 yr, +23% 5 yr); typical rent $2,228/mo (+5% 1 yr), 2026-09Zillow Research |
| Traffic on the busiest road within 600 m (2024) | 98,345 vehicles a day on Lake Shore Dr (principal arterial, 9 lanes); 640 trucks; 33 counted segmentsFHWA HPMS |
Summary, model-written
300 West Adams Street (Chicago, IL) is approved for conversion into a data center by developer Chilled AI. The 1927 office building’s five levels will be reconfigured. Approved by Chicago Landmarks Commission in 2026. Interior demolition permits issued in 2026. Awaiting final city approval.
Why. Status is 'approved' but marked as 'already in play' (under construction/approved/sold). No new opportunity. Moratorium ordinance and executive order on data centers noted in 2026 events but not resolved.
Where it stands. Active development phase (permits issued), but final approval pending. No timeline for completion provided.
For a planner
- Landmarks Commission approval secured
- Data center conversion underway
- Moratorium ordinance may impact final approval
For a developer
- Chilled AI holds approved entitlements
- No new market opportunity (already in play)
- Construction permits active but final approval pending
What we do not know yet
- Final approval timeline unknown
- Moratorium ordinance impact unknown
- No construction completion date provided
Generated by qwen3-30b-a3b-64k:latest on Dell 5820 RTX 3090 (Ollama, qwen3-30b-a3b) from the fields, parcels, deals and context layers on this page, with no outside knowledge. It is regenerated when the record changes and has not been checked by a person. How it is made.
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- Megamall, Chicago, IL · Malls · same strategy: redevelop; also in IL; 9 km away
- Deerfield Supportive Living, Deerfield, IL · Other · same strategy: redevelop; also in IL; 36 km away
Elsewhere on the web
Search images: Google · Bing · Commons · references: ULI case studies · Google Scholar
Multifamily screen
- already in play: under construction, approved, or sold to a developer with housing plans
Inputs: record fields (size, status) and county Census ACS 2018–2023 figures (growth, rent). How the points work. Not a recommendation.
History and original facts
| Opened | 1927newtypes-extraction |
|---|---|
| County | Cook County |
| Census division | 3 · East North Central |
| Notes | Draft from loopnorth.com, model-extracted, unreviewed: A 1927 historic Loop office building at 300 West Adams Street in Chicago is approved for adaptive reuse into a data center by developer Chilled AI. |
Not yet recorded: acres, GLA, original developer, retrofit year. Know it? Tell us.
Timeline
- 1927 Building opened
- 1927 Opened
- 2026 Permit Review Committee approved adaptive reuse
- 2026 Mayor and City Council introduced moratorium ordinance
- 2026 Executive order on data centers
- 2026 Interior demolition permits issued
- 2026 Awaiting final city approval
Sources
- Data center redevelopment at 300 West Adams approved
7 quoted sentences
300 West Adams Street
1927 terra cotta building
September 25, 2026 — A proposal to turn part of a historic Loop office building into a high-density data center has cleared a major hurdle
Mayor Brandon Johnson and City Council allies introduce a 12-month freeze on such facilities.
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