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Executive Summary

CBRE’s National Behavioral Health Advisory Group is pleased to provide the exclusive offering of Timberline Knolls in Lemont, IL. This picturesque property sits on a 43-acre wooded campus and is located just West of Chicago. Timberline Knolls was formally utilized as multi-specialty residential treatment facility offering services including mental health, SUD and Eating Disorders. Boasting 192 beds, this serene and private environment is ideally suited for operators across all behavioral health services lines that are looking to provide patience with a serene and private experience. The property is close to light-rail, major roads and a plethora of amenities making it accessible for both patients and employees.
This facility is being offered vacant for sale or lease and being marked for all inpatient mental health services. The property is being marketed without a defined asking price or rent. Please contact CBRE’s National Behavioral Health Advisory Group directly with any questions.

Property Facts

Sale Type Investment or Owner User
Property Type Health Care
Property Subtype
Rehabilitation Center
  • Healthcare Assisted Living
  • Healthcare Hospital
  • Healthcare Skilled Nursing Facility
Building Class B
Lot Size 32.11 AC
Building Size 141,332 SF
No. Beds 192
No. Stories 2
Year Built 1918
Parking Ratio 1.52/1,000 SF
Somewhat walkable
30/100
Exceptionally drivable
100/100
Some public transit
50/100
Moderately bikeable
60/100

Property Taxes

Property Taxes

Parcel Number
22-30-204-005-0000
Land Assessment
$1,433,507
Improvements Assessment
$1,460,375
Total Assessment
$2,893,882
  • Listing ID: 40132700

  • Date on Market: 4/13/2026

  • Last Updated:

  • Address: 40 Timberline Dr, Lemont, IL 60439

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