BBB Accredited Business Profile

Koh Exterior, Inc.

Koh Exterior, Inc.

(847) 470-1351

Koh Exterior, Inc.

8 years in business
9253 Nagle Ave
Morton Grove, IL 60053
BBB File Opened: 10/25/1999
Business Started: 11/10/2009
Business Started Locally: 11/10/2009
Business Incorporated: 11/10/2009 in IL
Type of Entity
Business Management
  • Mr. Michael Koh, President
Business Category
  • Window Installation
  • General Contractor
  • Stained Glass
  • Gutters
  • Siding Contractors
  • NAICS: Finish Carpentry Contractors
  • Door Frame
  • Doors
  • Patio Doors
  • Beveled Glass
  • Glass Block
  • Windows

Service Area
We service the following area(s): City of Chicago - North Side, North Suburbs (Lake & Northern Cook)
BBB accredited business



An exterior design company, specializes in creating and installing windows and doors, for businesses and residents. This company works primarily with glass and doors, including storefront and curtain walls, entrance systems, aluminum windows, sliding doors, glass partition walls (with privacy smoky glass panels, or clear glass for better insulation of a storefront), glass shower walls, frameless glass doors, awnings, casements, patio doors, and glass blocks. They build architectural entrance systems that can include full paneled glass windows with a built-in door, or more traditional wooden doorframes with a glass door.  All Koh Exterior windows are energy-efficient double-paned aluminum or vinyl windows, with argon gas between the panes to regulate temperature.

BBB Reason for Ratings

BBB rating is based on 13 factors: Get the details about the factors considered.

M: 7:00 AM-4:00 PM
T: 7:00 AM-4:00 PM
W: 7:00 AM-4:00 PM
Th: 7:00 AM-4:00 PM
F: 7:00 AM-4:00 PM
S: Closed
Su: Closed
H: Closed

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Koh Exterior, Inc.

Koh Exterior, Inc.


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