About Us

Chicagoland's Premier Home Inspection Service

Need an Inspection? Call Us!

Need maintenance tips? Call Us!

Have a question about your home? Call Us!

Are you hiring a contractor and need a expert set of eyes to keep watch? Call us!

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With over 20 yrs of experience in the construction industry, Dan Therriault started HCS so that the customer would have a stronger voice at the table. As Principle Inspector, Dan monitors every detail of the process to ensure the highest quality. 

Contact Us

Dan Therriault

IL Lic# 450.011469

(630) 520-4237


Our Services

  • Home Inspections
  • Commercial Inspections
  • 4 Point Inspections
  • Radon Testing
  • Renovation Project Consulting
  • Construction Consulting
  • Property Maintenance Consulting
  • Home Maintenance Reviews


We work from the top down, from the outside in, through a methodical manner as to not miss a single detail.

We prefer to have the client walk with us throughout the entire inspection so that we can clearly relay our findings as well as answer any questions and alleviate any concerns that our client may have.


  • Roof
  • Exterior / Siding
  • Decks / Porches
  • Property / Grading
  • Interior Rooms
  • All Electrical Items
  • All Plumbing Items
  • HVAC Systems
  • Windows / Doors
  • Attic
  • Foundation / Crawlspace
  • Garage
  • Any other items the client may request
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