Mold: What You Need to Know About Mold and How to Read Air Sampling Reports
Presented By:
William Frost
February 12, 2026
5:30 PM Central Time
Saint Charles Realtors
110 Point West Blvd
St. Charles, MO 63301
3.00 Real Estate Continuing Education Credit Hours
Approved State(s): MO, IL
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The presence of mold can derail the home buying process. Participants of this course will learn common causes of mold and how they can be addressed in order to diminish the impact of mold when buying and selling a property.

Course Details
Learning Objectives

By the end of this course, participants will be able to:

  • Define mold and explain its common causes
  • Describe health effects of mold
  • Provide answers to buyers’ commonly asked questions regarding mold
  • Describe the impact of mold on the real estate transaction
About The Instructor
William Frost grew up in Illinois and after proudly serving in the US Navy as an electronics technician he returned to the Saint Louis area where he obtained his Bachelors and Masters degrees. He now resides on the Missouri side of the river in Olivette, Missouri.
Will is an active member in the community including three Realtor Board Associations, American Society of Home Inspectors (ASHI), International Association of Certified Home Inspectors (InterNACHI). He works in Missouri and Illinois and holds numerous licenses and certifications for home inspections, radon measurements, sewer lateral line scopes, and other testing services in Missouri and Illinois.
ASHI Certified Inspector 248064 (ACI).
Certified Master Inspector (CPI) (CMI) through InterNACHI.
Illinois Home Inspector License 450011974.
Licensed Radon Measurement Professional RNI2018227 and member of the Midwest American Association of Radon Scientists and Technologists. ​
Illinois Real Estate Continuing Education Instructor License 563.002377.
FAA Remote Pilot Certificate SUAS #4132724.
Carson Dunlop Weldon Commercial Building Inspection Certificate for Property Condition Assessments (PCA),
Certified Commercial Property Inspectors Association (CCPIA).
He has a passion for continuous education for himself as well as helping others grow.
Education Credits
Real Estate Continuing Education (Missouri) 
3.00 Real Estate Continuing Education Credit Hours
Price: FREE (No Fee)

Having fully met the requirements of the Missouri Real Estate Commission, the following course has been approved for 3 continuing education credit hours. School ID #26700. Course Approval: #2670017095.
Real Estate Continuing Education (Illinois) 
3.00 Real Estate Continuing Education Credit Hours
Price: FREE (No Fee)

Having fully met the requirements of the Illinois Department of Financial and Professional Regulation: Division of Real Estate, the following course approval has been granted. Provider License Number: 515.000054 Course Name: What You Need to Know About Mold and How to Read Air Sampling Reports. Course License Number: 564.003304 Approved Hours: 3.
Contact Us
Education Provider

Preferred Systems, Inc.
1001 State Street, Suite 1400
Erie, PA 16501
Phone: 888.455.7437
info@preferrededucation.com
www.preferrededucation.com
Instructor

William Frost
License Number:  563.002377
Phone: 314.620.6822
william.frost@evergreenpropertyinspectors.com
REGISTER NOW