COOMBER, DION MERILL
Professional Inspector, License #22287
License Status
Active
Expiration Date
12/31/2026
County
COLLIN
DBA
"CORNERSTONE PROPERTY INSPECTION"
This license holder may be subject to Continuing Education (CE) Requirements, which require completion of 32 hours of CE courses per license period, including 4 hours of Standards of Practice Review and 4 hours of Inspector Legal & Ethics. An inspector is not eligible to receive more than 16 hours CE credit for any one single subject. See TREC Rule §535.218.
Inspector Education History
| Course Date | Course Number | Course Name | Subject | Provider Name | Hours |
|---|---|---|---|---|---|
| 01/14/25 | 47660 | Inspection of Fireplaces and Stairs | Other Approved Courses | InterNACHI | 2 |
| 12/13/24 | 47486 | How to Inspect Lawn Irrigation Systems | Optional Systems | InterNACHI | 2 |
| 12/12/24 | 49439 | Safe Practices For The Home Inspector | Other Approved Courses | InterNACHI | 4 |
| 12/09/24 | 49414 | How To Inspect For Moisture Intrusion | Building Enclosures | InterNACHI | 8 |
| 11/12/24 | 46863 | Inspector Legal & Ethics and SOP Review (9/1/23-8/31/25) | Insp L&E SOP Review | InterNACHI | 8 |
| 08/03/24 | 45551 | Why Homes Leak and What to Look for During an Inspection | Framing | InterNACHI | 4 |
| 08/03/24 | 45191 | Inspectors Liability Concerns | TX RF/RW | InterNACHI | 4 |
| 04/13/23 | 41666 | Plumbing Systems | Plumbing | ATREI - Association of Texas Real Estate Inspectors | 2 |
| 12/08/22 | 41541 | Inspector Legal & Ethics and SOP Review (9/1/21 - 8/31/23) | Insp L&E SOP Review | InterNACHI | 8 |
| 11/03/22 | 40881 | How to Inspect Fireplaces, Stoves and Chimneys | TX SoP | InterNACHI | 4 |
| 10/18/22 | 40886 | Structural issues for Inspectors and Contractors | TX SoP | InterNACHI | 4 |
| 08/30/22 | 43559 | How to Perform Residential Electrical Inspections | Electrical | InterNACHI | 4 |
| 08/13/22 | 43551 | IRC Framing Inspections | Framing | InterNACHI | 8 |
| 06/14/22 | 40045 | Branch Circuit Inspections | Electrical | ATREI - Association of Texas Real Estate Inspectors | 2 |
| 11/11/21 | 41679 | Client Relations | Other Approved Courses | ATREI - Association of Texas Real Estate Inspectors | 2 |
| 12/18/20 | 37926 | Inspecting Commercial Electrical Systems | Electrical | InterNACHI | 6 |
| 12/04/20 | 39554 | How to Inspect the Attic, Insulation, Ventilation & Interior | Other Approved Courses | InterNACHI | 14 |
| 12/01/20 | 37033 | Standards of Practice Review (9/1/2019 - 8/31/2021) | SoP Review | InterNACHI | 4 |
| 11/20/20 | 37032 | Inspector Legal & Ethics (9/1/2019 - 8/31/2021) | Inspector Legal & Ethics | InterNACHI | 4 |
| 11/12/19 | 37258 | Client Relations | ICE Elective | ATREI - Association of Texas Real Estate Inspectors | 2 |
| 11/02/19 | 37713 | Phase 2 Pre-Brick & Pre-Insulation Inspections for New Construct | Other Approved Courses | ATREI - Association of Texas Real Estate Inspectors | 3 |
| 11/02/19 | 37711 | New Construction Phase Inspections | Other Approved Courses | ATREI - Association of Texas Real Estate Inspectors | 2 |
| 11/02/19 | 37712 | Phase 1 Pre-Pour Inspections for New Construction | Foundation | ATREI - Association of Texas Real Estate Inspectors | 3 |
| 10/16/18 | 34928 | How to Inspect HVAC Systems Course | ICE Elective | InterNACHI | 12 |
| 10/01/18 | 34944 | Residential Plumbing Overview for Inspectors Course | ICE Elective | InterNACHI | 8 |
| 09/21/18 | 32805 | Standards of Practice Review | SOP Review | Texas Association of Real Estate Inspectors | 4 |
| 09/21/18 | 32804 | Inspector Legal & Ethics | Inspector Legal & Ethics | Texas Association of Real Estate Inspectors | 4 |
| 02/28/17 | 34939 | How to Inspect Pools and Spas Course | ICE Elective | InterNACHI | 8 |
| 09/25/16 | 26571 | 6 Hour Appliances IC | ICE Elective | Lone Star College Tomball | 6 |
| 09/25/16 | 26570 | 6 Hours EPA-CPSC | ICE Elective | Lone Star College Tomball | 6 |
| 09/25/16 | 26726 | 8 Hour Texas Standards of Practice Report Writing | ICE Elective | Lone Star College Tomball | 8 |
| 09/25/16 | 26706 | 24 Hour Electrical Systems | ICE Elective | Lone Star College Tomball | 24 |
| 09/25/16 | 26679 | 8 Hour Texas Standards of Practice/Legal/Ethics Update | INSI Ethics | Lone Star College Tomball | 2 |
| 09/25/16 | 26722 | 24 Hour Roof Systems | Roofing Systems | Lone Star College Tomball | 24 |
| 09/25/16 | 26573 | 30 hour Framing IC | Framing | Lone Star College Tomball | 30 |
| 09/25/16 | 26677 | 24 Hour Building Enclosures | Building Enclosures | Lone Star College Tomball | 24 |
| 09/25/16 | 26679 | 8 Hour Texas Standards of Practice/Legal/Ethics Update | INSI Legal | Lone Star College Tomball | 2 |
| 09/25/16 | 26572 | 30 hour Foundations IC | Foundation | Lone Star College Tomball | 30 |
| 09/25/16 | 26707 | 24 Hour Heating, Ventilation and Air Conditioning | HVAC | Lone Star College Tomball | 24 |
| 09/25/16 | 26679 | 8 Hour Texas Standards of Practice/Legal/Ethics Update | INSI Standards & Practices | Lone Star College Tomball | 4 |
| 09/25/16 | 26708 | 16 Hour Plumbing | Plumbing | Lone Star College Tomball | 16 |
| 09/21/16 | 28414 | 24 Hour Experience Training Module | ICE Elective | Legends Real Estate School, LLC | 24 |
| 09/12/16 | 26726 | 8 Hour Texas Standards of Practice Report Writing | ICE Elective | Lone Star College Tomball | 8 |
| 09/12/16 | 29830 | Electrical | ICE Elective | Lone Star College Tomball | 8 |
| 09/12/16 | 26679 | 8 Hour Texas Standards of Practice/Legal/Ethics Update | INSI Ethics | Lone Star College Tomball | 2 |
| 09/12/16 | 26679 | 8 Hour Texas Standards of Practice/Legal/Ethics Update | INSI Legal | Lone Star College Tomball | 2 |
| 09/12/16 | 26679 | 8 Hour Texas Standards of Practice/Legal/Ethics Update | INSI Standards & Practices | Lone Star College Tomball | 4 |
| 09/12/16 | 29831 | Heating, Ventilation, and Air Conditioning Systems | HVAC | Lone Star College Tomball | 4 |
| 09/12/16 | 29832 | Plumbing Systems | Plumbing | Lone Star College Tomball | 4 |
| 09/12/16 | 29828 | Building Enclosures | Building Enclosures | Lone Star College Tomball | 8 |
| 09/10/16 | 29826 | Foundations | INSI Legal | Lone Star College Tomball | 10 |
| 09/10/16 | 29830 | Electrical | ICE Elective | Lone Star College Tomball | 10 |
| 09/10/16 | 29829 | Roof Systems | Roofing Systems | Lone Star College Tomball | 10 |
| 09/10/16 | 29827 | Framing | Framing | Lone Star College Tomball | 8 |
| 09/10/16 | 29828 | Building Enclosures | Building Enclosures | Lone Star College Tomball | 10 |
| 09/10/16 | 29831 | Heating, Ventilation, and Air Conditioning Systems | HVAC | Lone Star College Tomball | 10 |
| 09/10/16 | 29832 | Plumbing Systems | Plumbing | Lone Star College Tomball | 8 |
| 09/10/16 | 26700 | 4 Hour Texas Standards of Practice General Provisions | ICE Elective | Lone Star College Tomball | 4 |
| 09/10/16 | 29863 | Standard Report Form/Report Writing | ICE Elective | Lone Star College Tomball | 4 |
| 09/10/16 | 30045 | Texas Legal/Ethics | ICE Elective | Lone Star College Tomball | 8 |
| 09/10/16 | 29833 | Appliances | Appliances | Lone Star College Tomball | 8 |
