MCKENZIE, DOUGLAS RYAN
Alternate Names: "MCKENZIE, DOUGLAS", "MCKENZIE, DOUG"
Professional Inspector, License #21442
License Status
Active
Expiration Date
05/31/2027
County
COLLIN
DBA
"343 HOME INSPECTIONS"
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 |
|---|---|---|---|---|---|
| 04/20/25 | 49414 | How To Inspect For Moisture Intrusion | Building Enclosures | InterNACHI | 8 |
| 04/19/25 | 49415 | How To Inspect HVAC Systems | HVAC | InterNACHI | 12 |
| 04/14/25 | 49664 | How to Perform Residential Electrical Inspections | Electrical | InterNACHI | 4 |
| 04/08/25 | 46863 | Inspector Legal & Ethics and SOP Review (9/1/23-8/31/25) | Insp L&E SOP Review | InterNACHI | 8 |
| 04/12/23 | 42063 | How to Inspect Lawn Irrigation System | Optional Systems | InterNACHI | 2 |
| 04/12/23 | 43317 | How to Inspect Pools and Spas | Optional Systems | InterNACHI | 8 |
| 04/12/23 | 43321 | Safe Practices for the Home Inspector | Other Approved Courses | InterNACHI | 4 |
| 03/18/23 | 43319 | How to Inspect Septic Systems | Optional Systems | InterNACHI | 10 |
| 03/18/23 | 41541 | Inspector Legal & Ethics and SOP Review (9/1/21 - 8/31/23) | Insp L&E SOP Review | InterNACHI | 8 |
| 05/11/21 | 37033 | Standards of Practice Review (9/1/2019 - 8/31/2021) | SoP Review | InterNACHI | 4 |
| 05/11/21 | 37032 | Inspector Legal & Ethics (9/1/2019 - 8/31/2021) | Inspector Legal & Ethics | InterNACHI | 4 |
| 05/11/21 | 40883 | Exterior Safety for Inspectors and Contractors | Other Approved Courses | InterNACHI | 2 |
| 04/14/21 | 39493 | How to Inspect Septic Systems Course | Plumbing | InterNACHI | 10 |
| 04/14/21 | 39506 | How to Inspect Pools and Spas Course | Optional Systems | InterNACHI | 8 |
| 04/14/21 | 39528 | Safe Practices for the Home Inspector Course | Other Approved Courses | InterNACHI | 4 |
| 05/31/19 | 32805 | Standards of Practice Review | SoP Review | InterNACHI | 4 |
| 05/31/19 | 32804 | Inspector Legal & Ethics | Inspector Legal & Ethics | InterNACHI | 4 |
| 05/22/19 | 36270 | Exterior Safety for Inspectors and Contractors Course | Other Approved Courses | InterNACHI | 2 |
| 05/22/19 | 34939 | How to Inspect Pools and Spas Course | Optional Systems | InterNACHI | 8 |
| 05/22/19 | 34931 | How to Inspect Septic Systems Course | Plumbing | InterNACHI | 10 |
| 05/06/19 | 36272 | Structural Issues for Home Inspectors Course | ICE Elective | InterNACHI | 4 |
| 05/23/17 | 31300 | How to Inspect Septic Systems | ICE Elective | InterNACHI | 10 |
| 05/19/17 | 32396 | Exterior Safety for Inspectors and Contractors Course | ICE Elective | InterNACHI | 2 |
| 05/17/17 | 31289 | Safe Practices for the Home Inspector | ICE Elective | InterNACHI | 4 |
| 05/01/17 | 27741 | Texas Standards of Practice/Legal/Ethics Update | INSI Standards & Practices | InterNACHI - International Association of Certified Home Inspect | 4 |
| 05/01/17 | 27741 | Texas Standards of Practice/Legal/Ethics Update | INSI Legal | InterNACHI - International Association of Certified Home Inspect | 2 |
| 05/01/17 | 27741 | Texas Standards of Practice/Legal/Ethics Update | INSI Ethics | InterNACHI - International Association of Certified Home Inspect | 2 |
| 04/21/17 | 31298 | How To Inspect Pools & Spas | ICE Elective | InterNACHI | 8 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | Framing | UTA CONTINUING ED DIVISION | 15 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | Roofing Systems | UTA CONTINUING ED DIVISION | 15 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | ICE Elective | UTA CONTINUING ED DIVISION | 20 |
| 02/18/15 | 23492 | Texas Home Inspection Professional Course (eff 9-1-11) 320 hrs | Roofing Systems | UTA CONTINUING ED DIVISION | 40 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | ICE Elective | UTA CONTINUING ED DIVISION | 24 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | INSI Standards & Practices | UTA CONTINUING ED DIVISION | 6 |
| 02/18/15 | 23492 | Texas Home Inspection Professional Course (eff 9-1-11) 320 hrs | Framing | UTA CONTINUING ED DIVISION | 45 |
| 02/18/15 | 23492 | Texas Home Inspection Professional Course (eff 9-1-11) 320 hrs | Building Enclosures | UTA CONTINUING ED DIVISION | 20 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | ICE Elective | UTA CONTINUING ED DIVISION | 9 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | Building Enclosures | UTA CONTINUING ED DIVISION | 20 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | ICE Elective | UTA CONTINUING ED DIVISION | 4 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | ICE Elective | UTA CONTINUING ED DIVISION | 4 |
| 02/18/15 | 23492 | Texas Home Inspection Professional Course (eff 9-1-11) 320 hrs | ICE Elective | UTA CONTINUING ED DIVISION | 40 |
| 02/18/15 | 23492 | Texas Home Inspection Professional Course (eff 9-1-11) 320 hrs | ICE Elective | UTA CONTINUING ED DIVISION | 10 |
| 02/18/15 | 23564 | TEXAS LEGAL/ETHICS (CORE) | ICE Elective | UTA CONTINUING ED DIVISION | 8 |
| 02/18/15 | 23492 | Texas Home Inspection Professional Course (eff 9-1-11) 320 hrs | Plumbing | UTA CONTINUING ED DIVISION | 40 |
| 02/18/15 | 23492 | Texas Home Inspection Professional Course (eff 9-1-11) 320 hrs | Plumbing | UTA CONTINUING ED DIVISION | 40 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | Plumbing | UTA CONTINUING ED DIVISION | 20 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | Plumbing | UTA CONTINUING ED DIVISION | 15 |
| 02/18/15 | 23492 | Texas Home Inspection Professional Course (eff 9-1-11) 320 hrs | ICE Elective | UTA CONTINUING ED DIVISION | 15 |
| 02/18/15 | 23492 | Texas Home Inspection Professional Course (eff 9-1-11) 320 hrs | ICE Elective | UTA CONTINUING ED DIVISION | 15 |
| 02/18/15 | 23492 | Texas Home Inspection Professional Course (eff 9-1-11) 320 hrs | Appliances | UTA CONTINUING ED DIVISION | 10 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | Appliances | UTA CONTINUING ED DIVISION | 10 |
| 02/18/15 | 23492 | Texas Home Inspection Professional Course (eff 9-1-11) 320 hrs | Foundation | UTA CONTINUING ED DIVISION | 45 |
| 02/18/15 | 23491 | Texas Home Inspection Essentials (eff 9-1-11) 139 hrs | Foundation | UTA CONTINUING ED DIVISION | 15 |
| 02/10/15 | 27191 | 8 Hour Texas Standards of Practice/Legal/Ethics Update | INSI Legal | UTA CONTINUING ED DIVISION | 2 |
| 02/10/15 | 27191 | 8 Hour Texas Standards of Practice/Legal/Ethics Update | INSI Standards & Practices | UTA CONTINUING ED DIVISION | 4 |
| 02/10/15 | 27191 | 8 Hour Texas Standards of Practice/Legal/Ethics Update | INSI Ethics | UTA CONTINUING ED DIVISION | 2 |
