Real estate license needs to be renewed every 2 years. Sales Agents and Brokers need to complete atleast 18 hours of Continuing Education to become eligible for renewal. Duncan Gilbert Campbell has successfully completed following courses as part of qualifying and continuing education.
| Course Name (course number) | Course Provider | Course End Date | Hours |
|---|
| Legal Update II (29623) | MCE CONNECTION | 2017-02-03 | 4 |
| Legal Update I (29622) | MCE CONNECTION | 2017-02-03 | 4 |
| Broker Responsibility Course (31450) | MCE CONNECTION | 2017-02-02 | 6 |
| Texas Real Estate Marketing and Legal Conference (29938) | MCE CONNECTION | 2017-02-02 | 10 |
| Texas Real Estate Marketing and Legal Conference (26459) | MCE CONNECTION | 2015-01-31 | 9 |
| Texas Real Estate Marketing and Legal Conference (26459) | MCE CONNECTION | 2015-01-31 | 3 |
| TREC Legal Update MCE (26392) | MCE CONNECTION | 2015-01-31 | 3 |
| Broker Responsibility Course (27765) | MCE CONNECTION | 2015-01-29 | 6 |
| TREC Legal Update MCE (26392) | MCE CONNECTION | 2015-01-29 | 3 |
| BROKER RESPONSIBILITY COURSE (24214) | Texas Real Estate Educational Systems | 2013-02-02 | 6 |
| TEXAS REAL ESTATE MARKETING AND LEGAL CONFERENCE (23658) | MCE CONNECTION | 2013-02-02 | 9 |
| TEXAS REAL ESTATE MARKETING AND LEGAL CONFERENCE (23658) | MCE CONNECTION | 2013-02-02 | 3 |
| TEXAS REAL ESTATE MARKETING AND LEGAL CONFERENCE (INCLUDES TREC (18610) | MCE CONNECTION | 2011-01-29 | 9 |
| TEXAS REAL ESTATE MARKETING AND LEGAL CONFERENCE (INCLUDES TREC (18610) | MCE CONNECTION | 2011-01-29 | 3 |
| TREC LEGAL UPDATE & ETHICS PLUS REAL ESTATE MARKETING (L/E) (16518) | MCE CONNECTION | 2009-02-07 | 9 |
| TREC LEGAL UPDATE & ETHICS PLUS REAL ESTATE MARKETING (L/E) (16518) | MCE CONNECTION | 2009-02-07 | 3 |
| TREC LEGAL UPDATE MCE (L) (13837) | San Antonio Board of Realtors | 2006-07-20 | 3 |
| TREC ETHICS MCE (E) (13836) | San Antonio Board of Realtors | 2006-07-20 | 3 |
| PRINCIPLES OF REAL ESTATE II (112) | San Antonio Board of Realtors | 2006-06-18 | 30 |
| PRINCIPLES OF REAL ESTATE I (111) | San Antonio Board of Realtors | 2006-06-11 | 30 |
| LAW OF CONTRACTS (1200) | San Antonio Board of Realtors | 2006-06-04 | 30 |
| BUILDING AN EXCEPTIONAL CUSTOMER SERVICE REFERRAL BUSINESS CRS 2 (13048) | LONE STAR CRS CHAPTER | 2005-06-24 | 9 |
| BUILDING AN EXCEPTIONAL CUSTOMER SERVICE REFERRAL BUSINESS CRS 2 (13048) | LONE STAR CRS CHAPTER | 2005-06-24 | 3 |
| ALL RELATED (EXCEPT R.E.) (6100) | SCHOOLS FROM WHICH RELATED CREDIT IS ACCEPTED | 2005-04-25 | 540 |
| ADVANCED REAL ESTATE FINANCE CONCEPTS AND MYTHS (13570) | San Antonio Board of Realtors | 2005-04-05 | 4 |
| PROFESSIONAL STANDARDS (12800) | San Antonio Board of Realtors | 2004-11-11 | 3 |
| CRS 204: CREATING WEALTH THROUGH RESIDENTIAL REAL ESTATE INVESTM (12166) | LONE STAR CRS CHAPTER | 2003-06-27 | 15 |
| CONTRACTS PLUS UPDATE (12358) | San Antonio Board of Realtors | 2003-03-14 | 7 |
| TECHNOLOGIES TO ADVANCE YOUR BUSINESS/CRS 206 (12181) | LONE STAR CRS CHAPTER | 2003-02-28 | 15 |
| BUSINESS PLANNING AND MARKETING FOR THE RESIDENTIAL SPECIALIST/C (12630) | LONE STAR CRS CHAPTER | 2002-10-25 | 15 |
| PRINCIPLES OF REAL ESTATE II (112) | San Antonio Board of Realtors | 2002-05-09 | 30 |
| STATE BAR COURSE (18700) | | 2001-12-19 | 2 |
| REAL ESTATE MARKETING I (511) | San Antonio Board of Realtors | 2000-12-07 | 30 |
| REAL ESTATE APPRAISAL I (211) | ALAMO INSTITUTE | 2000-02-24 | 30 |
| LAW OF CONTRACTS (1200) | San Antonio Board of Realtors | 1999-04-30 | 30 |
| LAW OF AGENCY (1111) | San Antonio Board of Realtors | 1999-04-30 | 30 |
| PRINCIPLES OF REAL ESTATE I (111) | San Antonio Board of Realtors | 1999-04-30 | 30 |
| ALL RELATED (EXCEPT R.E.) (6100) | SCHOOLS FROM WHICH RELATED CREDIT IS ACCEPTED | 1999-04-21 | 90 |