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. David Howard Diesslin 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 (2020-2021) (37797) | Kaplan Real Estate Education | 2020-03-08 | 4 |
| Legal Update I (2020-2021) (37796) | Kaplan Real Estate Education | 2020-03-08 | 4 |
| iBuyers and the Future of Real Estate (38135) | Kaplan Real Estate Education | 2020-03-07 | 4 |
| Broker Responsibility Course (2019-2020) (35367) | Kaplan Real Estate Education | 2020-03-07 | 6 |
| Legal Update II (2018-2019) (33198) | Brightwood College | 2018-05-04 | 4 |
| Legal Update I (2018-2019) (33197) | Brightwood College | 2018-05-04 | 4 |
| Millennials: Challenging the Traditional Real Estate Model (32077) | Brightwood College | 2018-04-19 | 4 |
| Broker Responsibility Course (31450) | Brightwood College | 2018-04-19 | 6 |
| Legal Update II (29623) | Kaplan Real Estate Education | 2016-08-12 | 4 |
| Legal Update I (29622) | Kaplan Real Estate Education | 2016-08-12 | 4 |
| The Twenty Most Cost-Effective Home Improvements 2nd Edition (30709) | Kaplan Real Estate Education | 2016-08-11 | 4 |
| Broker Responsibility Course (27765) | Kaplan Real Estate Education | 2016-08-11 | 6 |
| Hottest of the New Tech (26967) | Champions School of Real Estate, LTD | 2014-07-21 | 3 |
| TREC Ethics MCE (26393) | Champions School of Real Estate, LTD | 2014-07-21 | 3 |
| TREC Legal Update MCE (26392) | Champions School of Real Estate, LTD | 2014-07-21 | 3 |
| BROKER RESPONSIBILITY COURSE (24214) | Champions School of Real Estate, LTD | 2014-07-18 | 6 |
| TREC Ethics MCE (23556) | Kaplan Real Estate Education | 2012-08-26 | 3 |
| TREC Legal Update MCE (23555) | Kaplan Real Estate Education | 2012-08-26 | 3 |
| TO FALL AND RISE AGAIN: LIFE AFTER FINANCIAL CRISIS (23758) | Kaplan Real Estate Education | 2012-08-25 | 6 |
| PROFILE OF A SUPER AGENT (22976) | Kaplan Real Estate Education | 2012-08-25 | 3 |
| TREC LEGAL UPDATE AND ETHICS MCE (EL) (INCLUDES TREC L & E) (16503) | Kaplan University | 2008-09-10 | 3 |
| TREC LEGAL UPDATE AND ETHICS MCE (EL) (INCLUDES TREC L & E) (16503) | Kaplan University | 2008-09-10 | 3 |
| HOT MCE TOPICS (CORRESPONDENCE) (16426) | Kaplan University | 2008-09-09 | 9 |
| MEDIATION AND PROPERTY CONDITION ISSUES (13616) | CONTINUING EDUCATION INSTITUTE | 2006-07-26 | 8 |
| TREC LEGAL UPDATE MCE PLUS (L) (INCLUDES TREC L) (13871) | CONTINUING EDUCATION INSTITUTE | 2006-07-25 | 3 |
| TREC LEGAL UPDATE MCE PLUS (L) (INCLUDES TREC L) (13871) | CONTINUING EDUCATION INSTITUTE | 2006-07-25 | 1 |
| TREC ETHICS MCE PLUS (E) (INCLUDES TREC E) (13870) | CONTINUING EDUCATION INSTITUTE | 2006-07-25 | 3 |
| TREC ETHICS MCE PLUS (E) (INCLUDES TREC E) (13870) | CONTINUING EDUCATION INSTITUTE | 2006-07-25 | 1 |
| DECEPTIVE TRADE PRACTICES ACT - UPDATE (13721) | CONTINUING EDUCATION INSTITUTE | 2004-11-13 | 8 |
| COMMERCIAL INVESTMENT REAL ESTATE ISSUES (13617) | CONTINUING EDUCATION INSTITUTE | 2004-11-10 | 8 |
| MORTGAGE BROKERAGE: THE LAW AND THE PROFITS (12355) | CONTINUING EDUCATION INSTITUTE | 2002-08-21 | 8 |
| MORTGAGE BROKERAGE: THE LAW AND THE PROFITS (12355) | CONTINUING EDUCATION INSTITUTE | 2002-08-21 | 7 |
| RISK REDUCTION WORKSHOPS (11770) | TRAINING, EDUC & MRKT SERV, INC | 2000-08-16 | 3 |
| RISK REDUCTION WORKSHOPS (11770) | TRAINING, EDUC & MRKT SERV, INC | 2000-08-16 | 3 |
| RISK REDUCTION WORKSHOPS (11770) | TRAINING, EDUC & MRKT SERV, INC | 2000-08-16 | 1 |
| CONTEMPORARY ISSUES OF TX REAL ESTATE (11728) | TRAINING, EDUC & MRKT SERV, INC | 2000-08-15 | 8 |
| MCE: LEGAL TOPICS & LICENSE UPDATE (11193) | Purvis Real Estate Training Institute | 1998-07-26 | 15 |
| R.E. MCE UPDATE (10747) | TRAINING, EDUC & MRKT SERV, INC | 1996-09-20 | 3 |
| R.E. MCE UPDATE (10747) | TRAINING, EDUC & MRKT SERV, INC | 1996-09-20 | 12 |
| REAL ESTATE MCE UPDATE (10407) | MetroTex Association of Realtors, Inc. | 1994-08-21 | 3 |
| REAL ESTATE MCE UPDATE (10407) | MetroTex Association of Realtors, Inc. | 1994-08-21 | 12 |
| MCE COMPLETE LEGAL UPDATE (10009) | GEO LEONARD SCH OF REAL ESTATE | 1992-08-23 | 8 |
| MCE COMPLETE LEGAL UPDATE (10009) | GEO LEONARD SCH OF REAL ESTATE | 1992-08-23 | 7 |