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. Herman Astono Tjahja has successfully completed following courses as part of qualifying and continuing education.
| Course Name (course number) | Course Provider | Course End Date | Hours |
|---|
| Texas Common Legal Issues in Real Estate (36029) | Champions School of Real Estate, LTD | 2020-01-24 | 4 |
| Legal Update II (2020-2021) (37797) | Champions School of Real Estate, LTD | 2020-01-23 | 4 |
| Legal Update I (2020-2021) (37796) | Champions School of Real Estate, LTD | 2020-01-23 | 4 |
| Broker Responsibility Course (2019-2020) (35367) | Champions School of Real Estate, LTD | 2020-01-23 | 6 |
| Principles of Real Estate I (121) | Lone Star College Tomball | 2017-08-10 | 30 |
| Promulgated Contract Forms (351) | Lone Star College Tomball | 2017-06-26 | 30 |
| Real Estate Brokerage (751) | Champions School of Real Estate, LTD | 2017-06-22 | 30 |
| Technology Update (29972) | Lone Star College Tomball | 2017-06-22 | 2 |
| Strategies for Career Excellence (30070) | Lone Star College Tomball | 2017-06-21 | 8 |
| Legal Update II (29623) | Lone Star College Tomball | 2017-06-21 | 4 |
| Legal Update I (29622) | Lone Star College Tomball | 2017-06-21 | 4 |
| Tax Free Exchanges (28302) | Austin Institute of Real Estate | 2015-06-08 | 3 |
| BASIC REAL ESTATE FINANCE (27528) | Austin Institute of Real Estate | 2015-05-30 | 6 |
| TREC Ethics MCE (26475) | Austin Institute of Real Estate | 2015-05-29 | 3 |
| TREC Legal Update MCE (26474) | Austin Institute of Real Estate | 2015-05-29 | 3 |
| BROKER RESPONSIBILITY COURSE (CCR) (24228) | St Edward's University Professional Education | 2013-07-18 | 6 |
| LAND ENVIRONMENTAL ISSUES (CCR) (24958) | St Edward's University Professional Education | 2013-07-17 | 3 |
| TREC Ethics MCE (23559) | St Edward's University Professional Education | 2013-07-17 | 3 |
| TREC Legal Update MCE (23558) | St Edward's University Professional Education | 2013-07-17 | 3 |
| REAL ESTATE MARKETING-HOW TO GET RICH IN REAL ESTATE AND HAVE A (18261) | TX STATE UNIVERSITY-SAN MARCOS | 2009-10-26 | 9 |
| TREC ETHICS MCE (E) (CORRESPONDENCE) (16502) | TX STATE UNIVERSITY-SAN MARCOS | 2009-10-23 | 3 |
| TREC LEGAL UPDATE MCE (L) (CORRESPONDENCE) (16501) | TX STATE UNIVERSITY-SAN MARCOS | 2009-10-23 | 3 |
| SCAMS & SCALAWAGS (15000) | Texas Tech University | 2007-11-01 | 9 |
| TEXAS LEGAL UPDATE (EL) (INCUDLES TREC LEGAL & ETHICS) (14202) | Texas Tech University | 2007-11-01 | 3 |
| TEXAS LEGAL UPDATE (EL) (INCUDLES TREC LEGAL & ETHICS) (14202) | Texas Tech University | 2007-11-01 | 3 |
| ALL ABOUT MORTGAGES (13709) | Texas Tech University | 2005-11-01 | 9 |
| ALL ABOUT MORTGAGES (13709) | Texas Tech University | 2005-11-01 | 3 |
| ALL ABOUT MORTGAGES (13709) | Texas Tech University | 2005-11-01 | 3 |
| REAL ESTATE INVESTMENTS I (911) | TEXAS TECH UNIVERSITY | 2004-08-27 | 30 |
| REAL ESTATE BROKERAGE II (712) | TEXAS TECH UNIVERSITY | 2004-08-26 | 30 |
| REAL ESTATE LAW I (311) | TEXAS TECH UNIVERSITY | 2004-08-26 | 30 |
| REAL ESTATE MARKETING I (511) | TEXAS TECH UNIVERSITY | 2004-08-24 | 30 |
| ABOR TEMPO: AN MLS DESIGNED FOR AUSTIN/CENTRAL TEXAS REALTORS (13203) | Austin Board of Realtors | 2004-01-19 | 2 |
| ALL RELATED (EXCEPT R.E.) (6100) | SCHOOLS FROM WHICH RELATED CREDIT IS ACCEPTED | 2003-11-06 | 540 |
| REAL ESTATE FINANCE I (411) | ABOUT SUCCESS RE ACADEMY | 2003-10-17 | 30 |
| REAL ESTATE BROKERAGE I (711) | ABOUT SUCCESS RE ACADEMY | 2002-10-17 | 30 |
| THE CODE OF ETHICS: YOUR PROMISE OF PROFESSIONALISM (12124) | Austin Board of Realtors | 2002-04-09 | 3 |
| ALL RELATED (EXCEPT R.E.) (6100) | SCHOOLS FROM WHICH RELATED CREDIT IS ACCEPTED | 2001-10-16 | 90 |
| LAW OF CONTRACTS (1200) | ABOUT SUCCESS RE ACADEMY | 2001-10-03 | 30 |
| LAW OF AGENCY (1111) | ABOUT SUCCESS RE ACADEMY | 2001-09-30 | 30 |
| Principles of Real Estate II (112) | ABOUT SUCCESS RE ACADEMY | 2001-09-23 | 30 |