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. Dennis N Johnston 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 (2018-2019) (33198) | Champions School of Real Estate, LTD | 2019-12-10 | 4 |
| Legal Update I (2018-2019) (33197) | Champions School of Real Estate, LTD | 2019-12-10 | 4 |
| Commercial Real Estate (37438) | Champions School of Real Estate, LTD | 2019-12-09 | 10 |
| Insider's Guide to Commercial Real Estate (29946) | Lone Star College Tomball | 2017-10-29 | 10 |
| Legal Update I (29622) | Lone Star College Tomball | 2017-10-29 | 4 |
| Legal Update II (29623) | Lone Star College Tomball | 2017-10-27 | 4 |
| Prospering With Trends and Strategies (26965) | Lone Star College Tomball | 2015-10-28 | 9 |
| TREC Legal Update MCE (26448) | Lone Star College Tomball | 2015-10-28 | 3 |
| TREC Ethics MCE (26447) | Lone Star College Tomball | 2015-10-28 | 3 |
| TREC Ethics MCE (23562) | Commercial Institute, Inc. | 2013-10-27 | 3 |
| TREC Legal Update MCE (23561) | Commercial Institute, Inc. | 2013-10-26 | 3 |
| PROVEN MARKETING STRATEGIES TO GET MORE CLIENTS (25709) | Commercial Institute, Inc. | 2013-10-21 | 9 |
| INSIDER'S GUIDE TO COMMERCIAL REAL ESTATE (19414) | Lone Star College Tomball | 2011-10-27 | 9 |
| TREC ETHICS MCE (E) (CORRESPONDENCE) (18655) | Lone Star College Tomball | 2011-10-27 | 3 |
| TREC LEGAL UPDATE MCE (L) (CORRESPONDENCE) (18654) | Lone Star College Tomball | 2011-10-27 | 3 |
| 2011 Commercial Real Estate Forecast Competition (22698) | Houston/Gulf Coast CCIM Chapter | 2011-02-25 | 4 |
| COMMERCIAL REAL ESTATE COURSE(EL) INCLUDES TREC EL (18548) | Real Estate Center at Texas A&M University | 2009-10-02 | 9 |
| COMMERCIAL REAL ESTATE COURSE(EL) INCLUDES TREC EL (18548) | Real Estate Center at Texas A&M University | 2009-10-02 | 3 |
| COMMERCIAL REAL ESTATE COURSE(EL) INCLUDES TREC EL (18548) | Real Estate Center at Texas A&M University | 2009-10-02 | 3 |
| 2009 COMMERCIAL REAL ESTATE FORECAST COMPETITION (17670) | Houston/Gulf Coast CCIM Chapter | 2009-02-12 | 4 |
| 2008 COMMERCIAL REAL ESTATE FORECAST COMPETITION (16624) | Houston/Gulf Coast CCIM Chapter | 2008-02-22 | 4 |
| 2007 COMMERCIAL REAL ESTATE COURSE (EL) (INCLUDES TREC E&L) (16334) | Real Estate Center at Texas A&M University | 2007-10-26 | 9 |
| 2007 COMMERCIAL REAL ESTATE COURSE (EL) (INCLUDES TREC E&L) (16334) | Real Estate Center at Texas A&M University | 2007-10-26 | 3 |
| 2007 COMMERCIAL REAL ESTATE COURSE (EL) (INCLUDES TREC E&L) (16334) | Real Estate Center at Texas A&M University | 2007-10-26 | 3 |
| 2007 COMMERCIAL REAL ESTATE FORECAST COMPETITION (15554) | Houston/Gulf Coast CCIM Chapter | 2007-02-22 | 4 |
| TREC LEGAL UPDATE MCE (L) (INCLUDES TREC LEGAL) (14446) | Lone Star College Tomball | 2005-10-28 | 3 |
| TREC ETHICS MCE (E) (INCLUDES TREC ETHICS) (14445) | Lone Star College Tomball | 2005-10-28 | 3 |
| A LICENSEE'S GUIDE TO WORKING WITH SENIORS (14350) | Lone Star College Tomball | 2005-10-28 | 15 |
| COMMERCIAL REAL ESTATE COURSE (13225) | Real Estate Center at Texas A&M University | 2003-10-24 | 9 |
| COMMERCIAL REAL ESTATE COURSE (13225) | Real Estate Center at Texas A&M University | 2003-10-24 | 3 |
| COMMERCIAL REAL ESTATE COURSE (13225) | Real Estate Center at Texas A&M University | 2003-10-24 | 3 |
| THE COMMERCIAL REAL ESTATE COURSE (12167) | Real Estate Center at Texas A&M University | 2001-10-19 | 15 |
| REAL ESTATE MCE UPDATE (11155) | Champions School of Real Estate, LTD | 1999-10-23 | 3 |
| REAL ESTATE MCE UPDATE (11155) | Champions School of Real Estate, LTD | 1999-10-23 | 12 |
| FINANCE UPDATE/ENVIRONMENTAL ISSUES (10759) | Champions School of Real Estate, LTD | 1997-10-30 | 3 |
| FINANCE UPDATE/ENVIRONMENTAL ISSUES (10759) | Champions School of Real Estate, LTD | 1997-10-30 | 2 |
| LEGAL UPDATE (10758) | Champions School of Real Estate, LTD | 1997-10-30 | 8 |
| 1997 CCIM COMMERCIAL FORECAST COMPETITION (10889) | REAL ESTATE CAREER DEV INST | 1997-02-27 | 3 |
| DTPA & AGENCY (10499) | Champions School of Real Estate, LTD | 1995-10-27 | 3 |
| ENVIRONMENTAL LAW (10498) | Champions School of Real Estate, LTD | 1995-10-27 | 3 |
| LEGAL UPDATE (10497) | Champions School of Real Estate, LTD | 1995-10-27 | 3 |
| SUCCESSFUL USE OF COMMERCIAL CONTRACTS (10591) | REAL ESTATE CAREER DEV INST | 1995-10-04 | 3 |
| STATE BAR COURSE (18700) | | 1994-10-25 | 3 |
| RESIDENTIAL CONTRACTS/ADDENDA (10254) | SPENCER SCHOOL OF REAL ESTATE | 1993-10-10 | 4 |
| ENVIRONMENTAL LAW IN REAL ESTATE TRANSACTIONS (10149) | SPENCER SCHOOL OF REAL ESTATE | 1993-10-10 | 3 |
| TRELA, DTPA AND AGENCY (10246) | SPENCER SCHOOL OF REAL ESTATE | 1993-10-09 | 8 |