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. Keith L Buvinghausen has successfully completed following courses as part of qualifying and continuing education. 
| Course Name (course number) | Course Provider | Course End Date | Hours | 
|---|
| Strategies For Career Excellence (33534) | Champions School of Real Estate, LTD | 2018-09-11 | 8 | 
| Technology Update (33533) | Champions School of Real Estate, LTD | 2018-09-10 | 2 | 
| Legal Update II (2018-2019) (33198) | Champions School of Real Estate, LTD | 2018-09-10 | 4 | 
| Legal Update I (2018-2019) (33197) | Champions School of Real Estate, LTD | 2018-09-10 | 4 | 
| Strategies for Career Excellence (29975) | Champions School of Real Estate, LTD | 2016-09-13 | 8 | 
| Technology Update (29978) | Champions School of Real Estate, LTD | 2016-09-12 | 2 | 
| Legal Update II (29623) | Champions School of Real Estate, LTD | 2016-09-12 | 4 | 
| Legal Update I (29622) | Champions School of Real Estate, LTD | 2016-09-12 | 4 | 
| Prospering In The Hot Texas Market (26446) | Champions School of Real Estate, LTD | 2014-09-26 | 9 | 
| TREC Ethics MCE (26393) | Champions School of Real Estate, LTD | 2014-09-25 | 3 | 
| TREC Legal Update MCE (26392) | Champions School of Real Estate, LTD | 2014-09-25 | 3 | 
| TREC Ethics MCE (23556) | Kaplan Real Estate Education | 2012-10-28 | 3 | 
| TREC Legal Update MCE (23555) | Kaplan Real Estate Education | 2012-10-28 | 3 | 
| BROKER RESPONSIBILITY COURSE (24214) | Kaplan Real Estate Education | 2012-10-27 | 6 | 
| PROFILE OF A SUPER AGENT (22976) | Kaplan Real Estate Education | 2012-10-27 | 3 | 
| TREC ETHICS MCE (E) (18650) | Kaplan Real Estate Education | 2010-09-19 | 3 | 
| TREC LEGAL UPDATE MCE (L) (18649) | Kaplan Real Estate Education | 2010-09-19 | 3 | 
| SUSTAINABLE HOUSING (18133) | Kaplan Real Estate Education | 2010-09-18 | 3 | 
| FORECLOSURES, SHORT SALES, REO'S & AUCTIONS (18128) | Kaplan Real Estate Education | 2010-09-18 | 6 | 
| TREC ETHICS MCE (E) (16497) | Kaplan Real Estate Education | 2008-10-19 | 3 | 
| TREC LEGAL UPDATE MCE (L) (16496) | Kaplan Real Estate Education | 2008-10-19 | 3 | 
| REPRESENTING LANDLORDS AND TENANTS - CREATING WIN-WIN RELATIONSH (16425) | Kaplan Real Estate Education | 2008-10-18 | 3 | 
| KEEPING YOUR MONEY IN THE BANK - AVOIDING UNNECESSARY LAWSUITS (16424) | Kaplan Real Estate Education | 2008-10-18 | 3 | 
| HIGHER LEVEL OF SERVICE - FOUR STEP FOR MARKETING EVERY PROPERTY (16423) | Kaplan Real Estate Education | 2008-10-18 | 3 | 
| 5 EASY STEPS TO FINANCIAL SUCCESS (14676) | Kaplan Real Estate Education | 2006-09-24 | 1 | 
| TREC LEGAL UPDATE MCE (L) (13837) | Kaplan Real Estate Education | 2006-09-24 | 3 | 
| TREC ETHICS MCE (E) (13836) | Kaplan Real Estate Education | 2006-09-24 | 3 | 
| GETTING BETTER WITH AGE: TREC PROMULGATED FORMS (14678) | Kaplan Real Estate Education | 2006-09-23 | 4 | 
| TAXES AND OTHER REAL ESTATE MONEY MATTERS (14677) | Kaplan Real Estate Education | 2006-09-23 | 4 | 
| DECIDE, DISCLOSE, DOCUMENT (12992) | THE REAL ESTATE SCHOOL INC | 2004-09-19 | 4 | 
| REAL ESTATE ETHICS: PRACTICAL APPLICATIONS (12781) | THE REAL ESTATE SCHOOL INC | 2004-09-19 | 3 | 
| PROMULGATED TO PROTECT: WORKING WITH THE LATEST TREC FORMS (13284) | THE REAL ESTATE SCHOOL INC | 2004-09-18 | 4 | 
| REAL ESTATE: THE PLAYERS AND THE RULES (12780) | THE REAL ESTATE SCHOOL INC | 2004-09-18 | 4 | 
| WIN-WIN: PEACE AND HARMONEY BETWEEN LANDLORDS AND TENANTS (12443) | THE REAL ESTATE SCHOOL INC | 2002-08-18 | 4 | 
| DOING THE RIGHT THING (11922) | THE REAL ESTATE SCHOOL INC | 2002-08-18 | 3 | 
| NOTHING STAYS THE SAME: WORKING WITH NEW AND REVISED TREC FORMS (12318) | THE REAL ESTATE SCHOOL INC | 2002-08-17 | 4 | 
| A REGULATED INDUSTRY (11921) | THE REAL ESTATE SCHOOL INC | 2002-08-17 | 4 | 
| 2000 AND BEYOND: AN MCE UPDATE, PART 2 (11300) | THE REAL ESTATE SCHOOL INC | 2000-08-20 | 3 | 
| 2000 AND BEYOND: AN MCE UPDATE, PART 2 (11300) | THE REAL ESTATE SCHOOL INC | 2000-08-20 | 3 | 
| 2000 AND BEYOND: AN MCE UPDATE, PART 2 (11300) | THE REAL ESTATE SCHOOL INC | 2000-08-20 | 1 | 
| 2000 AND BEYOND: AN MCE UPDATE, PART 1 (11299) | THE REAL ESTATE SCHOOL INC | 2000-08-19 | 7 | 
| 2000 AND BEYOND: AN MCE UPDATE, PART 1 (11299) | THE REAL ESTATE SCHOOL INC | 2000-08-19 | 1 | 
| ENVIRONMENTAL LAW & UPDATE (10420) | SPENCER SCHOOL OF REAL ESTATE | 1994-10-30 | 3 | 
| RESIDENTIAL CONTRACTS/ADDENDA (10254) | SPENCER SCHOOL OF REAL ESTATE | 1994-10-30 | 4 | 
| TRELA, DTPA AND AGENCY (10246) | SPENCER SCHOOL OF REAL ESTATE | 1994-10-29 | 8 | 
| KEEPING CURRENT WITH TEXAS REAL ESTATE (10163) | PEYTON SCHOOL OF REAL ESTATE | 1992-09-27 | 9 | 
| KEEPING CURRENT WITH TEXAS REAL ESTATE (10163) | PEYTON SCHOOL OF REAL ESTATE | 1992-09-27 | 6 |