COSTELLO, MARK JOHN
Broker, License #666230
Delegated Supervisor
No
License Status
Active
Expiration Date
09/30/2025
County
PARKER
DBA
"THE COSTELLO GROUP"
Designated Broker For
Name (License Type)
COSTELLO GROUP, LLC (Real Estate LLC)
Effective Date
License #
9013045
License Status
Active
Expiration Date
01/31/2027
1 Sales Agent Sponsored
Sponsor Date
02/01/2022
License #
742239
License Status
Active
Expiration Date
08/31/2026
This license holder may be subject to Continuing Education (CE) Requirements, which require completion of 18 hours of CE courses per license period, including the 4-hr TREC Legal Update I and the 4-hr TREC Legal Update II courses, 3-hr contract-related coursework and, if applicable, the 6-hr TREC Broker Responsibility course. Courses cannot be duplicated within the term of a renewal period. See TREC Rule §535.92.
Real Estate Education History
| Course Date | Course Number | Course Name | Subject | Provider Name | Hours |
|---|---|---|---|---|---|
| 11/13/24 | 46065 | Get to Know the 1-4 Family Contract! | Contracts | Texas REALTORS | 3 |
| 08/26/24 | 46832 | Residential Property Management Essentials | RE CE Elective | The CE Shop LLC | 4 |
| 06/13/24 | 46516 | Hot Buttons, Part C: The Pitfalls of Contracts and Amendments | Contracts | Texas REALTORS | 3 |
| 09/07/23 | 42040 | Legal Update II (2022-2023) | Legal Update II | Texas REALTORS | 4 |
| 09/06/23 | 42039 | Legal Update I (2022-2023) | Legal Update I | Texas REALTORS | 4 |
| 07/20/23 | 42680 | Escape Hatches for Buyers | Contracts | Republic Title of Texas, Inc. | 1 |
| 07/19/23 | 44622 | Instagram Reels for Real Estate Agents | RE CE Elective | Republic Title of Texas, Inc. | 1 |
| 05/18/22 | 39962 | Broker Responsibility Course (2021-2022) | Broker Responsibility | Texas REALTORS | 6 |
| 02/16/22 | 41673 | Avoiding Common Contract Mistakes | Contracts | Texas REALTORS | 2 |
| 02/08/22 | 39934 | 1-4 Contract Boot Camp | Contracts | Texas REALTORS | 5 |
| 08/04/21 | 751 | Real Estate Brokerage | Qualifying RE Topics | The CE Shop LLC | 30 |
| 09/17/19 | 36323 | Property Management - PDF | RE CE Elective | 360training.com | 4 |
| 09/16/19 | 35785 | Closing and Settlement Costs | RE CE Elective | 360training.com | 3 |
| 09/16/19 | 33198 | Legal Update II (2018-2019) | Legal Update II | 360training.com | 4 |
| 09/16/19 | 35784 | Liens, Taxes and Foreclosures | RE CE Elective | 360training.com | 3 |
| 09/16/19 | 33197 | Legal Update I (2018-2019) | Legal Update I | 360training.com | 4 |
| 03/22/18 | 532 | Real Estate Marketing: Negotiation Techniques | Qualifying RE Topics | 360training.com, Inc. | 30 |
| 03/13/18 | 536 | Real Estate Marketing: Building a Real Estate Practice | Qualifying RE Topics | 360training.com, Inc. | 30 |
| 01/19/18 | 311 | REAL ESTATE LAW I | Qualifying RE Topics | 360training.com, Inc. | 30 |
| 01/01/18 | 33198 | Legal Update II (2018-2019) | Legal Update II | 360training.com | 4 |
| 12/31/17 | 29622 | Legal Update I | Legal Update I | 360training.com | 4 |
| 11/01/15 | 351 | Promulgated Contract Forms | Qualifying RE Topics | KAPLAN UNIVERSITY | 30 |
| 10/20/15 | 1251 | Law of Contracts | Qualifying RE Topics | KAPLAN UNIVERSITY | 30 |
| 10/15/15 | 451 | Real Estate Finance | Qualifying RE Topics | KAPLAN UNIVERSITY | 30 |
| 10/11/15 | 1151 | Law of Agency | Qualifying RE Topics | KAPLAN UNIVERSITY | 30 |
| 10/06/15 | 121 | Principles of Real Estate I | Qualifying RE Topics | KAPLAN UNIVERSITY | 30 |
| 10/06/15 | 122 | Principles of Real Estate II | Qualifying RE Topics | KAPLAN UNIVERSITY | 30 |
| 05/21/05 | 6100 | ALL RELATED (EXCEPT R.E.) | Qualifying RE Topics | SCHOOLS FROM WHICH RELATED CREDIT IS ACCEPTED | 630 |
