JJ
John Mark Jackson
John Mark Jackson is a lawyer in Houston, TX who works for John Mark Jackson - Attorney at Law. Practice areas include Taxation. Licensed in Texas since 1994. Graduated from South Texas College of Law in 1993.
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Law school
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JJ
John Mark Jackson
John Mark Jackson - Attorney at LawHouston, TX·32 years licensed
Claim profileContact attorney
John Mark Jackson is a lawyer in Houston, TX who works for John Mark Jackson - Attorney at Law. Practice areas include Taxation. Licensed in Texas since 1994. Graduated from South Texas College of Law in 1993.
Law school
South Texas College of Law
Class of 1993
Bar admission
1994
State Bar of TX · No. 789396
Office
4250B Drake St
Houston, TX 77005
Disciplinary
None on record
Clean since admission
Career history
2 observed firms
Based on State Bar of Texas snapshots — each row is a firm the attorney was registered with at one of our quarterly pulls.
- Dept of Us TreasuryAS OF MAY 2023Government Lawyer · Houston, TX
- John Mark Jackson - Attorney at LawAPR 2026 — PRESENTGovernment Lawyer · Houston, TX
Case data
Case data
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Practice & jurisdiction
Practice areas
- Taxation
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Last refreshed Jun 2026