Mark Preston McMahon
- Verified against the Texas bar record, July 2026
49 years in practice
First admitted in 1977
First admitted in 1977
- 1977 Admitted, Texas
Overview
Mark Preston McMahon is an attorney admitted in Texas (since 1977), based in Longview, TX.
This profile is built from public bar records and shows only what those records contain. Mark has not written or endorsed anything on this page.
Jurisdictions admitted
| Jurisdiction | Admitted | Bar number | Status |
|---|---|---|---|
| Texas | 1977 | #13776500 | Active |
Education
- St. Mary's UniversityLaw school, per the bar record
Contact and offices
Erskine & McMahon, LLP
PO Box 3485
Longview, TX 75606
The address and number above come from the attorney's public bar registration, which can lag a recent move. Confirm before visiting.
Other attorneys in Longview
Ordered by years licensed, from the same public records.
Sources for this profile: the Texas bar record. License status can change; check the bar's own record for the current status before hiring. Updated July 21, 2026.