Gregory Alan Mase
Claim this profileGregory Alan Mase is a lawyer licensed in California under State Bar of California bar number 164002. According to State Bar of California records, the license status of Gregory Alan Mase is Active, with admission in April 1993. Gregory Alan Mase has an address of record in Walnut Creek, Contra Costa County, California. This page is a directory listing by ALCBar Lawyer Directory; it is not an endorsement or a referral.
License
- License jurisdiction
- California
- Licensing authority
- State Bar of California
- Bar number
- 164002
- License status
- Active, according to State Bar of California records (official record)
- Admitted
- April 1993
- Status last verified
- Not yet verified by ALCBar. The status was copied from State Bar of California public records no later than June 3, 2026 (exact collection date not recorded) and has not been re-checked against the State Bar since.
Firm and location
- Firm or employer
- Not stated in the source
- Address of record
- Not stated in the source
- City
- Walnut Creek
- County
- Contra Costa County
- Office state or country
- California
- ZIP code
- 94597
Contact details
- Phone
- 925-332-0440
- Fax
- Not stated in the source
- gmase@tresslerllp.com (as listed; delivery not tested)
- Website
- Not stated in the source
Practice areas
Litigation. Listed in the directory's source file. Where that list came from is not confirmed, and Gregory Alan Mase has not confirmed it. It is not a certification of specialization.
Documented matter experience
ALCBar has no reviewed matter records for Gregory Alan Mase. This means the information is not available, not that Gregory Alan Mase lacks experience.
Sources and verification
| Information | Source | Status |
|---|---|---|
| Name, bar number, license status, admission date | State Bar of California attorney record | Copy of the public record; not re-checked by ALCBar since it was copied |
| Firm, address, phone, fax, email, website | Directory copy of State Bar of California records | Not confirmed by Gregory Alan Mase; email delivery not tested |
| Practice areas | Directory source file (origin not confirmed) | Not confirmed |
| Information confirmed by the attorney | Profile claim | None. This profile has not been claimed. |
| Independently reviewed information | ALCBar review | None |
Directory listing last updated 2026-10-11. If anything here differs from the State Bar of California record, the State Bar of California record is the authority.
This listing comes from public State Bar records. It is not an endorsement, a referral, or a statement about the skills of Gregory Alan Mase. ALCBar does not receive payment for this listing.