Andrew Jon Mast
Claim this profileAndrew Jon Mast is a lawyer licensed in California under State Bar of California bar number 284070. According to State Bar of California records, the license status of Andrew Jon Mast is Active, with admission in July 2012. Andrew Jon Mast has an address of record in San Francisco, San Francisco County, California, with US DOJ - Antitrust Division. 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
- 284070
- License status
- Active, according to State Bar of California records (official record)
- Admitted
- July 2012
- 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
- US DOJ - Antitrust Division
- Address of record
- 450 Golden Gate Ave, Ste 10-0101, San Francisco, CA 94102-3431
- City
- San Francisco
- County
- San Francisco County
- ZIP code
- 94102
Contact details
- Phone
- 415-229-2928
- Fax
- Not stated in the source
- andrew.mast@usdoj.gov (as listed; delivery not tested)
- Website
- Not stated in the source
Practice areas
Antitrust & Trade Regulation, Criminal Law. Listed in the directory's source file. Where that list came from is not confirmed, and Andrew Jon Mast has not confirmed it. It is not a certification of specialization.
Documented matter experience
ALCBar has no reviewed matter records for Andrew Jon Mast. This means the information is not available, not that Andrew Jon Mast 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 Andrew Jon Mast; 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 Andrew Jon Mast. ALCBar does not receive payment for this listing.