William Alexander Marquis III
Law Offices of William A. Marquis
- License: Active, reported by State Bar of California
- Profile: Unverified, not yet claimed by the attorney
- Location
- Tustin, California
- Licensed in
- California
- Licensing authority
- State Bar of California
- Role
- Attorney
- Bar number
- 139070
William Alexander Marquis III is a lawyer licensed in California under State Bar of California bar number 139070. According to State Bar of California records, the license status of William Alexander Marquis III is Active, with admission in December 1988. William Alexander Marquis III has an address of record in Tustin, Orange County, California, with Law Offices of William A. Marquis. This page is a directory listing by ESQ CoPilot Lawyer Directory; it is not an endorsement or a referral.
How claiming works
Start your free claim
Enter your bar number on the claim page. It must match the license on this profile.
Confirm the email on your licensing record
We email a one-time link only to the address the State Bar of California lists for you. Open it and confirm. If that address is shared by more than one lawyer, a person reviews the claim first.
Manage your profile
Once the claim is approved, add practice areas, languages, phone and website, and ask for corrections to licensing-record details.
License
- Licensing jurisdiction
- California
- Licensing authority
- State Bar of California
- Bar number
- 139070
- License status
- ActiveReported by the State Bar of California. Not independently verified by ESQ CoPilot.
- Admission date
- December 1988
- Status last checked
- Not yet re-checked by ESQ CoPilot. 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.
- Official source
- State Bar of California official record
Firm and location
- Firm or employer
- Law Offices of William A. Marquis
- Address of record
- 2522 Chambers Rd, Suite 213, Tustin, CA 92780
- City
- Tustin
- County
- Orange County
- Office state or country
- California
- ZIP code
- 92780
From the State Bar of California record. If it is out of date, the attorney can update it with the State Bar of California.
Contact and professional details
- Phone
- 714-832-1600
Practice areas
Commercial Law, Labor & Employment, Litigation, Real Estate. Listed in the directory's source file. Where that list came from is not confirmed, and William Alexander Marquis III has not confirmed it. It is not a certification of specialization.
Are you William Alexander Marquis III? Review and improve this listing.Free. You confirm the email on your licensing record first (this shows control of that email, not a separate identity check).
Claim Your Free ProfileSources and verification
| Information | Source | Verification status | Checked |
|---|---|---|---|
| Name, license number, license status, admission date | State Bar of California, official record | Reported by licensing authority; not re-checked since it was copied | Date not recorded |
| Firm, address of record, fax | Directory copy of State Bar of California records | Reported by licensing authority; not confirmed by the attorney | Date not recorded |
| Phone | Directory copy of State Bar of California records | Not confirmed by the attorney | Date not recorded |
| Website | Directory source file | Unavailable | - |
| Practice areas | Directory source file (origin not confirmed) | Not confirmed by the attorney | - |
| Languages, free first consultation | Supplied by the attorney only | Unavailable until the profile is claimed | - |
| Profile ownership | ESQ CoPilot profile claim | Unclaimed. Not verified by the attorney. | - |
| Identity of the attorney | ESQ CoPilot | Not independently verified | - |
License status comes from the licensing authority; it is not an identity check. A claimed profile means someone opened a link sent to the email address on the licensing record; ESQ CoPilot has not otherwise verified identity. 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 licensing records. It is not an endorsement, a referral, or a statement about the skills of William Alexander Marquis III. ESQ CoPilot does not receive payment for this listing.