California lawyer profile

William Henry Holsinger

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William Henry Holsinger is a lawyer licensed in California under State Bar of California bar number 84528. According to State Bar of California records, the license status of William Henry Holsinger is Active, with admission in December 1978. William Henry Holsinger has an address of record in San Mateo, San Mateo 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
84528
License status
Active, according to State Bar of California records (official record)
Admitted
December 1978
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
San Mateo
County
San Mateo County
Office state or country
California
ZIP code
94402

Contact details

Phone
650-340-7500
Fax
Not stated in the source
Email
William@HolsingerLawOffice.com (as listed; delivery not tested)
Website
holsingerlawoffice.com

Practice areas

Alternative Dispute Resolution, Business Law, Contracts, Family Law, Litigation, Trusts & Estates, Wills & Probate. Listed in the directory's source file. Where that list came from is not confirmed, and William Henry Holsinger has not confirmed it. It is not a certification of specialization.

Documented matter experience

ALCBar has no reviewed matter records for William Henry Holsinger. This means the information is not available, not that William Henry Holsinger lacks experience.

Sources and verification

InformationSourceStatus
Name, bar number, license status, admission dateState Bar of California attorney recordCopy of the public record; not re-checked by ALCBar since it was copied
Firm, address, phone, fax, email, websiteDirectory copy of State Bar of California recordsNot confirmed by William Henry Holsinger; email delivery not tested
Practice areasDirectory source file (origin not confirmed)Not confirmed
Information confirmed by the attorneyProfile claimNone. This profile has not been claimed.
Independently reviewed informationALCBar reviewNone

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 William Henry Holsinger. ALCBar does not receive payment for this listing.