New York lawyer profile

William Peter Mahon

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Chester County Justice Center

William Peter Mahon is a lawyer licensed in New York under New York State Unified Court System registration number 1678184. According to New York State Unified Court System records, the license status of William Peter Mahon is Active, with admission in 1980. William Peter Mahon has an address of record in West Chester, PA, with Chester County Justice Center. This page is a directory listing by ALCBar Lawyer Directory; it is not an endorsement or a referral.

License

License jurisdiction
New York
Licensing authority
New York State Unified Court System
Registration number
1678184
License status
Active, according to New York State Unified Court System records (official registration data). Look up registration number 1678184 in the New York State Unified Court System attorney search
Admitted
1980
Status last verified
Not yet verified by ALCBar. The status was taken from the NYS Unified Court System's official attorney registration data on data.ny.gov (dataset last updated October 10, 2026) and has not been re-checked against that dataset since.

Firm and location

Firm or employer
Chester County Justice Center
Address of record
PO Box 2746, 201 W Market St
City
West Chester
County
Not stated in the source
Office state or country
PA (outside the license state of New York)
ZIP code
19380-0989

Contact details

Phone
(610) 344-6180
Fax
Not stated in the source
Email
Not stated in the source
Website
Not stated in the source

Practice areas

No practice areas are listed for William Peter Mahon. This means the information is not available, not that William Peter Mahon does not practice in any area.

Documented matter experience

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

Sources and verification

InformationSourceStatus
Name, bar number, license status, admission dateNew York State Unified Court System attorney registration dataCopy of the public record; not re-checked by ALCBar since it was copied
Firm, address, phone, fax, email, websiteDirectory copy of New York State Unified Court System recordsNot confirmed by William Peter Mahon; 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 2026-10-12. If anything here differs from the New York State Unified Court System record, the New York State Unified Court System 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 Peter Mahon. ALCBar does not receive payment for this listing.