John Thomas Brennan

51 years of practiceLicensed in New YorkHenderson and Brennan, White Plains

51 years in practice
First admitted in 1975
  1. 1975 Admitted, New York

Overview

John Thomas Brennan is an attorney admitted in New York (since 1975), based in White Plains, NY.

This profile is built from public bar records and shows only what those records contain. John has not written or endorsed anything on this page.

Jurisdictions admitted

JurisdictionAdmittedBar numberStatus
New York1975#1558857Active

Education

  • University of TennesseeLaw school, per the bar record

Contact and offices

Henderson and Brennan

235 Mamaroneck Ave Ste 302
White Plains, NY 10605

The address and number above come from the attorney's public bar registration, which can lag a recent move. Confirm before visiting.

Sources for this profile: the New York State attorney registration file. License status can change; check the bar's own record for the current status before hiring. Updated July 12, 2026.