William John Kostrzewski Jr.

39 years of practiceLicensed in FloridaWilliam J. Kostrzewski, Miami

39 years in practice
First admitted in 1987
  1. 1987 Admitted, Florida

Overview

William John Kostrzewski Jr. is an attorney admitted in Florida (since 1987), based in Miami, FL.

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

Jurisdictions admitted

JurisdictionAdmittedBar numberStatus
Florida1987#705550Active

Contact and offices

William J. Kostrzewski

PO Box 12193
Miami, FL 33101

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 Florida bar record. License status can change; check the bar's own record for the current status before hiring. Updated July 13, 2026.