Jeanmarie P. Costello

44 years of practiceLicensed in New YorkJeanmarie P Costello Esq, Riverhead

44 years in practice
First admitted in 1982
  1. 1982 Admitted, New York

Overview

Jeanmarie P. Costello is an attorney admitted in New York (since 1982), based in Riverhead, NY.

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

Jurisdictions admitted

JurisdictionAdmittedBar numberStatus
New York1982#1780469Active

Education

  • St JohnsLaw school, per the bar record

Contact and offices

Jeanmarie P Costello Esq

Riverhead, NY

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.