Mark Costello: Email & Phone Number

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Director of Community Environmental Health at Onondaga County Health Department|Syracuse, New York, United States

Position:

Director of Community Environmental Health at Onondaga County Health Department

Location:

Syracuse, New York, United States

View Mark Costello's Email

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Last updated: 2025-07-29

Updated: 2025-07-29

Found email addresses for Mark Costello:

Business emails:

c**@ongov.net

Personal emails:

m***@ongov.net,

m***@gmail.com

Found phones for Mark Costello:

+1-520-***-**91,

+1-323-***-**94,

+1-205-***-**55

A different Mark Costello?

Work Experience 6 years

Director of Community Environmental Health at Onondaga County Health Department

Sanitarian II at Onondaga County Health Department

Apr 2024 - Apr 2025

Sanitarian I at Onondaga County Health Department

Apr 2021 - Apr 2024

Environmental Health Technician at Onondaga County Health Department

Oct 2019 - Apr 2021

Mark Costello started working in 2019, then the employee has changed 3 jobs. On average, Mark Costello works for one company for 1 year 10 months.

Education

Bachelor of Science - BS at State University of New York Cortland

Frequently Asked Questions

What is Mark Costello's email address?

SignalHire found verified email addresses for Mark Costello, both business and personal. Their business email is c**@ongov.net, and personal emails include m***@ongov.net, and m***@gmail.com.

What is Mark Costello's phone number?

SignalHire found multiple verified phone numbers for Mark Costello: +1-520-***-**91, +1-323-***-**94, and +1-205-***-**55.

How do I contact Mark Costello at Onondaga County Health Department?

You can reach Mark Costello through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Mark Costello's professional background?

Mark Costello has 6 years of professional experience. They have held roles including Sanitarian II, Sanitarian I, and Environmental Health Technician at companies such as Onondaga County Health Department, Onondaga County Health Department, and Onondaga County Health Department. Their education includes Bachelor of Science - BS from State University of New York Cortland.

Is Mark Costello's contact information up to date?

Yes. Mark Costello's SignalHire profile was last updated on 29 July 2025, reflecting their current position as Director of Community Environmental Health at Onondaga County Health Department in Syracuse, NY, United States.

Mark Costello Namesakes

Name

Company

Position

Mark Costello

Down To Earth Landscaping, Inc.

Branch Manager

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Mark Costello

The Janssen Pharmaceutical Companies of Johnson & Johnson

Operations Team Lead

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Mark Costello

Data Recognition Corporation

Scoring Director

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Other employees at Onondaga County Health Department

Name

Company

Position

Lucas Whitman

Onondaga County Health Department

Sanitarian I - Food Protection

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Sarah Smathers

Onondaga County Health Department

Public Health Educator

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Katie McCoy

Onondaga County Health Department

Education Specialist

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Karissa Cook

Onondaga County Health Department

Environmental Health Technician

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Shannon Kellar

Onondaga County Health Department

Service Navigator

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Anna Tran

Onondaga County Health Department

Intern

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Akeyva Wright

Onondaga County Health Department

Environmental Health Technician I

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Kathryn Anderson

Onondaga County Health Department

Commissioner

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Camryn Chaffee

Onondaga County Health Department

Public Health Educator

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Hannah Vona

Onondaga County Health Department

Environmental Health Technician I

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