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Patrick Costello Email & Phone Number
Partner
at
Horn Williamson, LLC
1 work email found
@daileyllp.com
1 phone found area 215
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Partner
Location
Greater Philadelphia, United States, United States
Company size
Who is Patrick Costello? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Patrick Costello is listed as Partner at Horn Williamson, LLC, a company with 7 employees, based in Greater Philadelphia, United States, United States. AeroLeads shows a work email signal at daileyllp.com, phone signal with area code 215, and a matched LinkedIn profile for Patrick Costello.
Patrick Costello previously worked as Attorney at Dailey Llp and Attorney-at-Law at Venzie, Phillips & Warshawer, P.C.. Patrick Costello holds J.D. from Pennsylvania State University, The Dickinson School Of Law.
Company email context
Email format at Horn Williamson, LLC
This section adds company-level context without repeating Patrick Costello's masked contact details.
{first_initial}{last}@daileyllp.com
89% confidence
AeroLeads found 1 current-domain work email signal for Patrick Costello. Compare company email patterns before reaching out.
Profile bio
About Patrick Costello
Patrick has over 20 years of experience practicing law, with a focus on construction law, commercial litigation, contracts, and alternative dispute resolution. Patrick is admitted to the bar as a licensed attorney in the states of Pennsylvania, New Jersey and Delaware. Dailey LLP has offices in Media, PA, Philadelphia, PA, New York, NY and Wilmington, DE. To read more about Patrick & Dailey LLP, visit: https://daileyllp.com/about-us/patrick-a-costello/
Listed skills include Litigation, Commercial Litigation, Bankruptcy, Construction Law, and 2 others.
Current workplace
Patrick Costello's current company
Company context helps verify the profile and gives searchers a useful next step.
Horn Williamson, Llc
6 roles · 24 years
Patrick Costello work experience
A career timeline built from the work history available for this profile.
Attorney
Current
Jan 2020 - Present
Attorney-At-Law
Venzie, Phillips & Warshawer, P.C.
2007 - Dec 2019
Attorney-At-Law
2004 - 2007
~3 yrs
Judicial Law Clerk
Judge Jan R. Jurden, Delaware Superior Court
2003 - 2004
~1 yr
Judicial Law Clerk
Judge Harold A. Thomson, Jr., Court Of Common Pleas, Pike Co. Pennsylvania
2002 - 2003
~1 yr
Team & coworkers
Colleagues at Horn Williamson, LLC
Other employees you can reach at daileyllp.com. View company contacts for 7 employees →
MB
Michael Bonner
Colleague at Horn Williamson, Llc
Philadelphia, Pennsylvania, United States, United States
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SW
Sam Warshawer
Colleague at Horn Williamson, Llc
Philadelphia, Pennsylvania, United States, United States
View →
AA
Alfred Anthony Brown
Colleague at Horn Williamson, Llc
Philadelphia, Pennsylvania, United States, United States
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RL
Richard Levan
Colleague at Horn Williamson, Llc
New York City Metropolitan Area, United States
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EH
Erin Hanlon
Colleague at Horn Williamson, Llc
Philadelphia, Pennsylvania, United States, United States
View →
JW
Jacqueline Woolley
Colleague at Horn Williamson, Llc
Greater Philadelphia, United States
View →
Michael Bonner
Colleague at Horn Williamson, Llc
Philadelphia, Pennsylvania, United States, United States
View →
SW
Sam Warshawer
Colleague at Horn Williamson, Llc
Philadelphia, Pennsylvania, United States, United States
View →
AA
Alfred Anthony Brown
Colleague at Horn Williamson, Llc
Philadelphia, Pennsylvania, United States, United States
View →
RL
Richard Levan
Colleague at Horn Williamson, Llc
New York City Metropolitan Area, United States
View →
EH
Erin Hanlon
Colleague at Horn Williamson, Llc
Philadelphia, Pennsylvania, United States, United States
View →
JW
Jacqueline Woolley
Colleague at Horn Williamson, Llc
Greater Philadelphia, United States
View →
3 education records
Patrick Costello education
B.A. History
Education record
Wyoming Seminary College Preparatory School
FAQ
Frequently asked questions about Patrick Costello
Quick answers generated from the profile data available on this page.
What company does Patrick Costello work for?
Patrick Costello works for Horn Williamson, LLC.
What is Patrick Costello's role at Horn Williamson, LLC?
Patrick Costello is listed as Partner at Horn Williamson, LLC.
What is Patrick Costello's email address?
AeroLeads has found 1 work email signal at @daileyllp.com for Patrick Costello at Horn Williamson, LLC.
What is Patrick Costello's phone number?
AeroLeads has found 1 phone signal(s) with area code 215 for Patrick Costello at Horn Williamson, LLC.
Where is Patrick Costello based?
Patrick Costello is based in Greater Philadelphia, United States, United States while working with Horn Williamson, LLC.
What companies has Patrick Costello worked for?
Patrick Costello has worked for Horn Williamson, Llc, Dailey Llp, Venzie, Phillips & Warshawer, P.C., Klehr Harrison Harvey Branzburg & Ellers, Llp, and Judge Jan R. Jurden, Delaware Superior Court.
Who are Patrick Costello's colleagues at Horn Williamson, LLC?
Patrick Costello's colleagues at Horn Williamson, LLC include Michael Bonner, Sam Warshawer, Alfred Anthony Brown, Richard Levan, and Erin Hanlon.
How can I contact Patrick Costello?
You can use AeroLeads to view verified contact signals for Patrick Costello at Horn Williamson, LLC, including work email, phone, and LinkedIn data when available.
What schools did Patrick Costello attend?
Patrick Costello holds J.D. from Pennsylvania State University, The Dickinson School Of Law.
What skills is Patrick Costello known for?
Patrick Costello is listed with skills including Litigation, Commercial Litigation, Bankruptcy, Construction Law, Legal Research, and Legal Writing.
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