Skip to main content
No photo

Jonathan Halsby Sinnreich

Is this you? Claim and update your profile for free!

Practice areas:

Construction & Development, State, Local And Municipal Law, Environmental and Natural Resources, Litigation

Share your experience to help future clients.

Review Jonathan Sinnreich

Practice Areas

Licensed since 1975

  1. Litigation: 25%
  2. Environmental and Natural Resources: 25%
  3. State, Local And Municipal Law: 25%
  4. Construction & Development: 25%

Attorney Endorsements

No endorsements

Endorsements from fellow lawyers are an important consideration for many when selecting the right attorney. Be the first to endorse your colleague!

Endorse this lawyer

Contact Info

Sinnreich Safar & Kosakoff LLP

320 Carleton Avenue Suite 3200
Central Islip, NY, 11722

Sinnreich Kosakoff & Messina LLP

267 Carleton Ave Ste 301
Central Islip, NY, 11722-4544




NYCurrently registered 197503/13/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.

Avvo Contributions

Legal Answers


Association NamePosition NameDuration
American Arbitration AssociationMemberN/A


Publication NameTitleDate
The Cambridge InstituteArchitect-Engineer Liability Under New York LawN/A


School NameMajorDegreeGraduated
University of Virginia School of LawLawJD - Juris Doctor1974
St. John's CollegeN/ABA - Bachelor of Arts1968

Jonathan Halsby Sinnreich, is this your profile?

Claiming your profile is free and easy.

Highlight your practice areas, experience, and contact information.

Showcase your speaking engagements, awards, case histories, and more.

Claim your profile