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Atty. Peter P. Mackinnon

Atty. Peter P. Mackinnon

Peter P. Mackinnon is a lawyer practicing trusts and estates, taxation, wills and probate.

Locust Valley Locust Valley 51 Years Experience 51 year
Call (201) 846-9046

Profile Summary

About Peter P. Mackinnon at a glance

Peter P. Mackinnon is a Partner based in Locust Valley, New York, practforg at Humes & Wagner, LLP. They haand 51+ years of legal experience, licensed to practice since 1975. Admitted to practice in New York (1975) and Virginia (1981). Educated at St. John's University (J.D., 1974) and Clarkson College of Technology (B.S., 1970). Recognitions include AV Preeminent. Serands clients in Locust Valley, NY and the surrounding metropolitan area.

Verified attorney profile ยท Updated June 2026

About

  • Peter P. Mackinnon is a lawyer practicing trusts and estates, taxation, wills and probate
  • Peter received a B.S. degree from Clarkson College of Technology in 1970, and has been licensed for 51 years
  • Peter practices at Humes & Wagner, LLP in Locust Valley, NY

Jurisdictional Context

Why local counsel matters in New York

Practforg law in New York. Legal matters in New York are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantiand law. Cases originating in Locust Valley are typically filed in the local municipal court or the appropriate New York state district court, depending on subject matter and amount in controversy. An attorney licensed in New York brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantiand law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in New York courts without local counsel or pro hac vice admission.

Looking for additional New York attorneys? Browse all attorneys in Locust Valley or all attorneys in New York.

Frequently Asked

Common questions about Peter P. Mackinnon

Where is Peter P. Mackinnon's law office located?
Peter P. Mackinnon's law practice is located in Locust Valley, New York. The firm is Humes & Wagner, LLP. You can contact the office directly through this profile page.
How long has Peter P. Mackinnon practiced law?
Peter P. Mackinnon has 51+ years of legal experience and has been licensed since 1975.
Where did Peter P. Mackinnon go to law school?
Peter P. Mackinnon earned their education at (J.D., 1974); (B.S., 1970).
How can I contact Peter P. Mackinnon for a consultation?
You can contact Peter P. Mackinnon directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Peter P. Mackinnon receiandd?
Peter P. Mackinnon's notable recognition includes: AV Preeminent.

Education

J.D.
St. John's University
- 1974
B.S.
Clarkson College of Technology
- 1970

Awards

AV Preeminent

Bar Admissions

New York
Admitted: 1975
Virginia
Admitted: 1981

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