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Jeanmarie P. Costello, an attorney admitted in New York, works out of Jeanmarie P Costello Esq's Riverhead office.
New York bar admission: 1982 (Appellate Division, Second Department). Law school: St. John's University School of Law. That is 44 years in practice. The state's attorney registry lists Costello (registration no. 1780469) as currently registered, next due Feb 2028.
To reach Costello, call (631) 727-1090. Office: 455 Griffing Ave, Riverhead, NY 11901.
Worked with Costello? A fair, specific review — how responsive Costello was, how clearly things were explained, how the matter went — helps the next person choosing a lawyer.
Quick facts
- Profession
- Attorney (New York)
- Firm
- Jeanmarie P Costello Esq
- Office
- 455 Griffing Ave, Riverhead, NY 11901
- Phone
- (631) 727-1090
- Admitted to the NY bar
- 1982 — Appellate Division, Second Department
- Law school
- St. John's University School of Law
- Registration no.
- 1780469
- Registration status
- Currently registered (next due Feb 2028)
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Frequently Asked Questions
Jeanmarie P. Costello is with Jeanmarie P Costello Esq at 455 Griffing Ave, Riverhead, NY 11901. Phone: (631) 727-1090.
In 1982, through the Appellate Division, Second Department.
St. John's University School of Law.
Yes. New York's attorney registry lists registration no. 1780469 as currently registered, with the next renewal due Feb 2028.
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