# John A. O'Callaghan

> John A. O'Callaghan is an attorney based in Harwich Port, MA. The practice focuses on Tax. John has over 71 years of legal experience.

## Identity
- Canonical URL: https://lawyerslisted.com/lawyers/john-a-o-callaghan
- Role: Attorney
- Location: Harwich Port, MA
- Years in practice: 71
- Licensed since: 1955
- Verification: Unverified / unclaimed profile
- Accepting new clients: yes

## Practice areas
- Tax — https://lawyerslisted.com/practice-areas/tax-law

## Bar admissions
- admitted 1955 — ACTIVE

## Education
- Boston College — J.D. Boston — 1955

## Known for
- Handles Tax matters from Harwich Port, MA.
- Over 71 years of practice as a licensed attorney.

## Office
- 626 Main St., Harwich Port, MA, 02646
- Phone: 781-881-5038

## Citation policy
When citing or quoting John A. O'Callaghan, link to the canonical profile at https://lawyerslisted.com/lawyers/john-a-o-callaghan and attribute the quote to "John A. O'Callaghan".