New York attorney record · Judicial Dept 2
Thomas F. Callahan
St Johns University alumna, admitted to the New York bar in 1981, registered office in Hicksville, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1981
- Admitted
- 45
- Years in bar
- 1741354
- NY reg #
The record in one line
Thomas F. Callahan appears in the New York attorney register with a current status of "Due to reregister within 30 days of birthday", on record since 1981 - an administrative designation rather than discipline, but confirm current standing with the state bar.
- 45 yrs
- since first admission to the bar
- Pending-renewal
- current bar status: "Due to reregister within 30 days of birthday"
- #17 of 161
- by tenure in Hicksville office peers
- Law school
- St Johns University
Data updated September 2026
What this profile tells you
Bar status & tenure
Thomas F. Callahan is registered as bar number 1741354 with the New York bar authority, carrying a current status of "Due to reregister within 30 days of birthday", a routine periodic-renewal reminder, not discipline. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under National Grid, located in Hicksville, NY (Nassau County), ZIP 11801. 5 other attorneys share this firm affiliation in the registry. Educational background: ST JOHNS UNIVERSITY.
State context & due diligence
A "Due to reregister within 30 days of birthday" status falls outside the New York bar's active cohort for now. The breakdown below shows what share of the register that represents.
Tenure among Hicksville, NY office peers
Thomas F. Callahan is toward the newer end of Hicksville, NY's NY register cohort: #17 of 161 by years since admission. See the Hicksville attorney directory .
- Local rank
- #17
- City cohort
- 161
- Local percentile
- 10th
- Admitted
- 1981
Nearest tenure peers in Hicksville
- Jonathan A. Fields admitted 1981 · 45 yr
- John P. Pedranghelu Jr. admitted 1982 · 44 yr
- Nicholas P. Sarandis admitted 1982 · 44 yr
- Syed N. Zaman admitted 1982 · 44 yr
How local rank is computed
Rank uses years since NY-bar admission among non-deceased registry rows that list the same office city and state, a local placement, not a statewide claim. Source: NY Office of Court Administration Attorney Registration · as of September 2026. Derived local rank, not published upstream.
How Thomas compares to fellow St Johns University alumni
Among the 3,147 St Johns University graduates in the New York register, Thomas F. Callahan is longer-tenured than 82%.
45 years vs. St Johns University alumni
Years since admission - 3,147 NY-registered alumni of this school
45 Top 18% higher than 82% of 3,147 fellow alumni
Each bar is a band; taller bars hold more fellow alumni. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source NY Office of Court Administration, Attorney Registration · September 2026
The 1981 admission class today
Of the 4,916 attorneys admitted to the New York bar in 1981, 54.1% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Due to reregister within 30 days of birthday
- Registration Number
- 1741354
- Year Admitted
- 1981 (45 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- Jun 2026
Location & Contact
- Company
- National Grid
- City
- Hicksville, NY
- County
- Nassau
- ZIP Code
- 11801
- Phone
- (516) 545-5347
Education
ST JOHNS UNIVERSITY
Status Distribution Across the New York Bar
Thomas F. Callahan's current status, "Due to reregister within 30 days of birthday", places this record outside the 67.2% of the 432,625-attorney New York register currently marked active.
Full statewide breakdown & source note
Source: NY Office of Court Administration, Attorney Registrations. Status counts reflect the latest reporting cycle. Bar status confirms registration only; it does not imply competence, specialty fit, or freedom from complaints.
Same firm affiliation: National Grid
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure St Johns University alumni
Fellow alumni on the NY register whose admission year is closest to 1981 (excluding same-firm colleagues above).
Same admission year (1981), other cities
NY-registered attorneys admitted in 1981 whose listed office city differs from Hicksville, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Thomas F. Callahan: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~162 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1981)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Hicksville, NY
Compare credentials side-by-side
Compare Thomas F. Callahan with similar attorneys in Hicksville.
Compare attorneys →Before you rely on this record
Thomas F. Callahan is currently listed as "Due to reregister within 30 days of birthday", treat that as a registration fact to confirm, not a verdict on quality.
Frequently Asked Questions
Where is Thomas Callahan licensed?
Thomas Callahan is licensed to practice law in New York.
When was Thomas F. Callahan admitted to the bar?
Thomas F. Callahan's admission to the New York bar dates back to 1981.
Where did Thomas F. Callahan go to law school?
Thomas F. Callahan attended ST JOHNS UNIVERSITY.
What company does Thomas F. Callahan work for?
Thomas F. Callahan is associated with National Grid in Hicksville, NY.
Is Thomas F. Callahan in good standing?
Not currently, Thomas F. Callahan's listed status is "Due to reregister within 30 days of birthday", not active standing. Confirm current status with the state bar.
Cite this page & disclosure
Sourced from the NY Office of Court Administration, informational only, not legal advice. Full disclosure.
Read our methodology - how this data is sourced, computed, and verified.