New York attorney record · Judicial Dept 1
William D. Costigan
Seton Hall University alumna, admitted to the New York bar in 1980, registered office in Middletown, NJ. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1980
- Admitted
- 46
- Years in bar
- 1661032
- NY reg #
The record in one line
William D. Costigan carries a "Delinquent" status on the New York bar register, on record since 1980 - confirm the exact standing and any discipline history directly with the state bar before engaging.
- 46 yrs
- since first admission to the bar
- Suspended
- current bar status: "Delinquent"
- Law school
- Seton Hall University
Data updated May 2026
What this profile tells you
Bar status & tenure
William D. Costigan is registered as bar number 1661032 with the New York bar authority, carrying a current status of "Delinquent", suspended or delinquent, verify terms with the bar before engaging. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
The attorney's registration lists a business address in Middletown, NJ, ZIP 07748. Educational background: SETON HALL UNIVERSITY (1,039 registered alumni).
State context & due diligence
A "Delinquent" status falls outside the New York bar's active cohort. The breakdown below shows what share of the register that represents, and how to verify current standing directly with the state bar.
How William compares to fellow Seton Hall University alumni
Among the 772 Seton Hall University graduates in the New York register, William D. Costigan is longer-tenured than 99% - a school-cohort view of experience, alongside the statewide one above.
46 years vs. Seton Hall University alumni
Years since admission - 772 NY-registered alumni of this school
46 Top 1% higher than 99% of 772 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 · May 2026
Seton Hall University's active-bar rate
Of Seton Hall University's 1,039 alumni in the New York register, 62.8% currently hold "Currently registered" status, below the statewide average.
Seton Hall University alumni, active-bar rate
The 1980 admission class today
Of the 4,659 attorneys admitted to the New York bar in 1980, 53.7% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Delinquent
- Registration Number
- 1661032
- Year Admitted
- 1980 (46 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Jun 2026
Location & Contact
- City
- Middletown, NJ
- ZIP Code
- 07748
- Phone
- (732) 772-3495
Education
Status Distribution Across the New York Bar
William D. Costigan's current status, "Delinquent", places this record outside the 66.2% of the 429,620-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.
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Compare attorneys →Before you rely on this record
William D. Costigan carries a "Delinquent" status. Verify the exact scope and dates of this action directly with the state bar before acting on it.
Frequently Asked Questions
Where is William Costigan licensed?
William Costigan is licensed to practice law in New York.
When was William D. Costigan admitted to the bar?
William D. Costigan's admission to the New York bar dates back to 1980.
Where did William D. Costigan go to law school?
William D. Costigan attended SETON HALL UNIVERSITY.
Is William D. Costigan in good standing?
No, William D. Costigan carries a "Delinquent" status, not active standing. Confirm the exact scope directly with the state bar before engaging.
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.