New York attorney record · Judicial Dept 1
Janet Costello
Seton Hall University School Of Law alumna, admitted to the New York bar in 2007, registered office in Jersey City, NJ. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2007
- Admitted
- 19
- Years in bar
- 4469409
- NY reg #
The record in one line
Janet Costello has held an active New York bar license for 19 years - admitted in 2007, longer-tenured than 38% of the state's currently-active attorneys.
- 19 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #484 of 908
- by tenure in Jersey City office peers
- Law school
- Seton Hall University School Of Law
Data updated August 2026
What this profile tells you
Bar status & tenure
Janet Costello carries New York bar registration 4469409, an established, active practitioner in good standing. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Office Of The Public Defender, located in Jersey City, NJ, ZIP 07306. 5 other attorneys share this firm affiliation in the registry. Educational background: Seton Hall University School of Law (2,918 registered alumni).
State context & due diligence
With an established practice on record, Janet Costello remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
Janet Costello was admitted in 2007, giving 19 years on the New York register.
19 years on the New York bar
Years since admission, all currently-active NY attorneys
19 Top 62% higher than 38% of 290,787 active NY attorneys
Each bar is a band; taller bars hold more active NY attorneys. 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 · August 2026
Tenure among Jersey City, NJ office peers
Relative to the 908 NY-registered attorneys listing Jersey City, NJ, Janet Costello is longer-tenured than 53% (local rank #484). See the Jersey City attorney directory .
- Local rank
- #484
- City cohort
- 908
- Local percentile
- 53rd
- Admitted
- 2007
Nearest tenure peers in Jersey City
- Peter Aguado admitted 2007 · 19 yr
- Deepan Bajwa admitted 2007 · 19 yr
- Peter J. Baker admitted 2007 · 19 yr
- Jessica Lynn Berenbroick admitted 2007 · 19 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 August 2026. Derived local rank, not published upstream.
How Janet compares to fellow Seton Hall University School Of Law alumni
Among the 4,775 Seton Hall University School Of Law graduates in the New York register, Janet Costello is longer-tenured than 40%.
19 years vs. Seton Hall University School Of Law alumni
Years since admission - 4,775 NY-registered alumni of this school
19 Top 60% higher than 40% of 4,775 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 · August 2026
Seton Hall University School Of Law's active-bar rate
Of Seton Hall University School Of Law's 2,918 alumni in the New York register, 81.4% currently hold "Currently registered" status, above the statewide average.
The 2007 admission class today
Of the 8,913 attorneys admitted to the New York bar in 2007, 87.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4469409
- Year Admitted
- 2007 (19 yrs · senior)
- Judicial Department
- 1
- Next Registration
- Sep 2027
Location & Contact
- Company
- Office Of The Public Defender
- City
- Jersey City, NJ
- ZIP Code
- 07306
- Phone
- (201) 795-8838
Education
Status Distribution Across the New York Bar
Janet Costello's current status, "Currently registered", places this attorney in 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: Office Of The Public Defender
Other NY-registered attorneys who share this firm name on the OCA register (not a geographic peer set).
Near-tenure Seton Hall University School Of Law alumni
Fellow alumni on the NY register whose admission year is closest to 2007 (excluding same-firm colleagues above).
Same admission year (2007), other cities
NY-registered attorneys admitted in 2007 whose listed office city differs from Jersey City, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Janet Costello: closest NY bar admission year outside NJ, and closest out-of-state office cities by how many NY-registered attorneys they list (~909 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2007)
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 Jersey City, NJ
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Compare Janet Costello with similar attorneys in Jersey City.
Compare attorneys →Before you rely on this record
Janet Costello's "Currently registered" listing confirms bar standing only, it is a registration fact to verify, not a verdict on quality or competence.
Frequently Asked Questions
Where is Janet Costello licensed?
Janet Costello is licensed to practice law in New York.
When was Janet Costello admitted to the bar?
Janet Costello was admitted to the bar in 2007.
Where did Janet Costello go to law school?
Janet Costello attended Seton Hall University School of Law.
What company does Janet Costello work for?
Janet Costello is associated with Office Of The Public Defender in Jersey City, NJ.
Is Janet Costello in good standing?
Yes, Janet Costello holds active bar status ("Currently registered").
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.