New York attorney record · Judicial Dept 4
John Joseph Costello
Mcgeorge alumna, admitted to the New York bar in 1980, registered office in Rochester, NY. 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
- 2084473
- NY reg #
The record in one line
John Joseph Costello has spent 46 years on the register since admission in 1980, one of the longest-standing active practitioners the state bar carries at 92% tenure percentile.
- 46 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 8%
- by tenure among active NY attorneys
- Law school
- Mcgeorge
Data updated May 2026
What this profile tells you
Bar status & tenure
John Joseph Costello has carried New York bar registration 2084473 for the better part of a career, still active and in good standing. Registration is recorded within Judicial Department 4, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under John J Costello PC, located in Rochester, NY (Monroe County), ZIP 14614. Educational background: MCGEORGE (21 registered alumni).
State context & due diligence
Across a career spanning 46 years, John Joseph Costello has remained part of the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
John Joseph Costello's 46 years since a 1980 admission places this record near the far edge of the statewide tenure curve below.
46 years on the New York bar
Years since admission, all currently-active NY attorneys
46 Top 8% higher than 92% of 284,296 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 · May 2026
Mcgeorge's active-bar rate
Of Mcgeorge's 21 alumni in the New York register, 52.4% currently hold "Currently registered" status, below the statewide average.
Mcgeorge 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
- Currently registered
- Registration Number
- 2084473
- Year Admitted
- 1980 (46 yrs · veteran)
- Judicial Department
- 4
- Next Registration
- Sep 2026
Location & Contact
- Company
- John J Costello PC
- City
- Rochester, NY
- County
- Monroe
- ZIP Code
- 14614
- Phone
- (585) 546-5960
Education
Status Distribution Across the New York Bar
John Joseph Costello's current status, "Currently registered", places this attorney in 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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John Joseph 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 John Costello licensed?
John Costello is licensed to practice law in New York.
When was John Joseph Costello admitted to the bar?
John Joseph Costello's admission to the New York bar dates back to 1980.
Where did John Joseph Costello go to law school?
John Joseph Costello attended MCGEORGE.
What company does John Joseph Costello work for?
John Joseph Costello is associated with John J Costello PC in Rochester, NY.
Is John Joseph Costello in good standing?
Yes, John Joseph Costello holds active bar status ("Currently registered").
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.