New York attorney record · Judicial Dept 4
Mark Joseph Peszko
University Of Tulsa alumna, admitted to the New York bar in 1986, registered office in Buffalo, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1986
- Admitted
- 40
- Years in bar
- 2021988
- NY reg #
The record in one line
Mark Joseph Peszko has spent 40 years on the register since admission in 1986, one of the longest-standing active practitioners the state bar carries at 86% tenure percentile.
- 40 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #497 of 3,464
- by tenure in Buffalo office peers
- Law school
- University Of Tulsa
Data updated August 2026
What this profile tells you
Bar status & tenure
Mark Joseph Peszko has carried New York bar registration 2021988 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 Mark J Peszko Attorney At Law, located in Buffalo, NY (Erie County), ZIP 14203. Educational background: UNIVERSITY OF TULSA (62 registered alumni).
State context & due diligence
Across a career spanning 40 years, Mark Joseph Peszko 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
Mark Joseph Peszko's 40 years since a 1986 admission places this record near the far edge of the statewide tenure curve below.
40 years on the New York bar
Years since admission, all currently-active NY attorneys
40 Top 14% higher than 86% 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 Buffalo, NY office peers
Mark Joseph Peszko is earlier in the Buffalo, NY office cohort than most peers: local tenure rank #497 of 3,464 (14th percentile). See the Buffalo attorney directory .
- Local rank
- #497
- City cohort
- 3,464
- Local percentile
- 14th
- Admitted
- 1986
Nearest tenure peers in Buffalo
- James Robert Arnone admitted 1986 · 40 yr
- Jill K. Bond admitted 1986 · 40 yr
- Peter K. Bradley admitted 1986 · 40 yr
- Donna Marie Castiglione admitted 1986 · 40 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 Mark compares to fellow University Of Tulsa alumni
Among the 53 University Of Tulsa graduates in the New York register, Mark Joseph Peszko is longer-tenured than 74%.
40 years vs. University Of Tulsa alumni
Years since admission - 53 NY-registered alumni of this school
40 Top 26% higher than 74% of 53 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
University Of Tulsa's active-bar rate
Of University Of Tulsa's 62 alumni in the New York register, 61.3% currently hold "Currently registered" status, below the statewide average.
The 1986 admission class today
Of the 6,111 attorneys admitted to the New York bar in 1986, 57.1% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2021988
- Year Admitted
- 1986 (40 yrs · veteran)
- Judicial Department
- 4
- Next Registration
- Jul 2028
Location & Contact
- Company
- Mark J Peszko Attorney At Law
- City
- Buffalo, NY
- County
- Erie
- ZIP Code
- 14203
- Phone
- (716) 855-1921
Education
Status Distribution Across the New York Bar
Mark Joseph Peszko'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.
Near-tenure University Of Tulsa alumni
Fellow alumni on the NY register whose admission year is closest to 1986 (excluding same-firm colleagues above).
Same admission year (1986), other cities
NY-registered attorneys admitted in 1986 whose listed office city differs from Buffalo, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Mark Joseph Peszko: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~3,465 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1986)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
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Compare attorneys →Before you rely on this record
Mark Joseph Peszko'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 Mark Peszko licensed?
Mark Peszko is licensed to practice law in New York.
When was Mark Joseph Peszko admitted to the bar?
Mark Joseph Peszko's admission to the New York bar dates back to 1986.
Where did Mark Joseph Peszko go to law school?
Mark Joseph Peszko attended UNIVERSITY OF TULSA.
What company does Mark Joseph Peszko work for?
Mark Joseph Peszko is associated with Mark J Peszko Attorney At Law in Buffalo, NY.
Is Mark Joseph Peszko in good standing?
Yes, Mark Joseph Peszko 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.