New York attorney record · Judicial Dept 4
David Glenn Mashewske
Suny At Buffalo alumna, admitted to the New York bar in 1998, registered office in Penn Yan, NY. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1998
- Admitted
- 28
- Years in bar
- 2863066
- NY reg #
The record in one line
With 28 years on the register since a 1998 admission, David Glenn Mashewske ranks among the New York bar's most senior active practitioners, longer-tenured than 61% of the currently-active bar.
- 28 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 39%
- by tenure among active NY attorneys
- Law school
- Suny At Buffalo
Data updated May 2026
What this profile tells you
Bar status & tenure
Registration 2863066 with the New York bar authority has long belonged to David Glenn Mashewske, a veteran practitioner still in active 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 Mashewske Law Office, PLLC, located in Penn Yan, NY (Yates County), ZIP 14527. Educational background: SUNY AT BUFFALO (2,951 registered alumni).
State context & due diligence
After 28 years on the register, David Glenn Mashewske still falls within the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Few active New York attorneys match David Glenn Mashewske's 28 years since admission in 1998. The histogram plots that tenure against every currently-active attorney in the state.
28 years on the New York bar
Years since admission, all currently-active NY attorneys
28 Top 39% higher than 61% 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
How David compares to fellow Suny At Buffalo alumni
Among the 1,248 Suny At Buffalo graduates in the New York register, David Glenn Mashewske is longer-tenured than 10% - a school-cohort view of experience, alongside the statewide one above.
28 years vs. Suny At Buffalo alumni
Years since admission - 1,248 NY-registered alumni of this school
28 Top 90% higher than 10% of 1,248 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
Suny At Buffalo's active-bar rate
Of Suny At Buffalo's 2,951 alumni in the New York register, 60.8% currently hold "Currently registered" status, below the statewide average.
Suny At Buffalo alumni, active-bar rate
The 1998 admission class today
Of the 7,302 attorneys admitted to the New York bar in 1998, 62.8% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2863066
- Year Admitted
- 1998 (28 yrs · veteran)
- Judicial Department
- 4
- Next Registration
- Feb 2028
Location & Contact
- Company
- Mashewske Law Office, PLLC
- City
- Penn Yan, NY
- County
- Yates
- ZIP Code
- 14527
- Phone
- (585) 478-5154
Education
Status Distribution Across the New York Bar
David Glenn Mashewske'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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Compare attorneys →Before you rely on this record
David Glenn Mashewske'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 David Mashewske licensed?
David Mashewske is licensed to practice law in New York.
When was David Glenn Mashewske admitted to the bar?
David Glenn Mashewske's admission to the New York bar dates back to 1998.
Where did David Glenn Mashewske go to law school?
David Glenn Mashewske attended SUNY AT BUFFALO.
What company does David Glenn Mashewske work for?
David Glenn Mashewske is associated with Mashewske Law Office, PLLC in Penn Yan, NY.
Is David Glenn Mashewske in good standing?
Yes, David Glenn Mashewske 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.