New York attorney record · Judicial Dept 3
Peter Charles Horstmann
Suffolk University alumna, admitted to the New York bar in 1991, registered office in Auburndale, MA. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1991
- Admitted
- 35
- Years in bar
- 2391100
- NY reg #
The record in one line
With 35 years on the register since a 1991 admission, Peter Charles Horstmann ranks among the New York bar's most senior active practitioners, longer-tenured than 79% of the currently-active bar.
- 35 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #4 of 9
- by tenure in Auburndale office peers
- Law school
- Suffolk University
Data updated September 2026
What this profile tells you
Bar status & tenure
Registration 2391100 with the New York bar authority has long belonged to Peter Charles Horstmann, a veteran practitioner still in active good standing. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Law Offices Of Peter Charles Horstmann, located in Auburndale, MA, ZIP 02466. Educational background: SUFFOLK UNIVERSITY (530 registered alumni).
State context & due diligence
After 35 years on the register, Peter Charles Horstmann 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 Peter Charles Horstmann's 35 years since admission in 1991.
35 years on the New York bar
Years since admission, all currently-active NY attorneys
35 Top 21% higher than 79% 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 · September 2026
Tenure among Auburndale, MA office peers
Within Auburndale, MA's 9-attorney local set, Peter Charles Horstmann is #4 by tenure, a small-cohort read, not a statewide claim. See the Auburndale attorney directory .
- Local rank
- #4
- City cohort
- 9
- Local percentile
- 33rd
- Admitted
- 1991
Nearest tenure peers in Auburndale
- Felicia Falchuk admitted 1995 · 31 yr
- Martin Francis Mahoney Ii admitted 1997 · 29 yr
- Richard Kenneth Dinjian Jr admitted 1998 · 28 yr
- Stephen Robert Seiler admitted 1983 · 43 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 September 2026. Derived local rank, not published upstream.
How Peter compares to fellow Suffolk University alumni
Among the 351 Suffolk University graduates in the New York register, Peter Charles Horstmann is longer-tenured than 83%.
35 years vs. Suffolk University alumni
Years since admission - 351 NY-registered alumni of this school
35 Top 17% higher than 83% of 351 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 · September 2026
Suffolk University's active-bar rate
Of Suffolk University's 530 alumni in the New York register, 61.1% currently hold "Currently registered" status, below the statewide average.
The 1991 admission class today
Of the 6,456 attorneys admitted to the New York bar in 1991, 75.3% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2391100
- Year Admitted
- 1991 (35 yrs · veteran)
- Judicial Department
- 3
- Next Registration
- Feb 2027
Location & Contact
- Company
- Law Offices Of Peter Charles Horstmann
- City
- Auburndale, MA
- ZIP Code
- 02466
- Phone
- (617) 519-9011
Education
Status Distribution Across the New York Bar
Peter Charles Horstmann'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 Suffolk University alumni
Fellow alumni on the NY register whose admission year is closest to 1991 (excluding same-firm colleagues above).
Same admission year (1991), other cities
NY-registered attorneys admitted in 1991 whose listed office city differs from Auburndale, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Peter Charles Horstmann: closest NY bar admission year outside MA, and closest out-of-state office cities by how many NY-registered attorneys they list (~10 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1991)
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 Auburndale, MA
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Compare Peter Charles Horstmann with similar attorneys in Auburndale.
Compare attorneys →Before you rely on this record
Peter Charles Horstmann'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 Peter Horstmann licensed?
Peter Horstmann is licensed to practice law in New York.
When was Peter Charles Horstmann admitted to the bar?
Peter Charles Horstmann's admission to the New York bar dates back to 1991.
Where did Peter Charles Horstmann go to law school?
Peter Charles Horstmann attended SUFFOLK UNIVERSITY.
What company does Peter Charles Horstmann work for?
Peter Charles Horstmann is associated with Law Offices Of Peter Charles Horstmann in Auburndale, MA.
Is Peter Charles Horstmann in good standing?
Yes, Peter Charles Horstmann 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.