New York attorney record · Judicial Dept 1
Matthew Mcdonnell Riordan
Indiana University alumna, admitted to the New York bar in 1999, registered office in Monsey, NY. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1999
- Admitted
- 27
- Years in bar
- 2968832
- NY reg #
The record in one line
With 27 years on the register since a 1999 admission, Matthew Mcdonnell Riordan ranks among the New York bar's most senior active practitioners, longer-tenured than 61% of the currently-active bar.
- 27 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 39%
- by tenure among active NY attorneys
- Law school
- Indiana University
Data updated May 2026
What this profile tells you
Bar status & tenure
Registration 2968832 with the New York bar authority has long belonged to Matthew Mcdonnell Riordan, a veteran practitioner still in active 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 Mbj Law PLLC, located in Monsey, NY (Rockland County), ZIP 10952. 4 other attorneys share this firm affiliation in the registry. Educational background: INDIANA UNIVERSITY (218 registered alumni).
State context & due diligence
After 27 years on the register, Matthew Mcdonnell Riordan 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 Matthew Mcdonnell Riordan's 27 years since admission in 1999. The histogram plots that tenure against every currently-active attorney in the state.
27 years on the New York bar
Years since admission, all currently-active NY attorneys
27 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 Matthew compares to fellow Indiana University alumni
Among the 156 Indiana University graduates in the New York register, Matthew Mcdonnell Riordan is longer-tenured than 47% - a school-cohort view of experience, alongside the statewide one above.
27 years vs. Indiana University alumni
Years since admission - 156 NY-registered alumni of this school
27 Top 53% higher than 47% of 156 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
Indiana University's active-bar rate
Of Indiana University's 218 alumni in the New York register, 52.3% currently hold "Currently registered" status, below the statewide average.
Indiana University alumni, active-bar rate
The 1999 admission class today
Of the 7,628 attorneys admitted to the New York bar in 1999, 79.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2968832
- Year Admitted
- 1999 (27 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Dec 2027
Location & Contact
- Company
- Mbj Law PLLC
- City
- Monsey, NY
- County
- Rockland
- ZIP Code
- 10952
- Phone
- (914) 292-0230
Education
Status Distribution Across the New York Bar
Matthew Mcdonnell Riordan'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.
Other Attorneys at Mbj Law PLLC
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Compare attorneys →Before you rely on this record
Matthew Mcdonnell Riordan'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 Matthew Riordan licensed?
Matthew Riordan is licensed to practice law in New York.
When was Matthew Mcdonnell Riordan admitted to the bar?
Matthew Mcdonnell Riordan's admission to the New York bar dates back to 1999.
Where did Matthew Mcdonnell Riordan go to law school?
Matthew Mcdonnell Riordan attended INDIANA UNIVERSITY.
What company does Matthew Mcdonnell Riordan work for?
Matthew Mcdonnell Riordan is associated with Mbj Law PLLC in Monsey, NY.
Is Matthew Mcdonnell Riordan in good standing?
Yes, Matthew Mcdonnell Riordan 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.