New York attorney record · Judicial Dept 2
Mark R. Guarriello
Touro College Fuchsberg Law Center alumna, admitted to the New York bar in 2012, registered office in Northport, NY. This record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2012
- Admitted
- 14
- Years in bar
- 5022512
- NY reg #
The record in one line
Admitted in 2012, Mark R. Guarriello has built 14 years of active New York practice - more tenure than 25% of the state's currently-active attorneys.
- 14 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #118 of 125
- by tenure in Northport office peers
- Law school
- Touro College Fuchsberg Law Center
Data updated September 2026
What this profile tells you
Bar status & tenure
Bar number 5022512 on the New York register belongs to Mark R. Guarriello, currently in active standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Mark R. Guarriello PLLC, located in Northport, NY (Suffolk County), ZIP 11768. Educational background: Touro College Fuchsberg Law Center.
State context & due diligence
Mark R. Guarriello is currently part of the New York bar's active cohort, a group the breakdown below sizes against the full register.
Experience vs. the active New York bar
14 years into an active New York practice since a 2012 admission, Mark R. Guarriello sits here on the statewide experience curve - taller bars hold more attorneys at that experience level.
14 years on the New York bar
Years since admission, all currently-active NY attorneys
14 Top 75% higher than 25% 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 Northport, NY office peers
In Northport, NY's NY-registered cohort of 125, Mark R. Guarriello sits at local tenure rank #118 (94th percentile). See the Northport attorney directory .
- Local rank
- #118
- City cohort
- 125
- Local percentile
- 94th
- Admitted
- 2012
Nearest tenure peers in Northport
- Andrew David Stein admitted 2012 · 14 yr
- Amarilda B. Fligstein admitted 2011 · 15 yr
- Emil Phillip Albanese admitted 2015 · 11 yr
- Timothy Gerard Baxley admitted 2009 · 17 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 Mark compares to fellow Touro College Fuchsberg Law Center alumni
Among the 893 Touro College Fuchsberg Law Center graduates in the New York register, Mark R. Guarriello is longer-tenured than 41%.
14 years vs. Touro College Fuchsberg Law Center alumni
Years since admission - 893 NY-registered alumni of this school
14 Top 59% higher than 41% of 893 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
The 2012 admission class today
Of the 9,632 attorneys admitted to the New York bar in 2012, 69.6% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 5022512
- Year Admitted
- 2012 (14 yrs · mid-career)
- Judicial Department
- 2
- Next Registration
- Jul 2028
Location & Contact
- Company
- Mark R. Guarriello PLLC
- City
- Northport, NY
- County
- Suffolk
- ZIP Code
- 11768
- Phone
- (631) 759-7821
Education
Touro College Fuchsberg Law Center
Status Distribution Across the New York Bar
Mark R. Guarriello'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 Touro College Fuchsberg Law Center alumni
Fellow alumni on the NY register whose admission year is closest to 2012 (excluding same-firm colleagues above).
Same admission year (2012), other cities
NY-registered attorneys admitted in 2012 whose listed office city differs from Northport, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Mark R. Guarriello: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~126 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2012)
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 R. Guarriello'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 Guarriello licensed?
Mark Guarriello is licensed to practice law in New York.
When was Mark R. Guarriello admitted to the bar?
Mark R. Guarriello has been on the New York bar register since 2012.
Where did Mark R. Guarriello go to law school?
Mark R. Guarriello attended Touro College Fuchsberg Law Center.
What company does Mark R. Guarriello work for?
Mark R. Guarriello is associated with Mark R. Guarriello PLLC in Northport, NY.
Is Mark R. Guarriello in good standing?
Yes, Mark R. Guarriello 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.