New York attorney record · Judicial Dept 2
William Francis Mastro
New York Law School alumna, admitted to the New York bar in 1979, registered office in Staten Island, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1979
- Admitted
- 47
- Years in bar
- 1075860
- NY reg #
The record in one line
William Francis Mastro has spent 47 years on the register since admission in 1979, one of the longest-standing active practitioners the state bar carries at 92% tenure percentile.
- 47 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #99 of 1,107
- by tenure in Staten Island office peers
- Law school
- New York Law School
Data updated September 2026
What this profile tells you
Bar status & tenure
William Francis Mastro has carried New York bar registration 1075860 for the better part of a career, still active and in good standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
The attorney's registration lists a business address in Staten Island, NY (Richmond County), ZIP 10301. Educational background: New York Law School (15,933 registered alumni).
State context & due diligence
Across a career spanning 47 years, William Francis Mastro 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
William Francis Mastro's 47 years since a 1979 admission places this record near the far edge of the statewide tenure curve below.
47 years on the New York bar
Years since admission, all currently-active NY attorneys
47 Top 8% higher than 92% 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 Staten Island, NY office peers
William Francis Mastro is earlier in the Staten Island, NY office cohort than most peers: local tenure rank #99 of 1,107 (9th percentile). See the Staten Island attorney directory .
- Local rank
- #99
- City cohort
- 1,107
- Local percentile
- 9th
- Admitted
- 1979
Nearest tenure peers in Staten Island
- Robert Marshall Cohen admitted 1979 · 47 yr
- John M. Dalton admitted 1979 · 47 yr
- John F. Grandinetti admitted 1979 · 47 yr
- Lila R. Levey admitted 1979 · 47 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 William compares to fellow New York Law School alumni
Among the 8,212 New York Law School graduates in the New York register, William Francis Mastro is longer-tenured than 99%.
47 years vs. New York Law School alumni
Years since admission - 8,212 NY-registered alumni of this school
47 Top 1% higher than 99% of 8,212 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
New York Law School's active-bar rate
Of New York Law School's 15,933 alumni in the New York register, 69.1% currently hold "Currently registered" status, above the statewide average.
The 1979 admission class today
Of the 3,974 attorneys admitted to the New York bar in 1979, 53.9% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1075860
- Year Admitted
- 1979 (47 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- Jan 2028
Location & Contact
- City
- Staten Island, NY
- County
- Richmond
- ZIP Code
- 10301
- Phone
- (917) 757-3073
Education
Status Distribution Across the New York Bar
William Francis Mastro'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 New York Law School alumni
Fellow alumni on the NY register whose admission year is closest to 1979 .
Same admission year (1979), other cities
NY-registered attorneys admitted in 1979 whose listed office city differs from Staten Island, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for William Francis Mastro: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~1,108 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1979)
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
William Francis Mastro'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 William Mastro licensed?
William Mastro is licensed to practice law in New York.
When was William Francis Mastro admitted to the bar?
William Francis Mastro's admission to the New York bar dates back to 1979.
Where did William Francis Mastro go to law school?
William Francis Mastro attended New York Law School.
Is William Francis Mastro in good standing?
Yes, William Francis Mastro 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.