New York attorney record · Judicial Dept 1
William James Foster Iv
Cornell alumna, admitted to the New York bar in 1973, registered office in Larchmont, NY. A half-lifetime's worth of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1973
- Admitted
- 53
- Years in bar
- 1202407
- NY reg #
The record in one line
William James Foster Iv has spent 53 years on the register since admission in 1973, one of the longest-standing active practitioners the state bar carries at 96% tenure percentile.
- 53 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #30 of 194
- by tenure in Larchmont office peers
- Law school
- Cornell
Data updated September 2026
What this profile tells you
Bar status & tenure
William James Foster Iv has carried New York bar registration 1202407 for the better part of a career, still active and in 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 Mcmillan, Constabile, Foster & Perone, LLP, located in Larchmont, NY (Westchester County), ZIP 10538. Educational background: CORNELL.
State context & due diligence
Across a career spanning 53 years, William James Foster Iv 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 James Foster Iv's 53 years since a 1973 admission places this record near the far edge of the statewide tenure curve below.
53 years on the New York bar
Years since admission, all currently-active NY attorneys
53 Top 4% higher than 96% 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 Larchmont, NY office peers
William James Foster Iv is toward the newer end of Larchmont, NY's NY register cohort: #30 of 194 by years since admission. See the Larchmont attorney directory .
- Local rank
- #30
- City cohort
- 194
- Local percentile
- 15th
- Admitted
- 1973
Nearest tenure peers in Larchmont
- Doris Kobrin Shaw admitted 1973 · 53 yr
- Kenneth Marc Bialo admitted 1972 · 54 yr
- David Lawrence Birch admitted 1974 · 52 yr
- Ira Howard Block admitted 1972 · 54 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 Cornell alumni
Among the 1,212 Cornell graduates in the New York register, William James Foster Iv is longer-tenured than 99%.
53 years vs. Cornell alumni
Years since admission - 1,212 NY-registered alumni of this school
53 Top 1% higher than 99% of 1,212 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
The 1973 admission class today
Of the 2,460 attorneys admitted to the New York bar in 1973, 42% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 1202407
- Year Admitted
- 1973 (53 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Feb 2028
Location & Contact
- Company
- Mcmillan, Constabile, Foster & Perone, LLP
- City
- Larchmont, NY
- County
- Westchester
- ZIP Code
- 10538
- Phone
- (917) 859-6942
Education
CORNELL
Status Distribution Across the New York Bar
William James Foster Iv'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 Cornell alumni
Fellow alumni on the NY register whose admission year is closest to 1973 (excluding same-firm colleagues above).
Same admission year (1973), other cities
NY-registered attorneys admitted in 1973 whose listed office city differs from Larchmont, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for William James Foster Iv: closest NY bar admission year outside NY, and closest out-of-state office cities by how many NY-registered attorneys they list (~195 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1973)
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 James Foster Iv'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 Foster licensed?
William Foster is licensed to practice law in New York.
When was William James Foster Iv admitted to the bar?
William James Foster Iv's admission to the New York bar dates back to 1973.
Where did William James Foster Iv go to law school?
William James Foster Iv attended CORNELL.
What company does William James Foster Iv work for?
William James Foster Iv is associated with Mcmillan, Constabile, Foster & Perone, LLP in Larchmont, NY.
Is William James Foster Iv in good standing?
Yes, William James Foster Iv 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.