New York attorney record · Judicial Dept 4
Kyle Michael Costello
University Of Buffalo alumna, admitted to the New York bar in 2006, registered office in Williamsville, NY. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2006
- Admitted
- 20
- Years in bar
- 4370946
- NY reg #
The record in one line
Kyle Michael Costello has held an active New York bar license for 20 years - admitted in 2006, longer-tenured than 51% of the state's currently-active attorneys.
- 20 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 49%
- by tenure among active NY attorneys
- Law school
- University Of Buffalo
Data updated May 2026
What this profile tells you
Bar status & tenure
Kyle Michael Costello carries New York bar registration 4370946, an established, active practitioner in good standing. Registration is recorded within Judicial Department 4, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under The Law Office Of H. Jeffrey Marcus, located in Williamsville, NY (Erie County), ZIP 14221. Educational background: UNIVERSITY OF BUFFALO (928 registered alumni).
State context & due diligence
With an established practice on record, Kyle Michael Costello remains inside the New York bar's active cohort - see below for how that share of the register compares.
Experience vs. the active New York bar
Kyle Michael Costello was admitted in 2006, giving 20 years on the New York register. The histogram places that tenure against every currently-active attorney in the state, taller bars hold more attorneys at that experience level.
20 years on the New York bar
Years since admission, all currently-active NY attorneys
20 Top 49% higher than 51% 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 Kyle compares to fellow University Of Buffalo alumni
Among the 316 University Of Buffalo graduates in the New York register, Kyle Michael Costello is longer-tenured than 7% - a school-cohort view of experience, alongside the statewide one above.
20 years vs. University Of Buffalo alumni
Years since admission - 316 NY-registered alumni of this school
20 Top 93% higher than 7% of 316 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
University Of Buffalo's active-bar rate
Of University Of Buffalo's 928 alumni in the New York register, 37% currently hold "Currently registered" status, below the statewide average.
University Of Buffalo alumni, active-bar rate
The 2006 admission class today
Of the 8,638 attorneys admitted to the New York bar in 2006, 67.6% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4370946
- Year Admitted
- 2006 (20 yrs · senior)
- Judicial Department
- 4
- Next Registration
- Sep 2026
Location & Contact
- Company
- The Law Office Of H. Jeffrey Marcus
- City
- Williamsville, NY
- County
- Erie
- ZIP Code
- 14221
- Phone
- (716) 868-4542
Education
Status Distribution Across the New York Bar
Kyle Michael Costello'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.
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Compare Kyle Michael Costello with similar attorneys in Williamsville.
Compare attorneys →Before you rely on this record
Kyle Michael Costello'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 Kyle Costello licensed?
Kyle Costello is licensed to practice law in New York.
When was Kyle Michael Costello admitted to the bar?
Kyle Michael Costello was admitted to the bar in 2006.
Where did Kyle Michael Costello go to law school?
Kyle Michael Costello attended UNIVERSITY OF BUFFALO.
What company does Kyle Michael Costello work for?
Kyle Michael Costello is associated with The Law Office Of H. Jeffrey Marcus in Williamsville, NY.
Is Kyle Michael Costello in good standing?
Yes, Kyle Michael Costello 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.