Kyle Michael Costello
On the New York attorney register since 2006 · office in Williamsville, NY
PlainAttorney’s reading of the public register file, not a court record.
- Registration No.
- 4370946
- Admitted
- 2006 · Fourth Department
- Status
- Currently registered
- Next registration
- Sep 2028
Kyle Michael Costello is currently registered on the New York attorney register file of Sep 29, 2026. Admitted in 2006 in the Fourth Department, with an office in Williamsville, NY; next registration due Sep 2028. Since Jul 3, 2026 it has moved only through the routine two-year cycle.
What this status means on the register
On the register, “Currently registered” means Kyle Michael Costello has filed the biennial registration the court system requires; the next one is due in Sep 2028.
- Due to re‑register to Currently registered the routine two-year cycle: the registration window closed with a filing
- Currently registered to Due to re‑register the routine two-year cycle: the registration window opened
- Currently registered the first file we hold
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; the Jul 3, 2026 and Aug 6, 2026 files for the history.
Others who list this employer on the register
The register gives this attorney’s employer as “The Law Office of H. Jeffrey Marcus”. We count that spelling with Law Offices of H. Jeffrey Marcus, P.C., the name most registrants give for the firm now; the register does not say where the attorney works today.
4 other attorneys list Law Offices of H. Jeffrey Marcus, P.C. or one of its other names as their employer on the register; 1 of them was admitted before 2006, and all 5 give an office in Williamsville, NY. The 4 whose admission is closest to 2006, earliest first:
| Attorney | Admitted | Status |
|---|---|---|
| Harold Jeffrey Marcus | 1991 | Currently registered |
| Wendy Marie Zimny | 2008 | Currently registered |
| Lisa Marie Gibertoni | 2011 | Currently registered |
| Kimberly Genieve McCoy | 2012 | Currently registered |
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; employer spellings merged (methodology).
Where this record sits on the register
Kyle Michael Costello studied at University at Buffalo School of Law (SUNY) (the register spells it “UNIVERSITY OF BUFFALO”). 1,839 of its 9,828 living graduates on the register were admitted in the 2000s, as Kyle Michael Costello was.
- Same law school
- 9,828living graduates; 90.9% registered (current or due), against 87.1% overall
- Office in Williamsville, NY
- 450living registrants
Of the 450 living registrants with an office in Williamsville, NY, 283 were admitted before 2006 and 162 after.
Source: NY Office of Court Administration, attorney registration file (data.ny.gov, dataset eqw2-r5nb), downloaded Sep 29, 2026; living registrants only.
Questions this record leads to
- University at Buffalo School of Law (SUNY) graduates on the register9,828 living, 90.9% registered.
- Attorneys with an office in Williamsville, NY450 living registrants give an office there.
- Erie County’s registered bar4,149 currently registered, 4.36 per 1,000 residents.
- Admitted in 20068,638 people admitted in 2006 are on the register, 310 of them through the Fourth Department.
- Every registration that reads “Currently registered”286,911 on the register file of Sep 29, 2026, by decade of admission.
- What a New York lawyer may chargeThe court rules on fees, retainers and fee disputes, each cited.
How to confirm it officially
For a statement of Kyle Michael Costello’s standing, contact the Attorney Registration Unit of the NY Office of Court Administration (nycourts.gov/attorneys), or ask the Appellate Division, Fourth Department, which admitted Kyle Michael Costello in 2006. A complaint about this attorney would go to the Fourth Department’s grievance committee, which covers Erie County, where the register places the office.
This page reads the register file of Sep 29, 2026, and the court system’s own search can be newer; the register shows only the current value, so a suspension that ended before the files we hold, or a censure, leaves no trace here (Appellate Division decisions are published through the court system’s Law Reporting Bureau).