New York attorney record
Sarah Rosann Koster
Sarah Rosann Koster is an attorney registered with the NYS Office of Court Administration (OCA) Attorney Registration Unit under bar number 4572178, admitted in 2008. The current public license status is "Currently registered" as of 2026-06-13.
Active license with no disbarment or suspension of record.
The current license status of record is active, and no disbarment or suspension is reflected in the public record we hold.
A summary of the public record — not a rating of skill, not a recommendation, not legal advice.
Experience vs. active New York attorneys
State median: 20 yrs
18 yrs admitted — more experience than ~45% of active New York attorneys.
Years since admission, active New York attorneys with a published admission year (n = 333,133). This attorney's band is highlighted.
License & registration
| Full name | Sarah Rosann Koster |
|---|---|
| Bar / registration number | 4572178 |
| License status | Active official status of record: “Currently registered” |
| Admission year | 2008 |
| Law school | NEW YORK UNIV. |
| Business location | Boston, MA |
| Firm | United States Court of Appeals |
| Discipline standing | No disbarment or suspension is reflected in the current public status. Itemized disciplinary orders are not yet integrated for New York; see the official source for the full record. |
Federal court activity
Federal court activity has not been compiled for this attorney yet.
Source & last updated
Source: NYS Office of Court Administration (OCA) Attorney Registration Unit — official attorney record. As of 2026-06-13 (last roster ingest).
Frequently asked questions
Is Sarah Rosann Koster a licensed attorney in New York?
Sarah Rosann Koster is registered with the NYS Office of Court Administration (OCA) Attorney Registration Unit under bar number 4572178. The current public license status of record is "Currently registered" as of 2026-06-13.
Has Sarah Rosann Koster been disbarred or suspended?
No disbarment or suspension is reflected in Sarah Rosann Koster's current public license status of record per the NYS Office of Court Administration (OCA) Attorney Registration Unit.
What is Sarah Rosann Koster's bar number?
Sarah Rosann Koster's New York bar/registration number is 4572178, assigned by the NYS Office of Court Administration (OCA) Attorney Registration Unit. A bar number is the most reliable way to confirm you have the right attorney, especially for common names.
When was Sarah Rosann Koster admitted to practice law?
Sarah Rosann Koster was admitted in 2008 — about 18 years since admission per the NYS Office of Court Administration (OCA) Attorney Registration Unit. Law school of record: NEW YORK UNIV..
Where is Sarah Rosann Koster's law office?
The NYS Office of Court Administration (OCA) Attorney Registration Unit record lists a business location of Boston, MA and the firm United States Court of Appeals for Sarah Rosann Koster. Phone and email are not published in the public roster.
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