New York attorney record · Judicial Dept 3
Sarah Rosann Koster
New York Univ. alumna, admitted to the New York bar in 2008, registered office in Boston, MA. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2008
- Admitted
- 18
- Years in bar
- 4572178
- NY reg #
The record in one line
Sarah Rosann Koster has held an active New York bar license for 18 years - admitted in 2008, longer-tenured than 37% of the state's currently-active attorneys.
- 18 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 63%
- by tenure among active NY attorneys
- Law school
- New York Univ.
Data updated May 2026
What this profile tells you
Bar status & tenure
Sarah Rosann Koster carries New York bar registration 4572178, an established, active practitioner in good standing. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under United States Court Of Appeals, located in Boston, MA, ZIP 02210. 5 other attorneys share this firm affiliation in the registry. Educational background: NEW YORK UNIV..
State context & due diligence
With an established practice on record, Sarah Rosann Koster 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
Sarah Rosann Koster was admitted in 2008, giving 18 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.
18 years on the New York bar
Years since admission, all currently-active NY attorneys
18 Top 63% higher than 37% 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
The 2008 admission class today
Of the 9,683 attorneys admitted to the New York bar in 2008, 68.2% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4572178
- Year Admitted
- 2008 (18 yrs · senior)
- Judicial Department
- 3
- Next Registration
- Aug 2026
Location & Contact
- Company
- United States Court Of Appeals
- City
- Boston, MA
- ZIP Code
- 02210
- Phone
- (617) 748-9139
Education
NEW YORK UNIV.
Status Distribution Across the New York Bar
Sarah Rosann Koster'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.
Other Attorneys at United States Court Of Appeals
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Compare attorneys →Before you rely on this record
Sarah Rosann Koster'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 Sarah Koster licensed?
Sarah Koster is licensed to practice law in New York.
When was Sarah Rosann Koster admitted to the bar?
Sarah Rosann Koster was admitted to the bar in 2008.
Where did Sarah Rosann Koster go to law school?
Sarah Rosann Koster attended NEW YORK UNIV..
What company does Sarah Rosann Koster work for?
Sarah Rosann Koster is associated with United States Court Of Appeals in Boston, MA.
Is Sarah Rosann Koster in good standing?
Yes, Sarah Rosann Koster 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.