New York attorney record · Judicial Dept 3
Timothy Michael Callahan
The George Washington University Law School alumna, admitted to the New York bar in 2011, registered office in Chantilly, VA. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2011
- Admitted
- 15
- Years in bar
- 4928784
- NY reg #
The record in one line
Timothy Michael Callahan has held an active New York bar license for 15 years - admitted in 2011, longer-tenured than 38% of the state's currently-active attorneys.
- 15 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #18 of 24
- by tenure in Chantilly office peers
- Law school
- The George Washington University Law School
Data updated August 2026
What this profile tells you
Bar status & tenure
Timothy Michael Callahan carries New York bar registration 4928784, 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
The attorney's registration lists a business address in Chantilly, VA, ZIP 20152. Educational background: THE GEORGE WASHINGTON UNIVERSITY LAW SCHOOL (370 registered alumni).
State context & due diligence
With an established practice on record, Timothy Michael Callahan 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
Timothy Michael Callahan was admitted in 2011, giving 15 years on the New York register.
15 years on the New York bar
Years since admission, all currently-active NY attorneys
15 Top 62% higher than 38% 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 · August 2026
Tenure among Chantilly, VA office peers
In the small Chantilly, VA cohort (24 with admission years), Timothy Michael Callahan ranks #18 by tenure. See the Chantilly attorney directory .
- Local rank
- #18
- City cohort
- 24
- Local percentile
- 71st
- Admitted
- 2011
Nearest tenure peers in Chantilly
- Jonathan K. Allen admitted 2010 · 16 yr
- Karin Hashem Kazzi admitted 2012 · 14 yr
- Aikaterini Despoina Callahan admitted 2013 · 13 yr
- May Kim Eunjung Song admitted 2009 · 17 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 August 2026. Derived local rank, not published upstream.
How Timothy compares to fellow The George Washington University Law School alumni
Among the 369 The George Washington University Law School graduates in the New York register, Timothy Michael Callahan is longer-tenured than 60%.
15 years vs. The George Washington University Law School alumni
Years since admission - 369 NY-registered alumni of this school
15 Top 40% higher than 60% of 369 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 · August 2026
The George Washington University Law School's active-bar rate
Of The George Washington University Law School's 370 alumni in the New York register, 79.7% currently hold "Currently registered" status, above the statewide average.
The 2011 admission class today
Of the 9,856 attorneys admitted to the New York bar in 2011, 88.5% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 4928784
- Year Admitted
- 2011 (15 yrs · senior)
- Judicial Department
- 3
- Next Registration
- Jul 2027
Location & Contact
- City
- Chantilly, VA
- ZIP Code
- 20152
- Phone
- (770) 377-9261
Status Distribution Across the New York Bar
Timothy Michael Callahan'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 The George Washington University Law School alumni
Fellow alumni on the NY register whose admission year is closest to 2011 .
Same admission year (2011), other cities
NY-registered attorneys admitted in 2011 whose listed office city differs from Chantilly, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Timothy Michael Callahan: closest NY bar admission year outside VA, and closest out-of-state office cities by how many NY-registered attorneys they list (~25 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2011)
Counts come from the NY State Office of Court Administration registration extract; peers are not a competence or practice-area ranking.
Verify This Attorney
Verify on NY Courts Attorney SearchNearby Attorneys in Chantilly, VA
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Compare Timothy Michael Callahan with similar attorneys in Chantilly.
Compare attorneys →Before you rely on this record
Timothy Michael Callahan'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 Timothy Callahan licensed?
Timothy Callahan is licensed to practice law in New York.
When was Timothy Michael Callahan admitted to the bar?
Timothy Michael Callahan was admitted to the bar in 2011.
Where did Timothy Michael Callahan go to law school?
Timothy Michael Callahan attended THE GEORGE WASHINGTON UNIVERSITY LAW SCHOOL.
Is Timothy Michael Callahan in good standing?
Yes, Timothy Michael Callahan 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.