New York attorney record · Judicial Dept 2
Delida Aniz Costin
Boston University alumna, admitted to the New York bar in 1998, registered office in Oakland, CA. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1998
- Admitted
- 28
- Years in bar
- 2855419
- NY reg #
The record in one line
With 28 years on the register since a 1998 admission, Delida Aniz Costin ranks among the New York bar's most senior active practitioners, longer-tenured than 61% of the currently-active bar.
- 28 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- Top 39%
- by tenure among active NY attorneys
- Law school
- Boston University
Data updated May 2026
What this profile tells you
Bar status & tenure
Registration 2855419 with the New York bar authority has long belonged to Delida Aniz Costin, a veteran practitioner still in active good standing. Registration is recorded within Judicial Department 2, the appellate division overseeing this attorney's home district.
Practice context & education
The attorney's registration lists a business address in Oakland, CA, ZIP 94602. Educational background: BOSTON UNIVERSITY.
State context & due diligence
After 28 years on the register, Delida Aniz Costin still falls within the New York bar's active cohort, a share of the register detailed further below.
Experience vs. the active New York bar
Few active New York attorneys match Delida Aniz Costin's 28 years since admission in 1998. The histogram plots that tenure against every currently-active attorney in the state.
28 years on the New York bar
Years since admission, all currently-active NY attorneys
28 Top 39% higher than 61% 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 Delida compares to fellow Boston University alumni
Among the 1,967 Boston University graduates in the New York register, Delida Aniz Costin is longer-tenured than 39% - a school-cohort view of experience, alongside the statewide one above.
28 years vs. Boston University alumni
Years since admission - 1,967 NY-registered alumni of this school
28 Top 61% higher than 39% of 1,967 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
The 1998 admission class today
Of the 7,302 attorneys admitted to the New York bar in 1998, 62.8% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2855419
- Year Admitted
- 1998 (28 yrs · veteran)
- Judicial Department
- 2
- Next Registration
- Jul 2026
Location & Contact
- City
- Oakland, CA
- ZIP Code
- 94602
- Phone
- (510) 530-0215
Education
BOSTON UNIVERSITY
Status Distribution Across the New York Bar
Delida Aniz Costin'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 attorneys →Before you rely on this record
Delida Aniz Costin'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 Delida Costin licensed?
Delida Costin is licensed to practice law in New York.
When was Delida Aniz Costin admitted to the bar?
Delida Aniz Costin's admission to the New York bar dates back to 1998.
Where did Delida Aniz Costin go to law school?
Delida Aniz Costin attended BOSTON UNIVERSITY.
Is Delida Aniz Costin in good standing?
Yes, Delida Aniz Costin 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.