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 62% of the currently-active bar.
- 28 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #53 of 312
- by tenure in Oakland office peers
- Law school
- Boston University
Data updated September 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.
28 years on the New York bar
Years since admission, all currently-active NY attorneys
28 Top 38% higher than 62% 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 · September 2026
Tenure among Oakland, CA office peers
Most of the 312 NY-registered attorneys in Oakland, CA outrank Delida Aniz Costin on tenure; this record sits at the 17th local percentile (rank #53). See the Oakland attorney directory .
- Local rank
- #53
- City cohort
- 312
- Local percentile
- 17th
- Admitted
- 1998
Nearest tenure peers in Oakland
- Elliot Reuben Basner admitted 1998 · 28 yr
- Nicomedes Sy Herrera admitted 1998 · 28 yr
- Jenny Chi-Chin Huang admitted 1998 · 28 yr
- Laura Susanne Kelly admitted 1998 · 28 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 September 2026. Derived local rank, not published upstream.
How Delida compares to fellow Boston University alumni
Among the 1,948 Boston University graduates in the New York register, Delida Aniz Costin is longer-tenured than 38%.
28 years vs. Boston University alumni
Years since admission - 1,948 NY-registered alumni of this school
28 Top 62% higher than 38% of 1,948 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 · September 2026
The 1998 admission class today
Of the 7,302 attorneys admitted to the New York bar in 1998, 62.9% 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 2028
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 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 Boston University alumni
Fellow alumni on the NY register whose admission year is closest to 1998 .
Same admission year (1998), other cities
NY-registered attorneys admitted in 1998 whose listed office city differs from Oakland, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Delida Aniz Costin: closest NY bar admission year outside CA, and closest out-of-state office cities by how many NY-registered attorneys they list (~313 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1998)
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 Oakland, CA
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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").
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.