New York attorney record · Judicial Dept 3
Terrance Arthur Costello
William Mitchell College alumna, admitted to the New York bar in 1987, registered office in Saint Paul, MN. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 1987
- Admitted
- 39
- Years in bar
- 2146124
- NY reg #
The record in one line
With 39 years on the register since a 1987 admission, Terrance Arthur Costello ranks among the New York bar's most senior active practitioners, longer-tenured than 79% of the currently-active bar.
- 39 yrs
- in active practice since admission
- Active
- current bar status: "Currently registered"
- #2 of 87
- by tenure in Saint Paul office peers
- Law school
- William Mitchell College
Data updated August 2026
What this profile tells you
Bar status & tenure
Registration 2146124 with the New York bar authority has long belonged to Terrance Arthur Costello, a veteran practitioner still in active 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 Terrance A. Costello, Attorney At Law, PLLC, located in Saint Paul, MN, ZIP 55107. Educational background: WILLIAM MITCHELL COLLEGE (35 registered alumni).
State context & due diligence
After 39 years on the register, Terrance Arthur Costello 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 Terrance Arthur Costello's 39 years since admission in 1987.
39 years on the New York bar
Years since admission, all currently-active NY attorneys
39 Top 21% higher than 79% 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 Saint Paul, MN office peers
Terrance Arthur Costello is toward the newer end of Saint Paul, MN's NY register cohort: #2 of 87 by years since admission. See the Saint Paul attorney directory .
- Local rank
- #2
- City cohort
- 87
- Local percentile
- 1st
- Admitted
- 1987
Nearest tenure peers in Saint Paul
- Sharon Beth Press admitted 1987 · 39 yr
- John Thomas Siegler admitted 1988 · 38 yr
- Francis Joseph Connolly admitted 1985 · 41 yr
- Afsheen Radsan admitted 1990 · 36 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.
William Mitchell College's active-bar rate
Of William Mitchell College's 35 alumni in the New York register, 34.3% currently hold "Currently registered" status, below the statewide average.
The 1987 admission class today
Of the 5,948 attorneys admitted to the New York bar in 1987, 73.4% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Currently registered
- Registration Number
- 2146124
- Year Admitted
- 1987 (39 yrs · veteran)
- Judicial Department
- 3
- Next Registration
- Oct 2027
Location & Contact
- Company
- Terrance A. Costello, Attorney At Law, PLLC
- City
- Saint Paul, MN
- ZIP Code
- 55107
- Phone
- (651) 246-5459
Education
Status Distribution Across the New York Bar
Terrance Arthur Costello'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 William Mitchell College alumni
Fellow alumni on the NY register whose admission year is closest to 1987 (excluding same-firm colleagues above).
Same admission year (1987), other cities
NY-registered attorneys admitted in 1987 whose listed office city differs from Saint Paul, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Terrance Arthur Costello: closest NY bar admission year outside MN, and closest out-of-state office cities by how many NY-registered attorneys they list (~88 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~1987)
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 Saint Paul, MN
Compare credentials side-by-side
Compare Terrance Arthur Costello with similar attorneys in Saint Paul.
Compare attorneys →Before you rely on this record
Terrance Arthur Costello'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 Terrance Costello licensed?
Terrance Costello is licensed to practice law in New York.
When was Terrance Arthur Costello admitted to the bar?
Terrance Arthur Costello's admission to the New York bar dates back to 1987.
Where did Terrance Arthur Costello go to law school?
Terrance Arthur Costello attended WILLIAM MITCHELL COLLEGE.
What company does Terrance Arthur Costello work for?
Terrance Arthur Costello is associated with Terrance A. Costello, Attorney At Law, PLLC in Saint Paul, MN.
Is Terrance Arthur Costello in good standing?
Yes, Terrance Arthur Costello 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.