New York attorney record · Judicial Dept 3
Martin John Costello
University Of Minnesota alumna, admitted to the New York bar in 2006, registered office in Minneapolis, MN. This established record's status, address, and registration history come straight from the NY Office of Court Administration.
- 2006
- Admitted
- 20
- Years in bar
- 4431946
- NY reg #
The record in one line
Martin John Costello appears in the New York attorney register with a current status of "Due to reregister within 30 days of birthday", on record since 2006 - an administrative designation rather than discipline, but confirm current standing with the state bar.
- 20 yrs
- since first admission to the bar
- Pending-renewal
- current bar status: "Due to reregister within 30 days of birthday"
- #144 of 379
- by tenure in Minneapolis office peers
- Law school
- University Of Minnesota
Data updated August 2026
What this profile tells you
Bar status & tenure
Martin John Costello is registered as bar number 4431946 with the New York bar authority, carrying a current status of "Due to reregister within 30 days of birthday", a routine periodic-renewal reminder, not discipline. Registration is recorded within Judicial Department 3, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Martin J. Costello, located in Minneapolis, MN, ZIP 55406. Educational background: UNIVERSITY OF MINNESOTA (330 registered alumni).
State context & due diligence
A "Due to reregister within 30 days of birthday" status falls outside the New York bar's active cohort for now. The breakdown below shows what share of the register that represents.
Tenure among Minneapolis, MN office peers
Most of the 379 NY-registered attorneys in Minneapolis, MN outrank Martin John Costello on tenure; this record sits at the 38th local percentile (rank #144). See the Minneapolis attorney directory .
- Local rank
- #144
- City cohort
- 379
- Local percentile
- 38th
- Admitted
- 2006
Nearest tenure peers in Minneapolis
- Franz Farnush Davis admitted 2006 · 20 yr
- Erin Devlin Doran admitted 2006 · 20 yr
- Yitzhak E. Hussein admitted 2006 · 20 yr
- Thomas Roy Lunde admitted 2006 · 20 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 Martin compares to fellow University Of Minnesota alumni
Among the 264 University Of Minnesota graduates in the New York register, Martin John Costello is longer-tenured than 42%.
20 years vs. University Of Minnesota alumni
Years since admission - 264 NY-registered alumni of this school
20 Top 58% higher than 42% of 264 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
University Of Minnesota's active-bar rate
Of University Of Minnesota's 330 alumni in the New York register, 64.2% currently hold "Currently registered" status, below the statewide average.
The 2006 admission class today
Of the 8,638 attorneys admitted to the New York bar in 2006, 66.6% are still "Currently registered" today, below the statewide average across all admission years.
Professional Details
- Status
- Due to reregister within 30 days of birthday
- Registration Number
- 4431946
- Year Admitted
- 2006 (20 yrs · senior)
- Judicial Department
- 3
- Next Registration
- Mar 2026
Location & Contact
- Company
- Martin J. Costello
- City
- Minneapolis, MN
- ZIP Code
- 55406
- Phone
- (612) 499-9012
Education
Status Distribution Across the New York Bar
Martin John Costello's current status, "Due to reregister within 30 days of birthday", places this record outside 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 University Of Minnesota alumni
Fellow alumni on the NY register whose admission year is closest to 2006 (excluding same-firm colleagues above).
Same admission year (2006), other cities
NY-registered attorneys admitted in 2006 whose listed office city differs from Minneapolis, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Martin John Costello: closest NY bar admission year outside MN, and closest out-of-state office cities by how many NY-registered attorneys they list (~380 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2006)
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 Minneapolis, MN
Compare credentials side-by-side
Compare Martin John Costello with similar attorneys in Minneapolis.
Compare attorneys →Before you rely on this record
Martin John Costello is currently listed as "Due to reregister within 30 days of birthday", treat that as a registration fact to confirm, not a verdict on quality.
Frequently Asked Questions
Where is Martin Costello licensed?
Martin Costello is licensed to practice law in New York.
When was Martin John Costello admitted to the bar?
Martin John Costello was admitted to the bar in 2006.
Where did Martin John Costello go to law school?
Martin John Costello attended UNIVERSITY OF MINNESOTA.
What company does Martin John Costello work for?
Martin John Costello is associated with Martin J. Costello in Minneapolis, MN.
Is Martin John Costello in good standing?
Not currently, Martin John Costello's listed status is "Due to reregister within 30 days of birthday", not active standing. Confirm current status with the state bar.
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.