New York attorney record · Judicial Dept 1
Byron Ernest Penstock
Osgoode Hall alumna, admitted to the New York bar in 2001, registered office in San Francisco, CA. Decades of status, address, and registration history on this record come straight from the NY Office of Court Administration.
- 2001
- Admitted
- 25
- Years in bar
- 3981313
- NY reg #
The record in one line
Byron Ernest Penstock carries a "Suspended, delinquent" status on the New York bar register, on record since 2001 - confirm the exact standing and any discipline history directly with the state bar before engaging.
- 25 yrs
- since first admission to the bar
- Suspended
- current bar status: "Suspended, delinquent"
- #560 of 2,460
- by tenure in San Francisco office peers
- Law school
- Osgoode Hall
Data updated August 2026
What this profile tells you
Bar status & tenure
Byron Ernest Penstock is registered as bar number 3981313 with the New York bar authority, carrying a current status of "Suspended, delinquent", suspended or delinquent, verify terms with the bar before engaging. Registration is recorded within Judicial Department 1, the appellate division overseeing this attorney's home district.
Practice context & education
Practice address is listed under Rs Investments, located in San Francisco, CA, ZIP 94158. Educational background: OSGOODE HALL (101 registered alumni).
State context & due diligence
A "Suspended, delinquent" status falls outside the New York bar's active cohort. The breakdown below shows what share of the register that represents, and how to verify current standing directly with the state bar.
Tenure among San Francisco, CA office peers
Byron Ernest Penstock is earlier in the San Francisco, CA office cohort than most peers: local tenure rank #560 of 2,460 (23rd percentile). See the San Francisco attorney directory .
- Local rank
- #560
- City cohort
- 2,460
- Local percentile
- 23rd
- Admitted
- 2001
Nearest tenure peers in San Francisco
- Jessica Anne Ballou admitted 2001 · 25 yr
- Darin Haim Bassin admitted 2001 · 25 yr
- Kenneth Earl Blohm admitted 2001 · 25 yr
- Ruth M. Bond admitted 2001 · 25 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 Byron compares to fellow Osgoode Hall alumni
Among the 101 Osgoode Hall graduates in the New York register, Byron Ernest Penstock is longer-tenured than 52%.
25 years vs. Osgoode Hall alumni
Years since admission - 101 NY-registered alumni of this school
25 Top 48% higher than 52% of 101 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
Osgoode Hall's active-bar rate
Of Osgoode Hall's 101 alumni in the New York register, 69.3% currently hold "Currently registered" status, above the statewide average.
The 2001 admission class today
Of the 7,416 attorneys admitted to the New York bar in 2001, 82.5% are still "Currently registered" today, above the statewide average across all admission years.
Professional Details
- Status
- Suspended, delinquent
- Registration Number
- 3981313
- Year Admitted
- 2001 (25 yrs · veteran)
- Judicial Department
- 1
- Next Registration
- Sep 2027
Location & Contact
- Company
- Rs Investments
- City
- San Francisco, CA
- ZIP Code
- 94158
- Phone
- (415) 757-7595
Education
Status Distribution Across the New York Bar
Byron Ernest Penstock's current status, "Suspended, delinquent", 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 Osgoode Hall alumni
Fellow alumni on the NY register whose admission year is closest to 2001 (excluding same-firm colleagues above).
Same admission year (2001), other cities
NY-registered attorneys admitted in 2001 whose listed office city differs from San Francisco, a vintage cohort, not a neighborhood list.
Nationwide attorneys with similar admission year or city registry density
Two non-geo peer axes for Byron Ernest Penstock: closest NY bar admission year outside CA, and closest out-of-state office cities by how many NY-registered attorneys they list (~2,461 here). Distinct from same-firm, fellow-alumni, and same-year other-city strips above.
Similar admission year (~2001)
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 San Francisco, CA
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Compare Byron Ernest Penstock with similar attorneys in San Francisco.
Compare attorneys →Before you rely on this record
Byron Ernest Penstock carries a "Suspended, delinquent" status. Verify the exact scope and dates of this action directly with the state bar before acting on it.
Frequently Asked Questions
Where is Byron Penstock licensed?
Byron Penstock is licensed to practice law in New York.
When was Byron Ernest Penstock admitted to the bar?
Byron Ernest Penstock's admission to the New York bar dates back to 2001.
Where did Byron Ernest Penstock go to law school?
Byron Ernest Penstock attended OSGOODE HALL.
What company does Byron Ernest Penstock work for?
Byron Ernest Penstock is associated with Rs Investments in San Francisco, CA.
Is Byron Ernest Penstock in good standing?
No, Byron Ernest Penstock carries a "Suspended, delinquent" status, not active standing. Confirm the exact scope directly with the state bar before engaging.
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.