Robert J. Trentacosta

Judge · Superior Court of San Diego County · 2007–2026

Sitting now: Dept. J5, Juvenile — JUVENILE JUSTICE (the court's data of 01:00AM 17 Oct 2026)

Presiding Justice, Superior Court of California, County of San Diego 2012–2013 · Judge, Superior Court of California, County of San Diego 2000–2012

C+

67% — 28 of 42 rulings upheld, per qwen3.8-27b; in the top 45% of 312 graded judges

On the assumption that the model is right — qwen3.8-27b reads the court's own disposition right 70% of the time, graded on a curve: A is the top fifth of the judges graded under this model, F the bottom fifth; ++ / + / − / −− within the band. How the grade is made.

32cases reviewed on appeal

19%reversed, in whole or part, of 31 merits decisions

Outcomes on appeal

affirmed 24 reversed in part 3 reversed 3 writ granted 1 modified 1

Areas

delinquency 25 criminal 6 family 1

By year: 2016 9 · 2026 4 · 2023 4 · 2024 3 · 2022 3 · 2015 3 · 2025 2 · 2020 1 · 2019 1 · 2014 1 · 2007 1 ·

Analysis

63reviewed cases analysed

131rulings read

1rulings where the model disagrees with the court

9cases with a verified missed authority

0appellate opinions called questionable

Counts of a model's readings across this judge's reviewed cases, each shown on its case page beside the court's disposition. Not a finding about the judge.

Cases

In re J.H. CA4/1 D084759 · 2025-09-11 · delinquency · reversed in part
In re J.T. CA4/1 D080820 · 2023-03-29 · delinquency · reversed in part
In re Kiley B. CA4/1 D065405 · 2015-06-23 · delinquency · reversed in part