Attorney RecordReal Estate · Contra Costa County
Arthur F. Coon · Real Estate Attorney
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Arthur F. Coon is on California’s State Bar roll, #124206, admitted in 1986; license status: active as of 22 July 2026. The address of record is in Walnut Creek, Contra Costa County. Practice areas listed in the registry: Real Estate. 11 case appearances are listed on this profile. The employer on the official record is Miller Starr Regalia. Registry record updated 20 August 2026; license information comes from the State Bar.
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The record
| State Bar number | #124206 |
|---|---|
| License status | Active |
| Admitted | 1986 |
| Law school | UC Davis SOL King Hall |
| Firm | Miller Starr Regalia |
| Location | Walnut Creek, Contra Costa County |
| Registry identity | Official State Bar record |
Practice areas
Practice areas are self-reported to the State Bar or added by the attorney; listing one is not a State Bar certification.
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Cases of record
From published opinions naming this attorney as counsel. The attorney has not yet confirmed these records.
| Case | Appeared for | Citation | Court | Decided |
|---|---|---|---|---|
| Mikkelsen v. Hansen | Counsel for the respondent | 31 Cal. App. 5th 170 | California Court of Appeal | 10 January 2019 |
| Trees v. City of Lafayette | Counsel for the respondent | 239 Cal. Rptr. 3d 222 | California Supreme Court | 23 October 2018 |
| Heron Bay Homeowners Ass'n v. City of San Leandro | Counsel for the appellant | 19 Cal. App. 5th 376 | California Court of Appeal | 12 January 2018 |
| Sierra Club v. County of Sonoma | Counsel for the respondent | 11 Cal. App. 5th 11 | California Court of Appeal | 21 April 2017 |
| Wilson v. County of Napa | Counsel for the respondent | 9 Cal. App. 5th 178 | California Court of Appeal | 28 February 2017 |
| Sierra Club v. Napa County Board of Supervisors | Counsel for the respondent | 205 Cal. App. 4th 162 | California Court of Appeal | 20 April 2012 |
| City of Rialto v. United States Department of Defense | Counsel for the plaintiff | 492 F. Supp. 2d 1193 | U.S. District Court, Central District of California | 25 May 2007 |
| Napa Citizens for Honest Government v. Napa County Board of Supervisors | Counsel for the appellant | 91 Cal. App. 4th 342 | California Court of Appeal | 4 September 2001 |
| Borden Ranch Partnership v. United States Army Corps of Engineers | Counsel for the appellant | 261 F.3d 810 | U.S. Court of Appeals for the Ninth Circuit | 15 August 2001 |
| Mervyn's v. Reyes | Counsel for the appellant | 69 Cal. App. 4th 93 | California Court of Appeal | 10 December 1998 |
| Benton v. County of Napa | Counsel for the respondent | 226 Cal. App. 3d 1485 | California Court of Appeal | 22 January 1991 |
Appearances in published opinions, drawn from public court records. Cases of record are matters of public record and are not a representation of results; past results do not guarantee a similar outcome. Legal information, not legal advice.
Each case name opens the published opinion it comes from. Is a case not this attorney’s? The attorney can claim this profile and mark it as not theirs, which removes it from this page; anyone can report an error through Help & Support.
On the official record
The employer on the official record is Miller Starr Regalia.
The law school on the record is UC Davis School of Law King Hall.
Admitted to the California Bar in 1986 · 40 years on the roll.
Practice areas on the record: Real Estate.
11 appearances as counsel in published opinions are on this record.
The address of record is in Walnut Creek, in Contra Costa County, where matters are ordinarily heard at the Superior Court of California, County of Contra Costa, seated at Martinez.
Confirm Arthur F. Coon’s license status, bar number #124206, and official disciplinary or administrative history directly with the State Bar of California at apps.calbar.ca.gov before retaining counsel. This profile does not reproduce the complete official history; missing information does not mean no discipline. This page indexes public-record data and identifies verified claims; it does not rate attorney quality or predict results.
Legal information, not legal advice.
On the record nearby
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