Temecula, CA Lawyers

Criminal Defense Law

27247 Madison Avenue, Suite 111, Temecula, CA 92590

David E. Grande is a criminal defense attorney in Temecula, California, where he practices at the Law Office of David E. Grande. His office is on Madison Avenue, in Suite 111 at 27247. California’s State Bar lists him under his full name, David Ernest Grande, with an active license numbered 219946. Grande entered the California bar on June 3, 2002. Criminal defense has been his focus since that admission, according to his attorney profile. The cases he handles include DUI, theft, drug offenses, sex offenses and violent crimes. His practice is not confined to Temecula: the profile describes representation in courts throughout Southern California and occasional appearances in Northern California. San Bernardino, Los Angeles, San Diego and Orange County are among the places it names for his routine court appearances. His work also includes licensing matters tied to criminal-history reporting. Grande’s profile describes his work responding to inquiries from California licensing authorities, preparing arguments against proposed actions and appearing at hearings. The same profile records National Trial Lawyers Top 100 membership for 2013 through 2022. It also lists recognition from the American Institute of Criminal Law Attorneys for 2015 through 2018, under that organization’s “10 Best Criminal Law Attorneys for Client Satisfaction” designation. His listed affiliations include the American Civil Liberties Union.

Civil Litigation

30868 Jons Pl., Temecula, CA 92591

Guinness J. Costello is a thoughtful and effective advocate who is proud to exclusively represent plaintiffs, fiercely pursuing justice on behalf of all his clients. After receiving his Juris Doctor from the University of San Diego School of Law in 2019, Guinness began his career representing victims of utility caused fires throughout California. From there, Guinness went on to a nationally renowned victim’s advocacy law firm where he exclusively represented survivors of sexual abuse for several years. In this capacity, Guinness was appointed plaintiff’s liaison counsel in the LA Foster Cases, a grouping of more than 200 cases against the County of Los Angeles, among other defendants, stemming from abuse the Plaintiffs had suffered as foster youths. Over the past few years, Guinness has expanded his practice to include representing injured students in cases against the school districts who harm them. Guinness considers it his calling to represent everyday people against the large organizations that cause them harm. Guinness is admitted to practice in the State of California, and several federal courts including the United States District Courts for the Southern, Central, Eastern and Northern Districts of California, the United States District Court for the Northern District of Illinois, and the U.S. Court of Appeals, Ninth Circuit.

Personal Injury Law

43460 Ridge Park Dr #200, Temecula, CA 92590, USA

Kevin McGuire practices law in Temecula, California, with The McGuire Law Firm, whose office is on Ridge Park Drive. His legal education was at Pepperdine Law, following undergraduate studies at the University of San Francisco. California admitted him to the bar on June 15, 1993. His license remains active under the full name Kevin Michael McGuire. Personal injury is one of the areas described on his firm’s website, alongside disability, labor and business law. The injury matters it names range from automobile and motorcycle accidents to dog bites, medical malpractice and wrongful death. Spinal cord injuries, brain injuries and whiplash also appear in that description. For injury claims, the firm outlines work that includes analyzing the claim, presenting it to the responsible party and insurer, and dealing directly with insurance companies. Workplace discrimination and mistreatment of employees are subjects of the firm’s labor-law materials. Its business-law section covers a different set of issues, including business formation, internal agreements, intellectual property, real estate and internet commerce. That section describes direct communication with opposing parties and representation through the course of a case. From its Temecula location, the firm names nearby Murrieta, Menifee and Lake Elsinore among the communities it serves. Its stated service area also includes Riverside, Orange and San Bernardino counties.

Personal Injury Law

42538 Bradshaw Dr, Temecula, CA 92592, USA

Terence J. Mix is a Carlsbad, California, attorney and author whose books include legal fiction and nonfiction about drug regulation. He holds an active California law license, with admission recorded on January 4, 1967. His first novel appeared while he was still handling the Clomid litigation described in his author biography. Published in 1982 by Great Western Publishing, A Question of Judgment was a legal thriller; Bantam issued the paperback in 1985. The novel was optioned for a screenplay by Major Arts in 1988 and GOFA Productions in 1990. More recently, Auctorem House published Adverse Reaction in 2025, a thriller set in Los Angeles County. The nonfiction has roots in his litigation work. From 1972 through 1996, Mix brought eight lawsuits against the manufacturer of Clomid, three of which reached trial. That work included examining corporate records at the company’s Cincinnati headquarters. Litigation records, scientific research, company documents and FDA files supplied material for The Price of Ovulation, published by Tendril Press in 2008. His next nonfiction book, American Guinea Pig, appeared in 2012 and criticized the FDA’s regulatory system. Mix earned his law degree at Hastings College of Law in 1966. Alongside his litigation work, he served as the Los Angeles Trial Lawyers Association’s president in 1981 and spent more than a decade on the California Trial Lawyers Association’s Board of Governors. His teaching experience included the Pepperdine law faculty and lecturing at USC School of Medicine.