I’m a Concord car accident lawyer who answers my own phone — (415) 851-4557 — with free consultations and no fee unless you win. With over $25 million recovered for Bay Area accident victims, I handle crashes on I-680, Highway 4, Ygnacio Valley Road and throughout Contra Costa County, in English and Spanish, working directly with you from the first call.
Central Contra Costa’s Largest City Needs Experienced Injury Representation
If the crash was in San Francisco, start with my San Francisco Car Accident Lawyer page. Nearby: Car Accident Lawyer in Richmond CA and Car Accident Lawyer in Oakland.
Concord is the largest city in Contra Costa County and the commercial heart of the Diablo Valley. Sitting at the critical junction of I-680 and State Route 242, with Mount Diablo rising to the south and the end of the BART Yellow Line anchoring the downtown, Concord is where Central Contra Costa commuters, families, and businesses converge. The city has its own distinct identity — suburban in feel, but with urban-scale commuter volume flowing in and out every day through major freeway arteries that connect it to Walnut Creek, Martinez, Antioch, and beyond.
That convergence also makes Concord one of the busiest traffic environments in the East Bay. The I-680/SR-242 interchange, Clayton Road’s east-west commute, Monument Boulevard’s dense commercial and residential mix, and the park-and-ride volume around the Concord BART terminus all create serious crash risks for local residents and visitors.
I have recovered over $25 million for injury victims throughout the Bay Area, including many Contra Costa County clients. As a solo practitioner with extensive trial experience, I personally handle every case and offer fluent Spanish-language representation for Concord’s large Hispanic community. My Concord practice is built around the realities of Contra Costa County litigation — the local court venue, Central County government entities, and the commuter-heavy crash patterns unique to this part of the East Bay.
When you hire me, you get me directly — the same attorney who will fight insurance companies and secure the full compensation you deserve.
I-680, SR-242, and the Roads That Define Concord Commutes
Concord adopted its own Comprehensive Safety Action Plan in May 2026, and the data is specific, not abstract: 164 people were killed or severely injured in Concord traffic collisions between 2021 and 2025, and nearly nine out of ten of those crashes happened at intersections. Five corridors account for 42% of all of Concord’s severe crashes — Willow Pass Road, Clayton Road, Monument Boulevard, Treat Boulevard, and Concord Avenue — and the single worst intersection in the city is Market Street and Concord Avenue. I use this same city data, not guesswork, to investigate liability on Concord cases.
Key high-risk locations I regularly handle for Concord clients include:
- Willow Pass Road — 17 severe or fatal collisions, 2021-2025, the highest of any corridor in Concord
- Clayton Road — 16 severe or fatal collisions in the same period, the city’s primary east-west arterial connecting downtown to Clayton and Mt. Diablo
- Monument Boulevard — 13 severe or fatal collisions, a dense residential-commercial corridor with high pedestrian activity
- Treat Boulevard — 13 severe or fatal collisions, tied with Monument Boulevard for third-worst in the city
- Concord Avenue — including the single worst intersection in the city, Market Street & Concord Avenue (32 total collisions)
- The I-680 / SR-242 interchange and the area around the Concord BART station park-and-ride remain serious risk points, though they rank below the five corridors above by the city’s own severe-collision count
Common crash types in Concord:
- High-speed freeway merging crashes at the I-680/SR-242 interchange
- Rear-end and sideswipe collisions during BART park-and-ride rush hours
- Pedestrian and cyclist strikes on Monument Boulevard’s commercial stretches
- Left-turn and T-bone crashes at Clayton Road signalized intersections
- Ygnacio Valley Road commuter pile-ups between Concord and Walnut Creek
- Commercial truck and delivery vehicle conflicts on arterial roads
- Rideshare accidents near the BART terminus and downtown Todos Santos Plaza area
I stay current with Concord Police Department and Contra Costa County crash data to build stronger cases for local clients.
The First 24 Hours After a Concord Crash
If you or a family member is seriously hurt in a Concord crash: Contra Costa County has no trauma center of its own. Serious injuries are taken to John Muir Medical Center in Walnut Creek, the county’s only Level II trauma center. Your case, if it goes to court, is filed at the Wakefield Taylor Courthouse in Martinez — the county’s civil courthouse, not a courthouse in Concord itself.
When a Concord Crash Changes Your Life
Crashes on Concord’s freeway-adjacent arterials often happen at higher speeds than residential collisions, and the injuries reflect that. For Concord families who depend on a single commuter, a serious crash can quickly cascade into lost income, mounting medical bills, and the kind of long-term disability that reshapes a household. I aggressively pursue full recovery for:
- Traumatic brain injuries and concussions
- Spinal, neck, and back trauma
- Fractures, broken bones, and severe soft-tissue damage
- Whiplash and long-term chronic pain
- Catastrophic injuries that affect your ability to commute or provide for family
Recoverable damages include:
- All past and future medical treatment costs
- Lost wages and diminished earning capacity
- Pain and suffering
- Property damage and other out-of-pocket expenses
I work on a pure contingency fee basis — you pay nothing unless I win.
Results Delivered for Contra Costa County Clients
I have secured substantial settlements and verdicts for injury victims in Concord and across Contra Costa County, handled through Contra Costa County Superior Court in Martinez. Every client receives the same meticulous, results-driven representation — with Spanish-language service available at every step for clients who prefer it.
An SF Trial Lawyer Who Knows Contra Costa County Courts
I am a UC Law SF (formerly UC Hastings) graduate who founded the Law Office of John J. Roach in 2015. Licensed in all California courts — including Contra Costa County Superior Court in Martinez — and fluent in Spanish, my practice is built around delivering personalized, high-impact representation to Bay Area injury victims. The distance between my San Francisco office and Concord does not change the quality or aggressiveness of representation — and for Concord clients who commute into the city by BART, a meeting is often easier than driving to a Walnut Creek or Pleasant Hill firm.
My San Francisco Office – And Every Concord Neighborhood I Serve
I proudly serve clients throughout Concord — from downtown and Todos Santos Plaza to the Clayton Valley, Monument Corridor, Dana Estates, North Concord, and the redevelopment zones at the former Naval Weapons Station. Phone and video consultations, evening and weekend appointments, and Spanish-language service are all standard. Concord is one of the East Bay communities included in my car accident representation across San Francisco and the Bay Area.
Law Office of John J. Roach 1388 Sutter Street, Suite 810 San Francisco, CA 94109
Phone: (415) 851-4557
Fax: (415) 484-7283
Practice Areas San Francisco Car Accident Lawyer • Truck Accidents • Motorcycle Accidents • Bicycle Accidents • Pedestrian Accidents • Rideshare Accidents • Slip and Fall • Dog Bites • Wrongful Death
Don’t let the insurance company undervalue your Concord crash claim.
Call or text (415) 851-4557 today for a free, no-obligation consultation. I am ready to fight for the compensation you deserve. Hablamos español.
Frequently Asked Questions
Concord’s own Comprehensive Safety Action Plan (adopted May 2026) identifies five corridors responsible for 42% of the city’s severe and fatal crashes: Willow Pass Road, Clayton Road, Monument Boulevard, Treat Boulevard, and Concord Avenue. The single most dangerous intersection in Concord is Market Street and Concord Avenue. Citywide, 164 people were killed or severely injured in Concord traffic collisions between 2021 and 2025, and 87% of those crashes happened at intersections. I use this same city safety data — not guesswork — to investigate liability on Concord crash cases.
Yes. The Concord BART station is the end of the Yellow Line and a major park-and-ride hub for Central Contra Costa — generating significant pedestrian, rideshare, and commuter vehicle activity. Crashes in this zone frequently involve multiple potentially liable parties: BART itself for station infrastructure issues, County Connection (CCCTA) feeder bus operators, rideshare drivers, and private vehicles. BART and County Connection are both government entities subject to California’s six-month tort claim deadline, so acting quickly is critical. I evaluate all potential sources of liability in Concord transit-area accidents — call (415) 851-4557 for a free consultation.
Concord cases are filed in Contra Costa County Superior Court in Martinez — a completely different venue than San Francisco Superior Court or Alameda County Superior Court in Oakland. Contra Costa County has its own jury demographics, case management timelines, and insurance-defense firm ecosystem that differs from SF or Alameda. Cases may also involve unique Central County government defendants like County Connection (CCCTA), Contra Costa County Fire Protection District vehicles, or Contra Costa County Public Works. I am licensed in all California courts, regularly practice in Contra Costa County, and have successfully represented Concord clients — call (415) 851-4557 for a free evaluation.
Yes — despite what insurance companies often claim, whiplash and soft tissue injuries are legitimate, compensable injuries under California law. They can cause chronic pain, headaches, limited mobility, and significant disruption to daily life and work. Insurance adjusters routinely downplay these injuries because they don’t always appear on initial imaging. I work with medical specialists to fully document soft tissue injuries and counter lowball assessments from Concord insurance adjusters. Call (415) 851-4557 for a free case review.
If the at-fault driver was operating a company vehicle for work purposes at the time of the crash, their employer can be held liable under California’s respondeat superior doctrine — meaning you can pursue a claim against the company’s commercial insurance policy, which typically carries much higher limits than personal auto coverage. This is especially relevant in Concord given its concentration of commercial and delivery vehicle traffic on Clayton Road, Monument Boulevard, and the I-680 freight corridor. I investigate employer liability in every applicable Concord case to maximize recovery.
Straightforward Concord cases with clear liability and moderate injuries typically resolve within 3–6 months. Cases involving serious injuries, disputed fault, employer liability, or government defendants can take 12–24 months to reach maximum value. Contra Costa County Superior Court in Martinez has its own case management timelines that differ from Alameda or San Francisco County courts. I move cases forward efficiently while never sacrificing compensation — and you pay nothing until we win. Call (415) 851-4557 for a realistic assessment of your specific case.
The I-680 / SR-242 interchange is Concord’s most heavily trafficked freeway junction and one of the busiest in Central Contra Costa County. It serves commuters flowing between the East Bay, Silicon Valley (via I-680 south to Walnut Creek and beyond), and northern Contra Costa (via SR-242 toward Pittsburg and Antioch). The combination of complex merging patterns, lane drops, heavy truck traffic, and commute-hour congestion creates ideal conditions for high-speed rear-end, sideswipe, and multi-vehicle collisions. Injuries from interchange crashes tend to be severe because of the speeds involved. I investigate these cases thoroughly — including obtaining Caltrans design records, traffic volume data, and crash reconstruction when needed.
Yes. Monument Boulevard is home to one of the largest Hispanic communities in Central Contra Costa County, and I am fluent in Spanish and proudly serve Concord’s Spanish-speaking residents and families. All consultations, case updates, and legal representation are available in Spanish. Every case is handled on contingency — you pay nothing unless we win. Call or text (415) 851-4557 any time, 24/7. Hablamos español. No pagas nada a menos que ganemos.
Nothing upfront. I work on a pure contingency-fee basis — you pay no attorney fees unless I recover compensation for you. No hourly charges, no retainer, no out-of-pocket costs. My fee is a percentage of your final settlement or verdict, clearly explained in writing before you sign anything. Initial consultations are always free and confidential, and I offer evening, weekend, phone, video, and home-visit appointments throughout Concord and Central Contra Costa County. Spanish-language representation is available at every step.
Yes — and it’s still an open problem. After a 22-collision analysis, the city lowered the speed limit on Clayton Road near Talisman Way from 35 to 30 mph in 2025. In August 2026, a pedestrian was still critically injured at that same intersection. Concord’s high-injury corridors are a documented, ongoing problem — exactly the kind of city data I use to build a Concord crash case.