Process Server in Contra Costa County, CA — Martinez, Concord

Wakefield Taylor Courthouse & Contra Costa Judicial Districts

Civil lawsuits, family law petitions, probate, and unlawful detainer proceedings in Contra Costa County are adjudicated at the Superior Court of California, County of Contra Costa — Wakefield Taylor Courthouse at 725 Court Street, Martinez, CA 94553 (with family law at the Peter L. Spinetta Family Law Center, 751 Pine St, and regional limited civil/UD calendars at the George D. Carroll Courthouse in Richmond, 100 37th St, the Arnason Justice Center in Pittsburg, 1000 Center Dr, and the Walnut Creek Courthouse, 640 Ygnacio Valley Rd). Public civil enforcement is administered by the Contra Costa County Sheriff’s Office — Civil Unit at 1850 Muir Road, Martinez, CA 94553, charging $50.00 under Government Code § 26721.

I-680 Corporate Campuses, West County Refineries & Delta Subdivisions

Field dispatch across Contra Costa County navigates Interstate 680, Interstate 80, State Route 24 (Caldecott Tunnel), and State Route 4:

• Central County & I-680 Corridor (Walnut Creek, Concord, Pleasant Hill, Danville, and San Ramon): Corporate headquarters at Bishop Ranch in San Ramon and Ygnacio Valley Road financial plazas in Walnut Creek require precise delivery to corporate officers or designated agents under CCP § 416.10 and CCP § 415.20(a);
• West County Industrial & Waterfront Corridor (Richmond, San Pablo, El Cerrito, Hercules, and Pinole): Industrial, rail, and port facilities along I-80 and I-580; and
• East County Delta Growth Corridor (Pittsburg, Antioch, Brentwood, and Oakley): High-commuter residential subdivisions along Highway 4 where many residents commute to San Francisco or Oakland via BART.

To reach commuter households in Antioch, Brentwood, or Danville, personal service attempts (CCP § 415.10) are scheduled before 7:30 AM, after 6:30 PM, and on weekends, document the staggered-attempt threshold needed for residential substituted delivery under CCP § 415.20(b) (deemed complete on the tenth day following first-class postage). In gated Blackhawk, Alamo, and Diablo communities, servers invoke CCP § 415.21 access statutes.

Medical Subpoena Intake & County Clerk Registration Compliance

Medical records subpoenas (SUBP-010) with the $15.00 custodian fee (Evidence Code § 1563(b)(6)) are served at Contra Costa Regional Medical Center at 2500 Alhambra Avenue, Martinez, CA 94553 and John Muir Health Walnut Creek Medical Center at 1601 Ygnacio Valley Road, Walnut Creek, CA 94598. Under California’s process server statute (B&P Code section 22350), the $2,000 bond and registration certificate are recorded with the County Clerk—not the sheriff—supporting enforceable default judgments and surviving motions to quash under Evidence Code section 647.

Local communities covered across Contra Costa County

Service in Contra Costa County extends to office districts in Concord; retail avenues in Antioch; commuter subdivisions of Richmond; courthouse feeders from San Ramon; agricultural roads around Walnut Creek; waterfront or valley sectors in Pittsburg; medical office clusters in Brentwood; logistics hubs around Danville; civic districts of Oakley; downtown streets in Martinez. Begin your Contra Costa County filing dispatch.