California counties and localities
Choose your county to browse cities and towns associated with it. Confirm your exact permitting authority before submitting plans.
- Alameda County
- Alpine County
- Amador County
- Butte County
- Calaveras County
- Colusa County
- Contra Costa County
- Del Norte County
- El Dorado County
- Fresno County
- Glenn County
- Humboldt County
- Imperial County
- Inyo County
- Kern County
- Kings County
- Lake County
- Lassen County
- Los Angeles County
- Madera County
- Marin County
- Mariposa County
- Mendocino County
- Merced County
- Modoc County
- Mono County
- Monterey County
- name and County of San Francisco County
- Napa County
- Nevada County
- Orange County
- Placer County
- Plumas County
- Riverside County
- Sacramento County
- San Benito County
- San Bernardino County
- San Diego County
- San Joaquin County
- San Luis Obispo County
- San Mateo County
- Santa Barbara County
- Santa Clara County
- Santa Cruz County
- Shasta County
- Sierra County
- Siskiyou County
- Solano County
- Sonoma County
- Stanislaus County
- Sutter County
- Tehama County
- Trinity County
- Tulare County
- Tuolumne County
- Ventura County
- Yolo County
- Yuba County
Engineering services for your project
Structural and civil engineering
Request structural calculations, foundation and connection review, civil plans, or a professional engineer's seal for eligible permit and construction documents.
Electrical and mechanical engineering
Share electrical drawings, HVAC and plumbing plans, equipment information, or energy-system documents for a discipline-specific engineering review.
What to send for a quote
Provide the project address, drawings and calculations, the intended use of the documents, the permitting authority if known, and your timeline. A licensed engineer can review the scope and advise on next steps. Fees and turnaround depend on the project.