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Engineering Development Division
The Engineering Development Division is responsible for:
  • Monitoring proposed development projects to ensure the county continues to have a safe, effective road system for the orderly and convenient movement of people and goods
  • Reviewing, conditioning, and inspecting development projects to ensure compliance with the county ordinance code, board policy, and state / federal laws relating to roads, drainage, and grading.
  • Providing timely, informative, and friendly service to the public.
  • Providing for the safe conduct of special events held in the county road right-of-way.
  • Issuing Special Events Permits for road closures affiliated with races, carnivals, street fairs, etc.

For additional drainage information, please see the safety section in Chapter 6 of the Tuolumne County General Plan.


2015 Erosion and Stormwater Control Workshop Available Online

The 2015 Erosion Control and Stormwater Control Workshop is available now on YouTube. Presentation by Rich Muhl from the Regional Water Quality Control Board.

Community Resources Agency

Physical Address:
A.N. Francisco Building
Floors 3 and 4
48 Yaney Ave.
Sonora, CA 95370

Mailing Address:
2 South Green Street
Sonora, CA 95370

Telephone: 209-533-5633
FAX: 209-533-5616

Monday through Friday
8:00 a.m. - 3:00 p.m.

Telephone Service:
Monday through Friday
7:30 a.m. through 3:00 p.m.