County of Sonoma
Permit Sonoma › Divisions › Engineering & Construction
Engineering & Construction Division

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Engineering & Construction Division

  • Reviews construction plans prior to issuance of a building permit.
  • Performs inspections for buildings, road improvements and encroachments, grading and storm water, and sanitation sewers.
  • Reviews permit applications for septic system repair or upgrade.

Building

The Building Division reviews and inspects construction projects to ensure they are built according to the approved plans and building codes.

The best way to reach staff is via email. 

Building Inspection

Inspection Scheduling, Cancellation, Time Estimates, and Results

Building Plan Check

Reviews construction plans prior to issuance of a building permit to ensure the project will conform to the uniform construction codes (building, electrical, plumbing, and mechanical) and sound engineering practices.

Engineering & Water Resources

The best way to reach staff is via email.

Engineering Inspection Scheduling

Inspection scheduling for Road Improvements and Encroachments, Grading and Storm Water, Sanitation Sewers

Grading, Drainage, & Storm Water

Grading, Drainage, & Storm Water ensures that construction and grading do not cause flooding. Grading is the excavation (cuts) and placement (fill) of earth material by artificial means. Storm water is any storm water runoff, snow melt, or surface runoff.

Road Encroachment

Encroachment permits for work in public roads for new driveway or utility installation.

Road Improvement Plan Review

Reviews improvement plans (roads, utilities, etc.) for new developments.

Sanitation Sewer

A sanitary sewer system collects and transports waste from indoor plumbing fixtures via public sewer to treatment plants.

Special Events

Special Events and Cultural Events are periodic special events which attract a large gathering of people. Depending on the nature of your event, you may need to obtain permits or approvals to ensure a well-planned, safe event.

Survey and Land Development (County Surveyor)

Reviews all subdivision and survey maps before recordation.

Transportation Permits

Issues permits to operate or move vehicle(s) or special mobile equipment on County roads of a size or weight of vehicle or load exceeding the maximum limitations specified in the California Vehicle Code.

Well and Septic

Reviews all development proposals utilizing wells or septic systems and reviews permit applications for septic system repair or upgrade. Their focus is on protecting health by ensuring that water wells are properly constructed and septic systems protect surface and ground water quality.

The best way to reach staff is via email. 

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