City Building Permits

Cotati, CA Building Permit Guide

How to apply for a building permit in Cotati, California. Permit authority, application steps, fees, and inspection requirements.

California Sonoma County Updated March 2026

Permit Authority

City of Cotati municipal permit requirements for projects within city limits.

Department
City of Cotati Community Development Department (Building Division)
Address
201 W Sierra Avenue, Cotati, CA 94931
Phone
707-665-3636; 707-665-3635
Website
https://www.cotaticity.gov/202/Building

Online Permit Portal

Open Cloudpermit

Platform: Cloudpermit • Account required: Yes • Submission: Online or in-person

Additional resources:

Application Process

  1. Complete the permit application or submit through Cloudpermit.
  2. Email supporting documents to permits@cotaticity.gov or upload them in Cloudpermit.
  3. City staff reviews the submission.
  4. After approval, permits are issued by email with a fee notice.
  5. Schedule inspections through Cloudpermit or by contacting staff.

Typical processing time: Up to 2-3 business days for over-the-counter permits and up to 30 days for larger or new-build projects.

Source: City of Cotati Community Development Department (Building Division)

General Requirements

Any work requiring a city or county building permit to construct, alter, improve, demolish, or repair a structure generally requires a permit unless listed as exempt by the city.

Required Documents

  • Completed Building Permit Application form
  • Property, applicant, and contractor information
  • Project valuation and fee estimate
  • Plans and supporting documents
  • Any applicable checklists and green-building documents linked from the Building page
Permit validity
Applications can expire if not pursued in good faith or if no permit is obtained within 365 days. Issued permits become invalid if work is not started within 365 days or is suspended or abandoned for 365 days.
Building code
Cotati adopts California Title 24 codes by reference, including the 2025 California Building Code and related codes, with local amendments.
Owner-builder
An owner may file a 7031.5 exemption statement; owners who take responsibility for the work or hire unlicensed labor assume owner-builder responsibilities.
Contractor requirements
If a contractor is involved, they must be licensed. Owner-builder permits are allowed only where exemptions apply under the Contractors State License Law.

Fees

Minimum permit fee
$109.58
Plan check fee
65% of the building permit fee for in-house plan check.
Permit fee formula
Valuation-based tiered fee schedule.
Reinspection fee
Reinspection hourly, 1-hour minimum, $313.
Penalty (no permit)
Working without a permit penalty is 2x the building permit fee.
Payment note
After permit review, payment can be made online, by phone, or in person at Community Development; permit fees are collected at issuance.

Fees change. Verify current amounts at the official fee schedule (effective October 16, 2025).

Work That Does NOT Require a Permit

  • Detached one-story accessory buildings up to 120 square feet, subject to height limits
  • Retaining walls under 4 feet and fences up to 7 feet
  • Limited decks, walks, and drives not more than 30 inches above grade
  • Minor finish work and limited minor replacements
  • Emergency mechanical, electrical, or plumbing repair work when allowed

Important: Permit exemptions do not replace other code, HOA, or departmental requirements. Separate plumbing, electrical, or mechanical permits may still be required.

Inspections

How to Schedule

Inspection hours
Monday and Wednesday 9:00 AM-12:00 PM; Thursday 1:00 PM-4:00 PM.
Time windows
Monday and Wednesday 9:00 AM-12:00 PM; Thursday 1:00 PM-4:00 PM.

Typical inspection sequence: After permit issuance, schedule required inspections through Cloudpermit or the office.

Additional Resources

Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the City of Cotati Community Development Department (Building Division) before applying.

Need help with your project?

Navigating permits in Cotati can be complicated.

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Important: This page is an educational resource provided by jaspector.com. It is not legal advice, and it does not substitute for official guidance from the permit authority listed above. Permit requirements, fees, and processes change frequently. Always verify current requirements directly with the issuing department before beginning any construction project. Use of this page does not create an attorney-client relationship. Jaspector assumes no liability for any outcomes arising from reliance on this information.

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