Colusa, CA Building Permit Guide

Permit Authority

Applies within the incorporated City of Colusa only. Colusa County maintains separate permit authority for unincorporated areas.

Department

Planning & Building Department, City of Colusa

Address

425 Webster Street, Colusa, CA 95932

Phone

(530) 458-4941 ext. 3103 / 3113

Email

planning@cityofcolusa.com , buildinginspections@cityofcolusa.com

Website

https://cityofcolusa.com/planning

Online Permit Portal

Application Process

1. Confirm zoning and any site plan review needs with the Planning Division before submittal, especially if the project changes site layout, exterior conditions, or business use.
2. Prepare the building permit application with job-site address, APN, owner information, project description, square footage, valuation, and contractor or architect license information.
3. Submit the application and plans to the City Planning & Building Department using the city's published phone or email contacts; no city-run self-service online portal was located in the reviewed materials.
4. City staff performs the initial review. The city says commercial building permit review takes about six weeks initially, with added time if plans need corrections or changes.
5. After approval, keep the permit and plans available for inspection and coordinate required inspections with the department by phone or email.

Typical processing time: Commercial building permit review takes about six weeks initially, with added time if plans need corrections or changes.

Source: Planning & Building Department, City of Colusa

General Requirements

City materials state building permits are required for all construction, including building alterations or additions, equipment installations, and plumbing or electrical work.

Required Documents

• Building permit application
• Job-site address
• Parcel number
• Owner contact information
• Detailed work description
• Project square footage
• Project valuation
• Contractor information
• Contractor license, class, and expiration
• City business license information
• Workers' compensation carrier and policy information
• Architect license information if applicable
• Plot plans and floor plans for demolition or occupancy permits where applicable

Permit validity

The FY 2025-26 city fee schedule includes a Permit Extension Fee, indicating extensions are available, but the public city materials reviewed do not state the default expiration period.

Building code

City materials state inspections are for compliance with the California Building Code, Plumbing Code, Electrical Code, Energy and Green Standards, ADA regulations, historic building codes, and local ordinances. A current city ordinance page specifying the exact adopted edition was not located in the reviewed public materials.

Contractor requirements

The city application requires contractor license, class, expiration, workers' compensation information, and city business license information. City business toolkit materials also indicate city business licensing and inspections are part of operating in city limits.

Fees

Minimum permit fee

The schedule lists a $70 Building Permit Application Fee and a $70 Permit Extension Fee. The lowest clearly listed building permit line items are $95 for Electrical Service Change-out and $95 for Water Heater or Fire Place Insert Change-out.

Plan check fee

The FY 2025-26 schedule states plan check is generally 65% of the building fee, collected at application.

Permit fee formula

The city toolkit says commercial building permits generally cost 4% to 6% of total project valuation. The FY 2025-26 fee schedule otherwise uses a mix of flat fees, square-foot rates, and add-on application and plan-check fees depending on permit type.

Reinspection fee

The reviewed city fee materials say excessive resubmittals or reinspections may be billed at the established hourly rate with a 1-hour minimum.

Payment note

The fee schedule indicates application fees are required with application and plan check is taken at application where applicable. No separate online payment workflow was identified in the city materials reviewed.

Fees change. Verify current amounts at the official fee schedule.

Work That Does NOT Require a Permit

Contact the Planning & Building Department, City of Colusa to confirm whether your project requires a permit before starting work.

Inspections

How to Schedule

• (530) 458-4941 ext. 3103 / 3113 (phone)
• planning@cityofcolusa.com; buildinginspections@cityofcolusa.com (email)

Inspection hours

Most city offices operate Monday through Thursday and are closed Fridays and holidays.

Typical inspection sequence: The public application form indicates inspection checkpoints may include concrete or block, framing, roofing, interior-only work, and electrical or plumbing, depending on scope.

Additional Resources

• Building code: City materials state inspections are for compliance with the California Building Code, Plumbing Code, Electrical Code, Energy and Green Standards, ADA regulations, historic building codes, and local ordinances. A current city ordinance page specifying the exact adopted edition was not located in the reviewed public materials.
• Zoning information: View zoning info
• City Business Toolkit
• FY 2025-26 Fee Schedule
• Building Permit Application
• License lookup guide: California Contractor License Requirements
• Contract template: California Homeowner-Contractor Agreement

Other cities in Colusa County