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Building Permits
Required Documents
In addition to the Building Permit Application, please provide the following documents when applying for a building permit:
  • THREE SETS OF DRAWINGS
  • THREE SETS OF PLOT PLANS
  • THREE SETS OF TRUSS AND ENERGY CALCULATIONS

Additional Regulations
  • If the structure is engineered, please provide wet-signed and stamped structural calculations. All details, nailing, etc. must be transferred to the plans.
    • The architect or engineer providing structural calculations shall stamp and wet-sign the drawings or provide a statement stating he/she has reviewed the blueprints and that all structural criteria per calculations have been incorporated.
  • Plans shall be drawn to scale, indicating location, nature, and extent of work proposed.
    • All sheets of the drawings shall be the same size. The minimum acceptable size is 8.5" by 11", and the preferred size is 11" by 17".
    • Show in detail that the project conforms to the provisions of the building code and all relevant laws, ordinances, rules, and regulations. 
  • Provide a signed statement by the designer stating he/she has reviewed the truss calculations for the specific structure and all loading and design criteria have been met.
  • Provide the wet signature of the designer on all pages of the drawings. 

Smoke and Carbon Monoxide Alarms
When a permit is required for any repair, alteration, addition, smoke alarms and carbon monoxide alarms shall be installed in accordance with CBC 907.2.11, CRC R314, CRC R315.  The permit cannot be finaled until a Smoke and Carbon Monoxide Alarm Certification is signed by either the Owner, Contractor, or Authorized Agent.

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Contact Information
Documents should be submitted to the Building Unit, which is located at:
220 12th St.
Colusa, CA 95932

You must call the department at (530) 458-0481 before coming in to submit building plans.