Building permit applications for solar, electrical, heating, and plumbing have specific requirements based on the type of project. Use these lists of submittal requirements to make sure your application is complete.

Types of projects

Solar

• Photovoltaic Array Systems or Alternative Energy Systems (IB-025)
• Storage Battery Systems in One- and Two-Family Dwelling With Solar Photovoltaic System

Electrical

• Residential Electric Vehicle (EV) Charger Guidelines (PB-72)
• Electrical Load Calculation for Typical One Family Dwelling Load Calculation

Heating

• Water Heaters [PDF]
• Chimney Repair Requirements (IB-009)
• Gas Storage Water Heater Requirements
• Fuel Gas Line Sizing Procedure [PDF]
• Clearances to Combustibles at Masonry Fireplaces
• Wood Burning Devices
• Corrugated Stainless Steel Tubing (CSST) Gas Piping (PB-032)

Plumbing

• Plumbing Fixture Replacement (PB-065)
• Plumbing Fixture Self-Certification [PDF]

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Related

• Building permits
• Residential remodels, additions, and alterations
• Waste management

Contact

• Call 925-943-5834
• Email BuildingTech@walnut-creek.org