City of Walnut Creek
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Development Services Counter
All Building permits must be applied online through our online permit portal.
Staff is available to assist you with the permit process. The Development Services Counter is open for appointments or walk-ins.
Location: City Hall, 2nd Floor
Hours:
Monday – Thursday
8:30 a.m. – 12:00 p.m.
1:00 p.m. – 4:00 p.m.
Building Code Update
Beginning January 1, 2026, all building permit applications must comply with the 2025 Building Code.
Apply online only
- Building permits (Required for new construction projects or altering your existing property)
- Demolition permits
- Home occupation permit
- Planning Permits
- Sign permits
- Use permits (administrative, minor, conditional, and special)