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Permit Fees

Everything ADUDesk publishes on Permit Fees, across every category.

Permits

ADU Permit Fees in California: A Complete 2026 Cost Guide

Could a single clerical oversight at city hall cost you more than your ADU’s foundation? For many homeowners, adu permit fees california aren't just a line item; they're a source of genuine anxiety and unexpected five-figure bills. You've likely spent hours researching floor plans and finishes, yet the administrative side remains a frustrating black box. It's completely normal to feel overwhelmed by the conflicting information provided by various municipal departments.

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