County government · Mariposa
Building Department
Mariposa County building permit services. Confirm which county or city agency handles your property before applying.
County building permit information (opens in a new tab)Official instructions
Full guide, contact details & sources →Official county building permit guidance. Service boundaries and project requirements must be confirmed with the department.
Source checked October 14, 2026
Mariposa County · Mariposa — building permit department (opens in a new tab)
Official page text containing: The Building Department is responsible for enforcement of California State and Mariposa County laws concerning the safet
submitting your permit application. Title 25 - Limited Density Owner-Built Rural Dwelling Ordinance Information Summary The Building Department is responsible for enforcement of California State and Mariposa County laws concerning the safety of structures. Building permits are issued based on the current edition of the California Building Codes and local amendments, encompassing building, electrical, mechanical, plumbing, state energy requirements, and state accessibility laws. These codes are enforced to protect you and your property investment. The permitting process ensures that your project proceeds accor
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