Administrative overview · FIPS 06043
Mariposa County permit authority
The first compliance decision is jurisdictional: identify the office with statutory authority over your parcel, then use its filing and inspection sequence to keep the project moving.
Jurisdictional status
County
This county profile is the primary starting point for unincorporated-area permitting.
Responsible agency
Mariposa County Building Department
For a project in or near Mariposa County, this office is the identified point of contact for permit intake, statutory code enforcement, plan review coordination, and inspection release conditions. Confirm the parcel’s boundary and project type before relying on the county lane.
Direct contact
(209) 966-3934
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
Mariposa County Building Department, 5100 Bullion Street, P.O. Box 1268, Mariposa, CA 95338
Operating hours
Monday-Friday, 7:00 a.m.-4:00 p.m., except legal holidays.
Review expectation
N/A; the current county permit-center materials describe online completeness review, invoicing, corrections, and resubmission but do not publish a standard plan-review timeline. Selected licensed-contractor electronic inspections are expedited.
Compliance workbench
Choose the next project decision.
Apply online
Open the verified digital gateway, application form, and review timeline.
Open guide →Fees & penalties
Understand fee schedules, enforcement exposure, and stop-work liabilities.
Open guide →Codes & exemptions
Read the code framework, minor-work exemptions, and inspection lane.
Open guide →Agency website
Visit the primary public source for current notices and contact changes.
Open guide →Source trail
Official sources for this profile
Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.
Project questions
Frequently asked questions for Mariposa County
Who handles permitting for this jurisdiction?
Mariposa County Building Department is the identified county-level authority for this profile. Confirm that the property is in its service area before filing.
How should I begin an application?
Begin with the online permit gateway listed in the application guide. If the portal does not recognize the address or project type, contact (209) 966-3934.
How long might review take?
N/A; the current county permit-center materials describe online completeness review, invoicing, corrections, and resubmission but do not publish a standard plan-review timeline. Selected licensed-contractor electronic inspections are expedited.
How are inspections scheduled?
Schedule inspections through the 24/7 Development Services Permit Center after permit submission; the portal supports inspection scheduling and displays scheduled inspections. The county also offers expedited electronic inspections for licensed contractors in good standing for selected reroof, water-heater, generator, HVAC, residential demolition, and small roof-mounted solar permits. Building Department assistance is available at (209) 966-3934.
Which codes and exemptions should I review?
Mariposa County enforces the 2025 triennial California Building Standards Code, Title 24, effective for the 2026 cycle, with local amendments. The county identifies building, electrical, mechanical, plumbing, state energy, accessibility, grading, and applicable Wildland-Urban Interface requirements as part of its permit review. The county's 2025-code sheet lists one-story detached accessory structures up to 120 square feet; fences up to 7 feet; retaining walls up to 4 feet without surcharge; grade-supported tanks up to 5,000 gallons with a 2:1 height-to-width limit; sidewalks and driveways; ordinary finish work; prefabricated pools under 24 inches; swings/playground equipment; qualifying wall-supported awnings; detached decks up to 200 square feet and 30 inches above grade; temporary decorative lighting; limited receptacle and overcurrent-device work; wiring under 25 volts and 50 watts; minor electrical, gas, and mechanical repairs; portable appliances; minor equipment parts; leak stopping and stoppage clearing that does not replace or rearrange piping; and emergency repairs submitted by the next business day. Structures supplied with water or power require a permit, and exemptions cannot override zoning or other laws.