On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Mono County
Mono County building permit forms are used to construct, alter, improve, demolish, or repair structures in unincorporated Mono County. Mono County Code Title 15 also requires prerequisite County approvals before permit issuance for projects involving sewage disposal, sewer, or water systems.
Mono County does not publish a stand-alone local exempt-work handout on the reviewed pages.
Because Mono County adopted the California Building Codes by reference, exempt work generally follows the permit exemptions in the adopted California Building Code and California Residential Code unless a local amendment or separate utility, fire, environmental health, grading, or zoning approval still applies.
Mono County's OTC instruction sheet gives examples of work handled as over-the-counter permits rather than exempt work, including structures under 120 square feet with utilities, well houses and pump houses, demolition work, new electrical service or re-energization, electrical panel repairs or upgrades, power-pole repair or replacement, reroofs, and new siding.
- Exempt Mono County does not publish a stand-alone local exempt-work handout on the reviewed pages.
- Exempt Because Mono County adopted the California Building Codes by reference, exempt work generally follows the permit exemptions in the adopted California Building Code and California Residential Code unless a local amendment or separate utility, fire, environmental health, grading, or zoning approval still applies.
- Exempt Mono County's OTC instruction sheet gives examples of work handled as over-the-counter permits rather than exempt work, including structures under 120 square feet with utilities, well houses and pump houses, demolition work, new electrical service or re-energization, electrical panel repairs or upgrades, power-pole repair or replacement, reroofs, and new siding.
Note: Work that may be exempt from a building permit can still require zoning, environmental health, fire, utility, floodplain, grading, or other County review. Mono County Code Title 15 also requires prerequisite County approvals before building-permit issuance where water or wastewater systems are involved.
Required documents
- Completed permit application
- Project scope
- Assessor parcel number (APN)
- Project valuation
- Owner, applicant, and contractor details
- Plan-check contact information
- Required declarations
- Plans and project-specific supporting documents discussed with the Permit Center
- Site plan
- Floor plans
- Elevations
- Structural details
- Title 24 documents
- Truss information where applicable
- Utility and grading information
- Other technical submittals depending on scope
- Building code
- Mono County adopted the 2025 California Building Codes with local amendments by ordinance approved February 10, 2026. The staff report states the 2025 California Building Standards Code took effect statewide on January 1, 2026.
- Permit validity
- Plan-review applications become void after 180 days unless pursued in good faith or a permit is issued; a building permit application becomes void after 12 months from application; permits become void 36 months after issuance unless extended; and a permit becomes invalid if work is not commenced within 180 days or is suspended or abandoned for 180 days. Written extensions of up to 12 months each may be granted by the Building Official for justifiable cause.
- Owner-builder
- Mono County uses California's owner-builder declaration. Owner-builders must sign the required acknowledgment, may be responsible as the employer if using unlicensed labor worth $500 or more including labor and materials, may not legally sell certain owner-builder residential work unless it qualifies under Business and Professions Code section 7044, and must provide identity verification for owner-builder permits.
- Contractor requirements
- Permit forms require a California contractor license declaration, and Mono County's OTC instruction sheet states that Mono County business licenses are required for all contractors performing work in the county.
Source: Mono County Community Development Department, Building Division ↗
§ 03
Application process
Typical processing: OTC permits are usually issued the same day upon presentation of a completed application and payment of fees. No general turnaround was publicly stated for full or minor permits.
- 01 Confirm the project type with the Building Permit Center and use the correct county form: full building permit application for new residences, new commercial buildings, additions, and detached structures; minor permit application for smaller non-OTC work; or OTC application for qualifying over-the-counter work.
- 02 Assemble the application package with owner, applicant, contractor or owner-builder, APN, scope, valuation, and plan-check contact information. Full and minor permit forms direct applicants to contact the Permit Center for project-specific submittal requirements.
- 03 Include all required declarations, including the licensed contractor declaration or owner-builder declaration, workers' compensation declaration, construction lender information, and agent authorization where applicable.
- 04 Obtain prerequisite County approvals before permit issuance where applicable. Mono County Code Title 15 requires completed reviews for sewage disposal, sewer connection, water supply, public water connection, and other required County department reviews.
- 05 Submit the application to Mono County Community Development and pay fees. Mono County publishes fillable PDF forms and offers online payment through Heartland, but the reviewed materials did not identify a full online permit-submittal portal.
- 06 Complete plan review and respond to corrections if required. County forms recommend listing a design professional because corrections and plan sets will be returned only to the designated contact.
- 07 Receive the permit, perform the work, and call for inspections using the county inspection hotline.
Typical processing time: OTC permits are usually issued the same day upon presentation of a completed application and payment of fees. No general turnaround was publicly stated for full or minor permits.
Source: Mono County Community Development Department, Building Division ↗
§ 04
Fee schedule
Effective July 1, 2025
Fee type
Amount
01
Minimum permit fee
Mono County does not clearly publish a single minimum for all building permits in the public materials reviewed. Public fee materials show OTC building permits at $130, and the valuation table starts at $57 for projects valued from $1 to $500.
02
Plan check fee
Planning-Building Permit Plan Check (small) $103; Planning-Building Permit Plan Check (large) $261.
03
Permit fee formula
Valuation-based for standard building permits using a published building valuation table, plus state fees such as BSC and SMIP where applicable. Mono County's public fee materials also show cost-per-square-foot valuation factors by building type and elevation band, and flat plan-check fees labeled small and large.
04
Penalty (no permit)
Expired permits require new application, plan check, and permit issuance under Title 15 if the permit cannot be extended or reactivated.
Mono County provides online payments for Building / Planning Permits through Heartland Web Payments.
Fees change periodically. Confirm at the official fee schedule ↗ (effective July 1, 2025) before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- 760-924-1827 (phone)
Typical sequence: Mono County does not publish a standard inspection sequence on the reviewed public pages. Required inspections depend on project type and generally follow applicable California code stages and any permit conditions set by the Building Division.
Source: Mono County Community Development Department, Building Division ↗
§ 06
Frequently asked
Common questions about unincorporated Mono County permits
01 Do I need a building permit in unincorporated Mono County, CA? ▸
Mono County building permit forms are used to construct, alter, improve, demolish, or repair structures in unincorporated Mono County. Mono County Code Title 15 also requires prerequisite County approvals before permit issuance for projects involving sewage disposal, sewer, or water systems.
02 How much does a building permit cost in unincorporated Mono County, CA? ▸
Building permit fees in unincorporated Mono County, CA are set by the local building department and vary by project type and valuation. The minimum permit fee is Mono County does not clearly publish a single minimum for all building permits in the public materials reviewed. Public fee materials show OTC building permits at $130, and the valuation table starts at $57 for projects valued from $1 to $500.. Fees are calculated as: Valuation-based for standard building permits using a published building valuation table, plus state fees such as BSC and SMIP where applicable. Mono County's public fee materials also show cost-per-square-foot valuation factors by building type and elevation band, and flat plan-check fees labeled small and large.. Plan check fee: Planning-Building Permit Plan Check (small) $103; Planning-Building Permit Plan Check (large) $261..
03 How do I apply for a building permit in unincorporated Mono County, CA? ▸
To apply for a building permit in unincorporated Mono County, CA, follow these steps: 1. Confirm the project type with the Building Permit Center and use the correct county form: full building permit application for new residences, new commercial buildings, additions, and detached structures; minor permit application for smaller non-OTC work; or OTC application for qualifying over-the-counter work. 2. Assemble the application package with owner, applicant, contractor or owner-builder, APN, scope, valuation, and plan-check contact information. Full and minor permit forms direct applicants to contact the Permit Center for project-specific submittal requirements. 3. Include all required declarations, including the licensed contractor declaration or owner-builder declaration, workers' compensation declaration, construction lender information, and agent authorization where applicable. 4. Obtain prerequisite County approvals before permit issuance where applicable. Mono County Code Title 15 requires completed reviews for sewage disposal, sewer connection, water supply, public water connection, and other required County department reviews. 5. Submit the application to Mono County Community Development and pay fees. Mono County publishes fillable PDF forms and offers online payment through Heartland, but the reviewed materials did not identify a full online permit-submittal portal. 6. Complete plan review and respond to corrections if required. County forms recommend listing a design professional because corrections and plan sets will be returned only to the designated contact. 7. Receive the permit, perform the work, and call for inspections using the county inspection hotline.
04 How long does it take to get a building permit in unincorporated Mono County, CA? ▸
Building permit processing times in unincorporated Mono County, CA typically run OTC permits are usually issued the same day upon presentation of a completed application and payment of fees. No general turnaround was publicly stated for full or minor permits.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Mono County, CA? ▸
Not all construction work requires a permit in unincorporated Mono County, CA. The following work is generally exempt: Mono County does not publish a stand-alone local exempt-work handout on the reviewed pages.; Because Mono County adopted the California Building Codes by reference, exempt work generally follows the permit exemptions in the adopted California Building Code and California Residential Code unless a local amendment or separate utility, fire, environmental health, grading, or zoning approval still applies.; Mono County's OTC instruction sheet gives examples of work handled as over-the-counter permits rather than exempt work, including structures under 120 square feet with utilities, well houses and pump houses, demolition work, new electrical service or re-energization, electrical panel repairs or upgrades, power-pole repair or replacement, reroofs, and new siding.. Note: Work that may be exempt from a building permit can still require zoning, environmental health, fire, utility, floodplain, grading, or other County review. Mono County Code Title 15 also requires prerequisite County approvals before building-permit issuance where water or wastewater systems are involved. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Mono County, CA? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Mono County, CA via: 760-924-1827.
last verified April 2026
source Mono County Community Development Department, Building Division ↗
entry id permits/california/mono/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Mono County Community Development Department, Building Division before applying. Jaspector is not legal advice.