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§ 02
When a permit is required
Permit triggers and exempt work for Clearlake
City materials list permit-required examples including water heaters, HVAC and mini-splits, window replacements involving structural or egress changes, reroofing over 100 square feet, exterior wall coverings and waterproofing, stairs, balconies, decks, guards, handrails, patio covers, retaining walls over 4 feet or supporting surcharge, bathroom and kitchen remodels, electrical rewiring, panel and service work, additions, alterations, demolition, and tenant improvements.
Detached accessory structures not exceeding 120 square feet
Painting, some tiling, carpet, cabinets, countertops, and similar finish work
Window awnings projecting no more than 54 inches from an exterior wall
Window replacements that do not require structural changes or affect egress standards
Roofing repairs of 100 square feet or less that do not involve major sheeting or framing repairs
Decks not exceeding 200 square feet and no more than 30 inches above grade at any point
Electrical work such as swapping a light fixture, replacing a faulty outlet or switch, and temporary decorative plug-connected lighting
Portable heating, ventilation, or cooling units
Plumbing repairs to existing fixtures to stop leaks where piping is not replaced
- Exempt Detached accessory structures not exceeding 120 square feet
- Exempt Painting, some tiling, carpet, cabinets, countertops, and similar finish work
- Exempt Window awnings projecting no more than 54 inches from an exterior wall
- Exempt Window replacements that do not require structural changes or affect egress standards
- Exempt Roofing repairs of 100 square feet or less that do not involve major sheeting or framing repairs
- Exempt Decks not exceeding 200 square feet and no more than 30 inches above grade at any point
- Exempt Electrical work such as swapping a light fixture, replacing a faulty outlet or switch, and temporary decorative plug-connected lighting
- Exempt Portable heating, ventilation, or cooling units
- Exempt Plumbing repairs to existing fixtures to stop leaks where piping is not replaced
Note: The city notes some exempt-looking work may still require review, especially windows, reroofing, and similar items. Zoning and other city requirements can still apply even if a building permit is not required.
Required documents
- Portal application
- California-issued driver's license
- Plan sets with architectural and structural sheets where required
- Site plan
- Owner and design professional information
- APN
- Square footage
- Zoning information
- Drainage and grading details
- Utility, septic, well, and easement locations
- Architect or engineer stamps if applicable
- Agent authorization if applicable
- Demolition site plan if applicable
- Flood-zone elevation certificate if applicable
- Building code
- The city announced adoption and enforcement of the 2025 California Building Standards Code, including Parts 1 through 11A, for permit applications submitted on or after January 1, 2026.
- Permit validity
- The city states the permit application is non-refundable and expires after 12 months. If final inspection is not passed and the permit expires without an approved extension, the applicant must reapply and pay current fees.
- Owner-builder
- Owner-builders must create and submit the application through the portal themselves and comply with California owner-builder workers' compensation and insurance requirements.
- Contractor requirements
- Contractors must hold a current California contractor license and a current City of Clearlake business license at the time of permit issuance.
Source: City of Clearlake Building Department, under Community Development ↗
§ 03
Application process
Typical processing: For plan-check projects, the city estimates about 4 to 8 weeks total: initial review 2 to 4 weeks, re-checks about 1 week, and payment request or permit issuance 1 to 2 weeks. Inspection lead times are typically 1 to 2 weeks.
- 01 Confirm zoning and site constraints using the city's GIS and zoning resources before planning the work.
- 02 For simple permits that do not require plan submittal, move directly to portal setup and submission. For larger projects, prepare plan sets and obtain any required architect or engineer stamps.
- 03 Obtain outside-agency sign-offs that apply to the project, including Environmental Health, Air Quality, Water Resources, fire review, sewer or special district approvals, school fees, and local water district approvals where required.
- 04 Create an OpenGov portal account and upload a California-issued driver's license.
- 05 Upload plans and supporting documents through the portal, including agent authorization and a flood-zone elevation certificate if applicable.
- 06 Staff reviews the submission, calculates fees, and sends a payment request.
- 07 Pay by credit card in the portal or by check in the office using a printed invoice.
- 08 After approval, print the approved permit and stamped plans, keep them on site, and schedule inspections through the portal.
Typical processing time: For plan-check projects, the city estimates about 4 to 8 weeks total: initial review 2 to 4 weeks, re-checks about 1 week, and payment request or permit issuance 1 to 2 weeks. Inspection lead times are typically 1 to 2 weeks.
Source: City of Clearlake Building Department, under Community Development ↗
§ 04
Fee schedule
Clearlake building permit fees
Fee type
Amount
01
Minimum permit fee
The schedule does not publish a single universal minimum for all building permits. Listed flat-fee examples include $150 for residential electrical or mechanical service upgrade or repair, $150 for residential plumbing, $150 for residential demolition, $150 for retrofit foundation, $125 for an EV charging port, $200 for a generator, and $400 for residential roof-mounted solar.
02
Plan check fee
Building plan check is calculated per the BVD fee table for valuation-based projects. Plan revision review is $100.
03
Permit fee formula
Building permits and building plan check are calculated per the ICC Building Valuation Data table, plus state-mandated Building Standards Administration and seismic fees based on permit valuation.
04
Reinspection fee
Building reinspection fee is $100.
05
Penalty (no permit)
Failure to obtain a required permit before work begins is charged at 2 times the permit fee.
Portal credit-card payments carry a 3% fee, or applicants may bring a check to the office with a printed invoice. The fee schedule also lists a $35 returned-check fee.
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- OpenGov Portal (online)
- (707) 994-8201 ext. 110 (phone)
- Scheduling deadline
- Inspection lead times are typically 1 to 2 weeks. Inspection requests are not granted through email or voicemail unless confirmed.
- Inspection hours
- Inspections are typically Tuesdays and Thursdays, 8:00 AM to 4:00 PM
- Time windows
- Morning or afternoon slots
Typical sequence: Common inspections listed by the city are foundation, underground, pre-slab, underfloor framing, pre-wrap, framing or rough-in or close-in, drywall or wallboard, stucco, and final. Septic or well and local fire finals may also be required before final building inspection where applicable.
Source: City of Clearlake Building Department, under Community Development ↗
§ 06
Frequently asked
Common questions about Clearlake permits
01 Do I need a building permit in Clearlake, CA? ▸
City materials list permit-required examples including water heaters, HVAC and mini-splits, window replacements involving structural or egress changes, reroofing over 100 square feet, exterior wall coverings and waterproofing, stairs, balconies, decks, guards, handrails, patio covers, retaining walls over 4 feet or supporting surcharge, bathroom and kitchen remodels, electrical rewiring, panel and service work, additions, alterations, demolition, and tenant improvements.
02 How much does a building permit cost in Clearlake, CA? ▸
Building permit fees in Clearlake, CA are set by the local building department and vary by project type and valuation. The minimum permit fee is The schedule does not publish a single universal minimum for all building permits. Listed flat-fee examples include $150 for residential electrical or mechanical service upgrade or repair, $150 for residential plumbing, $150 for residential demolition, $150 for retrofit foundation, $125 for an EV charging port, $200 for a generator, and $400 for residential roof-mounted solar.. Fees are calculated as: Building permits and building plan check are calculated per the ICC Building Valuation Data table, plus state-mandated Building Standards Administration and seismic fees based on permit valuation.. Plan check fee: Building plan check is calculated per the BVD fee table for valuation-based projects. Plan revision review is $100..
03 How do I apply for a building permit in Clearlake, CA? ▸
To apply for a building permit in Clearlake, CA, follow these steps: 1. Confirm zoning and site constraints using the city's GIS and zoning resources before planning the work. 2. For simple permits that do not require plan submittal, move directly to portal setup and submission. For larger projects, prepare plan sets and obtain any required architect or engineer stamps. 3. Obtain outside-agency sign-offs that apply to the project, including Environmental Health, Air Quality, Water Resources, fire review, sewer or special district approvals, school fees, and local water district approvals where required. 4. Create an OpenGov portal account and upload a California-issued driver's license. 5. Upload plans and supporting documents through the portal, including agent authorization and a flood-zone elevation certificate if applicable. 6. Staff reviews the submission, calculates fees, and sends a payment request. 7. Pay by credit card in the portal or by check in the office using a printed invoice. 8. After approval, print the approved permit and stamped plans, keep them on site, and schedule inspections through the portal.
04 How long does it take to get a building permit in Clearlake, CA? ▸
Building permit processing times in Clearlake, CA typically run For plan-check projects, the city estimates about 4 to 8 weeks total: initial review 2 to 4 weeks, re-checks about 1 week, and payment request or permit issuance 1 to 2 weeks. Inspection lead times are typically 1 to 2 weeks.. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Clearlake, CA? ▸
Not all construction work requires a permit in Clearlake, CA. The following work is generally exempt: Detached accessory structures not exceeding 120 square feet; Painting, some tiling, carpet, cabinets, countertops, and similar finish work; Window awnings projecting no more than 54 inches from an exterior wall; Window replacements that do not require structural changes or affect egress standards; Roofing repairs of 100 square feet or less that do not involve major sheeting or framing repairs; Decks not exceeding 200 square feet and no more than 30 inches above grade at any point; Electrical work such as swapping a light fixture, replacing a faulty outlet or switch, and temporary decorative plug-connected lighting; Portable heating, ventilation, or cooling units; Plumbing repairs to existing fixtures to stop leaks where piping is not replaced. Note: The city notes some exempt-looking work may still require review, especially windows, reroofing, and similar items. Zoning and other city requirements can still apply even if a building permit is not required. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Clearlake, CA? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Clearlake, CA via: OpenGov Portal, (707) 994-8201 ext. 110. Inspection lead times are typically 1 to 2 weeks. Inspection requests are not granted through email or voicemail unless confirmed..
last verified April 2026
source City of Clearlake Building Department, under Community Development ↗
entry id permits/california/lake/clearlake
Educational reference. Permit rules and fees change — confirm current requirements directly with City of Clearlake Building Department, under Community Development before applying. Jaspector is not legal advice.