California / Local permit guide
Costa Mesa Solar Permit Guide
Your local requirements. The official sources. A clearer next step.
- Permit authority
- City of Costa Mesa Building Safety DivisionSource linked
- Electric utility
- Southern California Edison (SCE)Source linked
- Local pathway
- Small Residential Rooftop Solar Energy System expedited permitting (Costa Mesa Municipal Code Chapter X, §5-138 et seq.), submitted via the City's TESSA online portalProject-specific eligibility conditions apply.
- Review time
- 0–3 daysSee source scope and conditions below.
Orange County · Explore related utility guides
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Your permit path,
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This shows what GridPermit has verified for Costa Mesa. It does not show the status of a specific project.
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01 / Know your path
Two approvals.
One project.
A local permit and utility permission to operate are different approvals. Check the local sequence and requirements below.
How to read this guide
GridPermit collects California residential solar and permitting facts directly from official sources (city, county, and state government sites, utilities, and public utilities commissions) and shows only what we can verify, with a confidence score and a link to where it came from. Nothing here is estimated or inferred beyond what's stated below. See our methodology for the rules this page follows.
Permit timeline
0–3 days
Costa Mesa Municipal Code Section 5-143(A): 'For an application for a small residential rooftop solar energy system that meets the requirements of the approved checklist and standard plan, the building department shall issue a building permit or other non-discretionary permit within three business days.'
Sources & confidence
Battery/solar incentive program on record
California SGIP - current category and budget check required
New applications and waitlist applications for ratepayer-funded SGIP budgets closed on December 30, 2025. New AB 209 applications have a June 30, 2028 deadline. The 2026 SGIP rate table publishes $3.10/W for solar and $1.10/Wh for storage in applicable Residential Solar and Storage Equity categories. Household eligibility and live budget availability vary by category and program administrator; check the official Program Metrics tracker before relying on an incentive.
Status on file: unknown. Verify current status before relying on this.
Sources & confidence
02 / Prepare your application
What you need.
Sources & confidence
Permit fees
Not yet verified.
Rebates on record
Rebates on record
Not yet verified.
Utility and generation supplier
Utility
Southern California Edison (SCE)
SCE's own 'Incorporated Cities and Counties Served by SCE' fact sheet (updated 3/17/2025) explicitly lists 'Costa Mesa' by name among the cities in its service area.
Sources & confidence
Generation supplier
Southern California Edison (SCE) (utility)
Costa Mesa is not among them, so Southern California Edison (SCE) is recorded as both the distribution and generation utility. Some supporting official material could not be independently confirmed from the full source in GridPermit's latest review. Verify the current requirement with the authority before relying on it.
Sources & confidence
Interconnection
Some supporting official material could not be independently confirmed from the full source in GridPermit's latest review. Verify the current requirement with the authority before relying on it.
Inspection steps
- Only one inspection shall be required and performed by the building department for eligible small residential rooftop solar energy systems
- The inspection shall be done in a timely manner and should include consolidated inspections; an inspection will be scheduled within two business days of a request
- If a small residential rooftop solar energy system fails inspection, a subsequent inspection is authorized
Per Costa Mesa Municipal Code Section 5-143(G)-(I).
Sources & confidence
Eligibility constraints
- Property types: residential, duplex
- Max system size (AC): 10 kW
- Max system size (DC): Not yet verified.
- Max thermal capacity: 30 kW
- Program/pathway: Small Residential Rooftop Solar Energy System expedited permitting (Costa Mesa Municipal Code Chapter X, §5-138 et seq.), submitted via the City's TESSA online portal
- Other conditions:
- System must be installed on a single- or duplex-family dwelling
- Solar panel/module array must not exceed the maximum legal building height as defined by the City of Costa Mesa
Sources & confidence
Official contacts
Official contacts
- SGIP Program Administrator (SCE territory), email: SGIPGroup@sce.com, official website
Official sources
Official sources
- Solar Submittal Requirements, City of Costa Mesa (government). Accessed 2026-08-11.
- Incorporated Cities and Counties Served by SCE, Southern California Edison (utility). Accessed 2026-08-05.
- Net Energy Metering (NEM) Time of Use, Southern California Edison (utility). Accessed 2026-08-03.
- SGIP - Statewide Announcements / About, Self-Generation Incentive Program (statewide administrator site) (program_administrator). Accessed 2026-08-01.
- SGIP - Contact, Self-Generation Incentive Program (statewide administrator site) (program_administrator). Accessed 2026-08-01.
- Homepage (member communities listing), Orange County Power Authority (other_official). Accessed 2026-08-10.
- Chapter X - Small Residential Solar Energy System Permits (Costa Mesa Municipal Code, Title 5 - Buildings and Structures), City of Costa Mesa (via eCode360 official code host) (government). Accessed 2026-08-11.
- 2026 Self-Generation Incentive Program Handbook, Self-Generation Incentive Program Program Administrators (program_administrator). Accessed 2026-08-26.
- SGIP Program Metrics and Incentive Step Tracker, Self-Generation Incentive Program Program Administrators (program_administrator). Accessed 2026-08-26.
Frequently Asked Questions
What utility serves solar customers in Costa Mesa, California?
Southern California Edison (SCE) is the interconnection and distribution utility for Costa Mesa. The same utility is also listed as the default electricity generation supplier.
How long does a residential solar permit take in Costa Mesa?
Costa Mesa Municipal Code Section 5-143(A): 'For an application for a small residential rooftop solar energy system that meets the requirements of the approved checklist and standard plan, the building department shall issue a building permit or other non-discretionary permit within three business days.'
What documents are required for a solar permit in Costa Mesa?
Commonly required documents include: Standard plan and checklist of all requirements, published on the City's website, substantially conforming to the California Solar Permitting Guidebook.
Who do I contact about solar permits in Costa Mesa?
SGIP Program Administrator (SCE territory), email SGIPGroup@sce.com.
Related cities
Related cities
Other verified cities related to Costa Mesa. See all cities on the California solar permit guide index.
- Aliso Viejo, Southern California Edison (SCE)
- Anaheim, Anaheim Public Utilities (APU)
- Brea, Southern California Edison (SCE)
- Buena Park, Southern California Edison (SCE)
- Cypress, Southern California Edison (SCE)
- Dana Point, San Diego Gas & Electric (SDG&E)