California / Local permit guide
Sonoma Solar Permit Guide
Your local requirements. The official sources. A clearer next step.
- Permit authority
- City of Sonoma Building DepartmentSource linked
- Electric utility
- Pacific Gas & Electric (PG&E)Source linked
- Local pathway
- Expedited Solar Permitting for One & Two-Family DwellingsProject-specific eligibility conditions apply.
- Review time
- 2–5 daysSee source scope and conditions below.
Sonoma County · Explore related utility guides
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Your permit path,
at a glance.
This shows what GridPermit has verified for Sonoma. It does not show the status of a specific project.
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
2–5 days
Standard permitting usually takes 2 to 5 business days after complete submission; SolarAPP+ offers instantaneous automated plan review for eligible systems.
Sources & confidence
Battery/solar incentive program on record
No battery/storage incentive program is on record for this locality.
02 / Prepare your application
What you need.
Sources & confidence
Permit fees
The page states processing fees apply through SolarAPP+, plus SolarAPP+ Solar Permit fees charged by the City, but does not state specific dollar amounts.
Not yet verified.
Rebates on record
Rebates on record
Not yet verified.
Utility and generation supplier
Utility
Pacific Gas & Electric (PG&E)
The City of Sonoma is a well-documented Sonoma County city within PG&E's core Northern California service territory.
Sources & confidence
Generation supplier
Sonoma Clean Power (Community Choice Aggregator)
Sonoma Clean Power is the public power provider for Sonoma and Mendocino counties, serving all incorporated cities in Sonoma County except Healdsburg (its own municipal utility) and Ukiah (Mendocino County). PG&E continues to deliver the power and provide billing/customer service.
Sources & confidence
Interconnection
https://www.pge.com/en/save-energy-and-money/rebates-and-incentives/nem.html
PG&E's own utility-wide Net Energy Metering (NEM) program page.
Inspection steps
- Schedule by calling 707-938-3681 with permit number, address, inspection type, and preferred date/time
- Inspections typically available the next business day
- Permit documentation must remain on-site during the active permit period
Sources & confidence
Eligibility constraints
- Property types: residential
- Max system size (AC): 10 kW
- Max system size (DC): Not yet verified.
- Max thermal capacity: 30 kW
- Program/pathway: Expedited Solar Permitting for One & Two-Family Dwellings
- Other conditions:
- Applies to systems 10kW AC nameplate or less, or 30kW thermal
Sources & confidence
Official contacts
Official contacts
- City of Sonoma Building Department, phone: 707-938-3681, email: Building@sonomacity.org, official website
Need a solar installer who handles permits in Sonoma?
EnergySage is an independent solar marketplace where you can request property-specific pricing from installers familiar with local permitting.
Compare quotes from solar installers →You'll continue on EnergySage's website. GridPermit links to EnergySage as an independent third-party resource. This link is not currently tracked for compensation.
Official sources
Official sources
- Expedited Solar Permitting for One & Two-Family Dwellings, City of Sonoma (government). Accessed 2026-08-08.
- Net Energy Metering (NEM), Pacific Gas & Electric (utility). Accessed 2026-08-08.
- Home, Sonoma Clean Power (other_official). Accessed 2026-08-08.
Frequently Asked Questions
What utility serves solar customers in Sonoma, California?
Pacific Gas & Electric (PG&E) is the interconnection and distribution utility for Sonoma. The default electricity generation supplier is Sonoma Clean Power, a Community Choice Aggregator (CCA), separate from Pacific Gas & Electric (PG&E).
How long does a residential solar permit take in Sonoma?
Standard permitting usually takes 2 to 5 business days after complete submission; SolarAPP+ offers instantaneous automated plan review for eligible systems.
What documents are required for a solar permit in Sonoma?
Commonly required documents include: Expedited Solar Photovoltaic (PV) Permit forms; Expedited Solar Domestic Water Heating Permit forms; Expedited Solar Pool Heating Permit forms; SolarAPP+ Inspection Checklist and Specification Sheets; Electronic Digital Signature Disclosure Form.
Who do I contact about solar permits in Sonoma?
City of Sonoma Building Department, phone 707-938-3681, email Building@sonomacity.org.
Related cities
Related cities
Other verified cities related to Sonoma. See all cities on the California solar permit guide index.
- Cotati, Pacific Gas & Electric (PG&E)
- Healdsburg, City of Healdsburg Electric Department
- Petaluma, Pacific Gas & Electric (PG&E)
- Rohnert Park, Pacific Gas & Electric (PG&E)
- Santa Rosa, Pacific Gas and Electric Company (PG&E)
- Sebastopol, Pacific Gas & Electric (PG&E)