Independent Educational Guide: California residential solar permit facts, sourced, dated, and confidence-scored. Not legal, engineering, or permit advice.

Larkspur Solar Permit Guide

Pacific Gas & Electric (PG&E) territory · Marin County

Larkspur Solar Permit Checklist
Printed from mygridpermit.com/california/larkspur/solar-permit-guide/ · Last verified 2026-08-09 · City of Larkspur Building Department / PG&E · Verify current requirements before relying on this checklist. Programs and fees change.
✓ Last verified 2026-08-096 official sources
Informational only. This page is not legal, engineering, or permit advice. Every fact below links to the official source it came from and shows how confident we are in it. Verify current requirements with City of Larkspur Building Department and PG&E before making a decision.

Overview

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

2–3 days

Simple permits, including residential roof-mounted solar PV with plans, can generally be issued within 2-3 working days once the City determines the submission complete.

Confidence: High (0.8)

Source(s): Permit Process

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.

Confidence: High (0.9)

Source(s): About, 2026 Self-Generation Incentive Program Handbook, SGIP Program Metrics and Incentive Step Tracker

Permit fees

Not yet verified.

Rebates

Not yet verified.

Utility and generation supplier

Utility

Pacific Gas & Electric (PG&E)

Confidence: High (0.9)

Source(s): Permit Process

Generation supplier

MCE (Marin Clean Energy) (Community Choice Aggregator)

MCE's own service-area page confirms Larkspur as one of Marin County's member communities. PG&E continues to deliver the power and provide billing/customer service.

Confidence: High (0.85)

Source(s): Service Area

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.

Confidence: Medium (0.55)

Permit authority

City of Larkspur Building Department

Confidence: High (0.9)

Source(s): Permit Process

Permit page: https://cityoflarkspur.org/881/Permit-Process

Required documents

Not yet verified.

Inspection steps

  • Only one inspection is required, performed by the Building Division, for a small residential rooftop solar energy system eligible for expedited review
  • Schedule by calling the City of Larkspur Building Department at 415-927-5038

Confidence: High (0.8)

Source(s): Permit Process

Eligibility constraints

  • Property types: residential
  • Max system size (AC): Not yet verified.
  • Max system size (DC): Not yet verified.
  • Max thermal capacity: Not yet verified.
  • Program/pathway: Simple permit (residential roof-mounted solar PV with plans)
  • Other conditions:
    • Solar energy systems are permitted in all zoning districts unless the Community Development Director or Chief Building Official determines a specific adverse public health/safety impact, in which case a conditional use permit is required

Confidence: High (0.8)

Source(s): Permit Process

Official contacts

Confidence: High (0.85)

Need a solar installer who handles permits in Larkspur?

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 has a partner relationship with EnergySage; this link is not currently tracked, and whether the partnership results in compensation to GridPermit has not yet been confirmed.

Sources

Frequently Asked Questions

What utility serves solar customers in Larkspur, California?

Pacific Gas & Electric (PG&E) is the interconnection and distribution utility for Larkspur. The default electricity generation supplier is MCE (Marin Clean Energy), a Community Choice Aggregator (CCA), separate from Pacific Gas & Electric (PG&E).

How long does a residential solar permit take in Larkspur?

Simple permits, including residential roof-mounted solar PV with plans, can generally be issued within 2-3 working days once the City determines the submission complete.

Who do I contact about solar permits in Larkspur?

City of Larkspur Building Department, phone 415-927-5038.

Disclaimers: This page is for informational purposes only and is not legal, engineering, financial, tax, or permit advice. GridPermit is not a solar installer, contractor, engineering firm, public utility, or government agency. Requirements, fees, and program terms change. Verify current requirements with City of Larkspur Building Department and PG&E before starting a project. Last verified 2026-08-09.

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