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California / Local permit guide

Redwood City Solar Permit Guide

Your local requirements. The official sources. A clearer next step.

Electric utility
Pacific Gas and Electric Company (PG&E)Source linked
Review time
0–3 daysSee source scope and conditions below.
See your permit path

San Mateo County · Explore related utility guides

Redwood City Solar Permit Checklist
Printed from mygridpermit.com/california/redwood-city/solar-permit-guide/ · Last verified 2026-08-11 · City of Redwood City Building Inspection & Code Enforcement Division / PG&E · Verify current requirements before relying on this checklist. Programs and fees change.
Source healthLast verified 2026-08-1110 official sources5 of 6 core facts verified
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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 Redwood City Building Inspection & Code Enforcement Division and PG&E before making a decision.

Research coverage

Your permit path,
at a glance.

This shows what GridPermit has verified for Redwood City. It does not show the status of a specific project.

  1. 01Permit authorityCity of Redwood City Building Inspection & Code Enforcement DivisionAuthority sourced
  2. 02DocumentsChecklist includes conditional itemsConditions apply
  3. 03InspectionInspection guidance for Redwood CitySteps sourced
  4. 04Utility & PTOPacific Gas and Electric Company (PG&E)Utility path sourced

01 / Know your path

Two approvals.
One project.

Local authority

Permit & inspection

City of Redwood City Building Inspection & Code Enforcement Division

Local requirements
Electric utility

Interconnection & PTO

Pacific Gas and Electric Company (PG&E)

Utility requirements

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

Redwood City Code Section 9.216(A): 'The Building Official shall issue a building permit or other nondiscretionary permit the same day for over-the-counter applications or within one (1) to three (3) business days of receipt of a complete application...for electronic applications.'

Sources & confidence

Confidence: High (0.85)

Source(s): Article XII - Residential Rooftop Solar Energy Systems (Redwood City City Code, Chapter 9 - Buildings)

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

Confidence: High (0.9)

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

02 / Prepare your application

What you need.

0 of 1 markedSaved only on this device; not confirmation of permit readiness.

Sources & confidence

Confidence: High (0.8)

Source(s): Article XII - Residential Rooftop Solar Energy Systems (Redwood City City Code, Chapter 9 - Buildings)

Permit fees

Not yet verified.

Rebates on record

Rebates on record

Not yet verified.

Utility and generation supplier

Utility

Pacific Gas and Electric Company (PG&E)

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

Confidence: High (0.85)

Source(s): PG&E's Electric Service Territory

Generation supplier

WestLight Energy (formerly Peninsula Clean Energy) - ECOplus (default) (Community Choice Aggregator)

San Mateo County's CCA program enrolls all county jurisdictions' customers by default (opt-out model), consistent with the default-enrollment pattern directly confirmed for other San Mateo County cities (e.g. 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

Confidence: Medium (0.7)

Source(s): WestLight Energy (Homepage) - 'Peninsula Clean Energy is now WestLight Energy'

Interconnection

https://www.pge.com/en/about/doing-business-with-pge/interconnections/net-energy-metering-program.html

PG&E's own Net Energy Metering (NEM) program page — a utility-wide fact already established for other PG&E-territory records in this dataset.

Confidence: Medium (0.6)

Permit authority

City of Redwood City Building Inspection & Code Enforcement Division

The City's own 'SolarAPP+ Permitting Guide' PDF, however, triggers a file-download dialog rather than a viewable page and could not be read. 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

Confidence: High (0.85)

Source(s): SolarAPP+ Automatic Permitting

Permit page: https://www.redwoodcity.org/departments/community-development-and-transportation/building-inspection-code-enforcement/solarapp-automatic-permitting

Inspection steps

  • Submit an online building inspection request via eTRAKiT, providing the permit number, project address, inspection type(s), and contact name/number
  • Inspections are available Monday-Friday 9am-4pm; check Today's Building Inspections after 9am on the day of your inspection for your estimated 2-hour arrival window
  • Cancellations can currently also be made by calling the Inspection Line at (650) 780-7361

This is the City's general Building Division inspection-scheduling process (the same page covers all building permit types, including solar); the City does not publish a separate, solar-specific inspection sequence.

Sources & confidence

Confidence: Medium (0.75)

Source(s): Schedule a Building Inspection

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: Expedited Residential Rooftop Solar Energy Systems permitting (City Code Ch. 9, Article XII)
  • 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
    • Only one consolidated inspection is required for eligible systems, scheduled within 2 business days of request
    • Approval cannot be conditioned on approval of an association (HOA)
Sources & confidence

Confidence: High (0.85)

Source(s): Article XII - Residential Rooftop Solar Energy Systems (Redwood City City Code, Chapter 9 - Buildings)

Official contacts

Official contacts

Confidence: Medium (0.6)

Need a solar installer who handles permits in Redwood City?

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

Frequently Asked Questions

What utility serves solar customers in Redwood City, California?

Pacific Gas and Electric Company (PG&E) is the interconnection and distribution utility for Redwood City. The default electricity generation supplier is WestLight Energy (formerly Peninsula Clean Energy) - ECOplus (default), a Community Choice Aggregator (CCA), separate from Pacific Gas and Electric Company (PG&E).

How long does a residential solar permit take in Redwood City?

Redwood City Code Section 9.216(A): 'The Building Official shall issue a building permit or other nondiscretionary permit the same day for over-the-counter applications or within one (1) to three (3) business days of receipt of a complete application...for electronic applications.'

What documents are required for a solar permit in Redwood City?

Commonly required documents include: Standard Plan and Checklist (per the California Solar Permitting Guidebook), adopted by the City Building Department.

Who do I contact about solar permits in Redwood City?

SGIP Program Administrator (PG&E territory).

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 Redwood City Building Inspection & Code Enforcement Division and PG&E before starting a project. Last verified 2026-08-11.

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