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California / Local permit guide

Brentwood Solar Permit Guide

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

Permit authority
City of Brentwood Building DivisionSource linked
Electric utility
Pacific Gas & Electric (PG&E)Source linked
Review time
Same-day review for eligible expedited-permit projectsNo verified standard-path permit timeline is available.See source scope and conditions below.
See your permit path

Contra Costa County · Explore related utility guides

Source healthLast verified 2026-10-085 official sources5 of 6 core facts verified
Jump to a section
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 Brentwood Building Division and PG&E before making a decision.

Research coverage

Your permit path,
at a glance.

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

  1. 01Permit authorityCity of Brentwood Building DivisionAuthority sourced
  2. 02DocumentsChecklist includes conditional itemsConditions apply
  3. 03InspectionInspection guidance for BrentwoodSteps sourced
  4. 04Utility & PTOPacific Gas & Electric (PG&E)Utility path sourced

01 / Know your path

Two approvals.
One project.

Local authority

Permit & inspection

City of Brentwood Building Division

Local requirements
Electric utility

Interconnection & PTO

Pacific Gas & Electric (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

Same-day review for eligible expedited-permit projects

No verified standard-path permit timeline is available.

The City's SolarAPP Submittals page says eligible projects use an automated SolarAPP+ portal and that, after the application is submitted and fees are paid, the permit is issued.

Sources & confidence

Confidence: High (0.8)

Source(s): SolarAPP Submittals

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

02 / Prepare your application

What you need.

0 of 4 markedSaved only on this device; not confirmation of permit readiness.

Sources & confidence

Confidence: High (0.85)

Source(s): SolarAPP Submittals

Permit fees

Not yet verified.

Rebates on record

Rebates on record

Not yet verified.

Utility and generation supplier

Utility

Pacific Gas & Electric (PG&E)

Brentwood is a well-documented Contra Costa County city within PG&E's core Northern California service territory.

Sources & confidence

Confidence: High (0.9)

Source(s): SolarAPP Submittals

Generation supplier

Not yet verified.

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 Brentwood Building Division

Sources & confidence

Confidence: High (0.9)

Source(s): SolarAPP Submittals

Permit page: https://www.brentwoodca.gov/government/community-development/development-services/solarapp-submittals

Inspection steps

  • Schedule a Final Inspection (Code *3195)
Sources & confidence

Confidence: Medium (0.65)

Source(s): SolarAPP Submittals

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 streamlined solar permitting for small residential rooftop systems / SolarAPP+ fast-track for simple rooftop PV
  • Other conditions:
    • Streamlined process covers systems no larger than 10kW AC nameplate rating or 30kW thermal, on single- or duplex-family dwellings
    • Solar energy systems must conform to applicable state fire, structural, electrical, and other building codes, and to Civil Code Section 714(c)
    • Only one inspection required (may include a consolidated inspection) for a small residential rooftop solar energy system
    • Non-standard or battery-storage systems require full plan check
Sources & confidence

Confidence: Medium (0.75)

Source(s): SolarAPP Submittals

Official contacts

Official contacts

Confidence: Medium (0.7)

Need a solar installer who handles permits in Brentwood?

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 Brentwood, California?

Pacific Gas & Electric (PG&E) is the interconnection and distribution utility for Brentwood.

How long does an expedited-eligible residential solar permit take in Brentwood?

The City's SolarAPP Submittals page says eligible projects use an automated SolarAPP+ portal and that, after the application is submitted and fees are paid, the permit is issued. No verified standard-path permit timeline is available.

What documents are required for a solar permit in Brentwood?

Commonly required documents include: SolarAPP+ Approval Document; Completed Declarations Form (signed by the contractor); Completed Residential Smoke and Carbon Monoxide Alarm Certification (signed by the property owner); Completed Authorization to Act as Agent Form (signed by the property owner).

Who do I contact about solar permits in Brentwood?

City of Brentwood Building Division, phone 925-516-5405.