58
California Counties
24h
Avg. Turnaround
2,500+
Plan Sets / Month
150+
Installer Partners
Rated 5★ by 50+ solar installers
Complete Plan Set Contents

What's in Your California Solar Permit Plan Set

Every California solar permit plan set from our solar permit design team is a complete, submission-ready package. Your AHJ receives everything they need — no back-and-forth, no missing pages.

01

📄 Cover Sheet

Project summary, designer credentials, adopted code (NEC 2022), applicable NEC articles, and all project identification required by California AHJs.

02

🗺️ Site Plan

Overhead aerial view showing property setbacks, main panel location, utility meter, California fire code access pathways, and panel-to-inverter routing.

03

🏠 Roof Layout

Precise panel array layout, roof pitch and material, compass orientation, structural attachment points, and fire setback clearances for California.

04

⚡ Single-Line Diagram

Complete electrical schematic from PV source circuits through inverter to utility interconnection — fully compliant with NEC 2022 Article 690.

05

🔌 Three-Line Diagram

Per-phase wiring detail with conductor sizing, OCPD ratings, and grounding — required by many California AHJs for battery systems and larger residential arrays.

06

🔒 Rapid Shutdown Docs

Complete NEC 690.12 rapid shutdown documentation — system type, component locations, required labels — built for every California fire inspector's checklist.

07

🏷️ Labels & Placards

All NEC-required warning labels, AC/DC disconnect labels, rapid shutdown placards, and code signage for your specific California installation configuration.

08

📊 Equipment Datasheets

Manufacturer spec sheets for modules, inverter, optimizers, racking, and battery storage. Required by every California AHJ and utility interconnection team.

09

🔄 Utility Interconnection

Interconnection drawings formatted for Southern California Edison, Pacific Gas & Electric, and all California utilities — submit to AHJ and utility simultaneously without separate documentation.

California Solar Permit Design — Code Standards

California Solar Permit Drawing Requirements

California uses NEC 2022 under the California Electrical Code (CEC) Title 24 Part 3. California solar permit drawings must comply with CEC-specific amendments including California's mandatory rapid shutdown requirements, NEM 3.0 interconnection requirements for SCE, PG&E, and SDG&E, and local fire code setbacks under California Fire Code Section 605.11. Many California AHJs also require solar permit plan sets to include a completed utility interconnection pre-approval form.

📋 Electrical Code: NEC 2022

All California solar permit drawings must comply with NEC 2022 & California Electrical Code (CEC) Title 24. This includes NEC Article 690 (Solar PV Systems), Article 705 (Interconnected Power Production Sources), and NEC 690.12 (Rapid Shutdown).

  • NEC Article 690 — Solar PV system wiring
  • NEC Article 705 — Utility interconnection
  • NEC 690.12 — Rapid shutdown requirements
  • Local California amendments to base NEC
  • AHJ-specific submittal requirements

🏛️ California AHJ Requirements

California has 58 counties each with their own solar permit documentation requirements. Key AHJs include Los Angeles LADBS, San Diego Development Services, and Sacramento County Building — each with distinct submittal checklists.

  • Los Angeles LADBS — permit portal and format requirements
  • San Diego Development Services — structural documentation requirements
  • Sacramento County Building — fire department access documentation
  • Rural California AHJs — streamlined but code-compliant

🔌 Utility Interconnection: SCE & PG&E

Beyond AHJ submission, California solar projects require utility interconnection drawings. Southern California Edison and Pacific Gas & Electric each have specific solar engineering drawing requirements.

Every California plan set includes utility-ready interconnection documentation — no separate package needed.

⚡ Rapid Shutdown (NEC 2022)

Every California residential solar permit drawing set must document NEC 690.12 rapid shutdown compliance. Missing or incomplete rapid shutdown documentation is the most common correction request from California AHJs.

Our California solar plan sets include complete, inspection-ready rapid shutdown documentation on every submission.

📚 Code & Compliance Resources
2024 California Solar Market

California Solar Permit Market — By the Numbers

California is the #1 solar market in the US for residential solar installations. With approximately 2,280 MW of residential solar installed in 2024 and average AHJ review times of 15 business days at Los Angeles LADBS, getting your permit documentation right on the first submission directly impacts project profitability. The SGIP Battery Storage Incentive is the primary state-level financial incentive driving installer activity in California.

For California solar installers, permit turnaround time is a direct cost. Every business day a permit sits in AHJ review is a day the project cannot be installed — and 15 days is the average at Los Angeles LADBS. Jurisdictions that receive complete, AHJ-ready plan sets on first submission consistently process permits faster than the average. An incomplete first submission at Los Angeles LADBS can add another 15 days or more to your project timeline, pushing installation and PTO out by weeks.

Our California solar permit drawing service is purpose-built for this reality. Every plan set we produce for California projects is prepared to Los Angeles LADBS's specific checklist — not a generic national template. That means our California clients average first-pass approval rates well above the statewide average, and spend far less time chasing corrections, resubmitting paperwork, or explaining documentation to California reviewers.

2,280 MW
2024 Residential Installs
15 days
Avg AHJ Review (Los Angeles LADBS)
#1
US Solar Market Rank
NEC 2022
Current Adopted Code
📋 Recent Project — California

Riverside, California: Residential solar permit drawing package submitted to Riverside Building & Safety. Our team prepared the complete plan set — cover sheet, site plan, roof layout, single-line diagram, three-line diagram, rapid shutdown documentation, and all NEC 2022 labels. AHJ approval received in 12 business days — first submission, no corrections requested.

Permit Approval Timeline

From Order to California Permit — Step by Step

Here's exactly what happens from the moment you order to the moment your California permit is approved and your system is online.

1

Order Submitted

Send us the California address, roof photos, system specs, and equipment models — takes under 5 minutes.

Day 1
2

Drawings Prepared

Our California design team builds your complete solar permit plan set to California AHJ and code standards.

24–48 hours
3

Delivered to You

You receive the complete AHJ-ready package — every sheet needed for California permit submission.

24–48 hours
4

AHJ Review

California AHJs like Los Angeles LADBS review the permit package. We handle any revisions at no charge.

2–6 weeks
5

Permit Issued

Permit issued — install the system, pass final inspection, and your utility processes PTO.

1–3 wks post-install

Typical California AHJ review time: 2–6 weeks. Submitting a complete, first-pass-ready plan set is the single best way to minimize your total project timeline.

California Utility Coverage

California Solar Permit Plan Sets — Accepted by Every California Utility

Every California solar permit plan set we produce includes interconnection drawings formatted to each utility's specific requirements. One package — AHJ and utility both covered.

SCE
Southern California Edison
Southern & Central CA
PG&E
Pacific Gas & Electric
Northern & Central CA
SDG&E
San Diego Gas & Electric
San Diego County
LADWP
Los Angeles Dept. of Water & Power
City of Los Angeles
Expert Oversight

Led by Licensed California Solar Engineers

Every California solar permit plan set is reviewed by our senior design team before delivery, ensuring 100% compliance with NEC 2022 and California AHJ requirements. We don't just draw plans — we engineer them for first-pass approval and long-term safety.

  • ✓ 15+ Years Experience: Specialized in residential solar PV and energy storage permit design across California.
  • ✓ California AHJ Specialists: Deep, hands-on expertise with Los Angeles LADBS and California submittal portals statewide.
  • ✓ Rapid Revision Support: Engineering support available same-day for complex California AHJ correction requests.
  • ✓ NEC 2022 Current: Our team tracks every California code adoption and local amendment — your plan set is never submitted under the wrong edition.
DM
David R. Miller, PE
Senior Solar Design Engineer

“My focus is eliminating soft costs for California solar installers. A plan set needs to be so accurate that the Los Angeles LADBS reviewer has no reason to issue a correction. We stay ahead of NEC 2022 so you can stay on the roof.”

Licensed PE NEC 690 Expert California AHJ Specialist
Client Reviews

What California Solar Installers Say

★★★★★

California AHJs are the most demanding in the country and Permit Design handles every requirement perfectly. Their solar permit drawings pass LADBS, San Diego, and every CA county AHJ on the first submission.

Solar Installer
Los Angeles, CA
★★★★★

We rely on Permit Design for all our California solar permit plan sets. Their solar engineering drawings meet SCE, PG&E, and SDG&E interconnection requirements with zero corrections — every time.

EPC Company
San Diego, CA
★★★★★

The best solar permit drawing service for California. They know Title 24, NEC 2022, and every CA AHJ nuance. Our approval rates went to near 100% first-pass after switching.

Roofing & Solar Co.
San Jose, CA
Statewide California Coverage

Every California City & County — Solar Permit Design Coverage

Our solar permit design services cover residential solar permit drawings for every California AHJ across all 58 counties. Click any city for location-specific solar permit plan set information.

Frequently Asked Questions

California Solar Permit Drawings FAQ

What are the solar permit drawing requirements in California?

California uses NEC 2022 under the California Electrical Code (CEC) Title 24 Part 3. California solar permit drawings must comply with CEC-specific amendments including California's mandatory rapid shutdown requirements, NEM 3.0 interconnection requirements for SCE, PG&E, and SDG&E, and local fire code setbacks under California Fire Code Section 605.11. Many California AHJs also require solar permit plan sets to include a completed utility interconnection pre-approval form.

What does a California solar plan set include?

A complete California solar plan set includes cover sheet, site plan, roof layout, single-line electrical diagram, three-line diagram (where required), rapid shutdown documentation per NEC 690.12, equipment datasheets, NEC labels, and utility interconnection drawings for SCE and PG&E.

How long does solar permit approval take in California?

Most California AHJs review residential solar permit applications within 2–6 weeks. Turnaround varies by jurisdiction — submitting a complete, AHJ-ready plan set on first submission is the single most effective way to minimize permitting time.

What electrical code does California use for solar permit drawings?

California uses NEC 2022 as adopted by the California Electrical Code (CEC) Title 24 Part 3, with California-specific amendments. All California solar permit drawings must comply with CEC requirements including California's mandatory rapid shutdown provisions and California Fire Code Section 605.11 rooftop setbacks.

What are California NEM 3.0 solar permit drawing requirements?

Under NEM 3.0, California solar permit plan sets must include documentation supporting the interconnection application to SCE, PG&E, or SDG&E. This includes a single-line diagram, site plan, equipment specifications, and for most projects, a completed utility pre-approval form. Our California solar engineering drawings are formatted to meet NEM 3.0 documentation requirements.

Do California solar permit drawings need to meet Title 24 energy compliance?

California Title 24 Part 6 (energy code) can affect solar permit documentation for new construction. For retrofits on existing homes, the primary requirement is California Electrical Code (Title 24 Part 3) compliance. Our team verifies Title 24 applicability for every California project.

Which California AHJs have the most complex solar permit requirements?

Los Angeles (LADBS), San Francisco, and San Diego have some of California's most detailed solar permit drawing requirements. LADBS requires specific plan sheet formats and fire department setback documentation. San Francisco has additional seismic and structural requirements. Our team knows every California AHJ's specific solar plan set expectations.

Order Your California Solar Plan Set
Fast. Accurate. First-Pass Approved.

Complete California solar permit drawings, engineering drawings, and utility interconnection documentation — delivered in 24–48 hours for any California AHJ.

Order Your California Plan Set Now
📧contact@permitdesign.com 📞(914) 455-0505 ⏱️24–48 hr turnaround Free revisions 📐All 58 counties covered
Serving States Near California

Solar Permit Drawings in States Near California

We provide residential solar permit drawings and plan sets across all 50 states. Explore our solar permit design services in states neighboring California.