Permitio Blog
Guides, tips, and insights for HVAC contractors navigating permits.
Battery Storage (Powerwall) Permit Requirements in California: A 2026 Contractor Guide
CEC Article 706, R327 fire setbacks, NEM 3.0 paired storage, SGIP rebate documentation, Bay Area fees, and how to keep PG&E interconnection in sync with the city permit.
Solar Permit Filing in California: SolarAPP+, AB 2188, and What Contractors Get Wrong
When SolarAPP+ instant permitting works and when it does not, AB 2188 fee caps and timelines, R324 fire setbacks, and the structural and interconnection mistakes that delay PTO.
EV Charger (Level 2) Permit Requirements in California: A 2026 Contractor Guide
AB 1236 expedited permitting, NEC load calculations, panel upgrades, Bay Area fees, and the rebate documentation rules every C-10 should know.
Unpermitted HVAC Work and Home Sale Disclosure in California: What Sellers and Contractors Need to Know
Civil Code 1102 disclosure obligations, lender risk, retroactive permit cost and timing, and how to close escrow without a holdback fight.
How to Pull an HVAC Permit in California: A Step-by-Step Guide for Contractors
The full process from jurisdiction lookup through final inspection. Title 24 forms, OTC review, common rejections, and the exact order of operations.
Your HVAC Business Can Face Criminal Charges, Not Just You: What Owners Need to Know
Why the LLC is not a legal shield. Entity-level criminal liability, Virginia licensing penalties, void contracts, and the compliance floor every HVAC owner should be hitting.
Furnace Replacement Permit Requirements in California: What HVAC Contractors Need to Know
Title 24 CF-1R requirements, combustion air, flue sizing, condensate drains, Bay Area fees, and the inspection failures that delay furnace change-outs.
Duct Replacement Permit Requirements in California: What HVAC Contractors Need to Know
HERS duct leakage testing, R-value insulation requirements, fire dampers, Bay Area fees, and why duct permits take longer than equipment permits.
How to Handle a Permit Rejection in California (And Avoid Resubmission Delays)
Common rejection reasons by Bay Area jurisdiction, resubmission timelines city by city, and how to get your permit approved on the next try.
Heat Pump Permit Requirements in California: A 2026 Contractor Guide
Mechanical and electrical permits, panel upgrades, Title 24, HERS testing, and how to keep TECH and BayREN rebates on track.
Water Heater Permit Requirements in California: What Plumbing Contractors Need to Know
Strapping, expansion tanks, heat pump water heater rules, Bay Area fees, and the inspection mistakes that get permits rejected.
Electrical Permit Requirements in California: What Contractors Need to Know in 2026
When you need an electrical permit, the filing process across California cities, EV charger and solar permits, and the mistakes that cause rejections.
How to Get an Electrical Permit in California: A Contractor's Guide
Everything California contractors need to know about pulling electrical permits. Panel upgrades, EV charger installs, solar connections, fees, and common mistakes.
7 Permit Filing Mistakes That Cost Contractors Weeks of Delays
The most common permit filing errors and how to avoid them. Wrong permit types, incomplete apps, jurisdiction mix-ups, and more.
Plumbing Permit Requirements in California: What Contractors Need to Know
When you need a plumbing permit, costs across California cities, gas line and sewer lateral requirements, and the mistakes that cause rejections.
Do I Need a Permit to Replace My HVAC System?
When you do and don't need permits for HVAC replacement. Full system swaps, like-for-like, heat pumps, and what happens if you skip it.
HVAC Permit vs Building Permit: What's the Difference?
Mechanical permits, building permits, and when you need both. The confusion that trips up even experienced contractors.
How Long Does an HVAC Permit Take in California?
Over-the-counter, electronic, and plan review timelines across Bay Area cities. What slows things down and how to speed it up.
Title 24 HVAC Requirements in 2026: What Contractors Need to Know
CF-1R forms, climate zones, HERS testing, and the most common Title 24 mistakes that get permits rejected.
What Happens If You Do HVAC Work Without a Permit in California?
Fines, stop-work orders, license risk, and a real story of a contractor who got caught. Plus how to retroactively permit work.
HVAC Permit Costs in the Bay Area: A City-by-City Breakdown
Filing fees, plan review fees, HERS testing, and the true cost including your time. Compared across 12 Bay Area cities.
Filing an HVAC Permit in San Francisco Took Me 3 Hours. Here's What I Learned.
The real experience of filing through SF DBI, what trips most contractors up, and how to avoid the most common mistakes.
The Real Cost of Pulling HVAC Permits in the Bay Area
The filing fee is just the start. Here's what permits actually cost when you factor in time, rejections, and delayed jobs.
The Complete Guide to HVAC Permit Software in 2026
What to look for in permit filing software, how AI is changing the game, and why manual filing is costing your business.
How AI Permit Filing Saves Contractors 10+ Hours Per Week
A breakdown of how AI-powered permit automation works and the real time savings contractors are seeing.