Permits and roofing rules in Orange

California rules that apply here too

State-level requirements sit underneath everything above. They are included because more than one of them is commonly misstated, and because a homeowner who knows them can tell a careful quote from a careless one.

Fire classification: what is actually required, and where

The statewide floor is a Class C fire-retardant roof covering. That applies to a new roof, to any repair or replacement, and to any existing building where more than half the roof area is replaced within a year — which is every ordinary re-roof.

The highest classification, Class A, is pulled in by fire hazard severity zoning or wildland-urban interface designation, and by local ordinances that reach further. Over most of south Orange County the answer ends up being Class A — but it gets there through the zoning and the city, not through a blanket state rule, so it is a question to settle for your address.

One citation to watch for: since 1 January 2026 the wildfire provisions are their own volume, the California Wildland-Urban Interface Code at Title 24 Part 7. It absorbed what used to be building code Chapter 7A and residential code section R337. Anyone still quoting Chapter 7A is quoting a superseded document.

Licensing, deposits and what has to be on the paperwork

Roofing is the C-39 classification with the Contractors State License Board. The minor-work exemption that lets very small jobs be done unlicensed rose to $1,000 at the start of 2025, but it does not apply to work that requires a permit — and a re-roof requires a permit. The practical rule is therefore simpler than the statute: a re-roof needs a licensed contractor, whatever it costs.

Deposits are capped by statute at $1,000 or ten per cent of the contract, whichever is smaller, unless the contractor carries a blanket performance and payment bond with the board. Going over it is a misdemeanour, and in a declared disaster area the court must impose the maximum fine — which says something about how often it is tried after a storm.

Licence numbers are required in all advertising and on contracts, subcontracts and bids. An advert without one is itself information. The board’s register settles it in under a minute and the minute is worth spending.

The right to cancel

A home improvement contract can normally be cancelled within three business days, and within five if the buyer is a senior citizen. Where the contract is to repair or restore residential damage from a disaster or a declared state of emergency, that window is seven business days.

That longer window exists because of what happens on a street after a storm. Nothing has to be signed at the door — and if something was, the clock above is why it is worth re-reading tonight rather than tomorrow.

The code your roof will be built to

California re-roofs are built to Title 24, the California Building Standards Code. The 2025 edition took effect on 1 January 2026 and applies to any project whose permit application was made on or after that date. If your last roof went on before then, it was built to a different edition, and some of what was acceptable on it is not acceptable now.

This is practical rather than academic. A contractor quoting from memory instead of from the edition currently in force will occasionally price a detail that will not pass — and the inspection comes at the end of the job, not the beginning.

Tear-off waste and where it goes

CALGreen’s 65 per cent diversion requirement for construction and demolition waste attaches to additions and alterations that increase a building’s conditioned area, volume or size. A straight re-roof does none of those, so the state mandate generally does not reach it.

Local ordinances often do, and the state code explicitly allows a city to be stricter. Several cities capture roofing work through their own construction and demolition rules by permit valuation, which can mean a deposit and a diversion report on an ordinary house. It is a question for your city, and it is worth asking before the skip arrives rather than after.