Permits and roofing rules in La Habra Heights

What California requires everywhere

These are not specific to La Habra Heights, but they apply to it, and several of them are widely got wrong — including by contractors quoting from habit rather than from the current code.

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 frequently do, and the state code expressly lets a city be stricter. Plenty of cities capture roofing through their own construction and demolition rules by permit valuation, which can mean a deposit and a diversion report on an ordinary house. Ask the city before the skip is ordered rather than after.

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.

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 Anyone still quoting Chapter 7A is quoting a superseded document.

How many layers can stay on

A new covering may not be laid over the old one where there are already two applications of any type on the roof, where the existing roof or covering is water-soaked or has deteriorated enough that it is no longer a sound base, or where the existing covering is slate, clay, cement or asbestos-cement tile. In those cases the roof comes off to the deck.

Two layers is therefore the practical ceiling, and on an older house nobody knows how many are up there until somebody looks. That is the single most common reason a re-roof price changes after the work starts, and it is a fair reason to ask for the quote to state what happens if a third layer appears.

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.

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.