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California Roof Pros

California Roof Pros is a licensed roofing contractor serving Danville, California, from our office at 5650 Imhoff Drive in Concord, about 20 minutes north on I-680. We handle residential roof repair, full replacement, and inspections throughout the San Ramon Valley, and we pull permits directly with the Town of Danville Building Division.

CSLB License #1158153 | GAF Certified | Licensed, Bonded, and Insured


Call (925) 412-4584 for a same-day quote.

Why Danville Roofs Are Reaching End of Life Right Now

Danville’s median home was built in 1980. That single number explains most of the roofing calls coming out of this market.

A home built in 1980 has typically been re-roofed once, somewhere in the mid-to-late 1990s or early 2000s, often with a 25 or 30-year architectural composition shingle. That second roof is now 25 to 30 years old. In the Danville climate, with hot inland summers, real UV load, and winter rain running off steep-pitched roofs, that is the window where granule loss, cracked field shingles, and failing valley flashing start producing interior leaks.

Danville also has about 16,000 housing units, roughly 77% of which are detached single-family homes. These are not small roofs. Four and five-bedroom homes on large lots are the norm here, which means square footage, multiple roof planes, complex valleys, and often a tile or heavyweight profile that changes the entire scope of a replacement.

What that means practically: if your home was built between 1975 and 1990 and you have not replaced the roof since the early 2000s, you are in the range where an inspection is worth doing before the first serious storm rather than after.

 

What the Town of Danville Actually Requires for a Re-Roof

This is where most homeowners, and a surprising number of contractors, get caught. Danville’s re-roof requirements are stricter and more specific than most surrounding jurisdictions. Here is what the Town actually requires.

A completed Re-Roof Questionnaire, signed under penalty of perjury

The Town of Danville requires a specific Re-Roof Questionnaire as part of the permit. It asks for your existing roofing material, the proposed new material, the square footage, whether plywood underlayment is being installed, and whether existing solar panels will be removed and reinstalled. If a different company is reinstalling the solar, their state license number has to be listed on the form. The form is signed under penalty of perjury.

Two inspections, not one

Danville requires two separate inspections on a residential re-roof: a roof deck (plywood) inspection and a building final. A contractor who schedules only a final has not read the Town’s requirements and your permit will not close out.

A tear-off letter on company letterhead

Instead of a separate tear-off inspection, the Town requires the roofing contractor to provide a letter on company letterhead explaining how and where damaged decking material was replaced, or stating that no damaged material was found during tear-off. That letter is required to complete final approval. If your contractor cannot produce one, your permit does not close.

A heavy-duty extension ladder on site

Before inspections, the contractor must supply a Type 1 heavy-duty extension ladder, extended a minimum of three feet above the roof edge and secured to the structure. Inspectors will not go up otherwise, and you lose the inspection slot.

Engineering review if the new roof is heavier than the old one

This is the one that surprises Danville homeowners most. If your new roofing material exceeds the pounds-per-square-foot of the existing material, the Building Official may require a detailed roof plan showing the type, dimension, spacing, and span of your roof framing members. In some cases the Town requires a wet-stamped letter from a licensed engineer confirming the framing can carry the load, and may also require an analysis of the building’s lateral resistance.

In plain terms: going from composition shingle to concrete or clay tile in Danville is not just a material upgrade. It is a structural question, and it can add engineering cost and weeks to your timeline if it is not identified before you sign a contract. We flag this at the estimate stage, not after tear-off.

Class A, B, or C fire rating per the Town Roofing Ordinance

The Town’s own permit worksheet specifies the required fire classification per the Danville Roofing Ordinance. Danville also maintains a Very High Fire Hazard Severity Zone designation in its municipal code, and parts of Danville sit in mapped fire hazard zones within Contra Costa County’s local responsibility area.

This matters and it is parcel-specific. Two homes on the same street can carry different obligations depending on where the zone boundary falls. In a Very High Fire Hazard Severity Zone, a Class A roof assembly is required, and wood shakes are off the table. Given how many Danville homes were originally built with wood shake in the seventies and eighties, this comes up constantly on replacements.

We verify the fire zone designation for your specific address as part of every Danville inspection rather than assuming from the zip code. It also matters for your insurance. California’s wildfire hardening framework treats a documented Class A roof as an anchor mitigation measure, which is relevant if you are dealing with FAIR Plan coverage or trying to get back into the voluntary market.

Roofing Services We Provide in Danville

Roof Replacement. Full tear-off and replacement on composition shingle, lightweight tile, heavyweight tile, metal, and built-up systems. We handle the framing load question up front when a material change is involved.


Roof Repair. Leak diagnosis, flashing repair, valley and penetration repair, slipped and cracked tile replacement, and dry rot repair on decking and fascia.
Roof Inspection. Free inspection including fire hazard severity zone verification for your parcel, remaining service life estimate, and a written report with photos.

Solar Coordination. Many Danville homes have rooftop solar. We coordinate removal and reinstallation, and we make sure the licensing detail the Town’s questionnaire requires is handled correctly.

Storm and Emergency Repair. Same-day emergency response for active leaks.

Frequently Asked Questions About Roofing in Danville

Do I need a permit to replace my roof in Danville?

Yes. The Town of Danville requires a building permit for residential re-roofing. The Town offers online submittal for simple residential re-roof permits through its permit portal. As your contractor, we pull the permit and manage the inspection schedule. The Building Division is at 500 La Gonda Way, Danville, CA 94526.

How many inspections does a Danville re-roof require?

Two. Danville requires a roof deck (plywood) inspection and a building final. In place of a separate tear-off inspection, the Town requires a letter from the roofing contractor on company letterhead documenting any damaged decking that was replaced. That letter is required before the permit will close.

Can I install a new roof over my existing roof in Danville?

The California Building Code allows some overlay installations if the manufacturer approves them, but the Town of Danville explicitly does not recommend it. If an overlay is proposed, the Town requires the manufacturer's cut sheets to be provided to the inspector in the field to confirm the assembly and the minimum attachment method. In most Danville homes we recommend a full tear-off, both for the decking inspection and because it is the only way to know what is actually under the old roof.

Does switching from shingles to tile require an engineer in Danville?

Often, yes. When the new roofing material weighs more per square foot than the existing material, the Danville Building Official may require a detailed roof framing plan, and in some cases a wet-stamped letter from a licensed engineer confirming the framing can support the added load. A lateral resistance analysis may also be required. We identify this during the estimate so the engineering cost and timeline are in your budget from the start, not discovered mid-project.

Is my Danville home in a fire hazard severity zone?

It depends on the parcel, not the city. Danville has a Very High Fire Hazard Severity Zone chapter in its municipal code, and portions of Danville fall within mapped fire hazard zones in Contra Costa County's local responsibility area. Homes closer to open space and the Mount Diablo foothills are more likely to be affected. Zone boundaries can split a single street. We verify the designation for your specific address as part of the inspection, because it determines whether a Class A assembly is mandatory.

Are wood shake roofs allowed in Danville?

Wood shakes are prohibited in mapped fire hazard severity zones. Many Danville homes built in the 1970s and 1980s originally had wood shake, and those roofs are replaced with Class A rated composition, tile, or metal assemblies. The Town's re-roof questionnaire still asks you to identify existing and proposed material, and the required fire classification is specified per the Town Roofing Ordinance.

How fast can you get to Danville for an emergency leak?

Our office is at 5650 Imhoff Drive in Concord, roughly 20 minutes from Danville via I-680. We respond to emergency roof leaks seven days a week. Call (925) 412-4584.

Get a Free Roof Inspection in Danville

Call (925) 412-4584 or request an inspection online. We will verify your parcel’s fire hazard zone designation, assess remaining roof life, and give you a written estimate the same day.

California Roof Pros 5650 Imhoff Drive, Suite A Concord, CA 94520 (925) 412-4584 office@caroofpros.com CSLB License #1158153