Underwriting Factor

The 20-Year Roof Line

Somewhere around its twentieth birthday, your roof stops being a feature and becomes a question. Carriers ask its age on every application — ours does too — and the answer quietly steers eligibility, pricing, and how a future roof claim gets settled.

Updated July 2026 · 7 min read · Reviewed by a licensed broker, CA DOI Lic. #6013787

What actually happens at the line

"Roofs over 20 years old" is the scrutiny threshold you'll hear across the market. Cross it and three things commonly follow. Eligibility narrows — some preferred programs simply require a newer roof, moving the home to other markets. Condition proof gets demanded — photos, an inspection, sometimes a roofer's certification of remaining life. Settlement language shifts — carriers increasingly write older roofs at actual cash value or on age-based payment schedules, which changes what a claim check looks like far more than any premium difference between quotes.

None of this is arbitrary. Roof failures cause water losses, and water is the most frequent homeowners claim there is. Age is the cheapest predictor carriers have — crude, but predictive enough that every model uses it.

Know your real roof year

Applications ask for the roof's install year, and "original, I think" is an expensive answer on an older home — unknown defaults to assumed-original. The paper trail usually exists: permit records (many California counties are searchable online), the previous owner's disclosures, your purchase inspection report, or the receipt in that folder from 2011. Our wizard asks for the update year for exactly this reason — full or partial, known or estimated — because a documented year beats a shrug in every underwriting system. The same logic applies to heating, plumbing, and electrical updates.

Partial vs full replacement

A full tear-off re-roof resets the clock cleanly. A partial — one slope after storm damage, a section over an addition — helps the roof but muddies the age answer: carriers generally rate to the oldest section. Report partials honestly with their year; claim the full reset only when it's real. If a partial was recent, keep its invoice — it still strengthens the condition story.

Old roof, honest quote

Tell the wizard the real year — we'll find the markets that fit it.

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If the roof is old but sound

Age and condition aren't the same fact, and the gap between them is negotiable — with evidence. A roofer's written assessment stating remaining service life, close-up photos of the surface and flashing, and a record of maintenance can hold a home in a better program or reverse an inspection flag. Some carriers offer roof certifications for exactly this situation. What evidence can't do is stop the ACV-schedule trend on genuinely aging surfaces — which is why, at some point, the arithmetic flips toward replacement.

The re-roof arithmetic

When you do replace, the insurance side of the project pays three ways: markets reopen (including preferred programs), settlement language typically returns to replacement cost, and in brush areas a new Class A assembly anchors the whole hardening story. Permits and invoices make it real to underwriters — an undocumented re-roof rates like no re-roof. Choose the material with the market's eyes as well as your own, and send your broker the completion paperwork the same week; mid-term corrections and renewal remarketing both start from that date.

Frequently asked

My roof is 22 years old and leak-free. Am I uninsurable?

No — you're just shopping a narrower shelf. Condition evidence keeps doors open, and specialty markets exist for the rest. Expect ACV language and price the re-roof against it.

Will my carrier pay to replace my old roof?

Insurance pays for covered damage, not wear-out — an aged roof reaching end of life is maintenance. That's precisely why the ACV schedules exist, and why budgeting the re-roof beats hoping a storm does it for you. When claims make sense →

Does a 30-year shingle warranty mean a 30-year roof to insurers?

No — warranties are marketing and prorated fine print; underwriting uses observed lifespans for the material and climate. California sun is not gentle. The application wants the install year, not the box label.

Keep reading
Roof types RCV vs ACV The inspection Older homes Lower your premium
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