Will a Metal Roof Lower Home Insurance in Oregon's Wildfire Zones?

Does a metal roof lower home insurance in Oregon's wildfire zones?

The honest answer is that it depends on the carrier, and nobody installing roofs in Oregon should tell you otherwise. Home insurance pricing in the state has shifted hard toward wildfire risk over the last several years. Carriers now model each parcel against fire hazard data, and in the high-hazard country of southern Oregon, the east side, and the wildland edge of the Cascade foothills, some have raised rates sharply, declined renewals, or stopped writing new policies altogether. The roof is one input in that model. It is not the model. What a metal roof can do is give your agent something concrete to enter. A Class A fire-rated assembly and a UL 2218 Class 4 impact rating are recognized standards that some Oregon carriers credit on the premium, either as a fire-resistive construction credit, an impact-resistant roof credit, or both. Other carriers credit neither. A few will not write a policy in a mapped high-hazard zone no matter what is on the roof. Across the 374 roofs on record in Portland since 1998 and the 13 in Hood River since 1999, the only consistent pattern is that the answer came from the carrier, not the roof. So the working rule is simple. Do not buy a metal roof because someone promised a discount. Buy it for the fifty-plus-year service life, the moss and salt and wind performance, and the fire assembly, then take the paperwork to your carrier and ask what they will do with it.

What documents should I hand my insurance agent in Oregon?

Agents work from documentation, not from your description of the roof. The first item is the Class A assembly evidence. Interlock aluminum roofing achieves a Class A rating as an assembly, meaning the panel installed over a specific fire barrier per ICC-ES ESR-2053, which references the ASTM E108 test with GAF VersaShield underlayment. Hand over ESR-2053 and make sure your invoice shows the VersaShield was actually installed under the aluminum. Without that underlayment on the invoice, the assembly rating does not apply to your roof, and a sharp underwriter will notice. The second item is ICC-ES ESR-1790, the evaluation report for the interlocking aluminum panel itself, which documents wind uplift resistance to 177.5 psf and was reissued in September 2025. The third is the UL 2218 Class 4 impact certificate, the highest impact classification in that standard. The fourth is the installer's invoice showing Oregon CCB #130826, the scope of work, and the completion date. Oregon carriers want to see that a licensed contractor did the work and when, because a roof's age drives replacement-cost assumptions on the policy. Ask the agent two direct questions. Does this carrier offer a credit for Class A fire-resistive roofing in my hazard zone, and does it offer a credit for UL 2218 Class 4 impact-resistant roofing. Get the answer in writing. If the answer is no on both, ask whether the roof affects insurability at renewal, because in parts of Jackson, Josephine, Deschutes, and Wasco counties that question now matters more than the premium.

How do Oregon's SB 762 wildfire maps affect what my carrier will do?

Oregon's Senate Bill 762 created a statewide wildfire hazard map and a set of home-hardening rules for properties in the highest hazard tiers. The first map release drew heavy objection from rural homeowners and was withdrawn, and the state has since revised how hazard is classified and where the rules apply. If you own in Hood River County, the Wasco County side of the Gorge, the Cascade foothills above the valley, or anywhere south and east, check your parcel's current designation on the state map rather than relying on what you heard two years ago. One point trips people up. Insurers in Oregon are not required to use the state hazard map, and most do not. They run their own proprietary wildfire scoring, which can rate your property higher or lower than the state does. A metal roof will not move your parcel on the state map. It may or may not move you in a carrier's private model. That is why the same roof gets a credit from one company and nothing from another. Where the state map does matter is home hardening. In the highest hazard classes at the wildland-urban interface, a Class A roof covering is the kind of thing hardening rules point to, and a Class A fire-rated assembly satisfies that without the weight of concrete tile on a 1970s ranch or a Cascade foothills cabin that was never framed for it. Aluminum at this weight goes over most existing decks without structural work, which is the practical reason it suits the east side of the state. Wasco County sees only about 18 inches of rain but 22 inches of snow and 48 freeze-thaw days a year, so the roof has to handle dry-season fire risk and winter snow load at the same time.

Who do I call in Oregon if my insurer drops me or refuses to credit the roof?

The Oregon Division of Financial Regulation is the state agency that oversees insurers, and it is the place to ask questions and file complaints. If a carrier non-renews you after a metal roof install, refuses to explain how it priced the roof, or gives an answer that contradicts its own filed rating plan, the Division can look at it. They also publish consumer guidance on wildfire coverage that is worth reading before you call your agent, so you know what to ask. If no standard carrier will write the home, the Oregon FAIR Plan exists as the insurer of last resort. It provides basic coverage to properties that cannot get it elsewhere, typically with narrower protection and different pricing than a standard policy, and it is meant to be a fallback rather than a first choice. A Class A fire-rated assembly does not exempt you from needing it, but it gives you a stronger file when you go back to the standard market at renewal and try to move off it. East of the Cascades and along the southern edge of the state, the last few years have taught a lot of homeowners that insurability is now a property attribute like the well or the septic. Document the roof the same way you would document those. Keep the ESR reports, the UL certificate, and the CCB-stamped invoice in the same folder as the deed.

What does a metal roof change for insurance west of the Cascades, and what does it not change?

West of the Cascades the insurance story is different, and it has less to do with fire than with claims frequency. Multnomah and Clackamas counties average about 58 inches of rain and 36 freeze-thaw days a year, Lane County sees 56 inches and 31 inches of snow, and Benton County runs close to 60 inches of rain. Under that load, moss roots between asphalt granules on north slopes, lifts tabs, and shortens roof life. Homeowners on asphalt in Portland, Eugene, and Corvallis pay a wash-and-treat cycle every few seasons and still replace the roof every couple of decades. Every replacement is a fresh roof-age question on the policy and sometimes a claim for wind or ice damage that follows a worn roof. Interlocked aluminum gives moss nothing to root into and carries a lifetime material warranty to the original owner with warranted wind resistance to 120 mph, so that cycle stops. Some carriers weigh roof age and roof material when they set replacement-cost terms, and a roof that does not need replacing is easier to underwrite over thirty years than one that does. Along the Tillamook and Lincoln County coast, where gusts reach 85 mph and salt air corrodes steel and exposed fasteners, aluminum contains no iron and cannot rust, which removes one more claim pattern. Again, whether any of that appears on the premium is a question for your carrier. Here is what the roof does not change. It does not change the framing, the siding, the deck, the vents, or the gutters, and a Class A roof over wood siding with a cedar deck and open eave vents is still a house that can burn. Defensible space is still required under Oregon's hardening rules in the mapped zones and still expected by underwriters everywhere: cleared vegetation, ember-resistant vents, and no fuel against the walls. Metal is the right roof for Oregon's fire country, and it is also only the roof.

Common questions