Roofs in this region don't usually fail dramatically; they fail slowly, under moss, on the north slope, until a February ceiling stain announces it. We connect you with a roofing contractor Portland metro homeowners have hired for tear-offs, repairs, and second opinions across every county line.
A localized leak around a chimney or a valley is often a repair, and a good roofer will say so. An overlay — new shingles laid on the old — is cheaper up front but hides deck rot and shortens the life of the new layer, and most jurisdictions cap the number of layers allowed. In a wet climate where sheathing damage is the real risk, a tear-off that lets someone see the deck is usually the better value. Insist on photos of anything they claim is rotten.
Overhanging firs and nine months of damp mean moss establishes on north-facing slopes across the metro faster than almost anywhere else in the country. It lifts shingle edges, holds water against the mat, and accelerates granule loss. Zinc strips near the ridge and annual treatment work; pressure washing destroys shingles and voids warranties. Ask any bidder how they intend to handle moss going forward, not just today.
Comparable bids should name the shingle line, the underlayment, the ventilation plan, the flashing being replaced versus reused, and a per-sheet price for deck replacement discovered mid-job. That last item is where surprise costs live. Get the manufacturer warranty and the workmanship warranty in writing, and confirm they're separate.
Describe the project once and we match it with vetted local pros who actually do this work — you choose who to hire, or nobody at all.
Tear-offs need a stretch of dry weather, which realistically means July through September across the metro. Good crews book that window months ahead, and homeowners who wait for a leak in November end up choosing from whoever is free. If your roof is on borrowed time, get bids in late winter and schedule for summer.
East County and the Gorge-facing edge take the strongest winter east winds, which lift shingles and strip ridge caps, while ice storms in recent years brought limbs down across Clackamas and Washington counties. Roofers who work the whole metro see both failure patterns. After any severe event, get an inspection before filing a claim so you know what you're actually claiming.
Reroofing permit requirements differ between Portland, the Washington County cities, Clackamas County, and the smaller metro jurisdictions, and historic overlays add design review in some close-in neighborhoods. Many Beaverton, Tigard, and Happy Valley subdivisions also have HOA colour and material approval on top of the city's rules. Confirm both before your contractor orders material.
Architectural asphalt tear-offs and replacements commonly land somewhere between $9,000 and $22,000 for a typical metro house, driven mostly by square footage, pitch, and how many stories the crew is working from. Complex rooflines with multiple valleys and dormers cost more per square than a simple gable. Deck replacement, skylight reflashing, and ventilation upgrades are the usual additions once the old layer is off. Metal and composite systems run substantially higher. A bid thousands below the rest usually means an overlay, thinner material, or no disposal cost included.
Three bids, and only one of them got in the attic and pointed out we had almost no intake ventilation. That's the one we hired and the roof has been dry through two winters.
We thought we needed a whole new roof. The roofer who came out through this site said we needed flashing work around the chimney and a moss treatment. Saved us thousands.
Two skylights were leaking at the curbs. They rebuilt the flashing rather than caulking over it, and picked every nail out of the beds underneath before they left.
Architectural asphalt commonly gives 20 to 30 years here, but moss and shade can cut that noticeably on north slopes and under heavy tree cover. Roofs on well-ventilated, sunnier exposures often outlive their neighbors on the same street by years.
Be careful. Storm-chasing crews follow weather events into the metro every winter, and some are gone before a warranty claim matters. Verify Oregon CCB registration, look for a local address and history, and never sign anything that assigns your insurance claim to a contractor.
Small repairs and emergency tarping happen year-round. A full tear-off shouldn't — an open deck and steady rain is how sheathing and insulation get soaked. Reputable crews work in sections and watch the forecast rather than taking the whole roof off in October.
Yes, and it's cheap relative to a roof. Annual or biannual treatment plus keeping branches trimmed back extends shingle life meaningfully in this region. Just make sure whoever does it uses a soft approach and not a pressure washer.
Enough that the roof deck stays cold and dry in winter and doesn't bake in summer. Many older metro homes are badly under-vented, which shortens shingle life and encourages condensation. A roofer should include intake and exhaust ventilation in the scope, not treat it as an upsell.
Tell us the roof age, the problem, and where you are in the metro. We'll route it to licensed roofers who work your area and give you a shortlist instead of a phone-blast.
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