How does Portland’s moss growth affect my roof?

The damp, shaded environment in neighborhoods like Mount Tabor or around Forest Park is a breeding ground for moss, which can lift shingles and trap moisture against the underlayment. Regular inspections and specialized cleaning are necessary to prevent this growth from cutting your roof’s lifespan in half.

Is it necessary to have gutter guards in Portland?

While not mandatory, they are highly recommended if your property is near the large Douglas firs or Maples common in North and Southwest Portland. Gutter guards significantly reduce the frequency of cleaning services and prevent the heavy clogs that lead to fascia rot during the rainy season.

When is the best time of year for a roof replacement in Oregon?

While we work year-round, many homeowners prefer to schedule major projects during the drier window between July and September. However, if you have an active leak, waiting for summer is never advised, as even a small amount of water intrusion can lead to mold issues in our humid climate.

Portland, OR

Name: Guardian Roofing, Gutters & Insulation
Brand: Guardian Roofing, Gutters & Insulation
Rating: 4.8 (3173 reviews)

Roofing, Gutters & Attic Insulation in Portland, OR

We’ve been keeping busy on the streets of Portland long enough to know that a solid roof is the only thing standing between you and the persistent mist of the Willamette Valley. You’ve likely spotted our trucks navigating the tricky turns of NW Cornell Road or grabbing a coffee near the Pearl District between calls. Whether we’re heading toward the historic Victorians in Nob Hill or navigating the quiet residential stretches of Alameda, we know this area by heart. According to official city climate data, the proximity to massive urban canopies like Forest Park means your home isn’t just battling rain, it’s dealing with heavy debris and moisture retention that can compromise even the toughest shingles.

Reach out to our team today to schedule roofing or gutter services in Portland.

Roofing Services

Our boots are on the ground from the West Hills down to the vibrant blocks of Southeast Portland. We provide a full suite of solutions ranging from emergency roof leak repair to complete roof replacement for homes that have weathered too many Oregon winters. Our expertise covers everything from traditional asphalt shingle roofs that blend into historic neighborhoods to modern metal roofing designed for maximum longevity. We also specialize in flat roof repair for contemporary builds and comprehensive roof restoration to keep your existing system performing at its peak.

Schedule a professional roof inspection with our Portland team.

Gutter Installation & Maintenance

Whether we’re cruising past the St. Johns Bridge or working near the leafy streets of Laurelhurst, we see how quickly the local foliage can overwhelm a house. We serve as a dedicated gutter contractor for the Rose City, providing precision gutter installation and replacement. Our team also offers thorough rain gutter cleaning services to ensure that the 44 inches of annual rainfall we receive doesn’t end up in your crawlspace or damaging your siding.

Contact us to secure your gutters for your Portland home before the next big storm hits.

Attic Insulation

We’ve become a fixture in the Portland community by focusing on the hidden areas that dictate your home’s comfort and efficiency. High-quality attic insulation is your primary defense against the damp, biting chill that characterizes a typical Portland winter. We specialize in blown in insulation, which creates a seamless thermal blanket to keep your heating costs manageable while protecting your roof from the temperature fluctuations that cause ice damming.

Book an insulation assessment for your home today.

Schedule Your Service With Us Today

Offering 5-Star roofing, gutter and insulation Services to the PNW and Puget Sound area.

Free Estimate

877-926-9966

Why Choose Guardian Roofing, Gutters & Insulation?

Choosing a local roofing company means working with people who understand the specific environmental stressors of the Pacific Northwest. We pride ourselves on being reliable roofing contractors who offer transparent communication and expert craftsmanship. From shingle roofers who know the nuances of steep-slope historic homes to insulation pros who help you meet local energy standards, our goal is to provide a seamless service experience that protects your most valuable asset.

Request an estimate from your local Portland roofing and gutter experts today.

up to $1200 Off

New K-Guard Gutter System

Save 10% on a new K-Guard system, up to $1,200 off.

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Expires: Jun 30, 2026
Maximum discount applies to purchases of $12,000 or more. Offer Cannot Be Combined With Any Other Promotions, Discounts, Or Special Offers. Terms And Conditions May Apply.

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FAQS

Frequently Asked Questions

Guardian Roofing has a knowledgable and experienced team that can help answer a variety of questions you may have.

TESTIMONIALS

Testimonials From
Our Valued Clients

This crew is awesome! They are so considerate and and kind. I watched them many times while working on a complex two week project, their attention to detail and concern for doing quality craftsmanship was always present especially with the challenging wood work. From day one everyone from Guardian has presented themselves professionally and has insisted on extremely open and consistently positive communication. I highly endorse this company and its representatives without hesitation due to their integrity, competence and professionalism.

Marc PanetRaymond

1 day ago

Quality work, detailed and friendly.

Tony Borris

2 days ago

I was extremely happy with Ryan and the advice he gave me. He was prompt, polite and above all very honest. If we ever need roofing work in the future Guardian Roofing, and Ryan specifically, will be our only call!

Kelley Raz

2 days ago

Isiah and crew did an excellent job installing our Nu-Ray metal standing seam roof.

Bill Levering

2 days ago

Guardian did an excellent job cleaning my roof. Robert managed the project, communicating clearly with me about the time and Edwin completed the cleaning, using a method that protected my roof and respected my property. The roof looks great! I like the method Guardian employs because it is very effective but doesn’t harm the roof.

Vivian Childs

2 days ago

Great expertise from Darwin during review for a quote and recommended service

Myles Gilkey

2 days ago

Jimmy Brown and his team did a fantastic job on our project. We had a massive leak and actually had a contract with another company, but due to severe lack of communication and multiple issues with follow-through on our agreement, that fell through. We reached out to Guardian Roofing and Jimmy was at our house the following day. He performed the most thorough inspection (we had 5 or 6 companies out) and afterward sat down with us to talk through all our options, answered all the questions we had, and really put our minds at ease after a terrible experience with the previous contractor. When it came to the actual project and completion, they did very quick work. It only took them 2 days to complete a full tear-off including the existing plywood and then mold treatment to our attic eaves, installation of new plywood, underlayment, new vent system, shingles, and reinstallation of gutters. The only thing that was a little less than ideal was the total price, but given our experience, the extra cost is totally worth it knowing you’re getting a well established company that does great work and provides top notch customer service. I would also add that Jimmy did work with us on the price due to our situation and the fact that some work had already been started by the other company, and he presented us multiple options at differing price ranges. In addition, the work and product has great warranties that can be transferred if you’re thinking of selling within the lifespan of the roof. If we had to do it all over again, Guardian would be the first (and most likely only) company we’d call.

Christopher Bishop

3 days ago

Excellent worker, very professional, and friendly

J mu

4 days ago

Gregg who sold us the gutters and Samuel and Jose who installed them were great. We are repeat customers and highly recommend Guardian precisely because of the great staff. Thanks to all three of you!

Robert Kugler

4 days ago

I got a quote for cleaning my roof. My roof and gutters were cleaned today. The roof looks great! I like the method Guardian employs because it is very effective but doesn’t harm the roof.

Vivian Childs

4 days ago

Very professional and excellent craftsmanship

George Hills

4 days ago

I called Guardian because I have a leak at the base of my chimney. I thought it was coming from a problem with my roof or a failure in the mortar. Ryan came out, got up on my roof and inspected everything. It turns out the problem isn't coming from the top but the actual foundation. While I didn't need Guardians services for this problem, you can bet because of Ryan's thorough inspection and honest acessment, when I need to reroof, it will be with Guardian. Building trust is building business, Ryan is a great representative of your company.

Marilee Schaffer

6 days ago

Been my long-time roof service. Great value - am always satisfied with customer service.

Matthew Satter

6 days ago

I know next to nothing about roofs and had way too many questions, but the people at Guardian Roofing were very kind. Special thanks to Robert, in particular, who was extremely patient, answered every question with ease, and constantly kept me up-to-date on the progress, changes, etc. There was a lot to understand but I never felt lost or overwhelmed. Communication and work truly couldn't have been better, much appreciated!

1 week ago

Ron was so great. He is personable and very thorough. We felt very confident in his explanations.

Kandy Hughes

1 week ago

Ryan was easy to talk with and seemed trustworthy. He appears to be very knowledgeable at his trade. He answered all my questions with honesty and integrity. Gabriel and his crew showed up promptly on time each day, worked extremely hard and were very thorough completing the scope of work. I recommend this company very highly.