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.

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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

The salesman Matt was great. Lot's of information and just a generally nice human.

Rebecca Saunders

2 days ago

Uriel, provided great information about our workshop re-roofing project. He was knowledgeable roofing professional, a great communicator and a great representative of Guardian Roofing. Uriel provided a wonderful overview of work for the and throughout the day gave updates and was sure to keeping me informed on what needed to be done and the method and materials to be used on our re-roofing project. Our new workshop roof looked beautiful and Uriel cleaned the entire area around the workshop. We had an excellent experience working with Uriel and Guardian Roofing.

Michael Lacombe

3 days ago

Edwin did a great job! I can’t wait to see the chimney once it’s cured in a couple days but he left the area so clean and he certainly worked really hard to get the job done in one day! I’m very grateful!

Lisa Boase

3 days ago

Hopefully, I picked the correct installation technician ("Gabe - 20ish young man w/blondish hair). He was an excellent tech. Although he was accompanied by another technician during the initial tear down & install of my new "K-Guard" gutter system (I think his name was Tim & possibly the "lead"), Gabe seemed to be mainly responsible for most of the sheet metal work (down spouts, catch traps, end caps,etc.). They were both extremely efficient during the install. Because they had a problem with the machine that extrudes the gutters, they were not able to finish approximately 10 ft of gutter in the correct color. Knowing this in advance, they came prepared. They brought enough linear footage in another color to complete the job and protect my home until we could schedule another time for them to return and complete the job. Gabe returned and finished the install with the correct color on my schedule, as I was recovering from surgery. My home has what I would call an unconventional patio roof installation where the main roof gutter runs under my patio. With extremely heavy rain, some (not most) water may slightly overflow the K-Guard "hood" and collect as droplets on the underside of the gutters. Because I required the underside of my patio to be completely dry for storage, I needed a solution for this problem. I called Joe in Guardian Operations for Oregon about the problem and he promptly scheduled Gabe to come back to help. The solution was to remove the portion of the hood under my patio so the gutter could collect ALL of the water from the main roof w/o any overflow. Problem solved! Needless to say, I am extremely pleased with Guardian! Starting with my interactions with my salesman, Grant Lucarelli (professional, courteous and respectful of my needs), the operations staff (scheduling and problem solving) and last but by no means least the expertise and professionalism of their installation technicians (care for my home and excellent cleanup), specifically Gabe! After finishing the job, Guardian's Quality Assurance person, Emory, came over to make sure I was satisfied with their work and exhibited the same exceptional qualities as the rest of the Guardian professionals. Based upon my experience with Guardian, I can most highly recommend them for your gutter replacement and/or repairs. I will be using them again for my backyard shed's gutter replacement this Spring 2026. Ok... it's Spring 2026. Time for shed gutters. The Guardian Team did it again! Great service from Sales (Curran), Project Mgmt (Robert), and Installation (Jose & Gabe), from beginning to end. Another excellent customer experience delivered by a professional company!

Chris Schwanz

3 days ago

Matthew was very good to work with. He was prompt and explained everything that he was going to look for and do. He did a very complete job of explaining the issues, how they could be remediated and why they were important to pay attention to.

WQG Programs3

4 days ago

Jose and Gabriel did an excellent job with professional results that met my expectations . They communicated what they were doing and I’m very happy with the results

James Himmelman

4 days ago

Guardian Roofing, Gutters and Insulation was professional, punctual, affordable and courteous. They completed our roof repair quickly and the crew was reliable and respectful.

Diego Mares

4 days ago

Very friendly and professional employees came out to do the job. They cleaned up afterward and left everything as they found it. They were courteous and explained every service they performed very clearly. They went above and beyond by checking in the attic and found some additional issues I hadn’t foreseen which required immediate repair and provided before and after photos of the work. That is a major confidence booster. I greatly appreciate the work they did and the professionalism they displayed throughout the time they spent at my home. I would highly recommend them to anyone looking for a similar service.

Carmen Noxon

5 days ago

Matthew did a great job going over the issue I am having with some rotten wood connected to my roof. We discussed options for repair in the future and he provided a detailed estimate.

Jonathan Wilkins

6 days ago

Richard is great. He knows his stuff. Knowledgeable, friendly and professional.

Janet

6 days ago

Jackson did a great job giving us options for our problem Thank you

Walter

7 days ago

Chester did a good job of keeping me informed about scheduling of a three part job and answering my questions.

Ann Jaeger

1 week ago

Wow! Great team, great customer service, and all around incredible work. Really thankful for everyone top down in the company. Absolutely would recommend 10/10 times!

Lane Farley

1 week ago

Orlando and his cohort did a great job repairing our roof. He kept us informed of what they were doing and showed us why. We’re very happy with the work that they did.

Tamara Rubin

1 week ago

I had Guardian Roofing, Gutters and Insulation replace 2 vent covers and then give a thorough moss treatment. The quality of the work is superb, they showed up when they said they would and answered every question. Thanks to Robert, Ricardo and Aldo for a job well done!

Virgil Michael

1 week ago

Edwin did a great job!

Robert Bodine

1 week ago

We has Jonny Williams came out to give us an estimate for gutters. He was very professional, kind ,thorough and helpful for his advice we look forward to call him for future assistance.