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.

$1,000 OFF

New K-Guard Gutter System

$8,000 Minimum Purchase

Get This Offer

Expires: Nov 30, 2026
Terms and Conditions apply, Coupons cannot be combined with other offers.

Worker on a sloped rooftop repairing shingles, wearing a helmet, gloves, and safety rope nearby.

Protect Your Roof Year-Round

Keep your roof in top shape with the Guardian Protection Plan and enjoy ongoing maintenance, priority service, and exclusive savings.

Apply Today

Our Services

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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

Expert assessment. Bid matched my expectations for the consultation.

John M Hautala

5 days ago

Great reporting my chimney and cleaning my roof. I would use them again in the future.

David Ritchie

5 days ago

Estimator, Deepesh, did a deep dive in our attic and roof. He found several spots where water damage occurred. He did a thorough job of explaining the issues, problems with the home builders cheap materials and cost for repairs.

Ward Kruse

5 days ago

I chose Guardian Roofing to do some roof repairs. They did a wonderful job. While they were repairing they noticed one of my skylights was in bad shape. At first they told me it was going to be a week out in order to replace it. Later that week he came and replaced it in about an hour. Now the rain has come and everything looks good and dry. 10/21 Thank-you

Nina Arko

5 days ago

Great service! Very friendly and thorough, appreciate the use of video to breakdown and show the issues and what work needs to be done.

Emily Harris

6 days ago

Mason was great. Very thorough and knowledgeable. He spent considerable amount of time explaining the ins and outs of needs and resons why they need to be done. Our problems are both insulation and gutter repair, so he did double duty. He is an excellent representative for your company.

Cindy

6 days ago

Guardian is a great trustworthy and efficient company. They can easily manage condo buildings. Highly recommend!

Britt Sellers

6 days ago

Kevin came out to do an inspection and give recommendations for cleaning and venting. He was thorough and professional but also personable and relatable. We have signed a contract for this month as well as maintenance service within the year, and look forward to the work.

Irene Stewart

6 days ago

¡Guardian hizo un excelente trabajo! Deimar logró que el proceso fuera muy fluido y demostró una gran profesionalidad. Jorge, Kevin y Henry también hicieron que todo fuera fácil de entender, ¡y fueron más allá de lo esperado! Recomiendo totalmente a Guardian para su próximo proyecto.

Krazy Clean LLC

6 days ago

Nathan showed up on time was very conscientious. He explained in detail what was going on with our leak and offered solutions and listened to our concerns. We’ve worked with Guardian roofing in the past and have been very happy with their services.

Julie

7 days ago

Removed and replaced insulation in attic. Messy job but they were Exceptionally thorough and exceptionally clean.

Tim Spencer

7 days ago

Deepesh was so personable! Quick to build good rapport. Very knowledgable, the estimate seemed fair. Enjoyed his visit very much. We have been repeat customers for over 20 years and always get excellent service and results.

iris Tio

1 week ago

Very pleased with the results and overall project. Lydia, George and Mitchell were amazing!

Bryan

1 week ago

Anything to do with your roof can be a daunting task. Who to trust, Are you getting what you’re paying for, Will the work be done right… Just a few of the important questions that we have to tackle when obtaining roofing services. We decided to go with Guardian Roofing rather than take a chance on a lower price, even if recommended. We wanted the long-term guarantees and satisfaction of a job well done as well as the professionalism and guidance throughout the whole process. Making sure that we were satisfied and all of
the checks & balances is what makes all the difference! Evan was amazing at coordinating everything, checking in with us & helping us arrange all that was required as well as setting us up for the future. Making sure our roof stays healthy is just as important as repairs or replacement.

Michelle Mobley

1 week ago

Christian, Jessie, and Marco removed my wood shingles and replaced them with asphalt shingles, and they did a wonderful job. They were very friendly, always happy with their work, and accommodating. I really liked them all (and my wife did too).

LES WOLF

1 week ago

Andrew was professional, knowledgeable and answered all of our questions and provided alot of information regarding roof replacement and gutter replacement. Were still researching roofing companies and we will call Andrew once we make our decision by next week

M Liebsack

2 weeks ago

Highly recommend Guardian Roofing! Even though we had a small repair project, we were treated with complete professionalism, politeness, and excellent communication throughout.
Dallas (Estimator) got us started with a smooth process, Santiago (Installer) did an absolutely excellent job with the repair, and Robert (Project Manager) kept everything organized and running seamlessly. The entire team was right on time, highly communicative, and incredibly professional. I will 100% use them again and highly recommend them to anyone looking for roofing or repairs!