Gutter Cleaning & Brightening
Thorough debris removal, downspout flushing, and exterior gutter brightening to protect your home through Portland’s relentless rainy season.
Portland Gutter Cleaning Done Right
Portland receives over 40 inches of rain annually, and nearly all of it flows through your gutters. When Douglas fir needles, big leaf maple leaves, and roof moss accumulate in your gutter troughs, water backs up and spills over the edge — directly onto your foundation, fascia boards, and landscaping. Our gutter cleaning service goes beyond scooping debris. We hand-clear every inch, vacuum fine sediment, flush each downspout to confirm unobstructed flow, and brighten the exterior face of your gutters to remove those dark oxidation streaks known as tiger striping. Every visit includes a damage inspection so small problems get caught before they become expensive repairs.
Why Portland Homeowners Rely on Our Gutter Service
A comprehensive approach that protects your entire drainage system, not just the visible troughs.
Complete Downspout Flush
We don’t just clean the troughs. Every downspout is pressure-flushed to verify water drains freely to grade level.
Tiger Stripe Removal
Those dark vertical streaks on gutter faces are oxidation marks. Our brightening treatment restores them to a clean, uniform finish.
Damage Inspection
While we work, we check every section for sagging brackets, joint separations, and rust spots — and document what we find.
Foundation Protection
Overflowing gutters dump hundreds of gallons beside your foundation each storm. Keeping them clear prevents costly structural damage.
Debris Composting
All material we remove is bagged and hauled away. We leave your yard and roof cleaner than we found them.
Photo Documentation
Receive before-and-after photos of your gutters and downspouts so you can see exactly what was cleared and the condition underneath.
How Our Gutter Cleaning Works
A methodical process that ensures nothing gets overlooked.
Roof-Level Inspection
We start on the roof to assess overall debris load, check for moss encroachment, and identify any visible gutter damage before touching a thing.
Hand Removal & Vacuum
Leaves, needles, and decomposed sludge are cleared by hand and vacuumed out. We get the compacted sediment that blower-only services leave behind.
Downspout Flush & Flow Test
Each downspout receives a high-pressure flush. We verify water exits freely at ground level. If a clog is found, we clear it on the spot.
Brighten & Document
Exterior gutter faces are treated to remove tiger stripes. We photograph the finished result and send you a condition report with any repair recommendations.
Eight Months of Rain, One Gutter System
Portland’s rainy season stretches from October through June — roughly 240 days where your gutters are actively channeling water away from your home. During that span, a single mature Douglas fir can drop thousands of needles onto your roof, and big leaf maples shed broad leaves that mat together into a waterproof dam inside your troughs. When a November downpour hits at an inch per hour, clogged gutters overflow within minutes. That water cascades down your siding, pools against your foundation, and seeps into crawl spaces. Over a single wet season, the damage can include rotted fascia boards, stained siding, eroded landscaping, and in severe cases, cracked foundation walls from hydrostatic pressure.
Many homeowners assume that if water appears to be flowing from the downspout, the system is working. But partially blocked gutters create slow drainage that allows standing water to sit for days, breeding mosquitoes in summer and forming ice dams during Portland’s occasional winter freezes. A thorough cleaning twice a year — once in late fall after leaf drop and once in spring — keeps your system performing the way it was designed to.
The Hidden Dangers of Neglected Gutters
Clogged gutters are more than a cosmetic annoyance. The consequences compound quickly in the Pacific Northwest’s wet climate, and repairs almost always cost more than routine maintenance. Here are the most common problems we see on Portland homes where gutter cleaning has been deferred:
- Foundation water intrusion — Overflowing gutters deposit water directly at the base of your home, saturating soil and increasing pressure against basement walls.
- Fascia and soffit rot — Standing water in troughs wicks into the wood behind your gutters, causing decay that weakens the entire attachment system.
- Ice dams — Trapped water freezes during cold snaps, expanding inside the gutter and lifting shingles at the roof edge.
- Pest nesting — Damp, leaf-filled gutters are prime habitat for carpenter ants, wasps, and even rodents looking for shelter.
- Landscape erosion — Uncontrolled water flow washes away mulch beds, exposes root systems, and carves channels in your yard.
What Are Tiger Stripes — and Can They Be Removed?
Tiger stripes are those dark, vertical streaks that run down the face of aluminum gutters. They are not dirt. They form when water carrying dissolved asphalt particles from your shingles seeps over the gutter lip and bonds with the aluminum through a process called electrostatic adhesion. Ordinary soap and water won’t remove them because the bond is chemical, not physical. Our gutter brightening treatment uses a specialized oxidation remover formulated for aluminum surfaces. It breaks the chemical bond without scratching the finish, restoring the gutter face to a clean, even tone. The result is dramatic — homes that looked like they needed new gutters suddenly look years newer. We recommend brightening once a year for homes with asphalt roofs, especially on south-facing elevations where heat accelerates the oxidation process.
Gutter Cleaning FAQ
Answers to Portland homeowners’ most common gutter questions.
How often should gutters be cleaned in Portland?
We recommend twice a year for most Portland homes: once in late November after the bulk of leaf fall, and once in early spring to clear winter debris and check for storm damage. Homes surrounded by conifers like Douglas fir may need a third cleaning in late summer when needle drop peaks.
What causes the dark streaks on the outside of my gutters?
Those streaks — called tiger stripes — form when dissolved asphalt residue from your roof shingles bonds chemically to the aluminum gutter surface. They cannot be removed with regular cleaning products. Our brightening treatment uses an aluminum-safe oxidation remover to eliminate them without damaging the finish.
Do you repair gutters that are damaged or sagging?
Our service includes a thorough inspection, and we document any damage we find with photos. We can re-secure loose brackets and re-seal minor joint leaks during our visit. For larger repairs like section replacement, we provide a separate estimate so you can decide how to proceed.
What happens when gutters overflow during heavy rain?
Water spills over the edge and falls directly alongside your foundation, which can lead to basement leaks, crawl space flooding, and soil erosion. In winter, overflow water can freeze on walkways, creating a slip hazard. Consistent cleaning prevents overflow before it causes damage.
Do you flush the underground downspout drains?
Yes. We flush every downspout from the top and verify water exits at the ground-level outlet. If your downspouts connect to underground drain lines, we test flow through those as well. If we encounter a deep blockage in an underground line, we will let you know and recommend a drain specialist.
Can clogged gutters really cause foundation damage?
Absolutely. A single clogged gutter section can dump over 1,000 gallons of water against your foundation during a heavy Portland rainstorm. Over time, that concentrated moisture saturates the soil, increases lateral pressure on basement walls, and can cause cracks. Keeping gutters clear is one of the most cost-effective ways to protect your foundation.
Keep Your Gutters Flowing Freely
Request a free gutter cleaning estimate. We will assess your home’s drainage system and provide a straightforward quote with no hidden fees.
Serving Portland, Beaverton, Lake Oswego, Tigard, Tualatin, Hillsboro, Gresham, Milwaukie, Oregon City, West Linn, Happy Valley, Clackamas, Wilsonville, Sherwood, and surrounding communities throughout the greater Portland metro area.