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Gutter Downspout Cleaning

Clear Drains, Dry Foundations. Gutter Downspout Cleaning in San Mateo County.

Let’s be honest—most folks never think about their downspouts until there’s a problem. Water overflowing from a gutter is annoying. But the real damage happens below the surface, where pooled water can wreck your foundation, flood your basement, or turn your landscaping into a swamp. That’s where we come in.

We’re Fox Window & Gutter Cleaning, and we’ve spent nearly two decades keeping San Mateo County homes dry. We don’t just clear the gutters and call it a day. We flush out the vertical downspouts, check for hidden clogs, and make sure your drainage system actually works when the rain hits.

Why Downspout Cleaning Matters

You’d be surprised what we pull out of these things. Leaves, pine needles, roof grit, even an old tennis ball or two. In Millbrae, where a lot of homes have mature eucalyptus and pine trees close to the house, those sticky needles and sap bind together into a concrete-like plug. When that happens, water backs up and finds another way out—usually over the side of your gutter, right next to your foundation.

And it’s not just about rainy season, either. That winter rain we get between November and April? It all hits at once. A tiny clog in a downspout can back up an entire gutter run during one of those heavy storms. The fix is simple: don’t wait for the storm.

Book Your Downspout Cleaning

When you book our downspout service, you're getting:

  • A full inspection for clogs, cracks, or separations in downspout joints
  • Power flushing with water to dislodge stubborn debris deep inside the pipe
  • Hand removal of compacted leaves and pine needles where needed
  • A check that water flows freely away from your foundation
  • Clearance of downspout openings that are buried near walkways or patios

Residential Window Cleaning

Your home is your most important space, and clean windows help it look and feel its best. Our residential window cleaning is designed to be efficient, thorough, and safe for all home types—from single-story ranches to multi-level estates. We treat your home like it’s our own—removing shoes or wearing covers indoors, protecting floors and furniture, and using safe, eco-conscious products.

We Clean:

  • Interior and exterior window glass
  • Skylights and solar tubes
  • Sliding glass doors and French panes
  • Screens, sills, and tracks
  • Hard-to-reach or second-story windows
  • Homes with mature trees dropping debris into gutters

Gutter Downspout Cleaning in San Mateo County, CA

A clogged downspout is one of those things you don’t think about until it’s a problem. And by then, it’s usually a big one — water spilling over your gutters, pooling around your foundation, or worse, seeping into your basement or crawlspace. Here in San Mateo County, we see it all the time. Whether it’s a mid-century ranch in Millbrae’s Taylor Estates or a split-level near Lomita Park, the issue is the same: leaves, pine needles, and that sticky eucalyptus sap find their way into your downspouts and just sit there. That’s where we come in. We don’t just clear the clog — we make sure the water runs freely from your roof all the way to the ground, or wherever your drainage system takes it. That’s what real gutter downspout cleaning is about.

Our gutter downspout cleaning is perfect for:

  • Homes with mature eucalyptus or pine trees close to the roof
  • Properties that have experienced overflow during heavy rainstorms
  • Older homes with corroded or fragile downspouts that need a gentle touch
  • Homes on sloped lots where water management is critical
  • Any building showing signs of water damage near the foundation

How We Approach Gutter Downspout Cleaning

We don't just blast water down your downspouts and hope for the best. There's a method to this, especially with the kind of debris we deal with in San Mateo County. Here's how we handle it:

1. Clear the Gutters First

You can't clean a downspout properly if the gutter above it is still full of gunk. We start by removing all the leaves, pine needles, and decomposed organic matter sitting in your gutters. This is where a lot of that Bay Area eucalyptus debris ends up, and honestly, it's often worse than people think.

2. Identify the Clog

We don't just guess. We check each downspout to see where the blockage actually is. Sometimes it's right at the top, sometimes it's mid-way down, and sometimes it's a hard water mineral buildup from the Santa Clara Valley Basin's groundwater that's narrowed the pipe. We've seen all of it in Millbrae and the surrounding areas.

3. Flush and Clear the Downspout

We use a combination of high-pressure flushing and mechanical tools to break up the clog and push it out. For stubborn blockages, we'll work from the bottom up — whatever it takes to get that water moving freely again.

4. Test the Flow

Once we've cleared the line, we run water through the system to confirm it's draining properly. And we don't just stop at the downspout — we check where the water exits, whether that's to a drain, a splash block, or just out onto the driveway. If you're in the Green Hills neighborhood with those older sewer connections, we're especially careful about managing wastewater runoff so we don't overload anything.

5. Leave It Better Than We Found It

Our gutter downspout cleaning service ends with a final walkthrough so you can see the results for yourself. We don't just clear the blockage and call it a day — we show you exactly what was causing the overflow and how we fixed it. That's the kind of honest, detail-obsessed service we're known for in Millbrae and across San Mateo County, CA.

Types of Downspouts We Clean

Downspouts come in all shapes and sizes, and we’ve worked with pretty much all of them. Whether you’ve got the standard round aluminum ones from the 1960s or the newer rectangular seamless style, we’ll get the water flowing again. Here’s what we handle:

We Clear:

  • Round and rectangular downspouts
  • Corrugated and smooth-wall downspouts
  • Underground drainage pipe connections
  • Downspout elbows and bends
  • Stuck or corroded downspout extensions
  • Leaf guards and downspout screens
  • Downspouts on sloped-roof homes

What's Included in Every Downspout Cleaning Visit?

You get more than just a flushed pipe when you book our gutter downspout cleaning. We treat your whole drainage system like it’s our own, especially on those older mid-century homes in Millbrae where the original pipes are still doing their job. Every appointment covers:

  • Visual inspection of the full downspout path from gutter to ground
  • Hand removal of debris from downspout openings
  • High-pressure water flushing to break up hard clogs
  • Snake tool clearing for stubborn root or silt blockages
  • Reattachment of loose downspout brackets and hangers
  • Flow test with water to confirm proper drainage

How Often Should You Get Downspouts Cleaned?

Honestly, keeping your gutters and downspouts clear in San Mateo County isn’t just about looks—it’s about protecting your home when the rains hit. And if you’re like most folks in Millbrae, you don’t want to be up on a ladder in February trying to unclog a downspout that’s backed up with pine needles and eucalyptus sap. We get it. That’s why we offer recurring gutter downspout cleaning plans that take the guesswork out of maintenance. You pick a schedule, we handle the rest, and you never have to worry about overflow damage again.

  • Every 3–6 months for homes in coastal or high-traffic areas—like those near El Camino Real or the hills in Taylor Estates, where fog and trees clog things faster.
  • Quarterly for businesses or storefronts along Broadway or in downtown San Mateo, where leaves and debris pile up quickly.
  • Twice per year for standard home maintenance—most Millbrae homes with those mid-century ranch roofs fall into this category.
  • Before special events, home listings, or seasonal transitions—especially before the November rains or after wildfire season when ash and soot settle in.
Book Gutter Downspout Cleaning in San Mateo County, CA
Belmont, CABurlingame, CADaly City, CAHalf Moon Bay, CAMenlo Park, CAMillbrae, CAMountain View, CAPacifica, CAPalo Alto, CARedwood City, CASan Bruno, CASan Carlos, CASan Francisco, CASan Jose, CASan Mateo, CASanta Clara, CASouth San Francisco, CASunnyvale, CA

Service Areas We Cover