• San Mateo #1 Window & Gutter Cleaning Services

+1 (650) 525-4546

Facebook-f Instagram Yelp Google
Free Estimate

Exterior House Washing in San Mateo County, CA

Exterior House Washing That Brings Your Home’s Curb Appeal Back

Let’s be honest—your home’s exterior takes a beating. Between the coastal fog that rolls in from the Pacific, the salty air drifting off the Bay, and the fine ash from those North Bay wildfire seasons, your siding, stucco, and brick are working overtime just to look okay. And that’s before we even talk about the hard water stains from Millbrae’s mineral-rich tap water.

That’s where we come in. Fox Window & Gutter Cleaning provides exterior house washing services throughout San Mateo County, CA. We don’t just spray water at your walls and call it a day. We use a careful, methodical approach that gets rid of the grime, mildew, and buildup that’s been hiding your home’s true colors. If you’re a homeowner in Millbrae, Burlingame, or anywhere else in the county, we’ve got the tools and the know-how to make your house look like it just got a fresh start.

Why Your Home in San Mateo County Needs This

Here’s the thing most people don’t consider: your house’s exterior is the first thing anyone sees, but it’s also the most neglected part of regular maintenance. That greenish tint on your north-side wall? That’s not just dirt—it’s mildew. Those chalky white streaks under the eaves? Hard water residue. And if you live near El Camino Real, that gritty film on your siding is likely a mix of road dust and salt from the air near SFO.

When we wash your home’s exterior, we’re not just improving appearances—though that’s a big part of it. We’re also protecting your investment. Built-up grime can eat away at paint and sealants. Mildew can work its way into porous surfaces. Over time, that means repainting sooner than you planned, or worse, dealing with rot and moisture damage.

Get a Free Estimate for Exterior House Washing

What Our Exterior House Washing Service Handles

  • Siding and stucco walls covered in dirt, pollen, or mildew
  • Brick and stone facades with years of embedded grime
  • Driveways and walkways stained by hard water or organic growth
  • Decks and patios with slippery algae or moss buildup
  • Roof surfaces with black streaks, moss, or lichen

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
  • Post-construction or move-in window washing

Commercial Exterior House Washing for San Mateo County Businesses

A clean storefront, office, or building exterior reflects the professionalism of your business. Clients notice when the siding is sparkling clean—and they notice when it’s not. We work around your business hours to minimize disruption, and we’re fully insured for your peace of mind. Whether it’s a storefront on Broadway in Millbrae or an office complex near the 101, we’ve got the right equipment to get the job done without making a mess.

Our commercial exterior house washing services are ideal for:

  • Retail storefronts with street-facing facades
  • Office buildings with hard water stains
  • Restaurants and cafes with grease buildup near vents
  • Medical clinics and professional offices with stucco or siding
  • HOA and apartment complexes with shared exterior walls

Our Exterior House Washing Process

We follow a detailed, multi-step cleaning process designed for long-lasting, streak-free results — especially given the coastal fog and mineral-rich water we deal with here in San Mateo County:

1. Assessment

Every job starts with a quick walkthrough. We assess the siding material, the number of stories, and any problem areas like hard water spots from the Santa Clara Valley Basin groundwater or ash residue from recent wildfire smoke. If you're on a sloped lot in Taylor Estates, we'll plan our ladder setup accordingly.

2. Prep & Protection

We protect your landscaping, outdoor furniture, and any delicate plants. We're careful about wastewater runoff too — especially in the Green Hills area where older sewer mains can be touchy. We'll direct water away from driveways and patios so nothing pools up.

3. Surface-Specific Cleaning

We don't just blast everything with the same pressure. Stucco gets a gentler touch. Wood siding gets a lower pressure rinse. And if salt air from the Bay has left that white film on your siding, we'll use the right solution to break it down without damaging the finish.

4. Rinsing & Spot Treatment

We use eco-friendly, ammonia-free cleaning solutions and high-quality applicators to lift grime from the surface, followed by a thorough rinse. For stubborn spots — like pine sap from those eucalyptus trees or hard water residue — we'll treat them individually rather than just hoping they wash away.

5. Final Inspection

Before we wrap up, we walk the property with you and inspect every surface we washed. We want you to see the difference up close. If anything didn't meet your standard, we'll grab our wands and fix it right then and there—no back-and-forth, no fine print.

Exterior House Washing for San Mateo County Homes

Your home’s exterior takes a beating here in San Mateo County. The coastal fog rolls in from the Pacific nearly every morning, leaving a damp film on your siding. Then the sun bakes that moisture in, and before you know it, you’ve got grime, mildew, and hard water streaks that just won’t budge with a garden hose.

We handle every exterior surface your home throws at us. Whether you’ve got a classic mid-century ranch in Millbrae’s Taylor Estates, a newer build near downtown San Bruno, or a split-level up in the Lomita Park hills, we’ve got the right gear and the right cleaning mix to make it look new again.

Here’s what we’re talking about when we say we wash the outside of your house:

We Wash:

  • Vinyl, stucco, and wood siding
  • Aluminum and vinyl window frames (without risking leaks)
  • Driveways and walkways that have taken on years of oil stains and mildew
  • Decks, patios, and fences darkened by moisture and sap
  • Roof edges and fascia lines where algae loves to take hold
  • Glass railing panels on balconies and stairways
  • Anywhere the salty air and Bay moisture have left their mark

What's Included in Every Exterior House Washing Appointment?

Honestly, a lot of companies just show up, spray your house down for twenty minutes, and call it a day. That’s not how we operate. When you book with Fox Window & Gutter Cleaning for exterior house washing in San Mateo County, here’s exactly what you’re getting:

First, we do a walk-around before we even unload the trailer. We’re looking for trouble spots—areas where the eucalyptus sap has really caked on, spots where the wildfire ash from last fall never fully rinsed off, places where the marine layer has left a green tint on the north side of your home.

We take care of the details:

  • Pre-treating stained areas with eco-friendly solutions before we wash
  • Soft washing for siding and surfaces that could be damaged by high pressure
  • Pressure washing for driveways, patios, and concrete that needs a deeper scrub
  • Special attention to windows and frames so we don't force water where it doesn't belong
  • Rinsing with purified water so hard water minerals from the Santa Clara Valley Basin don't leave new streaks on your glass
  • A final walkthrough with you to make sure you're thrilled with the result

How Often Should You Wash the Outside of Your Millbrae Home?

Honestly, we get this question all the time. And the answer isn’t one-size-fits-all. It really depends on what’s happening outside your home. If you’re in the hills near Taylor Estates or down closer to the bay, your house is dealing with different stuff than a place inland. Here’s what we’ve learned from washing hundreds of homes across San Mateo County:

  • Every 3–4 months for homes west of El Camino Real where salty air and fog from SFO and the bay constantly hit your siding
  • Quarterly for storefronts and commercial buildings in downtown Millbrae along Broadway — foot traffic and exhaust make a mess fast
  • Twice per year for most homes in Lomita Park and Green Hills, especially after our dry summers leave dust clinging to everything
  • Right before listing your home or hosting a big gathering — and definitely after our wet season ends in April, when that rain leaves streaky mineral marks on every surface
Book An Appointment
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