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Crystal CleanA1 Window Services
(805) 952-5718

Our home town

Exterior Cleaning Services in San Luis Obispo

We are based on Foothill Blvd, which means San Luis Obispo is not a town we drive out to. It is the one we drive home through.

Serving San Luis Obispo  ·  Mon to Sat, 7am to 6pm ·  License #17881

Get a fast quote for your San Luis Obispo property

Ten miles inland changes everything about your glass

Close enough to the ocean for the fog, far enough for the heat. Both leave something behind.

San Luis Obispo sits in a gap in the hills about ten miles from the water, and that distance is the whole story. The marine layer still pushes up the valley most mornings, so glass here picks up a salt haze, but it is a fraction of what Morro Bay or Shell Beach deal with. Then the fog burns off by ten or eleven and the afternoon turns genuinely hot, which bakes whatever is sitting on the pane into place. Coastal deposit, inland drying. That combination is specific to this stretch.

The housing stock makes it worse in an interesting way. A lot of the town is built into hillsides, up on the Terrace, along Ferrini, above Foothill, out toward Johnson. Hillside lots mean upper stories that are two floors on one elevation and three on the other, awkward ladder footing, and windows that face straight into afternoon sun and wind. You cannot quote a house here off a floor plan. Someone has to walk the lot.

Then there is the twenty thousand or so students. Cal Poly rentals turn over hard every June and September, and landlords and property managers around Foothill, Grand and the streets off California all want the same two weeks. Downtown is its own thing again: Higuera and Marsh storefronts want glass that looks clean at eye level from the sidewalk, on a schedule, and they want us in before the shops open.

What San Luis Obispo does to a property

None of this is generic. These are the problems that show up here and not necessarily ten miles down the road.

  • Hillside lots and the two heights problem

    On the Terrace, Ferrini and the streets climbing off Foothill, a house that is single story at the street is often two or three at the back. That is where a water fed pole earns its keep, because footing a ladder on a slope below a downhill elevation is how people get hurt. We look at the lot before quoting rather than counting windows off the front.

  • Fog in the morning, real heat by two

    The daily cycle here deposits and then bakes. Salt haze settles overnight, the fog clears mid morning, and the afternoon sun sets it. Clean too early on a foggy day and the glass dries spotted, so on marine layer mornings we work the shaded elevations first and come back around to the east side once it has burned off.

  • Student rental turnover in June and September

    Every landlord and property manager near campus wants the same two weeks twice a year. Move out condition on rental glass is usually worse than an owner occupied home, with tape residue, stickers and a year of nobody touching the tracks. Booking that work ahead of the rush is the difference between getting it done and joining a queue.

  • Downtown storefronts and street level grime

    Higuera, Marsh and Monterey glass gets hand marks, dog noses and road film off the street, and it shows from the sidewalk all day. That is route work rather than a once a year clean, and it happens before opening so nobody is squeezing past a bucket.

Where we work in San Luis Obispo

  • Downtown and the Higuera corridor
  • Foothill and the Cal Poly rentals
  • The Terrace
  • Ferrini Heights
  • Laguna Lake
  • Johnson Avenue
  • Edna Valley and the Orcutt Road side
  • Los Ranchos

What gets booked most here

Window cleaning is the bulk of what we do here. Hard water removal comes second because so many yards run sprinklers against the house, and the hillside lots mean solar arrays that nobody else wants to get to.

Real reviews, real Central Coast addresses

The light literally shines brighter

Every word below is lifted straight from Corey's Google profile. Nothing written by us, nothing tidied up.

Crystal Clean was at our house this morning to clean all the windows on the first and second story and did a wonderful job. Corey is a perfectionist and is very detail oriented. He cleaned the windows inside and out, cleaned the screens, cleaned the tracks, and even all the window sills.
Mark MWindow cleaning, inside and outa month ago
Had our windows and solar panels cleaned. WOW! I keep looking out the windows because I can't believe how clean they are. Corey's team is fast and hard-working, too. We are so glad we had this done!
Karol CollyerWindows and solar panelsa month ago
Corey and his crew are just amazing. On time, fast, great price and a stunning outcome! Terrific communication ahead of time. After he cleans our windows, the light literally shines brighter. Love it!
Maggie CoxWindow cleaninga month ago
Cory and team did a fabulous job on our Cayucos Beach house window cleaning, inside and out. Our house looks brand new again! Very responsive and easy to work with. Great price as well. We will definitely use them again.
Kristin OlsonCayucos · Beach house window cleaning2 years ago
The best!!! On time, very confident and considerate inside our home as well as outside. Corey and his son are very professional at what they do. 2 objectives we needed done. 1 very hard to reach interior skylight and our solar panels needed cleaning. We will definitely have them back on a yearly maintenance plan for sure.
Jim & Sandy ClarkGrover Beach · Skylight, solar and gutters3 years ago
Communication was top shelf. Timely, arrival and departure. Fairly priced to local competition. Professional, beginning to end. Ran a clean operation, wore booties over shoes inside without asking, never noticed they were here after they left due to picking up after themselves. Our 3 story home was no easy task but they managed to clean all of our 27 windows just fine.
Marc G3 story home, 27 windows5 years ago
If I could give Crystal Clean 10 stars, I would! My pergola was extremely dirty and moldy as my home power washing attempts could never get it clean. I was considering taking it down it was such an eyesore. It now looks brand new without a trace of mold to be found!
Janice MehringPergola mold removal2 years ago
Cory was responsive from our very first contact, always following up and showing up. And our windows are literally sparkling, which I thought was just a phrase. The company uses soft water which reduces water stains.
Pamella WoodWindow cleaning8 months ago
Crystal Clean A1 has cleaned the solar panels on our house and HOA pool house twice now. Both times they were easy to communicate with, arrived as scheduled, and did a thorough job for a reasonable price. They're an easy company to recommend.
Matthew BudraitisResidential and HOA solar2 years ago
I've never seen my windows so clean!! Not only did they clean all our windows but our screens, solar panels and gutters! Very professional and fast! I would definitely use again and recommend you do too!
Melissa MudgettWindows, screens, solar and gutters5 years ago
Corey has cleaned probably close to 20 houses of windows and solar panels and a driveway or two. I have always been more than satisfied with the work and he always goes above and beyond for a fair price.
Aaron RobertshawWindows, solar and drivewaysa year ago
Cory was the ultimate professional. Great communication, timeliness and did an amazing job! I cannot recommend him highly enough. This is my second time using his services and I would highly recommend him, you will be pleased.
SueRepeat customer6 months ago
Corey was professional, responsive, and did a fabulous job cleaning my windows inside and out. I highly recommend Crystal Clean A1.
Dianne CoppengerWindow cleaning3 months ago
Excellent work cleaning my homes windows. This is the second time I have had this company out and they have once again exceeded my expectations. I will continue to be a return customer.
Kaelan ClarkRepeat customera year ago
Double glaze window cleaning perfection. At last a window cleaning company that really provides service. Timely and professional. Most window companies fall apart after first visit. For now 10 out of 10. Look no further, you found it.
Tracey DeakinDouble glazing6 years ago

No obligation, no pressure, no call center

We Guarantee 100% Satisfaction

Every job finishes the same way: a walk around with you before we pack up, so anything you are not happy with gets put right there and then. Corey Byler is the one doing that walk around. Business License #17881, insured to $1,000,000, and no part of the job handed to somebody else.

Crystal Clean A1 working from a ladder on a two story property in San Luis Obispo County

How Crystal Clean A1 is different from the other options

  • Licensed and insured to $1,000,000
  • The owner is the one on your property
  • Nothing handed off to a subcontractor
  • Water fed poles, ladders and lifts on hand
  • Windows plus the rest of the exterior
  • Residential and commercial work
  • Actually based in San Luis Obispo County

A part time operator or an out of area franchise will give you some of this list. Not all of it.

Business License #17881. Insured to $1,000,000 in liability. Ask us for the certificate before any job, commercial or residential.

San Luis Obispo questions

How often should windows be cleaned in San Luis Obispo?
Two to three times a year suits most San Luis Obispo homes. The town sits about ten miles inland, so it gets a lighter salt load than Morro Bay or Shell Beach but more marine deposit than Paso Robles or Atascadero. If your property is on a hillside facing the afternoon sun and wind, or if sprinklers hit the lower panes, lean toward three. Downtown storefronts on Higuera and Marsh are a different question entirely and usually want monthly or every other week route work, because street level glass shows hand marks within days.
Do you work on the hillside homes above Foothill and on the Terrace?
Yes, and those lots are a large part of the work in San Luis Obispo. A house that reads as single story from the street is frequently two or three stories at the back once the ground falls away. We run water fed poles for that, which reach the upper elevations without anyone footing a ladder on a slope, and we bring a lift where a building genuinely needs one. Corey walks the lot before quoting rather than counting windows off the front elevation.
Can you handle Cal Poly rental turnovers?
Yes, and booking early matters more in San Luis Obispo than anywhere else Crystal Clean A1 works. Every landlord and property manager near campus wants the same two weeks in June and again in September, so the calendar fills fast. Rental glass at move out is usually rougher than an owner occupied home, with tape residue, sticker adhesive and tracks nobody has touched in a year. Tell us the handover date and we will build backward from it.
Where are you actually based?
265 Foothill Blvd, San Luis Obispo, CA 93405. This is our main location and it is a real address, not a virtual office in a town we visit occasionally. We also run a second location up in Atascadero, which is what makes covering North County and the South County beach towns in the same week practical. Phone is (805) 952-5718, Monday to Saturday, 7:00 AM to 6:00 PM.
Do you do commercial window cleaning downtown?
Yes. Downtown San Luis Obispo means recurring route work on the Higuera, Marsh and Monterey storefronts. Street level retail glass picks up hand marks, dog noses and road film continuously, so most downtown businesses are better served by a short regular visit than an occasional deep clean. We schedule before opening so nobody is stepping around equipment. Corey handles commercial quotes directly and no part of the work is subcontracted.

Ready to see what your glass actually looks like?

Send an address and we will get you a real number. Residential or commercial, anywhere from Cambria to Santa Maria.

Monday to Saturday, 7:00 AM to 6:00 PM ·  Owner operated  ·  Nothing subcontracted

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