Los Angeles County · Westside · 105 ft
Sonlight cleans windows across Santa Monica, from the Gold Coast and Ocean Park to Sunset Park, Wilshire-Montana and the Pico neighborhood. We opened our Southern California operation in 2026 after 48 years on Colorado's Front Range, and the thing we brought that matters here is a crew that treats salt as a corrosion problem rather than a dirt problem.
Santa Monica is the clearest example in the region of why a coastal maintenance interval cannot be copied from inland. Within a couple of miles of breaking water the airborne chloride load runs roughly an order of magnitude above what an inland address sees, and coastal humidity here sits between seventy and ninety percent through most of the year. That combination is what does the damage. Dry salt blows away; damp salt does not. It stays as a continuous conductive film on every pane, aluminum frame, screen spline, roller and hinge on the building, and it works on them the whole time.
The second Santa Monica variable is that the city pumps its own water. Rather than buying imported Metropolitan supply the way Beverly Hills and Malibu do, Santa Monica draws heavily on the Charnock and Arcadia wellfields and treats it locally. That is basin groundwater, and basin groundwater in this part of the county carries real mineral. So a Santa Monica window is getting two deposits at once: salt from the air and calcium from every irrigation head that clips it, with no rain between May and November to dilute either. It is a harder environment on glass than almost anywhere inland at the same price point.
Architecturally this is a hand-work city. The Wilshire-Montana and Ocean Park streets hold 1920s and 1930s Spanish Colonial Revival with steel casement windows and divided lights, whose putty glazing is now around ninety years old. North of Montana and along the bluffs there is significant mid-century and contemporary stock with large single-pane lights and walls of sliders. Downtown and Ocean Avenue add mid-rise and tower glass that cannot be reached from the ground. Those are four different jobs and the equipment appropriate to one will damage another.
Every job is priced before we arrive. Enter your address, get a real number in about thirty seconds, and pick a day. No in-home estimate and no callback. Every clean carries our 24-hour guarantee: if something looks wrong after we leave, we come back at no charge.
Four variables decide what is on a window in Southern California and what it takes to get it off: which water you drink, how much ocean you get, where the wind comes from, and how long it goes without raining. Here is where Santa Monica sits on each.
Southern California does not run on the four seasons that window cleaning advice usually assumes. Santa Monica follows the Westside calendar, which is the actual year in the order it happens and what each phase does to your glass.
What it does to glass
Almost all of the year's rain arrives in this window, with February the wettest month. The first storm of the season is the destructive one for appearance: it wets six months of accumulated salt and dust just enough to mobilise it, then dries it into vertical streaking that follows the pane. Canyon runoff and hillside splash add a mineral band to the bottom of ground-floor glass.
What we do about it
We push Westside customers to clean in late October rather than after the first storm. Going into the wet season with clean glass means the rain lands on nothing and the house looks right through winter instead of looking worst on the first grey day.
What it does to glass
May and June are the cloudiest months on this coast, around fifty-nine and fifty-eight percent sunny days respectively. Fog is not rain and rinses nothing. It wets the dust already on the glass, holds it there all morning, and dries it into a mottled film when the sun finally cuts through. It also keeps salt in solution on the surface for hours at a time, which is when it does its damage.
What we do about it
Exterior work gets sequenced by sun rather than by side of house: sun-facing elevations first, shaded elevations after the layer lifts. Cleaning into a marine layer dries slowly and unevenly, and that is where streaking on north faces comes from.
What it does to glass
Seven months with no rinse. Everything that lands stays: road film, construction dust, pollen, jacaranda honeydew, and a continuous salt drift. Irrigation running through the whole stretch adds mineral to any pane a head can reach, and there is no rain to dilute it.
What we do about it
Three visits a year is the honest recommendation for most Westside homes rather than two, and we say so. We also walk the irrigation before leaving and point out which heads are hitting glass, because moving one head is worth more than an extra service call.
What it does to glass
Offshore wind funnels through the canyons at fifty to seventy miles an hour. Debris arrives from inland, so the elevation that gets loaded is the one facing away from the ocean, which is the opposite of what most owners expect. Fine grit packs into tracks and weep holes and abrades screen mesh.
What we do about it
Tracks are cleared dry before any water touches the window. Wetting embedded silica and dragging a squeegee through it is how glass gets scratched, and this is the season it happens. Exterior work booked into an active wind event gets rescheduled at no charge.
What it does to glass
Jacaranda honeydew, which is aphid excretion rather than sap, rains continuously onto anything under a blooming tree. Fresh, it rinses off with water. Left on hot glass it cooks into the surface and then grows black sooty mold on the sugar.
What we do about it
On jacaranda blocks we recommend early July rather than May, once the drop has finished, and we will tell you which panes are worth hosing down in the meantime rather than selling you a clean that gets undone in a week.
The full regional guide, including what makes Westside different from the rest of the metro, is on our The Westside and the Malibu Coast page.
The most common disappointment here is a homeowner on an annual schedule discovering a permanent haze on the ocean-facing elevation. Salt held in a damp film works slowly and then all at once. Surface deposits lift completely. Deposits that have been cycling wet and dry against the same pane for a decade have etched the silica, and at that point restoration improves the appearance but cannot perfect it. We test an inconspicuous section before quoting so you know which category you are in before spending anything.
Contemporary Santa Monica construction runs to multi-slide and pocketing door systems, and beach sand finds the bottom track and stays there. Sand grinds the rollers, the panel starts to drag, and the repair is an order of magnitude past a cleaning. Clearing that track dry, vacuuming it, and confirming the weeps still pass water is the highest-value ten minutes of a visit on this coast.
The Spanish Revival stock through Wilshire-Montana and Ocean Park has steel casement windows whose glazing putty failed decades ago and has been held in place by paint since. Those frames also rust from inside the rabbet outward, which is invisible until it is not. Aggressive cleaning across a divided light pops putty and loosens glass. We work those by hand with water kept off the frame and photograph what we find, because a casement caught early can be reglazed and one left another decade usually cannot.
Pricing is per property: square footage, window count, stories and access. Here is a real Santa Monica example:
Example: Two-story 2,200 sqft Sunset Park home, roughly 24 windows, aluminum sliders, four blocks from the sand
Interior only
$330
Exterior only
$365
Both (most popular)
$610
Mineral restoration for irrigation etching is quoted separately. It is a different job than washing, and pretending otherwise is how customers end up paying twice. Get an exact price for your Santa Monica address in 30 seconds.
Large lots, mature canopy and a lot of original mid-century glass. Big single lights that are slow and expensive to replace, so no thermal shock and no impact loads.
Dense 1920s and 1930s courtyard buildings and Spanish Revival with steel casements. Hand work pane by pane; a pole across a divided light pops putty.
Craftsman and bungalow stock a few blocks off the sand. Full salt exposure with original wood sash, which is the combination that needs the gentlest approach.
Postwar single-story with aluminum sliders. The sliders are the tell here: track sand and hardened rollers show up years before the glass looks bad.
Mixed residential and light commercial with storefront glass on a busy corridor. Road film adds an oily component that a plain wash spreads rather than lifts.
Duplexes and small apartment buildings, mostly aluminum-framed. This is where salt pitting on frames turns up first because the assemblies are thinner.
Mid-rise and tower residential where nothing above the third floor is reachable from the ground. That work is rope descent, not ladders.
The highest salt load in the city and frameless glass rail with no eave over it. That rail needs roughly twice the frequency of the windows behind it.
ZIP codes served: 90401, 90402, 90403, 90404, 90405
Interior and exterior glass, screens off the frame and hand-washed, and tracks cleared dry before any water touches the window.
The service this metro actually needs most. Most of Greater LA drinks 12 to 18 grain water, and irrigation overspray does more permanent damage to glass here than anything airborne.
Title 24 has put an array on nearly every home built since 2020, and seven rainless months mean nothing washes them. Measured California soiling is around 7 percent across a dry summer.
Near the coast salt pits the frame and hardens the spline years before the mesh looks worn. Inland, Santa Ana grit abrades it. Rescreening is routine here, not an upsell.
Low-pressure washing for stucco. Pressure drives water into a stucco wall assembly where it has nowhere to go, and the damage shows up months later.
Driveways, walks and hardscape, with a degreasing step where corridor oil is in the concrete. We keep pressure off stucco entirely.
Cement, stucco and gypsum fines cure onto new glass and are harder than it is. Dry-wiping them scratches permanently. This needs a dedicated flooded pass.
Only where your roof actually has gutters. Barrel tile here frequently carries partial runs, and low-slope roofs drain through scuppers instead. We check before quoting.
Three times a year for anything within about a mile of the water, twice for the inland edge toward Pico and Mid-City. That is not an upsell. Salt sitting in a damp film pits aluminum frames, hardens screen splines out of their channel and eventually hazes glass, and the assembly usually fails before the pane looks bad. Stretching a coastal house to annual means paying for restoration later rather than cleaning now.
Harder than most of Los Angeles, yes. Santa Monica draws heavily on its own Charnock and Arcadia wellfields, which is basin groundwater and carries a real mineral load, rather than the Owens Valley aqueduct water at roughly 6.5 grains per gallon that reaches much of the city. If you moved here from the Palisades and suddenly have spotting you never had before, the house did not change, the water did.
Usually, if it is caught. Surface-bonded salt and mineral lift completely with a controlled restoration. Once the deposit has been cycling wet and dry against the same pane for many years it etches into the silica, and at that point restoration improves it substantially but cannot make it perfect. We test an inconspicuous section before quoting and tell you plainly which one you have.
Yes. Above the third floor that becomes rope descent or suspended-platform work, which is a licensed, OSHA-governed discipline with its own anchor inspection and rescue planning. We do that work. It is worth knowing that most companies quoting window cleaning in this market cannot legally go above pole reach, which is usually what explains wildly different bids on the same building.
See the full Greater Los Angeles service area and Southern California window care guide.
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