Post-construction window cleaning in Santa Monica is a different job than a maintenance clean, and treating it as the same one is how new glass gets scratched. Construction leaves behind cement and stucco fines, gypsum dust, adhesive residue, paint overspray, and label glue, none of which is loose dirt, and all of which is abrasive or bonded.
Quick answer
Post-construction window cleaning is a deeper clean for new builds, it removes silica dust, paint specks, stickers, and construction film that standard cleaning won't touch.
The checklist is the same everywhere. What is on your glass is not. These are the conditions that actually shape this job in Santa Monica. Each one is true here and false in plenty of other towns we serve.
Cement, stucco, and gypsum fines are harder than glass. Dragging them across a pane with a dry cloth. The instinctive thing to do when you see haze on a brand-new window, grinds them into the surface and leaves permanent fine scratching that shows in every low-angle light for the life of the window. Construction glass gets flooded, given real dwell time to release the bonded material, and only then bladed. If a Santa Monica builder's cleaning crew is wiping windows dry, that is a problem worth stopping.
A razor scraper is sometimes necessary for paint spatter and adhesive, but tempered glass, which is what most modern safety glazing is, often carries fabrication debris in the surface from the tempering oven. Running a blade across it can drag that debris and cause scratching that then gets blamed on the cleaner. We test in an inconspicuous corner first, use the blade only where it is required and always wet, and stop if the glass tells us not to. That test costs a minute and prevents an argument about a very expensive pane.
On Santa Monica projects the right sequence is a rough clean once the messy trades are finished and a final clean after the last of the finish work. Trying to do it in one pass at the end means the bonded material has had months to cure and the final result is worse for more money. Builders who schedule both consistently get better handover results, and it is worth putting on the schedule at framing rather than remembering at punch list.
Santa Monica pumps Santa Monica's own Charnock and Arcadia wellfields, topped up with purchased Metropolitan supply. That water has spent a long time moving through limestone-rich alluvium washed down out of the mountains, and it carries the calcium to prove it. Basin groundwater across this part of Southern California routinely runs twelve to eighteen grains per gallon. It is excellent water to drink and it is hard on glass, because every drop that dries on a window in this climate dries fast and completely, and what is left is mineral.
Sticker and label removal. Every new window has stickers (NFRC, manufacturer, ENERGY STAR). We scrape and chemical-treat each one without scratching the glass.
Silica dust removal, fine concrete and drywall dust gets into screen tracks and frames. We clear out every track and wipe every frame as part of the standard scope.
Paint speck removal: drywall mud, primer, finish paint, and overspray. Each is treated with surface-appropriate chemistry. What works on dried paint won't work on cured polyurethane and vice versa.
Saw-cut grit cleaning, the fine wood/metal dust that settles on every horizontal surface near where cuts were made. Cleaned from sills, frames, and screens.
Final detail clean, after all the heavy lifting, a standard interior + exterior + screen + sill + frame clean to deliver a move-in-ready home.
HOA/builder coordination, we coordinate with your builder's finish-out schedule so we're cleaning after the punch-list is complete (otherwise it's a wasted clean).
We sequence post-construction cleaning AFTER the builder's punch-list is complete. Cleaning earlier wastes the work because more dust will settle. Most builders want us in 1-3 days before walkthrough.
Each window's stickers get scraped (plastic blade, never metal) and any adhesive residue is chemical-treated. This alone takes 10-15 minutes per window on a fully-stickered new build.
Clear every screen track and bottom track of silica dust and grit. Wipe sills and frame interior. This is what makes the difference between 'looks clean' and 'feels clean'.
Surface-appropriate solvent for each contaminant. Dried latex paint = different chemistry than cured polyurethane = different chemistry than spray-paint overspray. We carry the full kit.
Standard interior + exterior + screen + sill + frame clean. Now-ready home, photographed, walkthrough-ready.
Most Santa Monica properties land between $670 and $1465 for this service. That band is derived from real Santa Monica jobs, not a national average, which is why it differs from the number you would see on our page for a neighboring town. Here is how the job profiles break down:
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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.
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.
See every neighborhood and the full local guide on our Santa Monica window cleaning page.
Front Range new construction is concentrated in Stapleton (Central Park) Denver, Painted Prairie Aurora, Banning Lewis Ranch Colorado Springs, and Bucking Horse Fort Collins. We have established workflows with builders in each of these communities and can coordinate with their punch-list teams directly.
Colorado dust is finer than other regions because of the dry climate, silica from concrete and drywall hangs in the air longer and settles in tighter places (track corners, screen frame seams). A standard window clean misses 30-40% of this; post-construction cleaning catches it.
Hail timing, for builds completing during hail season (May-September), the post-construction clean often happens after a hailstorm. We run a separate post-hail check on top of standard scope at no extra charge.
Because it is genuinely more work and more risk. Construction residue is bonded and abrasive rather than loose, each pane needs flooding and dwell time before anything touches it, adhesive and paint need careful blade work, and tempered glass has to be tested first to avoid fabrication-debris scratching. A maintenance clean is a fraction of the labor per window.
Almost certainly cement, stucco, or gypsum fines that got damp and cured onto the glass. It is not ordinary dirt, household cleaner will not lift it, and, most importantly, do not wipe it dry. Those particles are abrasive and dry-wiping them grinds them across the pane. It needs a flooded pass with real dwell time, which is what a proper post-construction clean is.
Standard cleaning removes surface dirt: pollen, dust, fingerprints. Post-construction removes the construction film: silica dust, drywall mud, paint specks, sticker residue, saw-cut grit. It's roughly 2× the labor and uses different chemistry.
Most new builds run $400-$1,200. A typical 2,500 sqft new build with ~28 windows is around $700-$950. Larger custom homes (3,500+ sqft) run $950-$1,500+. Townhomes are $200-$350 per unit.
AFTER the builder's punch-list is complete and before homeowner walkthrough. Earlier wastes the work; later means walkthrough delays. Most builders want us in 1-3 days before walkthrough.
Yes. Dried latex paint, cured polyurethane, oil-based stain, and spray-paint overspray each need different solvent chemistry. We carry the full kit. Severe overspray (whole-window coverage) carries a $50-$200 add-on.
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