Skylight cleaning on a West Hills daylight basement — what changed inside

The consultation started with a basement problem. The homeowner on SW Patton Court — classic West Hills daylight basement, west-facing slope, mature fir and cedar on the upslope lot — had replaced LED cans downstairs and still felt like the family room was gloomy on cloudy afternoons.

Standing in that room, we looked up. Three acrylic dome skylights, probably original to a 1978 remodel, hazy from the inside. Outside, from the ladder, the story was clearer: rain mineral film, fir pollen baked in from last May, and a bead of organic grime along the lower lip of each dome.

Why skylights get skipped

Most window cleaning quotes count vertical glass. Skylights are a separate conversation — different access, different hardware, different safety setup on a hillside lot.

This property needed:

• Stabilized ladder placement on a side yard with a 12-inch grade change over six feet — typical West Hills geometry
• Interior and exterior on all three domes — exterior-only would have left the haze you see from downstairs
• Screen and track work on the main-floor windows while we were there — 22 vertical panes, several with fir needles wedged in upper tracks
• No pressure on acrylic — hand wash and squeegee only; domes scratch easily if someone treats them like patio glass

Written quote covered the full pane count plus three skylights. No surprise add-on when we saw the ladder setup.

What the job looked like

April 15, dry morning, crew of two:

Task	Detail
Skylight exteriors	Soft applicator, streak-free solution, detail wipe on dome lips
Skylight interiors	Same method — homeowner moved furniture below each opening
Main-floor glass	Inside/outside, screens rinsed, tracks vacuumed
Basement egress window	Included — often the dirtiest pane in the house, ignored because it is small

Total time on site: about 3.5 hours. The skylights alone were 45 minutes each because of ladder repositioning on the slope.

The before-and-after that mattered

We texted photos, but the homeowner’s reaction was about the basement family room, not the curb appeal. With the domes clear, the same LED cans threw noticeably more light on the carpet. Not magic — just physics. A 15 to 20 percent film on a skylight does not read as “dirty window” from inside. It reads as “why is this room sad.”

Skylights also fail slowly enough that you adapt. April is when people notice, because spring sun angle hits west slopes harder and the contrast with cleaned glass is obvious.

Maintenance interval for this lot

On a tree-heavy West Hills lot we suggested:

• Twice yearly full window service — spring after pollen, fall before the wet season steals your daylight
• Skylight check at each visit — domes fog faster than vertical glass here because of upslope tree drip
• Gutter alignment check — one rear gutter was dumping overflow toward a basement window well; we flagged it for gutter service, not a hard sell, just a photo in the report

The spring maintenance checklist puts windows and skylights in the same pass as exterior drainage checks — sensible on hillside homes where everything runs downhill toward the foundation.

If your daylight basement feels dim and you have not looked at the skylights from the roof side in a year, start there before you buy more lamps.

503-995-1947 for a written window and skylight quote — we count panes on the walk-around and quote one price, including hillside access on West Hills and Lake Oswego lots.