Start with a baseline, then check what changes
If you don’t know when the windows were last cleaned, begin by noting their current condition. Which views look clear? Where do you see marks, residue, or buildup? Take a few reference photos from safely accessible places, without climbing or leaning out.
After a cleaning, compare those same windows over time. A simple calendar reminder to look at them can help you decide whether another visit is useful. That reminder is a check-in, not a requirement to book a cleaning every time.
If the windows still look good and their care requirements are being met, there may be no reason to shorten the interval just because another property follows a different schedule.
Look at the windows that become dirty first
Marvin identifies exposure to dirt, tree sap, and bird droppings as factors in cleaning frequency. Use that as a reason to notice differences around your home rather than treating the entire house as one identical surface.
For your next estimate, make a short list:
- Which side of the house needs attention first?
- Are the marks on a few panes or spread across many windows?
- Did you notice the change gradually or after a particular event?
- Which windows matter most to the views you enjoy each day?
Those details make a conversation about timing more useful than simply asking for the most frequent service available.
Consider inside and outside separately
Check both sides before deciding what to request. A room may have noticeable fingerprints on the inside while its exterior glass still looks clear. Another window may mainly need attention outside.
Describe what you can see and ask which scope makes sense. Also mention screens, tracks, and sills if you want them addressed, and confirm what the estimate includes. Don’t assume that a window-cleaning appointment automatically covers every surrounding component.
If your glass has a coating or treatment, share that information too. Marvin advises checking with the manufacturer about special handling requirements for treated glass.
Turn observations into a practical schedule
You don’t need an elaborate maintenance system. Keep four notes after each visit:
- Date: When was the work completed?
- Scope: Which windows and sides were cleaned?
- Condition: What prompted the visit?
- Next check: When will you look again and reassess?
Over time, those notes can help you discuss a sensible interval with your cleaning team. They also help separate an occasional priority—such as preparing a favorite room for guests—from your usual maintenance needs.
Our exterior-care planning guide provides a broader way to organize observations around the property. If you’re ready to discuss the glass itself, request an estimate and tell Valley which windows need attention and what you’ve noticed.