Window Washing Guide
§ THE TOOLS  ·  05 / 09  ·  REGIONAL DATA

The Cost Estimator.

Square footage, story, accessibility, region. DIY versus pro pricing, in one glance — with the assumptions visible, not buried.

Sources: IWCA 2024 Residential Pricing Report, BLS Cost-of-Living Index, HomeAdvisor 2024.

◆ HOW MANY PANES
20
1SMALL HOME ≈ 12AVG HOME ≈ 24LARGE HOME ≈ 4080
◆ WHERE
ATLANTA, MIAMI, DALLAS, HOUSTON  ·  COST INDEX 105
◆ HEIGHT
◆ ACCESSIBILITY
◆ YOUR TIME, PER HOUR
$35
$0RETIRED ≈ $0AVG ≈ $35PRO ≈ $100$200
What an hour of your time is worth — your wage, your hourly billable, or zero if you would otherwise spend it relaxing. Honest answers produce honest math.
◆ PROFESSIONAL
$441
$353–$529 TYPICAL RANGE
Includes labor, equipment, insurance, and travel. One-time clean. Add 10–15% if you want them to clean tracks, screens, and sills too.
◆ DIY (CASH ONLY)
$6
+ 6.2 HOURS OF YOUR TIME
Materials (amortized)$6Time at $35/hr$216True cost (incl. time)$221
⚡ THE VERDICT
DIY saves $220 (50%)
DIY makes sense below about $71/hr. Yours: $35/hr.