Name: Bb Window Washing. Descripton: Will clean windows (inside & out), hard water stains, and other hard to remove marks, french panes, double panes, basement windows, screens, shutters, and window tracks. Customer satisfaction guaranteed. References available. We also offer yard maintenance. CALL FOR A FREE BID801-678-4415 Average house with about 12 regular size windows would cost $50 (just for outside). The average cost to wash inside/outside windows, screens, and tracks would be about $125. Price can change depending on size of windows. CALL TODAY FOR A FREE BID!