Waterproofing, Restoration & Window Cleaning

(323) 733-8552

Office Locations

HSG - HQ Los Angeles
4845 Exposition Blvd.
Los Angeles, CA 90016
P: (323) 733-8552
F: (323) 733-3306

HSG South
1844 S. Lewis Street
Anaheim, CA 92805
P: (714) 938-0400
F: (714) 938-0441



Window Cleaning


Get clean, sparkling windows backed by service and support from property maintenance experts. We help you plan your cleaning schedule far in advance to ensure the building looks fantastic and you stay on budget. As the work is performed, you have an on-call point of contact and the assurance of minimal disruption to your tenants.

Our work is covered by $10 million in insurance and done by employees who’ve been trained extensively on California OSHA guidelines.

Our services include:

  • Exterior window cleaning for high-rise commercial properties
  • Low-and mid-rise window cleaning for smaller buildings
  • Interior window, intricate surface, or light fixture cleaning inside a building


Photo Gallery



To learn more about HSG or our services, please Contact Us or call (323) 733-8552.