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



About Us


At HSG we focus on providing a full service approach to managing each client account, including window cleaning, caulking & waterproofing, high pressure cleaning, metal and curtain wall restoration, glass scratch prevention and removal, bird control, rigging and high lifts as needed. We also provide OSHA and OPOS consulting for our valued clients.

To learn more about HSG, please select an option:

Mission Statement

Staff Profiles

Safety & Affiliations

What Our Clients Say

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