Services

Learn More About Our Service Offerings

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Southern California’s Trusted Building Exterior Experts

Founded in Los Angeles, HSG has provided building exterior maintenance services throughout Southern California for over 40 years. You can count on HSG for 24/7 accessibility, clear communication, and an expert approach led by specialists at every phase.

Our Services

HSG combines 40 years of experience with the most up-to-date knowledge. From waterproofing, restoration and window cleaning to stain removal and bird control, we coordinate every service you need into one efficient plan – with a single point of contact.

Window Cleaning & Restoration

Window cleaning, glass restoration, scratch removal & prevention.

Waterproofing Services

Inspection, repair, and waterproofing of building exteriors & parking structures.

Pressure Washing

Regular pressure washing, low-pressure wash, & stain removal.

Bird Control

Safe, humane bird control and protection services.

Additional Building Services

Metal restoration, post-construction cleaning, interior dusting, & more.

Industries We Serve

HSG provides a full array of building exterior maintenance services for properties of all types, from commercial and residential towers to industrial, sports and entertainment facilities, and more.