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46 Years
experience
Emergency
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Trusted Building Exterior Maintenance Services
Hsg Professional Window Cleaners has been Southern California's trusted building exterior expert since 1980. With over four decades of experience, we specialize in comprehensive exterior maintenance solutions for commercial, residential, and industrial properties. Our team of 100+ professionally trained employees is dedicated to safety, quality, and customer satisfaction, meeting or exceeding OSHA, ANSI, and local regulations. We offer a full range of services including waterproofing, window cleaning, pressure washing, bird control, and metal restoration, all coordinated through a single point of contact.

Our proprietary methods and commitment to innovation ensure long-lasting results while maintaining the aesthetic integrity of your property. As a Valcourt Company, we combine industry-leading expertise with personalized service to simplify complex maintenance challenges. Our leadership team, including President Hector Garcia and General Manager Mayra Cadena, brings decades of hands-on experience and industry certifications to every project.
Services
Waterproofing Window Cleaning Pressure Washing Bird Control Metal Restoration Stain Removal Parking Structure Maintenance Glass Restoration Post-Construction Cleaning Facade Coatings
Details
  • Year established: 1980
Highlights and features
  • 40+ years of specialized experience in building exterior maintenance
  • 100% OSHA-compliant safety protocols with dedicated safety training
  • Single-source provider for 10+ building exterior services
  • Proprietary window stain removal methods with guaranteed results
  • Certified technicians trained in advanced access equipment
Associations and certifications
  • SAIA
  • SkyClimber
  • PowerClimber
What people say
Professional and courteous staff Consistent work quality Above and beyond customer service Expertise and reliability Prompt response times
Services
Waterproofing Services
Our waterproofing solutions protect buildings from water intrusion through advanced leak investigation, traffic coatings, and sealant applications. We use high-quality materials and specialized techniques to address concrete strengthening, plaza deck protection, and expansion joint systems. Our certified technicians perform comprehensive inspections and implement permanent fixes for roof, window, and structural leaks.
Window Cleaning
We provide commercial window cleaning and restoration services for high-rise and mid-rise buildings using OSHA-compliant safety protocols. Our services include retail storefront cleaning, glass scratch removal, and drone-assisted cleaning for hard-to-reach areas. We utilize deionized water systems and proprietary cleaning solutions to maintain window clarity and extend glass lifespan.
Bird Control
Our humane bird control solutions include netting installation, electrified deterrents, and wire systems to prevent bird infestations. We customize bird control plans based on building architecture and local bird species, using non-harmful methods that maintain aesthetic appeal while protecting property from bird-related damage.
Pressure Washing
We offer high and low-pressure washing solutions for building exteriors, parking structures, and concrete surfaces. Our water reclamation systems ensure compliance with environmental regulations while removing dirt, mold, and oxidation. The service includes specialized stain removal treatments and protective sealant applications to maintain surface integrity.
Metal Restoration
Our metal restoration services rejuvenate weathered aluminum and steel surfaces through specialized cleaning and protective coating applications. We address oxidation and corrosion issues while preserving architectural aesthetics. The process includes protective film installation and maintenance recommendations to extend metal component lifespan.
People
Hector Garcia
President
Hector S. Garcia founded HSG in 1980 as a one-man window cleaning operation. Under his leadership, the company expanded to become a comprehensive building exterior maintenance provider serving all of Southern California.
Mayra Cadena
General Manager
Mayra Cadena oversees daily operations and client relations at HSG. With extensive experience in commercial building maintenance, she ensures service excellence across all projects and client interactions.
Steve Nsaif
Regional Vice President
Steve Nsaif manages regional operations for HSG, coordinating service delivery across multiple Southern California counties. He brings decades of experience in exterior building maintenance project management.
Jose Luis Sanchez
Field Operations Manager
Jose Luis Sanchez directs field operations and technician training at HSG. He ensures all projects meet safety standards while maintaining the company's commitment to quality and client satisfaction.
Oscar Sanchez
Field Estimator
Oscar Sanchez provides accurate project estimations and scope assessments for HSG's exterior maintenance services. His expertise ensures clients receive precise cost projections and tailored service plans.
Questions
What building types do you service?
We serve commercial, residential towers, industrial facilities, sports venues, healthcare facilities, universities, retail buildings, government properties, and aviation facilities.
Do you offer emergency services?
Yes, we provide 24/7 emergency response for urgent waterproofing, window damage, and other exterior maintenance issues requiring immediate attention.
Are your technicians certified?
All technicians receive comprehensive safety training and are certified in SAIA, SkyClimber, and PowerClimber access equipment operation and safety protocols.
What areas do you cover?
We serve all Southern California regions including Los Angeles County, Orange County, Inland Empire, Riverside/San Bernardino County, and Ventura County.
How do you ensure service quality?
We maintain quality through standardized safety plans, equipment inspections, technician certifications, and post-service client follow-ups to ensure complete satisfaction.
Can you handle large-scale projects?
Yes, our team manages projects of all sizes from single building maintenance to multi-property portfolios with dedicated project coordination.