Quality Service in a Proactive Way
 

Services


Services

  • Janitorial Service: daily / weekly / monthly / quarterly.
  • Day Porte Service.
  • Floor Care: VTC / Resilient / Wooden / Concrete floor.
  • Carpet Cleaning.
  • Window Cleaning.
  • Power Wash.
  • Window Cleaning.
  • Construction Final Cleanup.
Serving Customers
  • Office buildings.
  • Medical buildings.
  • Warehouse / Distributor.
  • Restaurants / Night Clubs.
  • Manufacturing companies.
  • Condominium / Apartment buildings.
  • Construction Job Site & Final Cleanup.
  • Business: Professional office / Retail / Whole Sale.
  • & Other unique facilities.


SierraJSC's Services
We provide janitorial service for business, commercial, industrial buildings and construction cleanup in Southern California
Serving Areas
  • Most Los Angeles and Orange County.
  • Part of San Bernadino and Riverside County.
Quality Management System

To achieve customer satisfaction, Sierra Janitorial Services, Inc. mandates and vigorously implements the following quality management system.

  • Customer Service
  • Operation Management
  • Inspection
  • Management Review

In order to facilitate 4 pillars of the Sierra Janitorial Services’ quality system, we adapt PDCA cycle: Plan, Do, Check, and Action. On top of the quality system, we do have a training program including safety to bring quality service through our people.