One Source Property Services is a major provider of janitorial and building services in Southern and Northern California, presently employing approximately 527 personnel with its head office centrally located in City of Orange California with over 60+ years of combined experience. One Source Property Services inception, dates back to 2000 and is Women and Minority Owned and Operated. We currently provide cleaning services for more than 9,000,000 square feet to major commercial and industrial companies.

At OSPS we strive to give our clients and partners the best service solutions tailored to their unique requirements and customized cleaning plans that fit their needs.


Our mission is to bring exceptional services at cost effective prices, and establishing long lasting relationships with our clients.