Prostone Services

Prostone Services
Business Website Address
Business Phone Number
Business Fax
Prostone Services
Business Address
1190 Mountain View-Alviso Rd Ste M
Primary County(s) Served
Cities Served
Daly City
East Palo Alto
Foster City
Half Moon Bay
Los Altos
Los Altos Hills
Los Gatos
Menlo Park
Monte Sereno
Morgan Hill
Mountain View
Palo Alto
Portola Valley
Redwood City
San Bruno
San Carlos
San Francisco
San Jose
San Mateo
Santa Clara
South San Francisco
Year Company Was Started
Primary Services Offered
Stone restoration
Rod Repair
Outdoor Pavers
Cleaning & Sealing
Crack, chips, repairs
Carpet cleaning
Rug Cleaning
Short Business Description
Prostone Services will help you every step of the way for the best cleaning and restoration services. We pride ourselves in quality craftsmanship and the highest standards of professionalism.

With our first appointment, we will perform a thorough inspection and estimate of the work that needs to be done. Based on our assessment, we will make a few recommendations for you to freely decide on.
Associations & Groups
Natural Stone Institute
Peninsula executive association
Business networking International
Sureshine Network
Company History

Started as a textile company Janitoral Services, Best carpet care and then Ambassador services. It was ran by his father Albert Ong 1980. We have come a long way and have rebranded to Prostone Services. We specialize in stone restoration and also offer carpet cleaning.

Owner Name
Jonathan Ong
Owner Bio
Jonathan Ong is the minority owner of Freedom Auto Care and Prostone Services. He manages the start up and operations of the company. Jonathan too began working at the young age of 5 from his family’s business, Prostone Services, and has grown with the company until taking ownership in 2019. Since the transition, the company has increased well over 4 times its original gross revenues and maximized its quality assurance and control measures. Jonathan has a degree in Business Management from San Jose State University with a Commissioning through Santa Clara University as an Engineer Officer in the United Stated Army Corps of Engineers. Upon exiting the military in April 2023 with full retirement benefits, Jonathan accumulated awards to include, but not limited to: 5x Army Achievement Medals, 2x Army Commendation Medals, Army Meritorious Service Medal, NATO Support Medal, Afghanistan Campaign Ribbon, Global War on Terrorism Medal, and much more. His efforts in operations, logistics, and project management, during Operation Freedom’s Sentinel in Afghanistan saved the US military millions of dollars in operating expenses.
  • Prostone Services
  • Prostone Services
The Carpet and FabriCare Institute