Response to COVID-19 Pandemic: J&M Keystone has taken several precautions to help keep our clients, customers, and staff safe in these unusual times. As well as offering viral cleaning services to clients in commercial or residential buildings. Find out more by calling our offices.
J&M Keystone, Inc. was established in San Diego almost 32 years ago. With over 100 years of combined experience in emergency water damage restoration, reconstruction, and other specialty cleaning, J&M is a full service restoration contractor. We hold a California contractor’s license with B, C15 and C54 classifications and are equipped to handle all types of property damage such as Residential, Medical and Commercial Facilities.
2709 Via Orange Way Suite A, Spring Valley, CA 91978
Lic. #613991