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.


Licenses and Training

Licenses, Certification & Training

CALL (619) 466-9876

Licenses, Certifications & Training

​J&M Keystone, Inc. holds the following licenses:


  • California B-1
  • California C-15


J&M Keystone’s technicians have received specialized training in the following:


  • Institute of Inspection Cleaning & Restoration Certification (IICRC)
  • Water Damage Restoration (water damage training)
  • Applied Microbial Remediation (mold training)
  • IICRC S-500 Standard for Water Damage
  • IICRC S-520 Standard for Mold Remediation
  • Occupational Safety and Health Administration (OSHA)
  • OSHA Standards of Safety
  • OSHA Personal Protection Equipment (PPE)
  • All J&M superintendents are 10 Hour and 30 Hour OSHA certified in Construction Safety
  • J&M frequently works to a strict remediation protocol written by an independent Certified Industrial Hygienist.
  • We work meticulously to pass strict post remediation clearance sampling by independent industrial hygienists.
  • American Red Cross
  • First Aid Certified
  • CPR Certified
  • San Diego Municipal Code 43.03
  • We comply with all the rigorous requirements of this code, which strictly stipulates the recapture and proper disposal of all exhausted wash water (pressure washing).
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