WATER DAMAGE SPECIALISTS
FOR OVER 36 YEARS

MOLD REMEDIATION EXPERTS
FOR OVER 36 YEARS

RESPONDING, RESTORING, CLEANING
AT THE HIGHEST LEVEL

ENVIRONMENTAL CLEANING
DISINFECTION, CONTAINMENT

WATER DAMAGE SPECIALISTS
FOR OVER 36 YEARS

MOLD REMEDIATION EXPERTS
FOR OVER 36 YEARS

RESPONDING, RESTORING, CLEANING
AT THE HIGHEST LEVEL

ENVIRONMENTAL
DISINFECTION
CONTAINMENT

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.

https://jmkeystone.com/wp-content/uploads/2021/03/residential.jpg

RESIDENTIAL
SERVICES

https://jmkeystone.com/wp-content/uploads/2021/02/commercial.jpg

COMMERCIAL
SERVICES

https://jmkeystone.com/wp-content/uploads/2021/04/institutions.jpg

MEDICAL & EDUCATION
INSTITUTIONS

https://jmkeystone.com/wp-content/uploads/2021/03/multihousing.jpg

MULTI-FAMILY
HOUSING

EXCELLENT
77 reviews on
David Osborn
David Osborn
2021-04-20
Verified
Branko Babic
Branko Babic
2021-04-20
Verified
Fast and accurate.
Read more
Elma G
Elma G
2021-04-12
Verified
Ann Jackson
Ann Jackson
2021-04-06
Verified
Sandra Jimenez
Sandra Jimenez
2021-04-04
Verified
Anthony
Anthony
2021-03-31
Verified
Erin Prout
Erin Prout
2021-03-28
Verified
john smith
john smith
2021-03-28
Verified
I asked my insurance company to pick the water mitigation company. If I ever needed a water mitigation company I would use them again.
Read more
Laura Herrera
Laura Herrera
2021-03-25
Verified

WHO WE ARE

​J&M Keystone, Inc. was established in San Diego almost 35 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.

WHY CHOOSE J&M KEYSTONE

https://jmkeystone.com/wp-content/uploads/2021/02/faster.jpg

FASTER

https://jmkeystone.com/wp-content/uploads/2021/04/advancedtech.jpg

ADVANCED TECHNOLOGY

https://jmkeystone.com/wp-content/uploads/2021/02/square.jpg

HIGHLY TRAINED

https://jmkeystone.com/wp-content/uploads/2021/02/professional.jpg

EXPERIENCED

Emergency Response within 60 minutes, 7 Days a week, 24-hours a day!

CALL: 619.466.9876

WHAT SERVICES DO WE PERFORM?

https://jmkeystone.com/wp-content/uploads/2021/02/carpetcleaning.jpg

CARPET
CLEANING

https://jmkeystone.com/wp-content/uploads/2021/02/waterdamage.jpg

WATER
DAMAGE

https://jmkeystone.com/wp-content/uploads/2021/03/generalconstruction.jpg

GENERAL
CONSTRUCTION

https://jmkeystone.com/wp-content/uploads/2021/02/moldsquare.jpg

MOLD
REMEDIATION

https://jmkeystone.com/wp-content/uploads/2021/02/emergency.jpg

FIRE & SMOKE
CLEANING

https://jmkeystone.com/wp-content/uploads/2021/04/packout.jpg

PACK-OUT
CONTENTS CLEANING

https://jmkeystone.com/wp-content/uploads/2021/02/biosquare.jpg

DISINFECTION
CONTAINMENT

https://jmkeystone.com/wp-content/uploads/2021/02/pressurewashing.jpg

PRESSURE
WASHING

CERTIFICATIONS

ASSOCIATIONS