911 Remediation is licensed by the state of California, License No. 40013938, Contractor's license number: 937118 Business mailing address in Concord : 1647 Willow Pass Rd # 245, Concord CA, 94520 5327 Jacuzzi St, Unit 4P, Richmond,
1647 Willow Pass Rd # 245, Concord, California 94520
(925) 476-2283