The Oregon DEQToo.org site will be offline from 10 p.m. PST on Friday, Nov. 14, through 8 a.m. PST on Monday, Nov.17, 2025 to perform site maintenance.
DEQ Too certificates and the ability to check results may not be available until site maintenance is completed.
We apologize for any inconvenience. Please contact DEQ with any questions at DEQTooInfo@deq.oregon.gov.
By paying for your vehicle's E-Certificate, your payment card will be charged immediately and your E-Certificate will be available for immediate use. There are no refunds or returns once your E-Certificate is paid for. Your charge will show on your statement as DEQ-VIPDEQTOO.