Tennessee Clerk
County Clerk Mail &
Internet Services
PO Box 24868
Chattanooga, TN 37422
Fax: 423-209-7936

Hours: Mon - Fri
8:00am - 4:30pm EST
except designated holidays

Email County Clerk

Plate Renewals
New Business Application
Minimal Renewal
W.F. (BILL) KNOWLES - County Clerk
This online tag renewal is intended for current Hamilton County Residents only.
Please Enter the following information:

Current Placard Number

Air Pollution Board Emission Testing Update

Emission testing remains in effect prior to titling or renewing a vehicle registration until repeal is approved by the United States Environment Protection Agency (EPA). When approval is granted Hamilton County government will be notified. Updates will be posted as they become available.

EMISSIONS TESTING PROGRAM (June 2018 Update): Frequently Asked Questions and Timeframe from the TN Department of Environment and Conservation