You are comparing a rate on a transaction in your admin console with the rate for the destination address using http://salestax.avalara.com and are getting different results.
- The Admin Console transaction uses settings available only in your account which will affect the result:
- Nexus settings
- Tax codes
- Tax rules
- Item codes
- The pinpoint on the map http://salestax.avalara.com may not be location, because the website does not recognize the address, click the + symbol to magnify the location and review whether the pinpoint is the actual address, or the center of the town.