what is the sales tax rate in lawrenceville  georgia
- Lawrenceville, GA Sales Tax Rate. The current total local sales tax rate in Lawrenceville, GA is 6.000%. The December 2016 total local sales tax rate was also 6.000%. Lawrenceville, GA is in Gwinnett County. Lawrenceville is in the following zip codes: 30042, 30043, 30044, 30045, 30046, 30049, 30227, 30243, 30244, 30245, 30246.