how much can i contribute into my 457 plan
A. In 2015, you may defer $18,000 into the 457(b) plan and $18,000 into the 403(b) plan. You may be able to contribute more if you qualify for one of the several catch-up s (see below).n addition, if you have 15 years of service with the District, you may also be eligible to make an additional $3,000 catch-up contribution to the 403(b) plan. Click here to learn more about 403(b) plans. 457(b) - In 2015, if you are age 50 or older you may contribute an additional $6,000 into the 457(b) plan.