SBA 504 loan funds come from the sale of government-guaranteed bonds.

Bond sales occur once a month, and rates are fixed at the time of the sale for the duration of the loan. See current and historical effective rates listed below:

Current Interest Rates

2018
January 4.641%
February 4.940%
March 4.920%
April 5.029%
May 5.222%
June 5.320%
July 5.259%
August
September
October
November
December

Historical Interest Rates

2017 2016 2015 2014 2013
January 4.585% 4.831% 4.601% 5.54% 4.21%
February 4.607% 4.324% 4.546% 5.31% 4.29%
March 4.827% 4.553% 4.799% 5.29% 4.30%
April 4.625% 4.311% 4.591% 5.19% 4.16%
May 4.668% 4.320% 4.850% 5.08% 4.15%
June 4.596% 4.232% 5.062% 5.069% 4.53%
July 4.766% 4.091% 4.961% 4.952% 5.23%
August 4.537% 4.093% 4.909% 4.96% 5.24%
September 4.376% 4.082% 4.902% 5.002% 5.70%
October 4.635% 4.261% 4.801% 4.821% 5.45%
November 4.510% 4.357% 4.778% 4.879% 5.46%
December 4.499% 4.596% 4.873% 4.782% 5.46%