STATE MAXIMUM INTEREST RATE
(Computed and filed by the State Treasurer under RCW 19.52.025)

The maximum allowable interest rate applicable for the month of February 2019 pursuant to RCW 19.52.020 is twelve point zero percent (12.00%) per annum. The auction yield of the January 7, 2019 auction of the six-month Treasury Bill was 2.536%

The interest rate required by RCW 4.56.110(3)(a) and 4.56.115 for the month of February 2019 is 4.536%.

The interest rate required by RCW 4.56.110(3)(b) and 4.56.111 for the month of February 2019 is 7.500%.

NOTICE: FEDERAL LAW PERMITS FEDERALLY INSURED
FINANCIAL INSTITUTIONS IN THE STATE TO CHARGE
THE HIGHEST RATE OF INTEREST THAT MAY BE
CHARGED BY ANY FINANCIAL INSTITUTION IN THE
STATE.  THE MAXIMUM ALLOWABLE RATE OF
INTEREST SET FORTH ABOVE MAY NOT APPLY TO A
PARTICULAR TRANSACTION.
Click here to view Previous Monthly Interest Rates

PREVIOUS MONTHLY INTEREST RATES

Month and YearApplicable Pursuant to
RCW 19.52.020
6 Month
Treasury Bill
Auction Yield
Required by RCW
4.56.110(3)(a) and 4.56.115
Required by RCW
4.56.110(3)(b) and 4.56.111
February 201912.00% per annum2.5364.536%7.500%
January 201912.00% per annum2.5624.562%7.250%
December 201812.00% per annum2.5154.515%7.250%
November 201812.00% per annum2.3964.396%7.250%
October 201812.00% per annum2.2974.297%7.000%
August 201812.00% per annumN/A4.136%7.000%
July 201812.00% per annumN/A4.121%6.750%
June 201812.00% per annumN/A4.048%6.750%
May 201812.00% per annumN/A3.950%6.750%
April 201812.00% per annumN/A3.873%6.500%
March 201812.00% per annumN/A3.687%6.500%
February 201812.00% per annumN/A3.610%6.500%
January 201812.00% per annumN/A3.450%6.250%
December 201712.00% per annumN/A3.327%6.250%
November 201712.00% per annumN/A3.214%6.250%
October 201712.00% per annumN/A3.137%6.250%
September 201712.00% per annumN/A3.163%6.250%
August 201712.00% per annumN/A3.152%6.250%
July 201712.00% per annumN/A3.091%6.000%
June 201712.00% per annumN/A2.993%6.000%
May 201712.00% per annumN/A2.927%6.000%
April 201712.00% per annumN/A2.850%5.750%
March 201712.00% per annumN/A2.631%*5.750%
February 201712.00% per annumN/A2.641%*5.750%
January 201712.00% per annumN/A2.625%*5.500%
December 201612.00% per annumN/A2.544%*5.500%
November 201612.00% per annumN/A2.498%*5.500%
October 201612.00% per annumN/A2.478%*5.500%
September 201612.00% per annumN/A2.401%*5.500%
August 201612.00% per annumN/A2.345%*5.500%
July 201612.00% per annumN/A2.437%*5.500%
June 201612.00% per annumN/A2.401%*5.500%
May 201612.00% per annumN/A2.391%*5.500%
April 201612.00% per annumN/A2.483%*5.500%
March 201612.00% per annumN/A2.474%*5.500%
February 201612.00% per annumN/A2.510%*5.500%
January 201612.00% per annumN/A2.545%5.250%
December 201512.00% per annumN/A2.285%5.250%
November 201512.00% per annumN/A2.066%5.250%
October 201512.00% per annumN/A2.280%5.250%
September 201512.00% per annumN/A2.168%5.250%
August 201512.00% per annumN/A2.086%5.250%
July 201512.00% per annumN/A2.071%5.250%
June 201512.00% per annumN/A2.071%5.250%
May 201512.00% per annumN/A2.097%5.250%
April 201512.00% per annumN/A2.076%5.250%
March 201512.00% per annumN/A2.066%5.250%
February 201512.00% per annumN/A2.112%5.250%
January 201512.00% per annumN/A2.076%5.250%
December 201412.00% per annumN/A2.061%5.250%
November 201412.00% per annumN/A2.041%5.250%
October 201412.00% per annumN/A2.051%5.250%
September 201412.00% per annumN/A2.051%5.250%
August 201412.00% per annumN/A2.061%5.250%
July 201412.00% per annumN/A2.056%5.250%
June 201412.00% per annumN/A2.046%5.250%
May 201412.00% per annumN/A2.051%5.250%
April 201412.00% per annumN/A2.081%5.250%
March 201412.00% per annumN/A2.061%5.250%
February 201412.00% per annumN/A2.081%5.250%
January 201412.00% per annumN/A2.101%5.250%
December 201312.00% per annumN/A2.086%5.250%
November 201312.00% per annumN/A2.061%5.250%
October 201312.00% per annumN/A2.056%5.250%
September 201312.00% per annumN/A2.076%5.250%
August 201312.00% per annumN/A2.086%5.250%
July 201312.00% per annumN/A2.081%5.250%
June 201312.00% per annumN/A2.076%5.250%
May 201312.00% per annumN/A2.107%5.250%
April 201312.00% per annumN/A2.122%5.250%
March 201312.00% per annumN/A2.112%5.250%
February 201312.00% per annumN/A2.122%5.250%
January 201312.00% per annumN/A2.142%5.250%
December 201212.00% per annumN/A2.152%5.250%
November 201212.00% per annumN/A2.137%5.250%
October 201212.00% per annumN/A2.137%5.250%
September 201212.00% per annumN/A2.137%5.250%
August 201212.00% per annumN/A2.152%5.250%
July 201212.00% per annumN/A2.132%5.250%
June 201212.00% per annumN/A2.145%5.250%
May 201212.00% per annumN/A2.142%5.250%
April 201212.00% per annumN/A2.132%5.250%
March 201212.00% per annumN/A2.102%5.250%
February 201212.00% per annumN/A2.051%5.250%
January 201212.00% per annumN/A2.051%5.250%
December 201112.00% per annumN/A2.036%5.250%
November 201112.00% per annumN/A2.061%5.250%
October 201112.00% per annumN/A2.071%5.250%
September 201112.00% per annumN/A2.153%5.250%
August 201112.00% per annumN/A2.081%5.250%
July 201112.00% per annumN/A2.107%5.250%
June 201112.00% per annumN/A2.102%5.250%
May 201112.00% per annumN/A2.132%5.250%
April 201112.00% per annumN/A2.158%5.250%
March 201112.00% per annumN/A2.178%5.250%
February 201112.00% per annumN/A2.193%5.250%
January 201112.00% per annumN/A2.188%5.250%
December 201012.00% per annumN/A2.157%5.250%
November 201012.00% per annumN/A2.188%5.250%
October 201012.00% per annumN/A2.183%5.250%
September 201012.00% per annumN/A2.198%5.250%
August 201012.00% per annumN/A2.208%5.250%
July 201012.00% per annumN/A2.223%5.250%
June 201012.00% per annumN/A2.249%5.250%
May 201012.00% per annumN/A2.269%N/A
April 201012.00% per annumN/A2.188%N/A
March 201012.00% per annumN/A2.167%N/A
February 201012.00% per annumN/A2.183%N/A
January 201012.00% per annumN/A2.167%N/A
December 200912.00% per annumN/A2.173%N/A
November 200912.00% per annumN/A2.152%N/A
October 200912.00% per annumN/A2.228%N/A
September 200912.00% per annumN/A2.279%N/A
August 200912.00% per annumN/A2.289%N/A
July 200912.00% per annumN/A2.294%N/A
June 200912.00% per annumN/A2.335%N/A
May 200912.00% per annumN/A2.376%N/A
April 200912.00% per annumN/A2.447%N/A
March 200912.00% per annumN/A2.396%N/A
February 200912.00% per annumN/A2.325%N/A
January 200912.00% per annumN/A2.437%N/A
December 200812.00% per annumN/A3.122%N/A
November 200812.00% per annumN/A3.122%N/A
October 200812.00% per annumN/A3.935%N/A
September 200812.00% per annumN/A3.966%N/A
August 200812.00% per annumN/A4.111%N/A
July 200812.00% per annumN/A3.997%N/A
June 200812.00% per annumN/A3.780%N/A
May 200812.00% per annumN/A3.635%N/A
April 200812.00% per annumN/A3.852%N/A
March 200812.00% per annumN/A4.220%N/A
February 200812.00% per annumN/A5.275%N/A
January 200812.00% per annumN/A5.296%N/A
December 200712.00% per annumN/A5.918%N/A
November 200712.00% per annumN/A6.151%N/A
October 200712.00% per annumN/A6.554%N/A
September 200712.00% per annumN/A6.927%N/A
August 200712.00% per annumN/A7.012%N/A
July 200712.00% per annumN/A6.991%N/A
June 200712.00% per annumN/A7.017%N/A
May 200712.00% per annumN/A7.076%N/A
April 200712.00% per annumN/A7.060%N/A
March 200712.00% per annumN/A7.153%N/A
February 200712.00% per annumN/A7.094%N/A
January 200712.00% per annumN/A7.030%N/A
December 200612.00% per annumN/A7.180%N/A
November 200612.00% per annumN/A7.014%N/A
October 200612.00% per annumN/A7.116%N/A
September 200612.00% per annumN/A7.190%N/A
August 200612.00% per annumN/A7.297%N/A
July 200612.00% per annumN/A7.004%N/A
June 200612.00% per annumN/A6.966%N/A
May 200612.00% per annumN/A6.849%N/A
April 200612.00% per annumN/A6.775%N/A
March 200612.00% per annumN/A6.669%N/A
February 200612.00% per annumN/A6.420%N/A
January 200612.00% per annumN/A6.335%N/A
December 200512.00% per annumN/A6.303%N/A
November 200512.00% per annumN/A6.002%N/A
October 200512.00% per annumN/A5.686%N/A
September 200512.00% per annumN/A5.718%N/A
August 200512.00% per annumN/A5.429%N/A
July 200512.00% per annumN/A5.151%N/A
June 200512.00% per annumN/A5.177%N/A
May 200512.00% per annumN/A5.125%N/A
April 200512.00% per annumN/A5.021%N/A
March 200512.00% per annumN/A4.786%N/A
February 200512.00% per annumN/A4.630%N/A
January 200512.00% per annumN/A4.442%N/A
December 200412.00% per annumN/A4.193%N/A
November 200412.00% per annumN/A4.038%N/A
October 200412.00% per annumN/A3.903%N/A
September 200412.00% per annumN/A3.774%N/A
August 200412.00% per annumN/A3.666%N/A
July 200412.00% per annumN/A3.430%N/A
Prior to July 200412.00% per annumN/AN/AN/A

* An error was discovered in reporting the Historical Judgement Rates to the Office of the Code Reviser from February 2016 through March 2017. These rates have been corrected.

© Washington State Code Reviser's Office