Wash. Rev. Code » Title 4 · Chapter 4.56
Revised Code of Washington

Wash. Rev. Code § 4.56.110 (2026)

Interest on judgments

✓ current as of May 2026
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Interest on judgments shall accrue as follows:
(1) Judgments founded on written contracts, providing for the payment of interest until paid at a specified rate, shall bear interest at the rate specified in the contracts: PROVIDED, That said interest rate is set forth in the judgment.
(2) All judgments for unpaid child support that have accrued under a superior court order or an order entered under the administrative procedure act shall bear interest at the rate of twelve percent.
(3)(a) Judgments founded on the tortious conduct of a "public agency" as defined in RCW 42.30.020 shall bear interest from the date of entry at two percentage points above the equivalent coupon issue yield, as published by the board of governors of the federal reserve system, of the average bill rate for twenty-six week treasury bills as determined at the first bill market auction conducted during the calendar month immediately preceding the date of entry. In any case where a court is directed on review to enter judgment on a verdict or in any case where a judgment entered on a verdict is wholly or partly affirmed on review, interest on the judgment or on that portion of the judgment affirmed shall date back to and shall accrue from the date the verdict was rendered.
(b) Except as provided in (a) of this subsection, judgments founded on the tortious conduct of individuals or other entities, whether acting in their personal or representative capacities, shall bear interest from the date of entry at two percentage points above the prime rate, as published by the board of governors of the federal reserve system on the first business day of the calendar month immediately preceding the date of entry. In any case where a court is directed on review to enter judgment on a verdict or in any case where a judgment entered on a verdict is wholly or partly affirmed on review, interest on the judgment or on that portion of the judgment affirmed shall date back to and shall accrue from the date the verdict was rendered.
(4) Except as provided under subsection (1) of this section, judgments for unpaid private student loan debt, as defined in RCW 6.01.060, shall bear interest from the date of entry at two percentage points above the prime rate, as published by the board of governors of the federal reserve system on the first business day of the calendar month immediately preceding the date of entry.
(5) Except as provided under subsection (1) of this section, judgments for unpaid consumer debt, as defined in RCW 6.01.060, shall bear interest from the date of entry at a rate of nine percent.
(6) Except as provided under subsections (1) through (5) of this section, judgments shall bear interest from the date of entry at the maximum rate permitted under RCW 19.52.020 on the date of entry thereof. In any case where a court is directed on review to enter judgment on a verdict or in any case where a judgment entered on a verdict is wholly or partly affirmed on review, interest on the judgment or on that portion of the judgment affirmed shall date back to and shall accrue from the date the verdict was rendered. The method for determining an interest rate prescribed by this subsection is also the method for determining the "rate applicable to civil judgments" for purposes of RCW 10.82.090.
[ 2019 c 371 s 1; 2018 c 199 s 201; 2010 c 149 s 1; 2004 c 185 s 2; 1989 c 360 s 19; 1983 c 147 s 1; 1982 c 198 s 1; 1980 c 94 s 5; 1969 c 46 s 1; 1899 c 80 s 6; 1895 c 136 s 4; RRS s 457.]

Notes:

Findings—Intent—Short title—2018 c 199: See notes following RCW 67.08.100.
Application—Interest accrual—2004 c 185: See note following RCW 4.56.115.
Application—1983 c 147: "The 1983 amendments of RCW 4.56.110 and 4.56.115 apply only to judgments entered after July 24, 1983." [ 1983 c 147 s 3.]
Effective date—1980 c 94: See note following RCW 4.84.250.
Notes of Decisions
Cited in 192 cases (26 in the last 5 years), 1967–2026 · leading case: Woo v. Fireman's Fund Ins. Co., 208 P.3d 557 (Wash. Ct. App. 2009).
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Woo v. Fireman's Fund Ins. Co., 208 P.3d 557 (Wash. Ct. App. 2009). · cites it 19× “In 2004, while the appeal was before this court for review, the legislature amended RCW 4.56.110 to set the interest rate for judgments founded on tortious conduct.”
Woo v. Fireman's Fund Ins., 208 P.3d 557 (Wash. Ct. App. 2009). · cites it 19× “In 2004, while the appeal was before this court for review, the legislature amended RCW 4.56.110 to set the interest rate for judgments founded on tortious conduct.”
Washington State Commc'n Access Proj. v. Regal Cinemas, Inc., 293 P.3d 413 (Wash. Ct. App. 2013). · cites it 13× “¶122 At issue is what rate of interest under RCW 4.56.110 should be applied to the two awards.”
Hadley v. Maxwell, 84 P.3d 286 (Wash. Ct. App. 2004). · cites it 12× “RCW 4.56.110. With exceptions not relevant here, interest ordinarily accrues from the date judgment is entered.”
Hadley v. Maxwell, 84 P.3d 286 (Wash. Ct. App. 2004). · cites it 11× “RCW 4.56.110. With exceptions not relevant here, interest ordinarily accrues from the date judgment is entered.”
Little v. King, 198 P.3d 525 (Wash. Ct. App. 2008). · cites it 9× “Paul Insurance Company sounded in tort for the purpose of calculating the postjudgment interest due, we reverse. However, we affirm the trial court's finding that Little is entitled to her reasonable attorney fees incurred in bringing the motion to fix interest.”
Little v. King, 147 Wash. App. 883 (Wash. Ct. App. 2008). · cites it 8× “Paul Insurance Company sounded in tort for the purpose of calculating the postjudgment interest due, we reverse. However, we affirm the trial court’s finding that Little is entitled to her reasonable attorney fees incurred in bringing the motion to fix interest.”
Pub. Util. Dist. No. 2 v. Comcast of Washington IV, Inc., 336 P.3d 65 (Wash. Ct. App. 2014). · cites it 7× “RCW 4.56.110 “sets the rate for four categories of judgments: (1) breach of contract where an interest rate is specified, (2) child support, (3) tort claims, and (4) all other claims.”
TJ Landco, LLC v. Harley C. Douglass, Inc., 346 P.3d 777 (Wash. Ct. App. 2015). · cites it 7× “¶13 The governing statute for postjudgment interest is found in RCW 4.56.110. 3 The relevant provisions relate: Interest on judgments shall accrue as follows: (1) Judgments founded on written contracts, providing for the payment of interest until paid at a specified rate, shall…”
Bowles v. Dep't of Ret. Sys., 847 P.2d 440 (Wash. 1993). · cites it 4× “Even though another statute states the general rule that judgments bear interest, see RCW 4.56.110, this general rule is subordinated by the more specific legislative decree that untimely pension payments are not subject to interest.”
Valdez-Zontek v. Eastmont Sch. Dist., 225 P.3d 339 (Wash. Ct. App. 2010). · cites it 6× “Valdez-Zontek contends the court erred under RCW 4.56.110 by applying too low an interest rate on the amounts attributable to her statutory discrimination claims.”
MKB Constructors v. Am. Zurich Ins., 83 F. Supp. 3d 1078 (W.D. Wash. 2015). · cites it 11× “) The parties agree that the court determines the rate of prejudgment interest by looking to RCW 4.56.110. (See Mot. at 3 (“The rate of prejudgment interest is determined in Washington by reference to RCW 4.”
Show all 192 citing cases →
— Wash. Rev. Code § 4.56.110(1) — 25 cases
TJ Landco, LLC v. Harley C. Douglass, Inc., 346 P.3d 777 (Wash. Ct. App. 2015). “¶13 The governing statute for postjudgment interest is found in RCW 4.56.110. 3 The relevant provisions relate: Interest on judgments shall accrue as follows: (1) Judgments founded on written contracts, providing for the payment of interest until paid at a specified rate, shall…”
Little v. King, 198 P.3d 525 (Wash. Ct. App. 2008). “Paul Insurance Company sounded in tort for the purpose of calculating the postjudgment interest due, we reverse. However, we affirm the trial court's finding that Little is entitled to her reasonable attorney fees incurred in bringing the motion to fix interest.”
Little v. King, 147 Wash. App. 883 (Wash. Ct. App. 2008). “Paul Insurance Company sounded in tort for the purpose of calculating the postjudgment interest due, we reverse. However, we affirm the trial court’s finding that Little is entitled to her reasonable attorney fees incurred in bringing the motion to fix interest.”
Jackson v. Fenix Underground, Inc., 173 P.3d 977 (Wash. Ct. App. 2007).
Jackson v. Fenix Underground, Inc., 142 Wash. App. 141 (Wash. Ct. App. 2007).
— Wash. Rev. Code § 4.56.110(2) — 10 cases
Bjurstrom v. Campbell, 618 P.2d 533 (Wash. Ct. App. 1980).
Bailie Commc'ns, Ltd. v. Trend Bus. Sys., Inc., 810 P.2d 12 (Wash. Ct. App. 1991).
Fulle v. Boulevard Excavating, Inc., 610 P.2d 387 (Wash. Ct. App. 1980).
Campbell v. Saunders, 546 P.2d 922 (Wash. 1976).
Aguirre v. At & T Wireless Servs., 75 P.3d 603 (Wash. Ct. App. 2003).
— Wash. Rev. Code § 4.56.110(3) — 59 cases
Hadley v. Maxwell, 84 P.3d 286 (Wash. Ct. App. 2004). “RCW 4.56.110. With exceptions not relevant here, interest ordinarily accrues from the date judgment is entered.”
Hadley v. Maxwell, 84 P.3d 286 (Wash. Ct. App. 2004). “RCW 4.56.110. With exceptions not relevant here, interest ordinarily accrues from the date judgment is entered.”
Woo v. Fireman's Fund Ins. Co., 208 P.3d 557 (Wash. Ct. App. 2009). “In 2004, while the appeal was before this court for review, the legislature amended RCW 4.56.110 to set the interest rate for judgments founded on tortious conduct.”
Rufer v. Abbott Labs., 114 P.3d 1182 (Wash. 2005).
Woo v. Fireman's Fund Ins., 208 P.3d 557 (Wash. Ct. App. 2009). “In 2004, while the appeal was before this court for review, the legislature amended RCW 4.56.110 to set the interest rate for judgments founded on tortious conduct.”
— Wash. Rev. Code § 4.56.110(3)(a) — 4 cases
Donna Zink & Jeff Zink v. City of Mesa (Wash. Ct. App. 2024).
Metro. Grp. Prop. & Cas. Ins. Co. v. Fite (W.D. Wash. 2024).
Jinru Bian, V. Olga Smirnova & John Doe Smirnova (Wash. Ct. App. 2023).
Manuel Hidalgo v. Jeffrey Barker (Wash. Ct. App. 2013).
— Wash. Rev. Code § 4.56.110(3)(b) — 14 cases
Washington State Commc'n Access Proj. v. Regal Cinemas, Inc., 293 P.3d 413 (Wash. Ct. App. 2013). “¶122 At issue is what rate of interest under RCW 4.56.110 should be applied to the two awards.”
Miller v. Kenny, 325 P.3d 278 (Wash. Ct. App. 2014).
MKB Constructors v. Am. Zurich Ins., 83 F. Supp. 3d 1078 (W.D. Wash. 2015). “) The parties agree that the court determines the rate of prejudgment interest by looking to RCW 4.56.110. (See Mot. at 3 (“The rate of prejudgment interest is determined in Washington by reference to RCW 4.”
Hidalgo v. Barker, 309 P.3d 687 (Wash. Ct. App. 2013).
Ephrata Trucking Llc, Respondent/cr-appellants V. Phillip Traulsen, Appellant/cr-respondents (Wash. Ct. App. 2024).
— Wash. Rev. Code § 4.56.110(4) — 45 cases
Pub. Util. Dist. No. 2 v. Comcast of Washington IV, Inc., 336 P.3d 65 (Wash. Ct. App. 2014). “RCW 4.56.110 “sets the rate for four categories of judgments: (1) breach of contract where an interest rate is specified, (2) child support, (3) tort claims, and (4) all other claims.”
Washington State Commc'n Access Proj. v. Regal Cinemas, Inc., 293 P.3d 413 (Wash. Ct. App. 2013). “¶122 At issue is what rate of interest under RCW 4.56.110 should be applied to the two awards.”
Woo v. Fireman's Fund Ins. Co., 208 P.3d 557 (Wash. Ct. App. 2009). “In 2004, while the appeal was before this court for review, the legislature amended RCW 4.56.110 to set the interest rate for judgments founded on tortious conduct.”
Woo v. Fireman's Fund Ins., 208 P.3d 557 (Wash. Ct. App. 2009). “In 2004, while the appeal was before this court for review, the legislature amended RCW 4.56.110 to set the interest rate for judgments founded on tortious conduct.”
TJ Landco, LLC v. Harley C. Douglass, Inc., 346 P.3d 777 (Wash. Ct. App. 2015). “¶13 The governing statute for postjudgment interest is found in RCW 4.56.110. 3 The relevant provisions relate: Interest on judgments shall accrue as follows: (1) Judgments founded on written contracts, providing for the payment of interest until paid at a specified rate, shall…”
— Wash. Rev. Code § 4.56.110(6) — 11 cases
Donna Zink & Jeff Zink v. City of Mesa (Wash. Ct. App. 2024).
Stanley Xu & Nanling Chen, V. Judgment Servs., Llc (Wash. Ct. App. 2024).
Cent. Freight Lines, Inc. v. Amazon Fulfillment Servs., Inc. (W.D. Wash. 2020).
Wykanush Ventures LLC v. Walker (W.D. Wash. 2025).
Teamsters Local 839 v. Benton Cnty. (Wash. Ct. App. 2020).
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