Statute of Limitations for Breach of Fiduciary Duty in Washington
6 min read
Published March 22, 2026 • By DocketMath Team
Overview
In Washington, a claim for breach of fiduciary duty typically has a statute of limitations (SOL) of 5 years. The most common way this shows up in practice is that Washington courts apply the state’s general civil limitations period rather than a shorter claim-type-specific deadline.
DocketMath’s statute-of-limitations calculator can help you model that timeline using a few case facts—especially the date of the alleged breach and the date you filed (or plan to file) suit. While this guide focuses on the general rule, timelines can shift when exceptions apply or when a claim is legally treated as having a different accrual date.
Note: Washington’s general SOL for this issue is 5 years, and no claim-type-specific sub-rule was found for breach of fiduciary duty in the provided jurisdiction data. Use the general/default period unless a recognized exception or different accrual theory changes the analysis.
Limitation period
Default rule (general / default)
- General SOL period: 5 years
- Where it comes from: Washington’s general limitations statute for civil actions.
In other words, if the fiduciary duty breach claim is analyzed under the general rule, the clock typically runs from the point when the claim accrues. In many legal contexts, “accrual” ties to when the plaintiff knew (or reasonably should have known) of the facts giving rise to the claim. However, the precise accrual trigger can depend on how the claim is framed and the circumstances surrounding the breach.
Practical timing model (how to think about dates)
To use a 5-year model effectively, you’ll want to identify:
- Alleged breach date (or the date the wrongful conduct occurred)
- Accrual date (often the date the plaintiff discovered, or should have discovered, the breach)
- Filing date (the date the complaint is filed)
A common working approach for SOL planning is:
- If filing date ≤ accrual date + 5 years, the claim likely falls within the default limitations window.
- If filing date > accrual date + 5 years, the claim likely faces a limitations defense under the default rule.
What you can do right now
Use DocketMath to calculate the “5-year window” against your expected filing date. You can also run multiple scenarios if you have competing candidate accrual dates (for example, “discovery” date vs. “conduct” date).
Key exceptions
Even when the general SOL period is 5 years, exceptions and doctrines can extend or affect the running of the clock. This section flags categories that often matter in Washington civil SOL analysis—without assuming any particular outcome for your situation.
1) Accrual and discovery-related timing
Some claims effectively start the SOL clock only when a plaintiff has sufficient information to know a claim exists. If you have evidence showing:
- when harm was apparent,
- when the fiduciary breach was discovered,
- and when key facts could reasonably have been identified,
then using DocketMath with different accrual dates can materially change the result.
2) Tolling (pauses on the clock)
Tolling can pause the SOL for specified reasons. Tolling is fact-dependent, and Washington courts handle it through statutory provisions and equitable doctrines in appropriate circumstances.
Common examples in general civil practice (not a guaranteed match for every fiduciary duty case) include:
- legal disabilities,
- certain conduct by the defendant that prevents timely filing,
- or other statutory tolling mechanisms.
If any tolling theory might apply, you’ll typically need careful alignment between:
- the reason for tolling,
- the relevant dates,
- and the applicable rule.
3) Recharacterization of the underlying claim
Breach of fiduciary duty claims can sometimes be pleaded alongside other theories (for example, fraud-based theories, statutory claims, or contract-related issues). When a claim is treated as grounded in a different cause of action, the SOL analysis may change.
Warning: Don’t assume “breach of fiduciary duty” automatically means the general 5-year rule applies unchanged. Courts may evaluate the substance of the allegations, the remedy sought, and how the claim is categorized for limitations purposes.
4) Litigation timing (what counts as “filed”)
SOL calculations hinge on the “filing date” that applies in your procedural posture (e.g., complaint filing). Administrative steps, internal demand letters, or settlement negotiations usually don’t stop the clock unless a specific tolling rule applies.
If you’re close to the deadline, building in buffers and confirming key dates (including when filings are actually accepted) is often crucial.
Statute citation
Washington’s general SOL period referenced here is:
- RCW 9A.04.080 — 5-year general statute of limitations period.
Under the jurisdiction data provided for this topic, no claim-type-specific sub-rule was found for breach of fiduciary duty; therefore, the 5-year general/default period is the baseline timeline used for this calculator workflow.
Use the calculator
DocketMath’s statute-of-limitations calculator is designed to convert your key dates into a clear pass/fail style timeline against the 5-year default period.
Inputs to prepare
Before you click through, collect:
- Accrual date (recommended, when you can identify a plausible discovery point)
- Filing date (or target filing date)
- If you’re unsure of accrual: alternative candidate accrual dates (e.g., “discovery date” and “breach occurrence date”)
How outputs change when inputs change
Run different scenarios to see how sensitive the result is:
- If you move the accrual date later (e.g., from “breach date” to “discovery date”), the deadline moves later by the same amount.
- If you move the filing date earlier, the risk of missing the SOL drops.
- If you test multiple accrual candidates, you can identify which fact pattern creates a safer window—useful for case strategy and settlement discussions.
Suggested checklist
Use this when you calculate:
To get started, use the tool here: /tools/statute-of-limitations .
Sources and references
Start with the primary authority for Washington and confirm the effective date before relying on any output. If the rule has been amended, update the inputs and rerun the calculation.
Related reading
- Choosing the right statute of limitations tool for Vermont — Tool comparison
- Choosing the right statute of limitations tool for Connecticut — Tool comparison
