Key Takeaways

  • Washington brokers must disclose material facts known to them that affect property value
  • The agency pamphlet must be provided at first contact, and receipt should be documented
  • Form 17 (Seller Disclosure Statement) is typically required for residential sales
  • Agency disclosure must occur before confidential information is shared
  • Brokers must keep copies of all disclosure forms and agency agreements for 3 years
Last updated: January 2026

Agency Disclosure Requirements in Washington

Washington has specific requirements for when and how agency relationships and material facts must be disclosed.

Required Disclosures

1. Agency Pamphlet

RequirementDetail
Document"The Law of Real Estate Agency" pamphlet
WhenAt first contact
To WhomAll prospective buyers and sellers
DocumentationReceipt should be acknowledged

2. Agency Confirmation

Before services are provided, brokers must confirm:

  • Who they represent
  • The type of agency relationship
  • Compensation arrangements (if applicable)

3. Dual Agency Disclosure

If dual agency will occur:

  • Disclose before dual agency begins
  • Explain limitations
  • Obtain written consent

Material Fact Disclosure

What Must Be Disclosed

Washington requires disclosure of material facts known to the broker:

CategoryExamples
Property conditionStructural defects, water damage, pest infestations
Legal issuesBoundary disputes, easements, liens
EnvironmentalKnown contamination, flood zone
Transaction-relatedKnown issues affecting the deal

What is a "Material Fact"?

A material fact is information that would likely:

  • Affect a reasonable buyer's decision to purchase
  • Affect the price a buyer would pay
  • Affect a seller's decision to sell

Key Rule: If in doubt, disclose. It's better to over-disclose than face liability for non-disclosure.

Form 17 - Seller Disclosure Statement

Washington requires sellers to provide the Form 17 Seller Disclosure Statement for most residential sales.

When Required

Transaction TypeForm 17 Required?
Residential 1-4 unitsYes
Condominium unitsYes
New constructionMay be modified
REO/ForeclosureExemptions may apply
Estate salesExemptions may apply

Form 17 Contents

The Form 17 covers:

SectionTopics
TitleOwnership, liens, encroachments
WaterSource, systems, quality
Sewer/SepticSystem type, condition
StructuralFoundation, roof, walls
SystemsHVAC, electrical, plumbing
EnvironmentalLead paint, contamination
DisclosureKnown defects, HOA

Seller's Options

Sellers can:

  1. Complete Form 17 - Full disclosure (recommended)
  2. Decline to complete - Buyer may rescind within 3 days of offer acceptance

Buyer Remedies

If seller provides incomplete or false disclosure:

  • Buyer may rescind within rescission period
  • Buyer may have legal claims for misrepresentation

Record Retention

Required Records

Brokers must maintain:

  • Agency agreements
  • Disclosure receipts
  • Transaction files
  • All written communications

Retention Period

Document TypeRetention Period
Transaction records3 years minimum
Trust account records3 years
Agency agreements3 years
Disclosure acknowledgments3 years

Washington Disclosure Requirements Summary

Disclosure TypeWhen RequiredTo WhomForm/Method
Agency pamphletFirst contactAll partiesDOL pamphlet
Agency relationshipBefore servicesPrincipal/customerWritten or verbal
Dual agencyBefore acting as dual agentBoth partiesWritten consent
Form 17 (Seller)With listing or before offerBuyerForm 17 document
Material factsAs soon as knownAppropriate partyWritten recommended
Lead-based paintBefore contract (pre-1978)All buyersFederal form
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Washington Disclosure Timeline
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