Washington’s ESSB 5814 made sales of advertising services retail sales subject to retailing business and occupation (B&O) tax and retail sales tax starting October 1, 2025. The law reaches more than the purchase of ad space: the Department of Revenue (DOR) describes covered services as including ad design, placement, campaign planning, lead generation, and internet advertising-space acquisition. Which tax applies can depend on the service, its exclusions, where the purchaser receives it, and whether an exemption applies.
The “compliance chaos” phrase comes from Bellevue Chamber CEO Joe Fain in GeekWire’s October 1, 2025, report—not from the statute or DOR. The practical challenge is that businesses must classify transactions and, for ads shown in multiple places, determine where the service is received and how to allocate it.
What changed under ESSB 5814—and when?
Washington’s DOR says ESSB 5814, Laws of 2025, Chapter 422, classified the sale of advertising services as a retail sale subject to retailing B&O tax and retail sales tax, effective October 1, 2025. The law also changed the tax treatment of several other services, but those provisions are separate from the advertising rule. DOR’s 2025 tax legislation summary provides the broader list.
DOR’s current services newly subject to retail sales tax overview says sellers of listed services must collect and remit retail sales tax, subject to applicable exclusions and exemptions. That page identifies changes effective July 1, 2026, so the original October 2025 summary should not be treated as the complete rule for later transactions.
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Which advertising services are covered?
DOR’s summary describes advertising services broadly, including work related to creating and delivering advertising—not only buying media space. Its examples include:
- Designing advertisements.
- Placing advertisements.
- Planning advertising campaigns.
- Generating leads.
- Acquiring advertising space on the internet.
The detailed rules and definitions appear in DOR’s September 17, 2025 interim guidance statement regarding advertising services. The guidance is intended for reliance while permanent guidance is developed. Whether a particular contract is covered depends on its facts and the statutory definition; the label “digital advertising” alone does not settle the tax treatment.
What is excluded?
DOR’s current summary lists exclusions that include web hosting, domain registration, certain newspaper and in-print advertising, radio and television ads, fixed signage, and out-of-home advertising. These are categories to check against the detailed definitions, not a general exemption for all services delivered through a particular medium. For example, a campaign that combines creative work, internet placement, and other services may require those components to be analyzed under the applicable rules.
How does Washington source tax on advertising services?
DOR describes retail sales tax as destination-based: the relevant location is generally where the purchaser receives the service. Its interim guidance gives this sequence for identifying that location:
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- If the purchaser receives the service at the seller’s business location, use that location.
- Otherwise, use the known location where the purchaser receives the service.
- If that location is unknown, use the purchaser’s address in the seller’s records.
- If the seller has no address in its records, use an address obtained from the purchaser at the time of sale.
- If no address is obtained, use the place where the seller provided the service.
For disseminated advertising—including creative services provided with dissemination—DOR generally identifies receipt with where the advertising is disseminated and first used. Potential evidence includes placement instructions, actual placement locations, viewer IP addresses, and similar information. The exact sourcing result depends on the service and available facts; DOR says its examples are general and other situations turn on their own facts and circumstances.
When an ad reaches multiple locations
If the purchaser receives an advertising service at known multiple locations, DOR describes allocation according to the amount of service received at each location or an equal allocation. The seller and purchaser may also agree on a reasonable, consistently applied allocation method. If locations cannot be determined after due diligence, the interim guidance describes estimating a reasonable allocation using internet-usage statistics or other information that reflects where ads are viewed; a pool code may be used to apportion Washington’s share.
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DOR’s interim statement says it presumes due diligence for reporting periods ending December 31, 2025. That statement is specific to the interim guidance and period it names; businesses should check the current guidance before relying on it for other reporting periods.
Does the tax apply to Google or social media ads?
The official materials summarized here do not establish a blanket answer for every purchase from Google, a social-media platform, or another advertising provider. Internet ad-space acquisition is among DOR’s examples of advertising services, but the treatment of a specific transaction still depends on what was sold, whether an exclusion or exemption applies, where the purchaser receives the service, and the applicable rules for the transaction date. A platform’s identity or an invoice’s use of the word “advertising” is not enough, by itself, to resolve those questions.
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GeekWire reported that Bellevue Chamber CEO Joe Fain warned, “Expect compliance chaos for the next year.” The report attributed concerns about uncertainty and distraction to business and tax-industry voices; those remarks are reported reactions, not DOR determinations. The underlying compliance work can be demanding because a seller may need to distinguish covered advertising services from excluded services, establish the purchaser’s receipt location, allocate multi-location campaigns, and retain records supporting tax treatment.
GeekWire also reported projected revenue figures: about $1.1 billion over the 2025–27 biennium for the law, and roughly $475 million over four fiscal years associated with the advertising provision, based on DOR projections as reported in the October 1, 2025 article. These are projections, not realized collections, and should not be read as estimates of any individual business’s tax liability.
What should businesses review?
For a transaction-specific assessment, sellers and purchasers can use these questions to identify what needs to be checked in the official guidance or with a Washington tax professional:
- What was sold? Separate advertising design, planning, placement, lead generation, and internet ad-space acquisition from services that may fall within an exclusion.
- Where was the advertising disseminated and first used? Review placement instructions and location data, including viewer information when available.
- Did the service reach multiple locations? Determine whether those locations are known and what reasonable, consistently applied allocation method is supported.
- Is the purchase direct, for resale, or potentially exempt? DOR’s interim guidance discusses resale, direct-pay permits, nonprofit and government purchasers, affiliated groups, and other issues; apply the relevant requirements rather than assuming an exemption.
- What records support the result? DOR says records should support the tax amount, sourcing, and any claimed exclusion or exemption.
- Which version of the guidance applies? Check DOR’s current summary and detailed materials for changes relevant to the transaction date, including the July 1, 2026 changes identified on its overview page.
What remains uncertain?
DOR’s current services overview says the department is involved in ongoing legal proceedings concerning the new service classifications and related changes. The materials cited here do not establish the current procedural posture or outcome of a specific challenge to the advertising provision; they do not support a claim that a court has blocked, upheld, or invalidated it. Businesses should consult DOR’s live guidance for current administrative information and obtain professional advice for their own facts.
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