Solar companies and setters calling homeowners in Washington work under the federal telemarketing rules plus Washington's own. Here is what each one means for a solar appointment floor, with the official source for every rule.
From official sources, checked September 26, 2026. General information, not legal advice.
Washington requires some telephone sellers or telemarketers to register or be licensed before calling there. Register with the Department of Licensing before doing business. Check the exemptions before your floor dials Washington.
RCW 19.158.050Washington sets its own window: 8 a.m. to 8 p.m. It covers telephone solicitations; business to business contacts are excluded. Set the dialer to the narrower of the state and federal windows.
RCW 80.36.390(8)Washington relies on the National Do Not Call Registry. State law bars solicitations to numbers on the federal registry.
RCW 80.36.390(9)Washington has its own law on automated or recorded sales calls. Automatic dialing and announcing devices banned for commercial solicitation. It can be stricter than the federal rules.
RCW 80.36.400Washington requires the consent of all parties to record a call. All participants must consent; a recorded announcement counts. Tell the homeowner the call is recorded before recording.
RCW 9.73.030Washington limits telephone solicitations to 8 a.m. to 8 p.m. local time, bars solicitations to numbers on the federal do not call registry, bans automatic dialing and announcing devices for commercial solicitation, and requires commercial telephone solicitors to register.
Federal rules and Washington's own rules both apply: the National Do Not Call Registry, the calling window, consent rules for automated calls and texts, and any Washington registration requirement. The Washington rules page lists each one with its source. General information, not legal advice.
Washington: 8 a.m. to 8 p.m. The federal window is 8 a.m. to 9 p.m. at the homeowner's location; use the narrower one.
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