Solar companies and setters calling homeowners in California work under the federal telemarketing rules plus California'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.
California requires some telephone sellers or telemarketers to register or be licensed before calling there. Only telephonic sellers making listed offers; register with Attorney General. Check the exemptions before your floor dials California.
Cal. Bus. & Prof. Code 17511.1, 17511.3California sets its own window: 9 a.m. to 9 p.m. for automatic dialing announcing devices. It covers automatic dialing announcing devices only; live calls follow federal window. Set the dialer to the narrower of the state and federal windows.
Cal. Pub. Util. Code 2872(c)California relies on the National Do Not Call Registry. Legislature adopted California numbers on the national registry.
Cal. Bus. & Prof. Code 17590California has its own law on automated or recorded sales calls. Prerecorded device calls need prior agreement or live consent first. It can be stricter than the federal rules.
Cal. Pub. Util. Code 2873, 2874California requires the consent of all parties to record a call. Recording confidential communications needs consent of all parties. Tell the homeowner the call is recorded before recording.
Cal. Penal Code 632(a)California requires certain telephonic sellers to register with the Attorney General, treats the national Do Not Call Registry as its own list, sets consent and live announcement rules for prerecorded message devices, and requires all party consent to record confidential calls.
Every residential solar contract must open with the Solar Energy System Disclosure Document developed by the Contractors State License Board and the Public Utilities Commission, showing the total cost including financing, complaint information and the right to cancel, and the contract must be in the language of the sales presentation.
Official sourceHome improvement contracts, including solar, carry a 3 business day right to cancel, or 5 business days for buyers 65 or older when the contract is not negotiated at the contractor's place of business, as the Contractors State License Board's solar form describes.
Official sourceCalifornia gives buyers 3 business days to cancel covered home solicitation sales (sales of $25 or more). Buyers 65 or older get 5 business days on contracts entered on or after January 1, 2021. Cal. Civ. Code 1689.6
Checked October 14, 2026. General information, not legal advice.
Federal rules and California's own rules both apply: the National Do Not Call Registry, the calling window, consent rules for automated calls and texts, and any California registration requirement. The California rules page lists each one with its source. General information, not legal advice.
California: 9 a.m. to 9 p.m. for automatic dialing announcing devices. The federal window is 8 a.m. to 9 p.m. at the homeowner's location; use the narrower one.
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