US call recording laws: one-party vs all-party consent, state by state
Under US federal law and in most states, you may record a call you're part of — that's one-party consent, and you are the one party. Around a dozen states require everyone on the call to consent. Because you often can't be sure where the other person is, the safest habit is simple: say the call is being recorded.
The two consent regimes
Only one participant needs to know about the recording — and if you're recording your own call, that's you. This is the federal baseline and the rule in most states, including New York, Texas, and Ohio.
Every participant must consent to being recorded. Consent can often be implied — staying on the line after a clear "this call may be recorded" announcement is the standard mechanism.
The federal Wiretap Act sets the one-party floor; states are free to demand more, and a substantial minority do. Penalties in strict states can include both criminal exposure and civil damages, so this is worth getting right.
States commonly treated as all-party consent
Roughly a dozen states require all parties' consent for phone calls. Several have nuances worth noting.
| State | Notes |
|---|---|
| California | Strictest and most litigated; applies to "confidential communications." |
| Florida | All-party for private conversations. |
| Illinois | All-party under its eavesdropping statute. |
| Maryland · Massachusetts | All-party; Massachusetts bars "secret" recording outright. |
| Montana · New Hampshire · Pennsylvania · Washington | All-party consent states; Montana requires notification. |
| Delaware · Connecticut | Treated as all-party in practice; statutes differ between civil and criminal contexts. |
| Michigan · Nevada · Oregon | Nuanced: Michigan's statute is participant-friendly but courts differ; Nevada case law treats calls as all-party; Oregon distinguishes phone from in-person. |
Calls across state lines
When callers are in different states, which law applies is genuinely unsettled — courts have applied the recorder's state, the other party's state, or the strictest involved. You usually can't verify where a mobile number physically is, so the practical rule professionals adopt: behave as if the strictest state applies to every call. One sentence of disclosure at the start of the call resolves the question entirely.
A simple compliance habit
Common questions
In most all-party states, continuing the call after a clear recording announcement is treated as implied consent — it's exactly how customer-service lines handle it.
Lawfully made recordings can often be used as evidence; unlawfully made ones generally can't — and may create liability for the recorder. Another reason to record with consent from the start.
Yes — consent rules apply regardless of whether the call is personal or professional. Businesses typically standardize on always-disclose, which is the pattern Callmark's disclosure setting automates.
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