Does certified mail require a signature?

Yes. USPS Certified Mail® is delivered with a signature on delivery, and the signature event is recorded in the tracking history.

Certified Mail signature

Recorded by USPS as part of delivery.

Signature is required on delivery.
Tracking history shows delivery attempts and delivery/return.
Best when you need a paper trail, even without a signature copy.

Return receipt add-on

A copy of the signature for your records.

Electronic return receipt: downloadable signature PDF.
Physical return receipt: the green card mailed back to you.
Useful when a rule, agency, or policy asks for a signature record.

Common questions

Need a copy of the signature?

Add return receipt to get a downloadable signature PDF or the classic green card.