Yes, most green cards expire after 10 years and must be renewed with Form I-90.

Permanent resident status doesn’t expire, but the card is the proof and needs to be valid.

Conditional green cards (from marriage under 2 years) expire in 2 years and require a separate process to remove conditions.

Yes — most green cards expire every 10 years, and holders must file a Form I-90 to renew them.