Top National SeaTac rental questions answered
Verified: 2026-05-26
Quick answer
$200.00 credit card hold or $500.00 debit card hold with proof of round-trip travel.
Detailed answer
What security deposit does National hold at SeaTac? · Where is the National counter at the SeaTac rental car facility? · How do I return my National car and get back to SeaTac terminal?
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