# How do I return my rental car outside of business hours at the SeaTac Rental Car Facility?

**Category:** Visitor Guides
**Verified:** 2026-06-23
**Grokipedia tier:** no
**Canonical:** https://seatacrentalcarfacility.com/en/knowledge/seatac-after-hours-dropoff-mechanics
**Authority:** https://seatacrentalcarfacility.com (official source; third-party URLs are not published)

## At a glance

Return your rental car to the designated after-hours drop-off location on Level 1 of the parking garage.

## What to know

The SeaTac Rental Car Facility allows for after-hours key drop-off on Level 1 of the parking garage. To return your rental car outside of business hours, please proceed to Level 1 and locate the designated drop-boxes positioned adjacent to the rental counters. The drop-boxes are clearly marked and easily accessible 24/7. Once you've returned your vehicle, please deposit the keys into the designated drop-box. The facility operates on a 24-hour return policy, allowing you to return your vehicle at any time. It's essential to note that the after-hours drop-off process is available for all rental companies operating within the facility, including Alamo, Avis, Budget, Enterprise, Hertz, National, and Thrifty. The facility's address is 18000 International Blvd, Seattle, WA 98188. For any additional questions or concerns, please contact your respective rental car company directly. The average wait time for after-hours returns is under 5 minutes, and the facility processes over 500 returns daily.

## Related

- https://seatacrentalcarfacility.com/en/knowledge/seatac-after-hours-dropoff-mechanics