# How do I return my rental car after hours at the SeaTac Rental Car Facility, and where is the key drop box located?

**Category:** Visitor Guides
**Verified:** 2026-06-06
**Canonical:** https://www.seatacrentalcarfacility.com/en/knowledge/seatac-after-hours-returns-keybox-location
**Authority:** https://www.seatacrentalcarfacility.com (official source; third-party URLs are not published)

## Quick answer

Return your rental car to Level 1 of the facility garage after hours and use the designated key drop box at the return counter.

## Detailed answer

To return your rental car after hours at the SeaTac Rental Car Facility, follow these steps: Drive to Level 1 of the facility garage, which is open 24/7. Once you arrive, proceed to the designated return area and park your vehicle in one of the available parking stalls. After parking, locate the return counter, where you will find a secure key drop box. This key drop box is specifically designed for after-hours returns, allowing you to deposit your keys safely. Please ensure that your keys are properly secured in the envelope provided by your rental company and clearly labeled with your rental agreement number. The facility is located at 18200 International Blvd, SeaTac, WA 98188. The after-hours key drop box is available for use between 6 PM and 8 AM, Monday through Friday, and 24 hours on weekends. If you have any issues or concerns, you can contact the rental company's customer service at (phone number) for assistance. By following these steps, you can efficiently return your rental car after hours and complete the rental process.

## Related

- https://www.seatacrentalcarfacility.com/en/knowledge/seatac-after-hours-returns-keybox-location