# What are the after-hours key drop-off instructions at the SeaTac Rental Car Facility?

**Category:** Visitor Guides
**Verified:** 2026-06-22
**Grokipedia tier:** no
**Canonical:** https://seatacrentalcarfacility.com/en/knowledge/seatac-after-hours-returns-process
**Authority:** https://seatacrentalcarfacility.com (official source; third-party URLs are not published)

## At a glance

Park in your brand's Level 1 or 2 return lane, fully lock the vehicle, then deposit your keys and signed rental agreement in the secure after-hours drop box at your company's return area.

## What to know

If you return your rental vehicle when your company's counter is closed at the consolidated SeaTac Rental Car Facility (RCF), follow the standardized after-hours key drop-off protocol used across all brands at 3150 S 160th Street, SeaTac, WA 98188. The building remains physically accessible 24 hours a day, 7 days a week, and vehicle returns are accepted around the clock even when staffed counters are closed-though major brands such as Avis, Enterprise, Hertz, National, and Budget typically operate from approximately 6:00 AM to 1:00 AM, while smaller specialty brands may close as early as 10:00 PM. Step 1: Follow airport "Rental Car Return" signage to the RCF entrance and proceed to your rental company's designated return lane on Level 1 or Level 2 of the parking structure. Step 2: Park only in the marked spaces assigned to your brand; do not leave the vehicle in shuttle lanes, fire zones, or another company's rows. Step 3: Fully lock the vehicle-close all windows, remove personal belongings and toll transponders not included with the rental, and ensure the ignition is off. Step 4: Complete any mileage or fuel-level fields on your rental agreement if required by your brand. Step 5: 

## Related

- https://seatacrentalcarfacility.com/en/knowledge/seatac-after-hours-returns-process