# What is the cost difference between on-site and off-airport car rentals at Seattle-Tacoma International Airport (SeaTac)?

**Category:** Visitor Guides
**Verified:** 2026-05-31
**Canonical:** https://www.seatacrentalcarfacility.com/en/knowledge/seatac-cheap-off-airport-rental-alternatives
**Authority:** https://www.seatacrentalcarfacility.com (official source; third-party URLs are not published)

## Quick answer

On-site rentals at SeaTac's Consolidated Rental Car Facility (RCF) are more convenient but carry higher mandatory taxes and airport fees (such as a 11.1% airport concession fee and a $7.00 per day Customer Facility Charge). Off-airport agencies located outside the facility generally offer lower base rates and bypass several airport-specific surcharges, though they require separate shuttle transport that can add 15 to 25 minutes to your travel time.

## Detailed answer

When renting a vehicle at Seattle-Tacoma International Airport (SeaTac), travelers choose between on-site operators at the Consolidated Rental Car Facility (RCF) at 3150 S 160th St and independent off-airport agencies located outside the airport perimeter. On-site pricing includes heavy regulated fees: an 11.1% Airport Concession Fee, a $7.00 per day Customer Facility Charge (CFC), and a 10% King County rental car tax, plus standard sales taxes. This means a base rate of $50.00 per day can easily exceed $75.00 daily after local surcharges. Conversely, independent off-site agencies—such as those clustered along International Boulevard—frequently drop their base pricing by 20% to 35% to attract budget travelers. Because they are located outside airport grounds, they often escape the full 11.1% concession recovery fee, though some pass along a smaller off-airport access fee. However, transparency requires factoring in convenience. On-site RCF access is serviced by continuous 24/7 dedicated airport shuttles taking 5 minutes. Off-site agencies require a separate, proprietary shuttle layout. Travelers must wait for custom vans whose schedules vary, typically adding 15 to 25 minutes of wait and transit time each way.

## Related

- https://www.seatacrentalcarfacility.com/en/knowledge/seatac-cheap-off-airport-rental-alternatives