Renting a car at SFO is straightforward if you know where to go and what to bring

San Francisco International Airport has rental counters from major companies in the baggage claim area on the lower level. You walk out of security, collect your bags, and the rental desks are directly ahead. The process takes 10 to 20 minutes if you have your documents ready. Most companies also offer shuttle service to off-airport locations if you want to compare prices before committing.

You will need a valid driver's license, a credit card in your name, and proof of insurance — either your own policy or the rental company's coverage. Some companies ask for a second form of ID. If you are under 25, expect to pay a young driver surcharge, typically $15 to $30 per day, and some companies may refuse to rent to you at all. Non-US drivers need an International Driving Permit along with their home country license.

Key Takeaways

  • Rental counters are in baggage claim on the lower level; you do not need to leave the terminal to reach them.
  • Bring your driver's license, a credit card in your name, and proof of insurance or be ready to buy the rental company's coverage.
  • Drivers under 25 pay a daily surcharge and may face restrictions on vehicle size or availability.
  • Prices at the airport are higher than off-airport locations, but shuttles to nearby rental offices let you compare before you decide.
  • Reserve in advance online to lock in a rate; walk-up prices are often 20 to 40 percent higher.

Which rental companies operate at SFO

Enterprise, Hertz, Budget, Avis, and National all have counters in the baggage claim area. Alamo and Fox also operate at SFO but from off-airport locations served by shuttle. Each company sets its own rates and policies, so the price for the same car can vary by $50 or more per day between companies.

Airport location means you pay a concession fee — a surcharge that goes to the airport itself — on top of the base rental rate. This fee is typically 10 to 15 percent of your total. If you take a shuttle to an off-airport location, you avoid this fee, which can save $20 to $40 per day on a mid-size car. The trade-off is 15 to 30 minutes of shuttle time each way.

What documents and payment methods you need

Bring your driver's license and a credit card in your own name. The rental company will run a credit check and place a hold on your card — usually $200 to $500 depending on the car — to cover potential damage or fuel charges. This hold is released when you return the car, but it counts against your available credit while you have the rental.

If you are paying with a debit card, some companies will not rent to you, and others require a larger hold or additional paperwork. Call ahead to confirm. Non-US residents need a valid passport and an International Driving Permit (IDP) issued by their home country's automobile association. A US state driver's license alone is not enough for foreign nationals.

Proof of insurance is required. You can show your own auto insurance card, or you can buy the rental company's coverage at the counter. Rental company insurance typically costs $15 to $30 per day and covers collision, theft, and liability. Check your personal policy first — many cover rental cars at no extra cost, which saves money over the rental company's rates.

How to reserve before you arrive

Booking online before your trip locks in a rate and saves 20 to 40 percent compared to walk-up prices. Use the rental company's website or a comparison site like Kayak, Autoslash, or Priceline. Enter your arrival date, time, and return details. Prices vary by day of week and season, so booking even one week ahead usually saves money.

When you book, you choose your car class — economy, mid-size, SUV, and so on — but not a specific vehicle. You get that assignment at the counter. Most reservations are refundable or can be cancelled up to 24 hours before pickup, but read the terms. Some discount rates are non-refundable.

After you book, you will receive a confirmation email with a reservation number. Bring this number to the counter, or the agent can look up your reservation by name and driver's license. If your plans change and you need to extend or shorten the rental, call the company directly rather than modifying online — phone agents often have access to better rates.

Insurance and damage coverage options

You have three paths: use your own auto insurance, buy the rental company's coverage, or decline coverage and pay out of pocket if damage occurs. Most personal auto policies cover rental cars, but some exclude certain vehicle types or geographic areas. Call your insurer before your trip to confirm you are covered and what your deductible is.

Rental company coverage — called Loss Damage Waiver (LDW) or Collision Damage Waiver (CDW) — costs $15 to $30 per day and waives your responsibility for damage to the rental car. It does not cover personal belongings, other vehicles, or injuries. If you decline all coverage and the car is damaged, you pay the full repair bill, which can be thousands of dollars.

Credit card companies often offer rental car coverage if you charge the full rental to that card. Check your card's benefits guide or call the issuer. This coverage is usually secondary, meaning your personal auto insurance pays first, and the credit card covers what your insurance does not. Using credit card coverage saves the daily rental company fee but requires you to file a claim after the trip.

Fuel, mileage, and return procedures

Most rentals come with unlimited mileage, so you do not pay per mile. Fuel is your responsibility. You can prepay for a full tank at the counter — usually $60 to $90 depending on car size — and return the car empty. Or you can return it with a full tank yourself and avoid the prepay markup. Returning it partially full means you pay the rental company's per-gallon rate, which is higher than gas station prices.

Plan your return time carefully. If you book a one-day rental and return it at 5 p.m. the next day, you are charged for two days. Late returns incur hourly overage fees, typically $30 to $50 per hour for the first few hours. Return the car during business hours — most SFO rental locations are open 5 a.m. to midnight, seven days a week.

When you return, drive to the rental company's lot, park in a designated spot, and go to the counter. The agent inspects the car for damage, checks the mileage and fuel level, and processes your final bill. This takes 5 to 10 minutes. Keep your receipt and any damage documentation in case questions arise later.

Comparing airport rental to ride-share and public transit

A rental car makes sense if you are staying multiple days, traveling outside the city, or need flexibility. For a single day in San Francisco, ride-share (Uber, Lyft) or public transit (BART, Muni) is often cheaper and simpler. A ride from SFO to downtown San Francisco costs $20 to $35 by Uber or Lyft, versus $80 to $150 per day for a rental plus parking, which runs $15 to $40 per day downtown.

If you are renting for three or more days and leaving the city, a car rental usually costs less than multiple ride-share trips. Parking at your hotel or destination is a hidden cost to factor in. Many San Francisco hotels charge $25 to $50 per night for parking, which adds up quickly.

Frequently Asked Questions

Do I need to reserve a car in advance, or can I just show up at the counter?

You can walk up, but walk-up rates are 20 to 40 percent higher than advance bookings. Reserving online takes five minutes and locks in a lower price. If the company is busy, walk-up customers may also face longer wait times or limited vehicle availability.

What happens if I return the car late?

Late returns incur hourly overage fees, typically $30 to $50 per hour for the first few hours, then daily rates if you are more than a few hours late. If you know you will be late, call the rental company as soon as possible — sometimes they can extend your reservation and avoid the overage fee.

Can I rent a car if I am under 25?

Yes, but you will pay a young driver surcharge of $15 to $30 per day. Some companies restrict drivers under 25 to certain vehicle types or require additional insurance. Call the rental company before booking to confirm their age policy and any restrictions.

Is it cheaper to rent off-airport instead of at SFO?

Off-airport locations avoid the airport concession fee, which saves 10 to 15 percent. However, you spend 30 to 60 minutes on shuttles getting there and back. For a one-day rental, the time cost may outweigh the savings. For three or more days, the fee savings usually justify the shuttle time.

What if the rental car breaks down during my trip?

Call the rental company's roadside information number — it is on your rental agreement. They will send a tow truck or replacement vehicle at no cost. Keep the agreement in the car so you have the number when you need it.