Car Rental in San Diego (United States): A Practical Guide

This guide covers essential local driving rules, airport pickup details, and parking regulations to ensure a smooth rental experience.

Renting a car in San Diego (United States) is the most convenient way to travel across this sprawling coastal city of over 1.4 million residents. Whether you are arriving at San Diego International Airport (SAN) or picking up a vehicle downtown, understanding the local driving ecosystem is crucial. This practical guide provides essential details on navigating the 24/7 Rental Car Center, avoiding unexpected toll road fees on routes like SR 125, and complying with the city's strict parking regulations. You will also find critical information regarding cross-border travel policies into Mexico, age requirements for drivers, and typical rental costs. Use this resource to plan your routes, avoid administrative penalties, and ensure a hassle-free driving experience throughout San Diego and the surrounding Southern California region.

L'essentiel

When arranging a car rental in San Diego, United States, you must prepare for specific local regulations. While California law does not set a minimum rental age, major rental companies typically require drivers to be at least 20 or 21 years old. Renters under 25 should expect a daily underage surcharge of approximately $25.

Toll management requires careful attention. Major rental toll programs, such as National, Alamo, and Enterprise's TollPass Service, do not cover the SR 125 Toll Road (South Bay Expressway) or the I-15 Express Lanes. To avoid administrative fees, you must pay these tolls independently or link the rental car's license plate to your personal California FasTrak account before driving.

Parking rates in San Diego have recently increased:

• Standard Meters: $2.50 per hour (doubled from $1.25 in early 2025).
• Petco Park Special Event Zone: $10.00 per hour within a half-mile radius during events drawing over 10,000 people. This rate is enforced from two hours before the event until four hours after it starts. Note that as of early 2026, a proposed '5-5-5' rate rollback remains under committee review and is not yet enacted.

Price overview and booking timing

Rental prices in San Diego vary based on the season, vehicle class, and how far in advance you book. To secure the best rates, it is highly recommended to book your vehicle several weeks prior to your trip, especially during peak summer months and major convention seasons.

When calculating your total budget, factor in mandatory local fees and optional coverages. If you plan to drive into Mexico, you must account for company-specific rules. Enterprise, for example, strictly prohibits driving their rental cars across the border. Conversely, Hertz permits cross-border travel only if you purchase their specific Mexico Travel Insurance at the rental counter, which provides up to $300,000 in third-party liability coverage.

Additionally, remember to budget for potential toll road costs. Failing to pay tolls on the SR 125 or I-15 independently will result in individual rental agency administrative fees on top of the unpaid toll amount. Drivers under the age of 25 must also add the standard $25 per day underage surcharge to their daily rental estimate.

Where to pick up your vehicle

The primary hub for car hire in San Diego, United States, is San Diego International Airport (SAN). All rental car pick-ups and drop-offs at the airport are consolidated at the unified Rental Car Center (RCC).

Key details for airport pick-up:

• Address: 3355 Admiral Boland Way.
• Access: The terminals are connected to the Rental Car Center by a free, dedicated shuttle service that operates 24 hours a day, 7 days a week.
• Providers: The facility hosts major national and international rental brands, making it easy to compare vehicles and retrieve your keys immediately upon arrival.

For travelers who prefer not to rent a car immediately at the airport, several major agencies maintain satellite offices in downtown San Diego, near major hotels and transit hubs. However, the Rental Car Center offers the largest fleet selection and the convenience of 24/7 operations.

Advice for trips out of the city

A rented car gives you the freedom to explore the diverse landscapes surrounding San Diego. However, out-of-town trips require careful route planning. If you plan to drive south towards the Mexican border, you must verify your rental agency's cross-border policy. Attempting to cross into Mexico with an unauthorized vehicle (such as an Enterprise rental) violates the rental agreement, while doing so with Hertz requires purchasing their dedicated counter insurance.

For trips within California, be mindful of toll routes. The SR 125 Toll Road (South Bay Expressway) is a common route when traveling to the southern parts of the county, but it is excluded from standard rental toll programs. Ensure you pay online or via a pre-registered FasTrak account. If you are heading inland or north along the coast, planning your departure times outside of the morning (7:00 AM – 9:00 AM) and evening (4:00 PM – 6:30 PM) rush hours will save you significant travel time.

Where to go by car

Tolls: motorway estimate (~€0.11/km) — free secondary routes often exist.