SpotHero Help Center U.S. Parking Guides

Park with a plan, not with luck.

Parking answers that save your spot. We explain how U.S. parking reservations work — search, entry, cancellation, garage access, overnight stays and monthly permits — using published policies from real operators as examples.

Read the reservations guide Check cancellation rules

Access Garage entry hours and re-entry Overnight Where a car may stay past midnight Monthly Permits, billing and how to stop them Airport Amendments before the cutoff

Orientation

Parking answers that save your spot

This help center explains how parking reservations work in the United States, from search and entry to cancellations, garage access, overnight stays, and monthly permits. The rules change by garage, city, and operator, so we focus on the patterns that matter: deadlines, access windows, and what your reservation actually holds. Use the guides below to check a policy before you book, before you arrive, and before you leave a car overnight.

Booking today? Start with the reservations guide Search, entry method, arrival window, and what a reservation actually holds. Open the guide Plans changed? Go straight to cancellations Operator-specific windows, refunds, and the fees that sit outside them. Check cancellation rules

Drivers heading to the airport, parking overnight, or paying monthly will find separate guides that cover those cases in detail. Each page names the exact deadline or limit to check — that saves time when you are already near the garage.

A reservation holds this much

Permission to park for a set window — not always a marked stall.

You pick a facility, date, and entry and exit time, then follow the entry instructions on your confirmation. Some garages scan a code, others use a license plate or an attendant list. Keep that confirmation accessible until you exit — and if the details are wrong, amend before the cutoff.

A driver reading entry instructions at the gate arm of a bright modern parking garage

Entry & confirmation

How reservations actually work

A reservation holds permission to park for a set window, not always a marked stall. You choose a facility, a date, and an entry and exit time — then you follow the entry instructions printed on your confirmation.

The method varies: some garages scan a code from your phone, others read a license plate or check an attendant list at the booth. What stays the same is that your confirmation is the document that proves the booking. Keep it open or saved until your car is out of the garage — and if the plate, the time or the vehicle details are wrong, amend before the operator's cutoff rather than at the gate.

Read your confirmation for

Which entry lane or gate the reservation is attached to
How the operator identifies you: code, plate, or attendant list
The exact entry and exit window for your booking
Whether amendments are allowed, and until when

Cancellations & refunds

Cancellation windows vary by operator

There is no single national cancellation rule. A window that returns your parking charge at one garage may be a fee at another, and the number is printed on your own booking rather than on a national standard.

Check the window printed on your confirmation. That line, not a general rule of thumb, is the one an operator will apply.

Sky Harbor airport parking

Changes and cancellations up to one hour before entry

That applies to most products. The $2 booking fee is charged per reservation and stays non-refundable, even when the reservation is canceled on time.

Little Man Parking

Cancel up to 3 hours before arrival for a full refund

Handled through the My Bookings workflow. Cancellations inside that three-hour window may incur a fee depending on the garage's own policy.

BART Monthly Reserved

Pro-rated refund within 72 business hours

Monthly Reserved parking is charged on the 15th of each month for the following month — so the billing date and the cancellation date are two different things.

Booking fees are often separate

A booking fee pays for processing the reservation, not for the parking time itself. At Phoenix Sky Harbor, the $2 booking fee is charged per reservation and is non-refundable even when the reservation is canceled on time. Other operators handle fees differently, and the garage policy can add conditions on top.

Read the fee line before you assume a cancellation means a full return. A canceled stay with a refunded parking charge and a retained processing fee is normal, and it is not a mistake on your confirmation — the cancellations page walks through the distinction line by line.

Check cancellation rules

A stairwell landing inside a municipal parking garage with yellow safety striping on the concrete

Garage access

Access is not 24-hour everywhere

Access hours, entry methods, and in and out privileges differ by facility. U.S. DOT TRANServe materials describe off-hour parking windows for weekdays and weekends, and note that off-hour parking does not require permits in that federal garage setting. Municipal garages in New York run their own monthly reservation system and access rules.

Your confirmation should list hours and whether re-entry is allowed. Do not assume you can come and go freely — the sign on the level you parked on is the one enforcement uses.

Read the garage access guide

Overnight

Can you stay overnight?

Overnight parking is the most misunderstood topic in city parking. New York City DOT states that municipal parking fields do not allow overnight parking, and TRANServe guidance says no vehicles should remain overnight without prior approval.

BART is different: Single and Multi-day parking is the only BART option that permits leaving a vehicle continuously, including overnights, for up to 20 paid weekdays. Check the overnight line for your exact garage before you commit a car to it.

Read the overnight rules

A single car parked overnight in a municipal parking field lit by one pole light

Monthly parking

A permit, not a stall with your name on it

Monthly parking usually buys access during the month, not one painted space reserved for you. The City of Madison says a monthly permit reserves a space even if the facility is marked full — but there are no assigned stalls, and permit holders may park in any legal stall.

BART charges Monthly Reserved parking on the 15th of each month for the following month. Know what renews, when it bills, and how to stop it before the next cycle starts. The monthly guide walks through each step in order.

Open the monthly guide

What a permit usually covers

Access Entry to the facility during the permit month, even when the lot display reads full.
Stall No assigned space. Permit holders park in any stall that is legal to use on that level.
Billing Charged on a fixed date each month — BART bills Monthly Reserved on the 15th for the month that follows.
Rules A permit does not override fire lanes, accessible bays, height clearances or posted closures.

Airport parking

Airport parking rewards early checks

Airport reservations combine flexibility with hard deadlines. Phoenix Sky Harbor allows amendments up to one hour before entry for most products, which helps when flights shift. Cancellation is also allowed up to one hour before entry, though the $2 booking fee stays non-refundable.

Take a screenshot of the entry instructions and the lot location before you drive. Arrive with enough margin to find the correct entrance — at an airport, the wrong lane can cost you more than the extra twenty minutes you thought you were saving.

Read the airport parking guide

Transit & municipal

City systems use release windows

Public systems often release spaces on a fixed schedule. NYC DOT states that reservations are first-come, first-served for upcoming-month parking, with the window opening five days before the first of the month at 10 a.m.

That timing matters because popular municipal garages fill quickly. Set a reminder for the release time, and have your vehicle details and payment method ready before the window opens. Waiting until that evening usually means waiting a month.

The window opens five days before the first of the month, at 10 a.m. Put it in your calendar with an alarm, not a note.

Read the transit and municipal guide

A short checklist

Experienced drivers check four lines

Frequent parkers look past the price and read four lines before they pay. That habit avoids most beginner mistakes, like booking a field lot for an overnight trip or assuming in and out access.

Entry method
Code, license plate, or attendant list — the one your confirmation names is the one to use.
Access hours
Open hours and re-entry privileges, which are not the same thing as the hours you paid for.
Cancellation window
The deadline printed on your booking, and whether it returns the fee as well as the charge.
Overnight permission
Explicit yes or no. Silence on the page is not permission, and it is not a defence at the gate.

Comparing a daily booking with a multi-day product is easier once those four lines sit side by side. Two minutes of reading before you pay beats a tow or a missed flight.

A parking enforcement officer checking a handheld device beside a parked car downtown

Overstays & posted rules

What happens if you overstay

Staying past the allowed time can trigger extra charges, loss of a discount, or enforcement action depending on the operator. Airport and transit facilities are especially strict about continuous-stay limits.

If you realize you will be late, contact the facility or amend the booking if the window is still open. Do not leave the car hoping no one notices — the cost of an extra day is usually less than a violation.

Permit holders still follow posted rules

Holding a monthly or reserved permit does not override fire lanes, accessible spaces, height limits, or posted closures. Madison makes clear that permit holders use any legal stall, which means illegal parking is still enforceable. BART separates Daily, Monthly Reserved, and Single and Multi-day rules for a reason. Read the signs on your level — and when in doubt, ask the attendant.

An empty rooftop parking deck at blue hour with a city skyline on the horizon

Getting started

Five minutes of reading before you pay.

Search by address or airport, compare facilities by access rules rather than distance alone, then open the full policy before checkout. Confirm vehicle details, the entry window, and whether amendments are allowed. Save the confirmation and the support contact for the garage. If anything looks unclear, message support before arrival — our contact page explains what to include.

Contact support About this resource

Parking FAQ

Questions drivers ask most

Short answers to the four things visitors ask before they book, cancel, or leave a car overnight. Each one points at the guide that covers the full policy.

Can I leave my car overnight in this garage?

Only if the facility page and your confirmation allow overnight stays. Many municipal fields prohibit overnights, some federal garages require prior approval, and transit systems like BART allow continuous stays only on specific products. Check the overnight line for your exact garage.

How far in advance can I cancel a parking reservation?

It depends on the operator. Examples in our guides include one hour before entry at Sky Harbor for most products, and 3 hours before arrival for a full refund at Little Man Parking. Check your confirmation for the exact window, because the printed one is the one that applies.

Is there a refund if I cancel before arrival?

Often yes for the parking charge, but fees may be treated separately. Sky Harbor's $2 booking fee is non-refundable even with an on-time cancellation. BART Monthly Reserved cancellations receive a pro-rated refund within 72 business hours.

Are monthly permits assigned to a specific stall?

Usually not. Madison states there are no assigned stalls and permit holders may park in any legal stall, while the permit still reserves access even when the facility shows full. Assume you are buying access, not a painted space with a number on it.

Still unsure about your own booking? Reach us through the Contact Support page, or read the About Our Help Center page to see how this resource is maintained.

About this resource

Written for U.S. drivers, from published policies

SpotHero Help Center at spot-hero.cc is an educational site maintained for U.S. drivers. We write plain explanations of reservations, cancellations, garage access, overnight rules, and monthly parking, using real published policies as examples.

We do not operate garages or issue citations. For reservation, access, or billing questions about your own booking, reach us through the contact page — include the facility, the date, and the confirmation reference so the answer can be specific.

Support & this resource

Email: [email protected]
Phone: +1 (844) 324-7768
Hours: Monday to Friday, 9:00 AM – 6:00 PM
Office: 125 S. Clark St., Suite 1300
Chicago, IL 60603, United States

Contact support About Our Help Center

Educational resource only. Policies quoted here are examples from published operator guidance and can change — always confirm the terms printed on your own confirmation before you rely on a deadline. Continue with the Parking Reservations Guide or the Privacy Policy.