YES, the Post Office Square Garage is wonderful. It's a flat rate of $9.00 after 4 PM. You can't beat it with a stick

. It's clean, safe, well lit at night and quite convenient:
Garage At Post Office Square
The Boston Common Garage got bought by these other people, it's kind of creeping up a little because of the location, yet it's still not a bad deal. Here's their rates:
Weekdays: Enter between 6 AM - 4 PM
Up to 1 hr: $8
Up to 2 hrs: $12
Up to 3 hrs: $16
Up to 10 hrs: $22
24-hour maximum charge: $27
Evening Rate: Enter between 4 PM - 6 AM AND exit by 8 AM
Pay just $11 when you enter the Garage after 4 PM and exit before 8 AM.
Weekend Rate:
Enter after 6 AM on Saturday or Sunday and exit by 8 AM the next morning...$11
Enter after 6 AM Saturday and exit by 8 AM on Monday...$22
Monthly Passes:
Monthly - 24-hour/7 days access monthly pass: $360 per month
Overnight monthly pass (enter the Garage after 4 PM and exit by 10 AM the next business day): $150 per month
For more information and/or to purchase a monthly pass, please call (617) 954-2098.
Here's their site:
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