Metered street parking (if your lucky or garages in the area). You could take public transportation into the city and save on garage parking fees. Trains into Suburban Station get you within a block or two of Di Bruno's in Center City.
There is street parking on all surrounding streets, as well as a parking garage on Sansom between 17th and 18th, but closer to 18th Street.
Free parking on sundays on market and Jfk. Its really a hit or miss trying to get parking and PHILADELPHIA PARKING AUTHORITY IS OUT AND ABOUT SO IF YOU DO FIND PARKING PAY THE METER!
It's a tough area to park almost any time of day. There are a couple lots on 19th and a couple more on Market, but they're expensive. If it were me I'd park somewhere South of Rittenhouse Square and enjoy a nice walk through the park.
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