Natural Pawz Heights.
I was sad when Heights Urban Dog recently closed. However, the business moved to a new location and is now "Natural Pawz Heights" off of 514 West 19th Street.
I revere Teresa Bues (of Heights Urban Dog) and Natural Pawz, because they have always supported pet rescue groups like Lucky Dog Rescue (who rescue BARC's animals before they are "destroyed") and Corridor Rescue (featured on "CNN's Heroes"). Saturdays are usually fun and filled with events.
It is right by Penzey's Spices, and is a good place to socialize with fellow shoppers.