Yes, restrooms are located in the Visitor Center Parking Lot and at the Coach House.
While enjoying the Park's gardens and grounds, you will find restrooms in the Comfort Station at the end of the main parking lot AND in the Coach House complex (water fountain there as well).
yes, right next to the parking lot before you walk up to the house. very nice bathrooms too.
Yes, the restrooms are inside, down a hall to the left of the entrance and ticket counter.
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