A newly rebuilt JP playground near the Southwest Corridor with a three-level treehouse structure and, as of August 2025, Jamaica Plain's first official fenced dog park with its own dog water fountain.
What to expect
Dogs
Leashed dogs on the general playground paths; the new fenced dog run area allows off-leash play, JP's first official dog park
Hours
Open 6am-11:30pm daily (citywide Boston park regulation)
Managed by
Boston Parks and Recreation Department
617-635-4505 · WebsiteWhat's here
On site
Drinking water
Water fountain in the dog run area
Picnic area
Picnic area added in the renovation
Common questions
Is William F. Flaherty Playground open today?
William F. Flaherty Playground is a public playground in Boston, MA. Posted hours: Open 6am-11:30pm daily (citywide Boston park regulation).
Is there a dog park here?
Yes, a fenced dog run opened in August 2025 as part of the Flaherty Playground renovation, JP's first official off-leash dog park, with its own water fountain.
Where do I park at William F. Flaherty Playground?
Free lot (free).
Is William F. Flaherty Playground fully fenced?
Yes. Good for toddlers who bolt.
Is there an entry fee at William F. Flaherty Playground?
No, entry is free.
Can I bring my dog to William F. Flaherty Playground?
Leashed dogs on the general playground paths; the new fenced dog run area allows off-leash play, JP's first official dog park
What rules should I know at William F. Flaherty Playground?
Alcohol prohibited in all Boston parks.