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Underground Legacy Cannabis Dispensary Mattapan

Cannabis Dispensary located near Mattapan, MA

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Contact

Location

1379 Blue Hill Ave
Mattapan, MA 02126

Hours

  • Sunday
    10:00am – 6:00pm
  • Monday
    10:00am – 9:00pm
  • Tuesday
    10:00am – 9:00pm
  • Wednesday
    10:00am – 9:00pm
  • Thursday
    10:00am – 9:00pm
  • Friday
    10:00am – 9:00pm
  • Saturday
    10:00am – 9:00pm

Customer Reviews

  • Christopher Burfitt
    10/06/2025 03:15 PM
    5.0
  • Matt Davidson
    09/29/2025 01:51 PM
    5.0
    Underground is the dispensary Mattapan has been needing! The team is local, the product is good, and worth driving in from Milton from. Great parking for Blue Hill Ave, easy to get in and out
  • Matt Davidson
    09/29/2025 01:49 PM
    5.0
    These guys are working hard to bring some quality product and people to the neighborhood! Great brands and selection, with easy parking. Great product and people!

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Underground Legacy FAQs

State law permits the purchase of up to one ounce of flower or five grams of concentrate at a time. Flower – 1 ounce (28.3495 grams), Concentrate/Vape – 5 grams, Tincture – 5000 milligrams, Edibles – 500 milligrams, Topicals/Ointments – No Limit.
Yes, you must be 21+ and have a valid form of government issued identification to enter a dispensary and purchase cannabis products.
We accept cash, debit and credit cards, and gift cards. An ATM is conveniently located onsite for use by patrons.
We will accept any unused product still in its original wrapping, as long as all elements of the label are readable and untampered with. The returned product may be exchanged for the same item or something of equal or lesser value. Defective products may also be returned. The same stipulations apply as above. All returns must be accompanied by a receipt. All returns must be made within 48 hours of purchase. No exchange is guaranteed. Each exchange is subject to approval.
There is ample onsite parking available for patrons. There is a public transit bus stop directly in front of Underground Legacy as well as a bus stop directly across the street. Mattapan Public Transit station is a 7-minute walk from Underground Legacy where you will find additional bus lines as well as trolley service.

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