New Heights Coffee Roasters has been having pop-ups around the Heights and Houston-area in the past couple of years. They have also been selling coffee outside of Donovan Park (Heights Blvd & E 7th St) on weekends when the weather is nice.
Their Instagram page @newheightscoffeeroasters said a coffee lab at 718 Heights Blvd was coming soon. Google still has that captured but that address is no longer on their bio.
718 Heights Blvd is a house just north of Donovan Park.
A new entity called New Heights Coffee Roasters was registered last year using the same address: https://www.bizapedia.com/tx/new-heights-coffee-roasters-llc.html