Black Hole in Houston has 1 restroom on record; none is recorded as all-gender yet.
4504 Graustark, Houston, TexasVerifiedby community-sourced import · Feb 26, 2017How checks work
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1 on record
One restroom on record; its details are under At a glance.
4.3 on Google from 2.4k ratings, for the business overall, not the restroom.
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From Google, last updated Jun 24, 2026
From Google
Listing information, not Allgenda verification. Last updated Jun 24, 2026.
Students & remote workers populate this loungey coffee shop with eclectic furniture.
Place data © Google, shown under Google's terms. Allgenda adds the checks, restroom records and community notes.
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ChIJn-TbE4LAQIYRbtHO7yCa6xQimported Jun 24, 202630122updated upstream Feb 26, 2017