Grondster is een straat te Goirle in de gemeente Goirle en is gelegen in de Nederlandse provincie Noord-Brabant.
| Postcode | Huisnummers |
|---|---|
| 5052 WP | 39, 37, 35, 33, 33a, 31, 29, 29a, 27, 25, 25a, 23, 21, 21a, 19, 17, 17a, 15, 13, 11, 9, 7, 5, 3, 1; |
| 5052 WR | 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26a, 26, 28a, 28, 30a, 30, 32a, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52; |