Kastanjelaan is een straat te Heemstede in de gemeente Heemstede en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 2101 XK | 1A, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37; |
| 2101 XL | 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30; |