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