| Club: | CD Castellón |
| Season: | 2024–25 |
| Mgrtitle: | Head coach |
| Manager: | Dick Schreuder |
| Stadium: | Nou Estadi Castàlia |
| League: | Segunda División |
| League Result: | 13th |
| Cup1: | Copa del Rey |
| Cup1 Result: | First round |
| Prevseason: | 2023–24 |
The 2024–25 season is the 103rd season in the history of the CD Castellón, and the club's first season in the Segunda División since 2021. In addition to the domestic league, the team is scheduled to participate in the Copa del Rey.
| Player | Transferred from | Fee | Date | Source | ||
|---|---|---|---|---|---|---|
 Amir Abedzadeh | Marítimo | Free | [1] | |||
| Thomas van den Belt | Feyenoord | Loan |
See main article: 2024–25 Segunda División.
The match schedule was released on 26 June 2024.[2]
See main article: 2024–25 Copa del Rey.