Single Hsa Contribution Limit 2025. The 2025 calendar year hsa contribution limits are as follows: Your contribution limit increases by $1,000 if you’re 55 or older.

The 2025 hsa contribution limit for individual coverage increases by $300 to $4,150. For 2025, individuals under a high deductible health plan (hdhp) have an hsa annual contribution limit of $4,150.