You have until April 15, 2015 to make HSA contributions for tax year 2014. Make sure to indicate the contribution is for 2014, so the custodian gets the tax reporting correct.  If you are mailing your contribution, you should send it early, and verify it was credited for 2014. The bank will need some time to process your contribution, so don't wait until the last minute. If you cut it close and your custodian allows for electronic contributions, you may want to use that option.

Be Tax Savvy. You may have made contributions last year through payroll deferral at work or your company may have contributed for you. That's great. But did you contribute the maximum? HSAs are the best tax deal available for many Americans, and you want to take full advantage. It may be too late to add more money to your HSA through payroll deferral for 2014, but you can still do so directly on your own.