Caltest Contact Information
1885 North Kelly Road
Napa, California 94558
Phone: 707.258.4000
Fax: 707.226.1001
Business Hours: Monday – Friday, 8am – 5pm PCT
The lab is closed in recognition of the following holidays:
- New Year’s Day
- President’s Day
- Memorial Day
- Independence Day
- Labor Day
- Thanksgiving Day
- Christmas Day