How long does Cold Brew Coffee last?
Storage guidance for Cold Brew Coffee: Follow the label after opening. Plus warning signs, sources, and package instructions.
Quick answer
Can I still eat it?
This food cannot be judged from a generic day count. Follow its after-opening storage directions and product-specific package guidance.
Discard it when the label directs, if the package is damaged, or if any warning sign below applies.
Sealed / unopened: N/A
Signs Cold Brew Coffee has gone bad
- Sour milky smell (if dairy added), mold growth.
- Fizzing on opening.
- Off bitter or sour taste.
Discard immediately if
- Visible mold, fizzing, or an abnormal sour smell
- Any dairy-containing cold brew left out longer than 2 hours
- Past the package instruction for commercial products
Why guidance varies
Cold-water extraction, sanitation, refrigerator temperature, and whether the product is homemade, pasteurized, or a concentrate determine its storage window.
Get a heads-up before it expires. Search the full database instead.
Frequently asked questions
How long does Cold Brew Coffee last?
Package guidance: Commercial pasteurized cold brew or concentrate: follow the label after opening. In the fridge: Up to 7 days (homemade). Sealed / unopened: N/A. For homemade cold brew, use clean equipment, refrigerate promptly, and use within 7 days. Commercial pasteurized products and concentrates follow their package instructions.
How can you tell if Cold Brew Coffee has gone bad?
Signs that Cold Brew Coffee has gone bad: Sour milky smell (if dairy added), mold growth; Fizzing on opening; Off bitter or sour taste.
What does the date label on Cold Brew Coffee mean?
Cold Brew Coffee usually carries a "Best By" date. A quality marker — the product is at peak quality before this date, but it’s safe to eat afterward if stored correctly. See our date-labels guide for the full breakdown.
Sources for this answer
- A Cold Brew Coffee - Pilot Studies on Microbiological Hazards — Homemade cold-brew storage depends on preparation and sanitation; surveyed preparations were stored for up to 7 days.