How can you tell if Brewed Coffee has gone bad?

Signs that Brewed Coffee has gone bad: Sour smell (especially with milk added), mold growth, fermented carbonation, off taste.

What does the date label on Brewed Coffee mean?

Brewed 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.

Beverages

How long does Brewed Coffee last?

Q: How long does Brewed Coffee last?

In the fridge: 1–2 weeks (cold brew). In the pantry: best within hours. Sealed / unopened: N/A. Hot-brewed coffee: drink same day. Cold brew concentrate lasts 2 weeks. Avoid adding milk before storing.

High confidence Quality concern

How long does Brewed Coffee last? fridge 1–2 weeks (cold brew), pantry best within hours. Plus spoilage signs, sources, and an unopened-vs-opened note.

Fridge

1–2 weeks (cold brew)

Pantry

best within hours

Freezer

Not recommended

Sealed / unopened: N/A

Signs Brewed Coffee has gone bad

Sour smell (especially with milk added), mold growth, fermented carbonation, off taste.

Discard immediately if

Bulging or pressurized container
Sharp sour smell
Curdled or chunky texture

Why guidance varies

Pasteurization method (HTST vs. UHT vs. cold-pressed), preservative content, and container type (carton vs. plastic vs. glass) all change shelf life dramatically.

Track this in My Pantry

Get a heads-up before it expires. Search the full database instead.

Sources for this answer

A USDA FoodKeeper — Storage windows and refrigeration guidance for this category.
A FDA — Are You Storing Food Safely? — Date-label interpretation and food-safety baseline.

Reviewed: 2026-05 · Rule: if manufacturer storage instructions are stricter than category guidance, the manufacturer instructions win.