Kirkland Signature Decaffeinated Coffee delivers the full-bodied, robust flavor of a dark roast — without the caffeine. 99.7% caffeine free, decaffeinated using a water process method with no chemicals, and sourced from select coffee beans from the Americas. Fine ground and ready for drip brewers, this 3 lb (48 oz) tin is the decaf counterpart to Kirkland's best-selling Colombian Coffee, carrying the same warehouse-club value and OU Kosher certification.
99.7% Caffeine Free — Water Process, No Chemicals, Dark Roast
- 99.7% Caffeine Free — decaffeinated using a water process method
- No chemicals used in the decaffeination process
- Select coffee beans sourced from the Americas
- Dark roast — carefully roasted to a deep, robust color
- Fine grind — ground fresh for a full-bodied flavor and sweet aroma
- 3 lb (48 oz / 1.36 kg) resealable tin
- OU Kosher certified (U)
- Kirkland Signature Item #46242
What is Water Process Decaffeination?
The water process method removes caffeine from green coffee beans by soaking them in hot water, which draws out caffeine along with flavor compounds. The water is then filtered through activated charcoal to remove the caffeine while retaining the flavor compounds. The beans are re-soaked in this flavor-rich, caffeine-free water to reabsorb their original taste profile. No chemical solvents are used at any stage — making it a clean, chemical-free decaffeination method preferred by health-conscious consumers.
Brewing Guide
| Brew Method | Grind Compatibility | Recommended Ratio |
|---|---|---|
| Drip Coffee Maker | Excellent (fine grind) | 1 tbsp per 6 fl oz water |
| Pour Over | Good | 1:15 coffee to water ratio |
| Moka Pot | Excellent | Fill basket level |
| Cold Brew | Not recommended | Use coarse grind for cold brew |
| French Press | Not recommended | Use coarse grind for French press |
Storage Instructions
- Store in a cool, dry place away from direct sunlight
- Keep lid tightly sealed after each use to preserve freshness and aroma
- Do not refrigerate or freeze opened coffee — moisture causes flavor degradation
- Best used within 2-4 weeks of opening for peak flavor
- Check the best-by date printed on the bottom of the tin
About Kirkland Signature Decaf Coffee
Kirkland Signature is Costco's private label brand, known for delivering warehouse-club quality at competitive prices. The Decaffeinated Coffee line (Item #46242) uses a blend of select beans from the Americas, decaffeinated without chemicals via the water process method. The result is a dark roast with a deep, robust color and a sweet, full-bodied aroma that closely mirrors the experience of a regular dark roast — without the caffeine. OU Kosher certified for consumers with dietary requirements.
Frequently Asked Questions
- Is "99.7% caffeine free" truly decaffeinated?
- Yes. The FDA defines decaffeinated coffee as coffee that has had at least 97% of its original caffeine removed. Kirkland Signature Decaf exceeds this standard at 99.7% caffeine free. A typical 8 fl oz cup of regular coffee contains 80-100mg of caffeine; the same cup of this decaf would contain approximately 2-3mg — a negligible amount for most people, including those sensitive to caffeine.
- What does "water process" mean and why does it matter?
- Water process decaffeination removes caffeine using only water and activated charcoal filters — no chemical solvents such as methylene chloride or ethyl acetate are used. This is important for consumers who prefer to avoid chemical residues in their food and for those following organic or clean-label dietary preferences. The water process is also the method used in Swiss Water Process certified coffees, though this product is not specifically Swiss Water Process certified.
- Is this coffee compatible with automatic drip coffee makers?
- Yes. Kirkland Signature Decaf Coffee is fine ground, which is the standard grind size for automatic drip coffee makers, including flat-bottom and cone-filter machines. It is not recommended for French press or cold brew, which require a coarser grind. It works well in Moka pots and pour-over brewers with fine-grind compatibility.
Also available: Kirkland Signature 100% Colombian Coffee 3 lb (with caffeine).
Explore more pantry staples in our Grocery & Gourmet Food collection.
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We accept returns within 30 days of delivery. Return shipping is free with no restocking fee. Refunds are processed within 5 business days of receiving the returned item.