by Quick answer: To file a Leesa warranty claim, photograph the sag with a straight edge to document the indentation depth, confirm your foundation's slats meet Leesa's spacing rule, gather proof of purchase, and contact Leesa's support team through its official warranty page.
By the MattressNut editorial team · Updated June 2026
Leesa's Warranty Explained
Leesa's terms depend on when you bought. Per the brand's stated policy, mattresses purchased from early 2025 carry a limited lifetime warranty, while earlier purchases came with a 10-year warranty. The covered sag threshold also shifted: legacy and some retailer warranties used a 1-inch indentation, while the current lifetime warranty requires a deeper 1.5-inch indentation. On the legacy 10-year warranty, owners report cost-sharing kicks in after year 10, starting around 50% of current retail and rising over time.
Key Terms (what we could verify)
| Item | Detail |
|---|---|
| Warranty length | Lifetime (purchases from early 2025) or legacy 10-year, by purchase date |
| Sag threshold covered | 1 inch on legacy/retailer terms; 1.5 inches on the current lifetime warranty |
| Who pays shipping/transport | On the legacy 10-year terms, owners report transport costs fall to the purchaser |
| Common exclusions | Stains, spills, tears, burns, pet damage, mold/mildew, normal softening, comfort preference, non-original owners |
| How to start | Contact Leesa's support team via the brand's official warranty page with proof of purchase |
How to File / What to Do
First confirm which warranty applies to your purchase date, since it sets your sag threshold. Strip the bed, lay a rigid straight edge across the indentation, and photograph the depth so it clearly meets your applicable threshold. Photograph your base too: per the brand's stated policy, slats wider than the brand's stated limit can void coverage. Have your original purchase date ready, then reach out to Leesa's support team through the official warranty page and follow their instructions. Use only the contact shown on Leesa's official warranty page.
Common Problems Owners Report
The biggest avoidable denial is staining, which Leesa treats as external damage rather than a defect, so a protector matters from day one. Owners also report confusion over the threshold change: a sag near 1 inch that would have qualified under a legacy warranty may not meet the 1.5-inch current standard. Claims tied to wide-slat frames get denied as improper support, and a replacement does not reset the warranty clock, which surprises some owners.
The Saatva Comparison
Leesa's move to a lifetime warranty is owner-friendly, but Saatva pairs its lifetime warranty with a 365-night home trial, well beyond the typical 100-night window. Free white-glove delivery places the Saatva Classic on a proper base and removes your old bed, which heads off the "unsupportive foundation" denial that drives many claim rejections. In-trial returns are a flat $99 rather than a boxing ordeal.
See the Saatva Classic warranty & trial
Bottom Line
With Leesa, the first step is identifying your warranty version, because it determines both your sag threshold and any cost-sharing. Document the indentation on a compliant base, keep the mattress unstained, and have proof of purchase ready.
Bottom line: Confirm your warranty version, measure the sag against the right threshold on a proper base, and file through Leesa's official warranty page with proof of purchase.
Related: our full Saatva mattress review.