B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
78%
78% -- designer preference rate for Quartz as preferred countertop material among designers, contractors, and manufacturers (2026)
78% of designers, contractors, and manufacturers back quartz as the preferred countertop material according to the NKBA 2026 Kitchen Design Trends Report.
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Lighthouse Research Team
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Source verified
Evidence graded
Value
78%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
NKBA
Primary
Tier B
https://doitorhire.com/kitchen-remodel/granite-vs-quartz-countertops/ ↗
Source Article
Granite vs Quartz Countertops: DIY or Hire? - Do It Or Hire
Granite vs Quartz Countertops: DIY or Hire?
You’ve settled on a layout, picked your cabinet color, and now you’re staring at the line item that’ll eat 10% to 15% of your kitchen budget. Granite or quartz. The internet has a thousand comparison charts for that decision, but most skip the part that ma…
Original Research
NKBA
· Original study ↗
Methodology
NKBA 2026 Kitchen Design Trends Report
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Quartz as preferred countertop material among designers, contractors, and manufacturers: 78% designer preference rate. Source: NKBA (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/nkba-designers-prefer-quartz-2026
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<blockquote cite="https://lighthousedata.io/data/nkba-designers-prefer-quartz-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>78%</strong> -- designer preference rate for Quartz as preferred countertop material among designers, contractors, and manufacturers<br><small>Source: NKBA (2026) · <a href="https://lighthousedata.io/data/nkba-designers-prefer-quartz-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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