Standard International Trade Classification
U.S. imports of Monumental & Building Stone (Except Slate) — Simply Cut or Sawn (SITC 66135) totaled $6.1M in August 2026, imported from 43 countries.
Importers of Monumental & Building Stone (Except Slate) — Simply Cut or Sawn paid $940K in duties in August 2026, an average duty rate of 15.52% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataSandstone, limestone, granite, basalt, and other building or monumental stones not elsewhere specified — when simply cut or sawn to a flat or even surface — fall under this residual heading, which serves as the classification home for a wide variety of quarried stones used in construction facades, paving, and memorial work. The 'not elsewhere specified' qualifier means that marble, travertine, alabaster, and slate are excluded, having their own dedicated headings. Granite is commercially the most significant stone in this category for US imports, sourced from a broad range of origins. Importers must identify the specific stone variety and confirm it is not covered by a more specific heading before using this classification.
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428 import shipments a month
Marble, travertine, and alabaster have their own dedicated SITC headings (66134 and 66136). Granite, limestone, sandstone, basalt, and other building or monumental stones that are not slate fall into this residual 'NES' (not elsewhere specified) category. The stone type must be identified — ideally with a geological or supplier certificate — to confirm it does not belong to a more specific heading.
A mill or quarry certificate describing the production process — specifying that the stone was cut by gang saw, wire saw, or similar method and received no polishing, honing, or surface decoration — is the most effective supporting document. Photos of the product surface and a commercial invoice noting 'rough sawn' or 'sawn finish' also help establish the classification at the port of entry.
Basic heading 393 of 766 in section 6
Basic heading 66135 · $6.1M of $27.0B
Imports · August 2026
origin
India and Turkey together supply 53% of it. China pays 41.4% duty; Mexico 0.0%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
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Imports
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12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $71.6M of Monumental & Building Stone (Except Slate) — Simply Cut or Sawn and exported $14.0M.
Through August 2026. Source: U.S. Census Bureau.