SITCSection 6
U.S. imports of monumental & building stone (except slate) — simply cut or sawn (SITC 66135) totaled $5.6M in April 2026, traded with 39 countries.
Importers of Monumental & Building Stone (Except Slate) — Simply Cut or Sawn paid $862K in duties in April 2026 — an effective duty rate of 17% on $5.1M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 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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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.
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Monthly import values over time