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SITCSection 2
U.S. imports of granite, porphyry, basalt, sandstone & other monumental or building stone, roughly trimmed or in blocks (SITC 27313) totaled $5.1M in April 2026, traded with 22 countries.
Importers of Granite, Porphyry, Basalt, Sandstone & Other Monumental or Building Stone, Roughly Trimmed or in Blocks paid $534K in duties in April 2026 — an effective duty rate of 12% on $4.6M in dutiable value, based on actual customs collections rather than the published tariff schedule. Granite, Porphyry, Basalt, Sandstone & Other Monumental or Building Stone, Roughly Trimmed or in Blocks imports of $5.1M in April 2026 ran 58% above the year-to-date monthly average of $3.3M.
Last updated: April 2026 dataGranite, basalt, sandstone, porphyry, and other non-calcareous monumental and building stones at the block or rough-cut stage serve as primary inputs for countertop fabrication, paving, cladding, and monument production. Granite dominates commercial volumes in this heading, with major supply flowing from countries with large quarrying industries. Unlike the calcareous stone heading, this category captures the harder igneous and sedimentary stones, and the 'not elsewhere specified' scope means it also catches less common decorative stones that don't fit narrower headings. The degree of surface finishing — particularly whether faces have been polished or profiled — is the key boundary between this heading and finished worked stone classifications.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Granite that has been polished, cut to non-rectangular shapes, profiled, or otherwise further worked into finished architectural elements — such as countertop blanks with finished edges or paving sets — typically moves into headings covering worked monumental or building stone. Importers should document the processing state and surface condition of the material to support classification at entry.
Basalt in block or rough-cut form for construction or monumental use is captured here. However, basalt processed into industrial forms — such as basalt fiber, crushed aggregate, or mineral wool — is classified under entirely different headings based on the form and end-use. The classification of basalt depends critically on its physical form and the degree of processing at the time of import.
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Monthly import values over time