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HSChapter 94
U.S. imports of prefabricated buildings, other than wood (non-modular steel) (HS 940690) totaled $27.7M in July 2026, traded with 52 countries.
Importers of Prefabricated Buildings, Other Than Wood (Non-Modular Steel) paid $6.6M in duties in July 2026 — an effective duty rate of 28% on $23.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataCommercial and non-commercial greenhouses of metal (9406900110 and 9406900120), other prefabricated metal buildings (9406900125 and 9406900130), plastic animal sheds (9406900150), and a residual NESOI line (9406900190) make this heading unusually diverse in both material and end-use. Canada leads supply, with Israel a notable source specifically tied to greenhouse technology exports — Israel is a recognized global innovator in controlled-environment agriculture structures. Metal prefabricated buildings of Chinese origin may be subject to Section 301 tariffs, and steel-content structures could also trigger Section 232 considerations depending on how the article is classified at the component level.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
2.0K shipments/mo
The distinction between 9406900110 (commercial) and 9406900120 (non-commercial) greenhouse lines turns on the intended use of the structure. Commercial greenhouses are those used in agricultural production for sale, while non-commercial structures serve residential or hobbyist purposes. Importers should retain purchase orders, end-user declarations, or business documentation that establishes the commercial or non-commercial nature of the buyer's operation.
Plastic animal sheds (9406900150) are industrial/structural goods and do not themselves trigger mandatory agency admissibility review. However, if the sheds are imported pre-fitted with feed or water systems, or if they are destined for use with regulated livestock operations, importers should confirm whether any USDA APHIS or state agricultural regulations apply to the facility use — those requirements are separate from the customs classification.
Subheading 1 of 3 in heading 9406
Subheading 940690 · $27.7M of $61.3M
ImportsExports
Imports
$27.7MYoY · Pro
Exports
$27.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Canada and China together supply 63% of it.
customs district
destination
entry
rate provision · imports
14.3% enters free of duty; the effective duty rate is 23.87%.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 9406900190 | Prefabricated Buildings, NESOI | $19.4M | 28.95% | 93.95% | $5.6M |
| 9406900130 | Prefabricated Buildings of Metal | $7.7M | 24.68% | 74.39% | $1.9M |
| 9406900120 | Greenehouses Prefab Bldings of Metal Nt Commercial | $1.8M | 14.54% | 65.03% | $268K |
| 9406900110 | Commercial Greenhouses, Prefabrictd Bldng of Metal | $1.3M | 28.13% | 85.34% | $378K |
| 9406900150 | Animal Sheds of Plastic | $27K | 30.88% | 100.00% | $8K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 9406900190 | Prefabricated Buildings, NESOI | $17.6M |
| 9406900125 | Prefabricated Buildings of Metal | $2.7M |
| 9406900150 | Animal Sheds of Plastic | $445K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
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