Chapter 9406 — Customs Tariff Headings
Products classified under Tariff item 94.06
Log Cabin Prefabricated Home
A pre-cut log cabin kit with interlocking wooden logs, roof, and floor system for residential assembly. It is a wooden prefabricated building finished in the factory and designed for on-site assembly, falling under tariff item 9406.10.90 as 'Other' wooden prefabricated buildings.
9406.10.90Prefabricated Wooden Garage Kit
A factory-built wooden garage structure with pre-cut walls, roof trusses, and doors for easy on-site assembly. It is designed for ground placement and permanent use, qualifying as a wooden prefabricated building under tariff item 9406.10.90.
9406.10.90Prefabricated Wooden Sauna Cabin
A complete wooden sauna prefab with benches, stove vent, and insulation for outdoor installation. It is a factory-finished wooden building for permanent site assembly, falling under tariff item 9406.10.90 as 'Other' wooden prefabricated buildings.
9406.10.90Prefab Wooden Workshop Shed
A factory-prefabricated wooden shed with workbench mounts, shelving, and double doors for hobbyist workshops. It is designed for ground placement and permanent use, qualifying as a wooden prefabricated building under tariff item 9406.10.90.
9406.10.90Wooden Modular Cabin Kit
A prefabricated wooden cabin assembled from factory-finished panels and components for on-site erection as a residential or vacation home. It is a wooden prefabricated building finished in the factory, falling under tariff item 9406.10.90.
9406.10.90Wooden Prefab Office Pod
A compact prefabricated wooden office unit fully fitted internally with insulation, windows, and wiring, ready for site assembly. It is a factory-completed wooden building for commercial use, falling under tariff item 9406.10.90 as 'Other'.
9406.10.90Wooden School Classroom Module
A prefabricated wooden classroom unit with pre-installed blackboards, desks, and ventilation for educational facilities. It is a wooden prefabricated building per the chapter definition, falling under tariff item 9406.10.90.
9406.10.90Wooden Tiny Home Prefab Kit
A compact 200 sq ft wooden tiny home prefabricated with kitchenette framing and loft, assembled on-site. It is a factory-finished wooden modular housing unit, falling under tariff item 9406.10.90 as 'Other' wooden prefabricated buildings.
9406.20.00Steel Modular Classroom Unit
A factory-built steel modular unit designed for educational use, pre-equipped with blackboards, desk mounts, lighting, and ventilation systems. It is presented as a complete building element ready for on-site assembly, qualifying as a modular building unit of steel under tariff item 9406.20.00.
9406.20.00Steel Modular Housing Cube
A pre-assembled steel cube unit for residential construction, including insulation, plumbing stubs, electrical panels, and interior wall finishes. It is factory-finished and presented for on-site assembly, meeting the definition of a modular building unit of steel under tariff item 9406.20.00.
9406.20.00Steel Modular Medical Clinic Pod
A steel unit prepped for healthcare use with hygiene finishes, exam lighting, sink installations, and medical gas lines. It is factory-finished and presented as a complete modular building unit for on-site assembly, qualifying under tariff item 9406.20.00.
9406.20.00Steel Modular Office Pod
A pre-fabricated steel modular unit designed as a standalone office space, complete with internal fittings like walls, doors, windows, and basic electrical wiring. It is factory-finished and presented for site assembly, falling under tariff item 9406.20.00 as a modular building unit of steel.
9406.20.00Steel Modular Retail Kiosk
A compact steel modular unit for pop-up shops, pre-outfitted with shelving, counters, POS wiring, and glazing. It is factory-finished and presented for on-site assembly, qualifying as a modular building unit of steel under tariff item 9406.20.00.
9406.20.00Steel Modular Storage Garage
A pre-fabricated steel garage unit with roll-up doors, epoxy flooring prep, lighting, and mezzanine supports. It is factory-finished and presented for on-site assembly, falling under tariff item 9406.20.00 as a modular building unit of steel.
9406.20.00Steel Modular Worker Dormitory
A steel modular sleeping unit for worksite housing, with bunks, bathrooms, HVAC, and kitchenette pre-installed. It is factory-completed and presented for assembly, qualifying as a modular building unit of steel under tariff item 9406.20.00.
9406.20.00Steel Modular Workshop Shed
A robust steel modular unit pre-fitted with workbenches, tool storage, lighting, and power outlets for garage or workshop use. It is factory-finished and presented for on-site assembly, falling under tariff item 9406.20.00 as a modular building unit of steel.
9406.90.90A-Frame Steel Greenhouse
A prefabricated A-frame steel greenhouse with a steep roof pitch for maximum headroom and precipitation runoff. The factory-finished steel frame is presented as a complete kit for on-site assembly, meeting the definition of a prefabricated building under tariff item 9406.90.90.
9406.90.90Backyard Hoop House Greenhouse Frame
A prefabricated galvanized steel hoop frame greenhouse for backyard vegetable growing, shipped in panels for easy assembly. The complete kit is finished in the factory and presented together for on-site erection, qualifying under tariff item 9406.90.90.
9406.90.90Barn-Style Metal Greenhouse
A prefabricated gambrel roof steel greenhouse mimicking barn architecture for aesthetic farm integration. The factory-finished steel frame is presented as a complete unit for site assembly, meeting the definition of a prefabricated building under tariff item 9406.90.90.
9406.90.90Butterfly Greenhouse Steel Frame
A prefabricated steel frame butterfly greenhouse with hinged roof sections for easy access and ventilation. The factory-finished components are presented together for on-site assembly, qualifying under tariff item 9406.90.90.
9406.90.90Commercial Steel Frame Greenhouse
A large-scale prefabricated greenhouse with galvanized steel framing and translucent polycarbonate panels, designed for commercial crop production. It is shipped in factory-finished sections for on-site assembly, meeting the definition of a prefabricated building under heading 94.06.
9406.90.90Commercial Steel Greenhouse Shelter
A heavy-duty prefabricated steel greenhouse for commercial horticulture, with an arched metal frame and provision for plastic sheeting. The factory-finished frame is presented as a complete kit for on-site assembly, meeting the definition of a prefabricated building under tariff item 9406.90.90.
9406.90.90Containerized Workshop Module
> A repurposed shipping container fitted as a workshop module, complete with tool mounts and electrical power. It is a prefabricated building unit, substantially pre-fitted internally, and designed for on-site assembly, falling under the "Other" tariff item for prefabricated buildings.
9406.90.90Disaster Relief Housing Module
> An emergency prefab home unit designed for disaster relief, factory-finished and ready for rapid on-site assembly. It qualifies as a prefabricated building under heading 94.06, specifically as "Other" since it is not a silo or air-supported building.
9406.90.90Dutch Light Metal Greenhouse
A traditional prefabricated steel greenhouse with angled glazing bars designed to maximize light capture. It is shipped as factory-finished elements for assembly on site, qualifying as a prefabricated building under tariff item 9406.90.90.
9406.90.90Geodesic Dome Greenhouse Frame
A prefabricated steel triangular frame forming a geodesic dome greenhouse, designed for optimal light distribution. The factory-produced elements are assembled on site, meeting the definition of a prefabricated building under tariff item 9406.90.90.
9406.90.90Gothic Arch Commercial Greenhouse
An industrial metal greenhouse with gothic arch steel framing and UV-resistant glazing, intended for commercial flower or vegetable cultivation. The prefabricated sections are finished in the factory and assembled on site, placing it under tariff item 9406.90.90.
9406.90.90Gothic Arch Metal Greenhouse
A prefabricated steel greenhouse with a gothic arch roof, featuring a high peak for snow shedding and improved ventilation. It is finished in the factory and assembled on site, qualifying as a prefabricated building under tariff item 9406.90.90.
9406.90.90Gutter Connect Commercial Greenhouse
A steel gutter-connected greenhouse system with multiple bays, prefabricated for seamless expansion in commercial cucumber production. The factory-finished steel frames and connecting gutters are presented together for assembly on site, qualifying as a prefabricated building under heading 94.06.
9406.90.90High Tunnel Commercial Greenhouse
A tall steel-framed high tunnel greenhouse with roll-up sides, designed for commercial orchard understory protection. It is prefabricated in factory-finished sections and assembled on site, meeting the definition of a prefabricated building under tariff item 9406.90.90.
9406.90.90High Tunnel Metal Greenhouse Kit
A prefabricated steel pipe frame high tunnel greenhouse used for season extension in field agriculture. It is shipped as factory-finished elements for on-site assembly, meeting the prefabricated building definition under tariff item 9406.90.90.
9406.90.90Hydroponic Commercial Greenhouse Kit
A prefabricated metal greenhouse equipped with integrated hydroponic channels and steel framing for large-scale commercial vegetable farming. The complete system is finished in the factory and presented as a unit for on-site assembly, qualifying under tariff item 9406.90.90.
9406.90.90Industrial Shed Prefab Module
> A pre-fabricated steel module for industrial sheds, featuring reinforced flooring, ventilation, and utility hookups. It is factory-completed and presented for on-site assembly, fitting the definition of a prefabricated building under heading 94.06 and classified as "Other."
9406.90.90Lean-To Steel Greenhouse Module
A modular steel greenhouse designed to attach to existing buildings, with prefabricated frame and glazing channels. It is presented as factory elements for assembly on site, qualifying as a prefabricated building under tariff item 9406.90.90.
9406.90.90Modular Gym Building Unit
> A pre-fitted modular unit for fitness centers, complete with rubberized floors and internal partitions. As a factory-finished building element designed for on-site assembly, it falls under the "Other" category of prefabricated buildings.
9406.90.90Modular Medical Clinic Unit
> A factory-assembled module for field medical clinics, including exam rooms, sinks, and medical gas lines. It is a prefabricated building unit, pre-fitted internally, and falls under "Other" prefabricated buildings, excluding dental chairs per note 1(ij).
9406.90.90Modular Polycarbonate Greenhouse
A prefabricated metal greenhouse with modular steel framing and twin-wall polycarbonate panels, providing diffused light and insulation. It is shipped as factory-finished elements for on-site assembly, falling under tariff item 9406.90.90 as a prefabricated building.
9406.90.90Modular Retail Shop Kiosk Unit
> A factory-built modular kiosk for retail shops, pre-fitted with shelving, counters, and electrical outlets, in container dimensions. It is a prefabricated building unit designed for on-site assembly, classified as "Other" prefabricated buildings.
9406.90.90Modular Steel Office Building Unit
> A prefabricated modular unit made of steel, designed as a standard shipping container size with pre-fitted internal office features like walls, doors, and electrical wiring. It qualifies as a prefabricated building under note 4, specifically a modular building unit, and falls under "Other."
9406.90.90Modular Toilet Block Unit
> A pre-plumbed restroom module, factory-finished and ready for on-site installation. It is a prefabricated building unit, falling under "Other" prefabricated buildings, as it is not a silo or air-supported structure.
9406.90.90Multi-Span Commercial Metal Greenhouse
A large interconnected multi-span steel greenhouse system for commercial berry farming, prefabricated with shared gutter framing. The factory-finished components are presented together for assembly on site, placing it under tariff item 9406.90.90.
9406.90.90Nexus Modular Commercial Greenhouse
An interlocking steel modular greenhouse system for expanding commercial cannabis cultivation facilities. The factory-prefinished modules are designed for scalable on-site assembly, meeting the definition of a prefabricated building under tariff item 9406.90.90.
9406.90.90Polycarbonate Commercial Tunnel Greenhouse
A durable steel hoop tunnel-style greenhouse with twin-wall polycarbonate covering for commercial strawberry operations. The prefabricated frame and covering are presented together for quick field assembly, qualifying under tariff item 9406.90.90.
9406.90.90Portable Office Pod
> A compact office module, prefabricated and pre-fitted for immediate use as a workspace. It is a prefabricated building unit, classified as "Other" under heading 94.06.
9406.90.90Portable Worksite Accommodation Cabin
> A pre-assembled cabin module for worker housing on construction sites, featuring insulation, plumbing stubs, and bunk beds, transportable by truck. It is a prefabricated building unit, falling under "Other" prefabricated buildings.
9406.90.90Prefabricated Classroom Module
> A factory-finished modular unit for school classrooms, including pre-installed windows, lighting, and blackboards, sized for container transport. It is a prefabricated building unit, classified as "Other" prefabricated buildings.
9406.90.90Prefabricated Garage Module
> A steel modular unit for vehicle garages, including pre-installed doors, roofing, and lighting, ready for site assembly. It is a prefabricated building, explicitly mentioned in note 4 as a garage, and falls under "Other."
9406.90.90Prefabricated Storage Shed Kit
> A kit of pre-finished panels and fittings for storage sheds, entered together for assembly. It qualifies as a prefabricated building under heading 94.06, as it is presented as elements to be assembled on site, and falls under "Other."
9406.90.90Prefab Security Post Cabin
> A small guard house module with windows and desk, prefabricated for on-site installation. It is a prefabricated building unit, classified as "Other" under heading 94.06.
9406.90.90Quonset Hut Style Greenhouse
A semi-cylindrical prefabricated steel Quonset hut adapted as a greenhouse, with end wall provisions. It is presented as factory elements for assembly on site, meeting the prefabricated building definition under tariff item 9406.90.90.
9406.90.90Retractable Roof Commercial Greenhouse
An advanced steel-framed commercial greenhouse with motorized retractable roof panels for natural ventilation in large-scale herb production. The prefabricated structure is finished in the factory and assembled on site, placing it under tariff item 9406.90.90.
9406.90.90Retractable Roof Metal Greenhouse
A prefabricated steel greenhouse with manual retractable roof panels for natural climate control. It is finished in the factory and assembled on site, qualifying as a prefabricated building under tariff item 9406.90.90.
9406.90.90Sawtooth Roof Greenhouse Structure
An industrial prefabricated steel greenhouse with sawtooth roofing for enhanced natural ventilation and light. It is shipped as factory-finished elements for assembly on site, falling under tariff item 9406.90.90 as a prefabricated building.
9406.90.90Steel Frame Greenhouse Kit
A prefabricated steel frame greenhouse kit for home gardening, featuring modular panels and assembly hardware for on-site erection. It is presented as factory elements, qualifying as a prefabricated building under tariff item 9406.90.90.
9406.90.90Temporary Housing Shelter Unit
> A modular prefabricated unit for emergency housing, pre-fitted with sanitation, sleeping areas, and utilities in shipping container form. It is a prefabricated building unit, falling under "Other" prefabricated buildings.
9406.90.90Venlo Style Commercial Glass Greenhouse
A prefabricated steel greenhouse in Venlo design with modular truss framing and tempered glass panels for high-volume commercial tomato production. The factory-finished components are presented together for assembly on site, qualifying under tariff item 9406.90.90.