4418.99.10.00—Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, drilled or notched lumber studs
General
Free
Units
m3
Column 2
$1.70/m3
Special
—
Plain-English explanation
HTS 4418.99.10.00 is the U.S. Harmonized Tariff Schedule classification for Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, drilled or notched lumber studs. It's a 10-digit statistical line in Chapter 44: Wood and articles of wood; wood charcoal, Section IX: Wood and Articles of Wood; Wood Charcoal; Cork and Articles of Cork; Manufactures of Straw, of Esparto or of Other Plaiting Materials; Basketware and Wickerwork, used by U.S. Customs and Border Protection to determine the duty rate at entry. 1 Chapter 99 tariff modification currently stacks on top of the base rate, and 2 active AD/CVD orders flag this code.
New to HTS codes? Read our guide on how HTS classification works →
Tariff modifications(1)
Chapter 99 overlays that stack on the base rate
| Code | Authority | Rate |
|---|---|---|
| 9903.53.01 | other | 10% |
Potentially applicable AD/CVD orders(2)
Active orders that may apply to imports under this HTS code. HTS coverage is advisory — actual scope depends on each order's product description. Run the AD/CVD lookup → to check whether your specific shipment is in scope.
Frequently asked questions
What is HTS code 4418.99.10.00?
HTS 4418.99.10.00 is the U.S. Harmonized Tariff Schedule classification for Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, drilled or notched lumber studs. It belongs to Chapter 44 of the HTSUS.
What is the general duty rate for HTS 4418.99.10.00?
The general (Column 1) duty rate for HTS 4418.99.10.00 is Free. This is the most-favored-nation (MFN) rate that applies to imports from World Trade Organization member countries.
What is the Column 2 (statutory) rate for HTS 4418.99.10.00?
The Column 2 rate for HTS 4418.99.10.00 is $1.70/m3. This rate applies to imports from countries that do not have normal trade relations with the United States (currently Cuba and North Korea).
Are there Section 301 or Section 232 tariffs on HTS 4418.99.10.00?
Yes — HTS 4418.99.10.00 is covered by other provision 9903.53.01 (10%). Open the code page for the full overlay stack with effective dates and country scopes.
Does HTS 4418.99.10.00 have any antidumping or countervailing duty (AD/CVD) orders?
Yes — 2 AD/CVD orders flag this code: C-122-858 (CVD, Canada), A-122-857 (AD, Canada). Open the code page for deposit rates, scope determinations, and the linked case lookups.
Learn more
Tandom guides relevant to this code
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Section 301 China tariff exclusions in 2026
What the 178 active Section 301 exclusions cover, how to claim 9903.88.69 on an entry, and what changes when the November 10, 2026 deadline passes.
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