U.S. Lowers Canadian Softwood Lumber Duties
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The U.S. Department of Commerce set antidumping and countervailing duty rates on Canadian softwood lumber at 24.75%, down from about 35.16%, according to the National Association of Home Builders. The new rates take effect after publication in the Federal Register; a separate 10% tariff means total duties remain 34.75%.

The U.S. Department of Commerce set final antidumping and countervailing duties on Canadian softwood lumber imports at 24.75%, down from about 35.16%, according to the National Association of Home Builders. The lower rates are not yet in effect: they will apply after publication in the Federal Register, and a separate 10% tariff keeps total duties on the imports at 34.75%.

Commerce issued the final rates on October 13, concluding its annual administrative review of the duties. The agency’s combined antidumping and countervailing rate fell by 10.41 percentage points from the previous level cited by NAHB. The review concerns existing duty orders on Canadian softwood lumber, rather than a removal of all U.S. charges on those imports.

The agency began its seventh set of administrative reviews last year and released preliminary findings on April 13. The October figures are the final rates identified in the source report. They will take effect only following their publication in the Federal Register, the step specified for implementation.

The final duty rate is separate from a 10% tariff on timber and softwood lumber imposed by the Trump administration after a Section 232 national security investigation. Adding that tariff to the 24.75% antidumping and countervailing duties produces the reported 34.75% total. The reduction in one set of charges therefore does not mean the overall rate falls to 24.75%.

At a glance
updateWhen: Final rates issued October 13, 2026; ef…
The developmentCommerce issued final rates lowering U.S. antidumping and countervailing duties on Canadian softwood lumber, subject to Federal Register publication.

What the Lower Rate Changes

The reduction changes one component of the charges applied to Canadian lumber entering the United States. For importers and businesses that use the material, the duty rate is relevant to the cost of bringing lumber across the border. The new figure could lower that component of the charge once it takes effect, but the separate tariff remains in place.

The distinction matters to builders, retailers and lumber buyers weighing supply costs. The reported total is still 34.75%, not 24.75%, because the Section 232 tariff is added separately. The source material does not quantify how the revised duties will affect lumber prices, construction costs or availability, so the rate change alone does not establish the size of any downstream impact.

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The Review and Separate Tariff

Commerce’s administrative reviews examine duty orders over a defined review period and can result in updated rates. In this case, the process began with the agency’s seventh set of reviews, followed by preliminary findings on April 13 and final rates on October 13. The source report attributes the revised rate information to the National Association of Home Builders.

Antidumping and countervailing duties are distinct from the separate Section 232 tariff described in the report. The first two are the rates Commerce finalized in its review; the 10% Section 232 tariff was imposed after a national security investigation. Keeping those measures separate explains why the revised duty rate and the total reported charge differ.

Publication and Market Effects

The supplied report does not give a Federal Register publication date, so the precise effective date remains unconfirmed. It also does not provide details about how the final rates apply to individual companies, shipments or products, or whether further administrative or legal steps are expected.

The source reports the applicable rates but does not estimate their effect on lumber prices, building costs, import volumes or supply. Those outcomes remain uncertain. The 34.75% total reflects the stated duty rate plus the separate tariff; the report does not describe any other charges that could apply to a particular import.

Federal Register Publication

The next stated step is publication of the final rates in the Federal Register. After that publication, the revised 24.75% antidumping and countervailing duties are scheduled to take effect. Until then, the report identifies the rates as final but not yet effective.

Importers, lumber suppliers and buyers will be watching for the publication date and any additional official guidance on implementation. The separate 10% tariff remains part of the reported total unless it is changed through a separate action; the source material does not report such a change.

Key Questions

What duty rate did the U.S. set on Canadian softwood lumber?

Commerce set final antidumping and countervailing duties at 24.75%, down from about 35.16%, according to the National Association of Home Builders.

Are total charges on the lumber now 24.75%?

No. The report says a separate 10% Section 232 tariff also applies, bringing the reported total to 34.75%.

When do the lower duties take effect?

The revised rates take effect after publication in the Federal Register. The report does not provide a publication date.

Why were the rates changed?

The new figures followed Commerce’s annual administrative review of its softwood lumber duty orders. The agency began its seventh set of reviews last year, issued preliminary findings on April 13 and set final rates on October 13.

Does the rate reduction mean lumber prices will fall?

The source report does not forecast prices or quantify effects on construction costs, supply or import volumes. The rate change lowers the antidumping and countervailing duty component, while the separate 10% tariff remains in the reported total.

Source: rss

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