LumberFlow
Track the current and historical U.S. duty burden on Canadian softwood lumber. See how AD, CVD, and Section 232 tariffs stack over time. Calculate supplier net price under DDP terms or buyer landed cost under FOB.
Free, ungated market utility. Data sourced from DOC, Global Affairs Canada, and official White House proclamations.
All Others (Industry Average) — effective as of October 14, 2025
Offsets below-fair-value pricing
Offsets government subsidies
National security tariff
The weighted-average rate applied to Canadian producers not individually examined by the DOC. This is the most commonly referenced rate for the softwood lumber sector.
How AD, CVD, and executive tariffs have stacked over time
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Calculate supplier net or buyer landed cost based on shipping terms
Delivered Duty Paid (DDP) — the industry standard. The Canadian seller quotes an all-inclusive price covering lumber, freight, and all U.S. duties. This calculator back-calculates what the supplier actually retains (their FOB mill net) after remitting duties to CBP and paying freight.
Frankfurter (ECB) — 2026-03-20
What the Canadian seller retains after duties and freight
Net to Supplier (USD/MBF)
$251.45
Net to Supplier (CAD/MBF)
C$344.88
Of every $450 DDP dollar, the supplier retains 55.9% ( $251.45) after $113.55 in duties and $85.00 freight.
How we calculate rates and estimate supplier economics
For more on how LumberFlow tracks lumber market dynamics, see our weekly price forecasts and market analysis.
Common questions about Canadian softwood lumber duties and tariff tracking
Have a question not answered here? Contact us or explore our procurement solutions.
LumberFlow helps lumber buyers and sellers make better purchasing decisions with AI-powered market intelligence, automated RFQs, and real-time price forecasts.
Disclaimer
This page is an informational market utility provided by LumberFlow. It is not legal, customs, tax, or accounting advice. Calculator outputs are estimates intended for pricing judgment and negotiation framing. Under DDP terms, the Canadian seller remits duties as Foreign Importer of Record. Under FOB terms, the U.S. buyer is the Importer of Record. Customs valuation is simplified. Always consult a licensed customs broker or trade attorney for compliance guidance. See Terms of Service.