Pressure-Treated 4x4 Fence Posts

Standard 4x4 inch sawn posts, CCA pressure-treated to UC4A ground contact standard, 8-12 feet lengths. Common for residential fencing; HTS 4421.99.70 despite treatment due to fencing specificity.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

4421.99Same rate: 35%

If micronized copper azole (MCA) treatment

Different preservative systems may trigger other subheadings.

4407.19.00Same rate: 35%

If bulk posts over 152mm without fencing designation

Large dimension lumber classifies under coniferous sawn wood.

4418.50.00Same rate: 35%

If with galvanized brackets attached

Posts with builder's joinery hardware become assembled articles.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

• Include AWPA UC4A treatment certification with each shipment

• Tag posts with treatment date and chemical retention for traceability

• Store vertically during customs hold to prevent ground contact leaching

Related Products under HTS 4421.99.70

Sawn Pine Fence Pickets

These are rectangular wooden pickets made from sawn pine lumber, typically 1x6 inches in cross-section and 6 feet long, used for constructing privacy or picket fences. They fall under HTS 4421.99.70 as sawn pickets specifically designed for fencing applications, distinct from rough lumber in Chapter 44 heading 4407.

Cedar Fence Rails

Horizontal sawn cedar rails measuring approximately 2x4 inches by 8 feet, used as top and bottom rails in fence construction. Classified under HTS 4421.99.70 as sawn rails specifically for fencing, differentiated from general construction lumber by their profiled edges and fencing purpose.

Pressure-Treated Pine Fence Posts

6x6 inch square sawn pine posts, pressure-treated with CCA preservatives, typically 8 feet long with pointed ends for ground insertion. HTS 4421.99.70 covers these sawn posts designated for fencing, though treatment may affect precise subheading.

Redwood Picket Fence Sections

Pre-assembled fence panels consisting of sawn redwood pickets nailed to horizontal rails, measuring 6 feet high by 8 feet wide. Falls under HTS 4421.99.70 as assembled fence sections made from sawn wood components specifically for perimeter fencing.

Sawn Oak Garden Fence Palings

Tapered sawn oak palings, 1x4 inches at top tapering to 1x2 inches, 4 feet long for decorative garden fencing. HTS 4421.99.70 includes these sawn palings designed for low-profile boundary fences, distinguished by ornamental shaping.

Douglas Fir Split Rails

Traditional sawn-and-split Douglas fir rails, 4-6 inches diameter, 10 feet long for rustic ranch fencing. Although partially split, the sawn processing qualifies under HTS 4421.99.70 as fencing rails.