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HTS heading 3925 · Chapter 39

HTS 3925: Builders' ware of plastics, not elsewhere specified or…

HTS heading 3925 covers builders' ware of plastics, not elsewhere specified or included. It has 5 tariff lines with a duty rate; the general (MFN) rates are 5.3% (3 lines), 6.3% (1 line), 3.3% (1 line).

Imports may also owe Chapter 99 tariffs (Section 232, 301 or 201) depending on origin and date, plus the Merchandise Processing Fee and, by sea, the Harbor Maintenance Fee.

Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission.

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Tariff lines and duty rates

HTS codeDescriptionGeneralSpecialColumn 2Estimate
3925.10.00.00Reservoirs, tanks, vats and similar containers, of a capacity exceeding 300 liters[No. and kg]6.3%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)56%Estimate →
3925.20.00Doors, windows and their frames and thresholds for doors5.3%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)80%
3925.20.00.10Doors and door frames[No., kg]Estimate →
3925.20.00.20Windows and window frames[No., kg]Estimate →
3925.20.00.91Other[No. and kg]Estimate →
3925.30Shutters, blinds (including venetian blinds) and similar articles and parts thereof:
3925.30.10.00Blinds (including venetian blinds)[No.]3.3%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)25%Estimate →
3925.30.50.00Other[No. and kg]5.3%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)80%Estimate →
3925.90.00.00Other[No. and kg]5.3%Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)80%Estimate →

8 lines shown. Statistical suffixes (the last two digits) inherit the rate of the 8-digit subheading above them.

Example: base duty and fees on $10000

For HTS 3925.10.00.00 at the general rate of 6.3%, shipped by ocean, before any Chapter 99 tariffs:

Base duty (6.3%)$630.00
Merchandise Processing Fee (0.3464%, min $34.58)$34.64
Harbor Maintenance Fee (0.125%)$12.50
Duty and fees$677.14

Origin-specific tariffs can multiply this. Run this example from China or from Mexico to see every line.

Special program codes in this heading

A, A*, A+
Generalized System of Preferences (GSP)
AU
U.S.–Australia FTA
BH
U.S.–Bahrain FTA
CL
U.S.–Chile FTA
CO
U.S.–Colombia Trade Promotion Agreement
D
African Growth and Opportunity Act (AGOA)
E, E*
Caribbean Basin Economic Recovery Act
IL
U.S.–Israel FTA
JO
U.S.–Jordan FTA
KR
U.S.–Korea FTA (KORUS)
MA
U.S.–Morocco FTA
OM
U.S.–Oman FTA
P, P+
CAFTA-DR
PA
U.S.–Panama Trade Promotion Agreement
PE
U.S.–Peru Trade Promotion Agreement
S, S+
USMCA (United States–Mexico–Canada Agreement)
SG
U.S.–Singapore FTA

A special rate applies only when the goods qualify under that program's rules of origin and the claim is made at entry.

Frequently asked questions

What is the duty rate for HTS 3925?

Heading 3925 has 5 rate lines. The general (MFN) duty rates are 5.3% (3 lines), 6.3% (1 line), 3.3% (1 line). Products of free trade agreement partners may enter at the special rate, and Column 2 rates apply to countries without normal trade relations. Chapter 99 tariffs can be added on top: calculate the full amount.

Do Section 301, 232 or 201 tariffs apply to HTS 3925?

It depends on the 8- or 10-digit subheading, the country of origin, the entry date and, for Section 232, the metal content. These additional duties are listed in Chapter 99 of the HTS. The free duty calculator checks each program for a given code, origin and date and shows which apply and why.

What fees are added to an import under HTS 3925?

Formal entries pay the Merchandise Processing Fee of 0.3464% of value (minimum $34.58, maximum $670.86 in FY2027). Ocean shipments also pay the Harbor Maintenance Fee of 0.125% of value. See the import duty calculator for how they combine.