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Verified May 2026

2026 Sales Tax Filing Deadlines

Missing a sales tax deadline results in immediate penalties. Find your exact state due dates based on your assigned filing frequency.

State Monthly Due Date Quarterly Due Date Annual Due Date Official Portal
Alabama 20th of following month Last day of following month Jan 31 N/A
Alaska 20th of following month Last day of following month Jan 31 N/A
Arizona 20th of following month Last day of following month Jan 31 N/A
Arkansas 20th of following month Last day of following month Jan 31 N/A
California 20th of following month Last day of following month Jan 31 N/A
Colorado 20th of following month Last day of following month Jan 31 N/A
Connecticut 20th of following month Last day of following month Jan 31 N/A
Delaware 20th of following month Last day of following month Jan 31 N/A
District of Columbia 20th of following month Last day of following month Jan 31 N/A
Florida 20th of following month Last day of following month Jan 31 N/A
Georgia 20th of following month Last day of following month Jan 31 N/A
Hawaii 20th of following month Last day of following month Jan 31 N/A
Idaho 20th of following month Last day of following month Jan 31 N/A
Illinois 20th of following month Last day of following month Jan 31 N/A
Indiana 20th of following month Last day of following month Jan 31 N/A
Iowa 20th of following month Last day of following month Jan 31 N/A
Kansas 20th of following month Last day of following month Jan 31 N/A
Kentucky 20th of following month Last day of following month Jan 31 N/A
Louisiana 20th of following month Last day of following month Jan 31 N/A
Maine 20th of following month Last day of following month Jan 31 N/A
Maryland 20th of following month Last day of following month Jan 31 N/A
Massachusetts 20th of following month Last day of following month Jan 31 N/A
Michigan 20th of following month Last day of following month Jan 31 N/A
Minnesota 20th of following month Last day of following month Jan 31 N/A
Mississippi 20th of following month Last day of following month Jan 31 N/A
Missouri 20th of following month Last day of following month Jan 31 N/A
Montana 20th of following month Last day of following month Jan 31 N/A
Nebraska 20th of following month Last day of following month Jan 31 N/A
Nevada 20th of following month Last day of following month Jan 31 N/A
New Hampshire 20th of following month Last day of following month Jan 31 N/A
New Jersey 20th of following month Last day of following month Jan 31 N/A
New Mexico 20th of following month Last day of following month Jan 31 N/A
New York 20th of following month Last day of following month Jan 31 N/A
North Carolina 20th of following month Last day of following month Jan 31 N/A
North Dakota 20th of following month Last day of following month Jan 31 N/A
Ohio 20th of following month Last day of following month Jan 31 N/A
Oklahoma 20th of following month Last day of following month Jan 31 N/A
Oregon 20th of following month Last day of following month Jan 31 N/A
Pennsylvania 20th of following month Last day of following month Jan 31 N/A
Puerto Rico 20th of following month Last day of following month Jan 31 N/A
Rhode Island 20th of following month Last day of following month Jan 31 N/A
South Carolina 20th of following month Last day of following month Jan 31 N/A
South Dakota 20th of following month Last day of following month Jan 31 N/A
Tennessee 20th of following month Last day of following month Jan 31 N/A
Texas 20th of following month Last day of following month Jan 31 N/A
Utah 20th of following month Last day of following month Jan 31 N/A
Vermont 20th of following month Last day of following month Jan 31 N/A
Virginia 20th of following month Last day of following month Jan 31 N/A
Washington 20th of following month Last day of following month Jan 31 N/A
West Virginia 20th of following month Last day of following month Jan 31 N/A
Wisconsin 20th of following month Last day of following month Jan 31 N/A
Wyoming 20th of following month Last day of following month Jan 31 N/A
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Weekend & Holiday Rule: If a due date falls on a weekend or a state/federal holiday, the deadline is generally pushed to the next business day.

Sitewide Helper

Sales Tax Calculator & Compliance Helper

One compact utility block for tax calculation, reverse calculation, ZIP lookup, nexus checks, exemption guidance, and product taxability.

Advanced Sales Tax Calculator

Estimate tax with shipping, discounts, and exempt subtotal support.

Live Tool
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Rate applied

0.000%

Selected location

Sales tax

$0.00

Taxable base:

Total due

$0.00

Effective rate:

Rounded to the nearest cent. Tax treatment of shipping and discounts can vary by state.

Reverse Sales Tax Calculator

Work backward from the total paid to estimate the pre-tax price and tax amount.

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Pre-tax price

$0.00

Tax amount

$0.00

ZIP / City Sales Tax Lookup

Search by ZIP code, city, county, or state to find current combined rates and local breakdowns.

Economic Nexus Checker

Compare your state-specific sales activity against current nexus thresholds using existing site data.

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Nexus estimate

Should I Collect Sales Tax?

A fast intent-matching decision tree for businesses, marketplace sellers, and remote sellers.

Do you sell taxable goods or taxable services?

Do you sell into states outside your home state?

Have you crossed a nexus threshold in a destination state?

Do marketplaces handle most of your sales?

Do you have physical presence in the state?

Decision

Exemption Certificate Finder

Point buyers and sellers toward the right official portal and documentation checklist.

Certificate path

Typical checklist

Product Taxability Checker

Version 1 uses the categories already modeled in the current database and always links back to official verification.

State-aware estimate