If you sell on Shopify in the US, you must collect sales tax once you have nexus in a state. Shopify helps calculate tax, but you are responsible for registration, correct Shopify tax settings and filing returns.
What is Shopify Sales Tax?
Shopify sales tax refers to how sales tax is calculated, collected, and reported on transactions made through your Shopify store when selling to customers in the United States.
Sales tax in the US is:
- State-based (not federal)
- Often includes local (city/county) rates
- Dependent on product type (some items are exempt or taxed differently)
Shopify simplifies this by automatically calculating tax at checkout using:
- Customer shipping address
- Product tax category
- State and local tax rates
However, Shopify is only a tool, it does not determine your legal obligation to collect tax.
Why Shopify Sales Tax Matters for Sellers
Many sellers assume Shopify “handles everything.” It doesn’t.
If you ignore your obligations:
- States can audit you years later
- You may owe uncollected tax out of pocket
- Penalties + interest can quickly accumulate
For growing ecommerce brands, sales tax becomes a real financial risk, especially once scaling across multiple states.
When Do You Need to Collect Sales Tax on Shopify?
You must collect sales tax when you establish sales tax nexus in a state. Nexus means a sufficient connection to a state that creates a tax obligation.
Types of Sales Tax Nexus
1. Physical Nexus
Triggered when you have a physical presence in a state:
- Warehouse or inventory (including Shopify Fulfillment Network or Amazon FBA) – even when stored for a short period of time.
- Employees, contractors, or offices
- Third-party logistics (3PL) providers
2. Economic Nexus
Economic nexus is triggered when your sales exceed a certain threshold in a state.
This applies even if:
- You are based in another state
- You have no physical presence
Economic Nexus Thresholds (2026 Overview)
| State | Revenue Threshold | Transaction Threshold |
| California | $500,000 | None |
| Texas | $500,000 | None |
| Florida | $100,000 | None |
| New York | $500,000 | 100 transactions |
Once you exceed a threshold:
- You must register
- Then collect tax via Shopify
- Then file returns regularly
How Shopify Sales Tax Settings Work
Shopify includes built-in tax tools designed to simplify compliance but they require proper configuration.
Key Shopify Sales Tax Features
1. Automatic Tax Calculation
Shopify calculates tax at checkout using real-time rates.
2. Location-Based Rules
Tax is applied based on destination state and local jurisdiction rates
3. Product Tax Categories
Different products may have different tax rules, for example clothing, digital goods and food items
4. Shipping Tax Settings
Some states tax shipping, others don’t. Shopify allows configuration.
Important Limitation of Shopify Tax Settings
Shopify does NOT:
- Register you for sales tax
- Monitor your nexus thresholds
- File or remit taxes
- Handle audits
You must manage compliance separately or use a specialist.
Step-by-Step: How to Set Up Shopify Sales Tax Settings
Step 1: Identify Where You Have Nexus
- Review sales by state
- Check inventory locations
- Monitor thresholds
Step 2: Register for Sales Tax Permits
You must register with each state before collecting tax.
Step 3: Configure Shopify Sales Tax Settings
Go to:
Settings → Taxes and Duties → United States
Then:
- Add states where you’re registered
- Enable tax collection
- Apply automatic tax calculation
Step 4: Configure Product Tax Rules
- Assign tax categories
- Apply exemptions where necessary
Step 5: Set Shipping Tax Rules
- Decide whether shipping is taxable
- Follow state-specific rules
Step 6: Test Your Checkout
Run test orders:
- Check tax accuracy
- Ensure correct states are taxed
Step 7: Ongoing Monitoring
- Track new states where thresholds are met
- Update Shopify tax settings accordingly
- Stay compliant with changing rules
Worked Examples
Example 1: Small Shopify Seller
- Based in California
- $80,000 total US sales
- Below most thresholds
- Only collects tax in California
Example 2: Scaling Ecommerce Brand
- Based in Texas
- $120,000 in Florida sales
Florida threshold = $100,000
Therefore they must:
- Register in Florida
- Update Shopify tax settings
- Collect Florida tax
Example 3: Multi-State Seller
- Inventory in 3 states
- Sales across 20+ states
Likely has:
- Physical nexus in inventory states
- Economic nexus in multiple states
Therefore they need a multi-state compliance strategy.
Common Mistakes Shopify Sellers Make
- Collecting sales tax on Shopify before registering
- Assuming Shopify handles compliance
- Ignoring economic nexus thresholds
- Not updating Shopify tax settings regularly
- Charging incorrect tax due to product misclassification
- Forgetting to file returns
Advanced Tip: Marketplace vs Shopify
If you also sell on:
- Amazon
- Etsy
- Walmart
These platforms may collect tax for you (marketplace facilitator laws)
BUT:
Shopify does NOT and you must remain fully responsible.
FAQs
Do I automatically collect sales tax on Shopify?
No, you must first register and configure Shopify tax settings.
Does Shopify file sales tax returns?
No, Shopify only calculates tax.
Do I need to collect tax in every state?
No, only where you have physical or economic nexus.
What happens if I don’t collect sales tax?
You may owe:
- Back taxes
- Penalties
- Interest
Final Thoughts
Shopify sales tax is not just about turning on a setting, it’s about understanding your obligations and staying compliant as your business grows.
The biggest risk for Shopify sellers isn’t overpaying tax, it’s not collecting it when required.
Getting your Shopify tax settings right from the start ensures:
- Accurate tax collection
- Reduced compliance risk
- Scalable growth across the US
If you’re unsure where you have nexus or how to configure Shopify tax settings correctly, RJM Tax Exemption can help you assess, register, and stay compliant across all US states.
