The S-Corp question is the single most common thing freelancers ask me about. And I get it. The pitch sounds great: elect S-Corp, pay yourself a "reasonable salary," and save thousands on self-employment tax. But the pitch leaves out the compliance costs, the NJ-specific taxes, and the fact that at lower income levels, the savings can be zero or even negative.
I'm going to walk through the actual math at three income levels so you can see exactly where the breakeven point falls. For a broader comparison of LLCs and S-Corps in NJ, I've written a separate post covering entity structure decisions.
How S-Corp Savings Work
As a sole proprietor or single-member LLC, your entire net self-employment income is subject to self-employment (SE) tax: 15.3% on the first $168,600 (2026 wage base) and 2.9% above that. That's the combined Social Security (12.4%) and Medicare (2.9%) tax.
With an S-Corp, you split your business income into two buckets:
- Salary (W-2): Subject to payroll taxes (the same 15.3%, split between employer and employee portions)
- Distributions (profit above salary): Not subject to payroll or SE tax
The savings come from the distribution portion. If you earn $150K and pay yourself a $75K salary, the remaining $75K in distributions avoids the 15.3% SE tax. That's a significant number. But the salary must be "reasonable" for your role and industry. The IRS scrutinizes S-Corp owners who pay themselves suspiciously low salaries.
The Costs of S-Corp Compliance
Here's what the S-Corp pitch doesn't emphasize. Running an S-Corp costs money:
- Payroll processing: You must run payroll for yourself, including withholding, quarterly 941 filings, W-2 preparation, and state payroll tax filings. Cost: $500 to $1,500 per year depending on the provider.
- S-Corp tax return (Form 1120-S): A separate corporate return is required. CPA cost: $1,500 to $2,500 depending on complexity.
- NJ Corporate Business Tax (CBT-100S): NJ S-Corps pay a minimum tax of $500 per year, regardless of income. This is on top of any NJ income tax you owe personally.
- NJ payroll registration: You need to register with NJ for employer withholding, unemployment insurance, disability insurance, and workforce development. More forms, more compliance.
- Bookkeeping: S-Corps should maintain clean books and a separate bank account. Additional bookkeeping cost: $500 to $1,000 per year.
Total annual compliance cost: roughly $3,000 to $4,000 on the low end, potentially $5,000+ if your situation is complex.
Scenario 1: $75K Net Income
As Sole Proprietor
- Net SE income: $75,000
- SE tax (15.3% on 92.35% of net): approximately $10,597
- Total SE tax burden: ~$10,600
As S-Corp
- Reasonable salary: $50,000 (you need to pay yourself enough to be credible for your work)
- Payroll taxes on $50K salary: approximately $7,650 (15.3% combined employer + employee)
- Distribution: $25,000 (no SE tax)
- SE tax savings: $10,600 - $7,650 = $2,950
- Compliance costs: $3,000 to $4,000
Net Savings: Approximately $0 or Negative
Verdict: Not worth it. At $75K, the compliance costs eat the entire SE tax savings. You'd be paying accountants and payroll providers just to break even. Stay as a sole proprietor or single-member LLC.
Scenario 2: $100K Net Income
As Sole Proprietor
- Net SE income: $100,000
- SE tax: approximately $14,130
As S-Corp
- Reasonable salary: $60,000
- Payroll taxes on $60K salary: approximately $9,180
- Distribution: $40,000 (no SE tax)
- SE tax savings: $14,130 - $9,180 = $4,950
- Compliance costs: $3,500 (midpoint estimate)
Net Savings: Approximately $1,400
Verdict: Marginal. You're saving about $1,400 per year. That's real money, but it's not life-changing, and it comes with significantly more administrative complexity. If you value simplicity, it may not be worth it at this level. If your income is growing and you expect to be above $120K next year, it might make sense to get the structure in place now.
Scenario 3: $150K Net Income
As Sole Proprietor
- Net SE income: $150,000
- SE tax: approximately $21,194
As S-Corp
- Reasonable salary: $75,000
- Payroll taxes on $75K salary: approximately $11,475
- Distribution: $75,000 (no SE tax)
- SE tax savings: $21,194 - $11,475 = $9,719
- Compliance costs: $3,500
Net Savings: Approximately $6,200
Verdict: Clear win. At $150K, you're saving over $6,000 per year after compliance costs. The S-Corp structure pays for itself and then some. At higher income levels ($200K+), the savings grow even larger.
NJ-Specific Considerations
CBT-100S Filing
NJ S-Corps must file Form CBT-100S and pay a minimum tax. For most small S-Corps, the minimum is $500. This is a fixed cost that exists regardless of your income level and adds to the compliance burden at lower incomes.
NJ BAIT Election
The NJ Business Alternative Income Tax (BAIT) is an optional election that allows S-Corps and partnerships to pay state income tax at the entity level. The benefit: the BAIT payment is deductible on the federal return, effectively working around the $10,000 SALT cap for business income.
If you're an S-Corp owner in NJ with significant income, the BAIT election can provide additional federal savings beyond the SE tax reduction. But it adds another layer of compliance and requires careful coordination between your entity return and personal return.
NJ Payroll Registration
When you elect S-Corp and start running payroll, you need to register as an NJ employer. This means:
- NJ employer withholding registration
- NJ unemployment insurance (UI) and temporary disability insurance (TDI) registration
- NJ workforce development partnership fund contributions
- Quarterly NJ-927 filing
Your payroll provider handles most of this, but you need to be aware that NJ has additional employer obligations beyond federal requirements.
The Decision Framework
Here's how I think about the S-Corp question with clients:
- Under $80K net: Almost never worth it. Stay sole prop or single-member LLC.
- $80K to $120K net: Evaluate case by case. If your income is stable and growing, it might make sense. If it fluctuates year to year, the fixed compliance costs are harder to justify.
- Over $120K net: Usually worth it. The SE tax savings reliably exceed compliance costs.
- Over $200K net: Strongly worth it. The savings can exceed $10,000 per year.
Other factors that matter: Do you plan to bring on partners or investors? (S-Corps have restrictions.) Do you want to keep things simple? (Sole prop is simpler.) Are you already incorporated as an LLC? (Electing S-Corp status is straightforward with Form 2553.)
Timing the Election
Form 2553 (Election by a Small Business Corporation) must be filed by March 15 for the election to be effective for the current tax year. If you miss that deadline, the election takes effect the following year. Late elections are sometimes accepted with reasonable cause, but don't count on it.
If you're considering S-Corp for 2026, the deadline has already passed (March 15, 2026). You'd be looking at a 2027 effective date unless you qualify for late election relief.
Key Legal and Tax Details
The Watson v. Commissioner (668 F.3d 1008, 8th Cir. 2012) and Radtke v. United States (895 F.2d 1196, 7th Cir. 1990) cases are the primary authorities on S-Corp reasonable compensation. Courts consistently look at comparable salary data, the owner's role, and revenue levels when evaluating whether a salary is reasonable. The NJ CBT-100S minimum tax schedule starts at $375 for gross receipts under $100,000 and increases to $1,500 for gross receipts over $1,000,000. NJ BAIT rates range from 5.675% to 10.9% for pass-through income, providing a federal SALT deduction bypass. The QBI deduction is now permanent under the OBBBA, which means below the income thresholds ($203,000 single, $406,000 MFJ), keeping your S-Corp salary lower can maximize the 20% QBI deduction on pass-through income.
Run the Numbers First
Use the S-Corp Savings Calculator to get a quick estimate based on your income. For a more detailed analysis that includes NJ-specific costs and the BAIT election, I'm a NJ-licensed CPA who works with freelance developers and other self-employed professionals. I'll run the full comparison and tell you whether the math works for your situation.
