If you're a business owner in Victorville, Apple Valley, Hesperia, or anywhere in the High Desert, two critical IRS deadlines can't be missed: September 15 and October 15. Missing these deadlines can result in penalties, interest, and unnecessary stress. Understanding what's due on each date can help you stay compliant and avoid costly mistakes.
⚠️ Critical Deadlines
September 15: Third quarter estimated tax payments due
October 15: Extended individual tax return deadline
Missing these deadlines can result in penalties and interest. If you need help meeting these deadlines in the High Desert area, contact us immediately!
📅 Need Help Meeting These Deadlines?
Our tax professionals in Apple Valley and Victorville can help you calculate estimated tax payments, file extensions, and ensure you meet all deadlines. Don't wait until it's too late—call us today!
Call (760) 249-7680September 15: Third Quarter Estimated Tax Payment
September 15 is the deadline for the third quarter estimated tax payment. This is critical for High Desert business owners who are self-employed or have income outside of W-2 wages.
Who Must Pay Estimated Taxes?
You must pay estimated taxes if:
- You're self-employed
- You have income from a business, partnership, or S-Corporation
- You have rental income
- You have significant investment income
- You expect to owe $1,000 or more in taxes (after withholding and credits)
- Your withholding won't cover at least 90% of your current year tax liability
How to Calculate Estimated Tax Payments
For High Desert business owners, calculate estimated taxes based on:
- Your expected annual income
- Your expected deductions and credits
- Your prior year's tax liability
- Your current year's income to date
Payment Options
- Online: IRS.gov/payments (Electronic Federal Tax Payment System)
- By Phone: 1-800-555-4477
- By Mail: Use Form 1040-ES voucher
- Mobile App: IRS2Go app
💡 High Desert Business Owner Tip
Many business owners in Victorville, Apple Valley, and Hesperia underestimate their estimated tax payments. If you're unsure how much to pay, our tax professionals can help you calculate the correct amount and avoid underpayment penalties.
Penalties for Missing September 15 Deadline
If you miss the September 15 deadline:
- Underpayment penalty applies
- Interest accrues on unpaid amounts
- Penalty increases the longer you wait
- Can affect your ability to get payment plans
October 15: Extended Tax Return Deadline
October 15 is the final deadline for filing your tax return if you filed for an extension by April 15.
Who Needs to File by October 15?
- Anyone who filed Form 4868 (extension request) by April 15
- Those who need more time to gather documents
- Business owners with complex returns
- Those waiting for K-1 forms or other documents
What Happens If You Miss October 15?
If you miss the October 15 deadline:
- Failure to file penalty applies (5% per month, up to 25%)
- Failure to pay penalty applies (0.5% per month)
- Interest accrues on unpaid taxes
- IRS may start collection actions
- Can't get another extension
⚠️ Important: October 15 is Final
Unlike April 15, you cannot get another extension beyond October 15. If you haven't filed by this date, you'll face penalties. If you're in Victorville, Apple Valley, or Hesperia and need help filing before October 15, contact us immediately.
Special Considerations for High Desert Business Owners
Self-Employed Business Owners
If you're self-employed in the High Desert:
- You must pay estimated taxes quarterly
- September 15 is your third quarter payment
- Include self-employment tax in calculations
- Consider business deductions when calculating
S-Corporation and Partnership Owners
If you own an S-Corporation or Partnership:
- You may receive K-1 forms that affect your return
- Estimated tax payments may be required
- October 15 deadline applies to your individual return
- Business return may have different deadlines
LLC Owners
If you own an LLC:
- Tax treatment depends on how your LLC is taxed
- Single-member LLCs report on Schedule C
- Multi-member LLCs may file partnership returns
- Estimated tax requirements vary
How to Avoid Penalties
For September 15 (Estimated Taxes)
- Pay at least 90% of current year tax liability
- Pay 100% of prior year tax liability (110% if AGI over $150,000)
- Pay in four equal quarterly installments
- Adjust payments if income changes
For October 15 (Tax Return)
- File your return on time
- Pay any tax due with the return
- Request a payment plan if you can't pay in full
- Don't ignore the deadline
Planning Ahead for High Desert Business Owners
Quarterly Planning
- Review income quarterly
- Adjust estimated payments as needed
- Track business expenses throughout the year
- Work with a tax professional for planning
Year-End Planning
- Review your tax situation before year-end
- Make year-end estimated payment if needed
- Consider tax-saving strategies
- Plan for the following year
Local Resources for High Desert Business Owners
- San Bernardino IRS Office: 290 North D Street, San Bernardino, CA 92401
- IRS Phone: 1-800-829-1040
- EFTPS: EFTPS.gov for online payments
- Local Tax Professionals: In Apple Valley, Victorville, and Hesperia
📞 Don't Miss These Deadlines!
If you're a business owner in Victorville, Apple Valley, Hesperia, or anywhere in the High Desert, don't let these critical deadlines catch you off guard. Our tax professionals can help you calculate estimated tax payments, file extensions, and ensure you meet all deadlines. Call us today or request a free consultation!
Call (760) 249-7680Conclusion
September 15 and October 15 are critical deadlines for High Desert business owners in Victorville, Apple Valley, and Hesperia. September 15 requires third quarter estimated tax payments for self-employed individuals and business owners, while October 15 is the final deadline for filing extended tax returns.
Missing these deadlines can result in costly penalties and interest. If you need help calculating estimated tax payments, filing extensions, or meeting these deadlines, our tax professionals in Apple Valley and Victorville are here to help. We can ensure you stay compliant and avoid unnecessary penalties.
