Check our 2025 Tax Deadlines For C-Corp Startups or Click for your customized tax compliance calendar by startup hub
Mountain View companies have an important tax deadline on January 1st, when the Business License Tax is due. After the standard April 15th state and federal return date, the May 7th 571-L business property tax deadline is the next deadline for Mountain View companies to be aware of.
Delaware Quarterly Estimated Franchise Tax. Pay 20% of your estimated annual amount (if annual amount expected to exceed $5,000).
C Corp Form 1120 Tax Return final due date for Mountain View startups if extension was filed.
Delaware Quarterly Estimated Franchise Tax, Pay 20% of estimated annual amount (if annual amount expected to exceed $5,000).
Click The Links To Learn More About These Filings And 2025 Mountain View Startup Tax Deadlines
Claim Research & Development Tax Credits on Form 941, and file annual Federal Unemployment Tax Act (FUTA) return on Form 940. Use our handy calculator to estimate your possible research and development tax credit.
Delaware Annual Franchise Report filing deadline. Your Mountain View startup will pay a minimum of $400, which increases if you have significant funding.
IRS 30-day automatic extension: provide Form 1095-B and Form 1095C to employees.
571-L Business Property Tax filing for the County of Santa Clara due. Initial deadline.
Deadline to file California Corporation Franchise or Income Tax Return (Form 100). Minimum amount due is $800.
C Corp Form 1120 Tax Return due. The Federal Form 1120 is the U.S. Corporation Income Tax Return, which the IRS has companies use to report their income, losses, credits, etc., and to figure the income tax liability of the corporation. Can extend the deadline to Oct. 15. All Mountain View startups are required to file this Federal form by this deadline unless they file an extension.
Federal Quarterly Estimated Tax 1st installment (first quarter 2024).
File the R&D Tax Credit Form 6765 with your tax return. Can extend to October 15. We strongly recommend working with a qualified CPA to prepare this form in conjunction with your Form 1120 if you are a high-growth startup – if your company is going to be acquired by a major technology company, that company’s CFO will use a strong tax team to do due diligence on this.
Due date for Mountain View startup employees to make contributions to Individual Retirement Accounts (IRAs) for 2023 (Employee Benefits).
Mountain View startups can claim Research & Development Tax Credits on Form 941.
571-L Business Property Tax filing due. Final date to avoid 10% penalty.
Delaware Quarterly Estimated Franchise Tax. Pay 40% of estimated annual amount (if annual amount expected to exceed $5,000).
Federal Quarterly Estimated Tax 2nd installment (second quarter 2024).
Claim Research & Development Tax Credits on Form 941 .
Delaware Quarterly Estimated Franchise Tax. Pay 20% of your estimated annual amount (if annual amount expected to exceed $5,000).
Federal Quarterly Estimated Tax 3rd installment (third quarter 2024).
C Corp Form 1120 Tax Return final due date for Mountain View startups if extension was filed.
Claim your Research & Development Tax Credits on Form 941.
Delaware Quarterly Estimated Franchise Tax, Pay 20% of estimated annual amount (if annual amount expected to exceed $5,000).
Federal Quarterly Estimated Tax 4th installment (fourth quarter 2024).
California Statement of Information due. Pay $25.
Note: The federal tax deadline in 2025 falls on April 15. Most states usually follow the same calendar for state income tax returns. The federal tax deadline in 2025 falls on April 15. The federal extension deadline for 2025 is October 15.
If your Delaware C-Corp Mountain View funded startup needs tax help contact us today!
MOUNTAIN VIEW, STARTUPS AND TAXES
Mountain View is located in the heart of Silicon Valley, a center of technological innovation, with easy access to the San Francisco Bay Area and Northern California. For startups, Mountain View provides a deep venture capital ecosystem, in addition to a large talent pool and established business infrastructure. Mountain View has hosted an Annual Technology Showcase for the last eight years, letting people experience the diversity of its technology community.
The most important taxing authorities for companies in Mountain View are:
Mountain View companies have an important tax deadline on January 1st, when the Business License Tax is due. After the standard April 15th state and federal return date, the 571-L property business property tax deadline is the next deadline for Mountain View companies to be aware of. Additional important dates can be found above.
2024 startup tax deadlines are supplied for reference purposes only, and should not be used when making decisions in 2025 or beyond. Always consult your tax professional, and see our disclaimer below.
Click The Links To Learn More About These Filings And 2024 Mountain View Startup Tax Deadlines
Federal Quarterly Estimated Tax 4th installment (fourth quarter 2023).
Mountain View startups should send 1099s to contractors. Send W2s to employees and e-file 1099-MISC for non-employee compensation with the IRS. Or file Form 8809 for a 30-day extension to file W2s and 1099-MISC for non-employee compensation.
Claim Research & Development Tax Credits on Form 941, and file annual Federal Unemployment Tax Act (FUTA) return on Form 940. Use our handy calculator to estimate your possible research and development tax credit.
IRS 30-day automatic extension: provide Form 1095-B and Form 1095C to employees.
Delaware Annual Franchise Report filing deadline. Your Mountain View startup will pay a minimum of $400, which increases if you have significant funding.
571-L Business Property Tax filing for the County of Santa Clara due. Initial deadline.
Deadline to file California Corporation Franchise or Income Tax Return (Form 100). Minimum amount due is $800.
Due date for Mountain View startup employees to make contributions to Individual Retirement Accounts (IRAs) for 2023 (Employee Benefits).
File the R&D Tax Credit Form 6765 with your tax return. Can extend to October 15. We strongly recommend working with a qualified CPA to prepare this form in conjunction with your Form 1120 if you are a high-growth startup – if your company is going to be acquired by a major technology company, that company’s CFO will use a strong tax team to do due diligence on this.
Federal Quarterly Estimated Tax 1st installment (first quarter 2024).
C Corp Form 1120 Tax Return due. The Federal Form 1120 is the U.S. Corporation Income Tax Return, which the IRS has companies use to report their income, losses, credits, etc., and to figure the income tax liability of the corporation. Can extend the deadline to Oct. 15. All Mountain View startups are required to file this Federal form by this deadline unless they file an extension.
Mountain View startups can claim Research & Development Tax Credits on Form 941.
571-L Business Property Tax filing due. Final date to avoid 10% penalty.
Delaware Quarterly Estimated Franchise Tax. Pay 40% of estimated annual amount (if annual amount expected to exceed $5,000).
Federal Quarterly Estimated Tax 2nd installment (second quarter 2024).
Claim Research & Development Tax Credits on Form 941 .
Delaware Quarterly Estimated Franchise Tax. Pay 20% of your estimated annual amount (if annual amount expected to exceed $5,000).
Federal Quarterly Estimated Tax 3rd installment (third quarter 2024).
C Corp Form 1120 Tax Return final due date for Mountain View startups if extension was filed.
Claim your Research & Development Tax Credits on Form 941.
Delaware Quarterly Estimated Franchise Tax, Pay 20% of estimated annual amount (if annual amount expected to exceed $5,000).
California Statement of Information due. Pay $25.
View tax compliance dates for Austin, Boston, New York City, Palo Alto, San Francisco, Santa Monica, Seattle, Washington DC, Atlanta, Salt Lake City, Mountain View, Chicago, Dallas, Miami, and San Jose
How Much Does a Startup Tax Return Cost? Try Kruze Consulting's Tax Preparation Pricing Tool.
How much can your startup save in payroll taxes? Estimate your R&D tax credit using our free calculator.
Every startup is different and so are its tax compliance needs. This is only a guideline. Please consult your tax professional. IRS Circular 230 Disclaimer: To ensure compliance with IRS Circular 230, any U.S. federal tax advice provided in this communication is not intended or written to be used, and it cannot be used by the recipient or any other taxpayer for the purpose of avoiding tax penalties that may be imposed on the recipient or any other taxpayer. Copyright © Kruze Consulting
Check our 2025 Tax Deadlines For C-Corp Startups or Click for your customized tax compliance calendar by startup hub
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