ADC & Co. Important Deadline Tracker

Deadline / DateTitleCounterparyPenaltiesLink to additional details
Tuesday, April 15, 2025Federal Quarterly Estimated Taxes 1st EstInteral Revenue Servicesee tax agency informationhttps://www.irs.gov/businesses/small-businesses-self-employed/estimated-taxes
Sunday, June 15, 2025Federal Quarterly Estimated Taxes 2nd EstInteral Revenue Servicesee tax agency informationhttps://www.irs.gov/businesses/small-businesses-self-employed/estimated-taxes
Monday, September 15, 2025Federal Quarterly Estimated Taxes 3rd EstInteral Revenue Servicesee tax agency informationhttps://www.irs.gov/businesses/small-businesses-self-employed/estimated-taxes
Thursday, January 15, 2026Federal Quarterly Estimated Taxes 4th EstInteral Revenue Servicesee tax agency informationhttps://www.irs.gov/businesses/small-businesses-self-employed/estimated-taxes
see tax agency informationState Quarterly Estimated TaxesFranchise Tax Board, Nevada Dept of Taxationsee tax agency informationhttps://www.ftb.ca.gov/file/when-to-file/due-dates-business.html
Tuesday, April 15, 2025Annual Federal Income Tax FilingsInteral Revenue Servicesee tax agency informationhttps://www.irs.gov/businesses
Tuesday, April 15, 2025Estate or Trust Return FilingFranchise Tax Board, Nevada Dept of Taxationsee tax agency informationhttps://www.ftb.ca.gov/file/personal/filing-situations/estates-and-trusts/index.html
Friday, March 21, 2025Beneficial Ownership Information FilingFinCENNo penalty until future rulinghttps://fincen.gov/boi
Friday, February 28, 20251099-NEC / 1099-MISC Paper FilingInteral Revenue Service$60 to $660 fee depending on the business size and time of filinghttps://www.irs.gov/instructions/i1099mec
Monday, March 31, 20251099-NEC / 1099-MISC E FilingInteral Revenue Service$60 to $660 fee depending on the business size and time of filinghttps://www.irs.gov/instructions/i1099mec
Friday, January 31, 2025W-2 Filing & Payroll TaxInteral Revenue Service$60 to $660 fee depending on the business size and time of filinghttps://www.irs.gov/forms-pubs/about-form-w-2
Wednesday, April 30, 2025State Sales & Use Tax Deadline (CA) 1st EstCalifornia Department of Tax and Fee Administration10% or morehttps://www.cdtfa.ca.gov/taxes-and-fees/sutprograms.htm
Thursday, July 31, 2025State Sales & Use Tax Deadline (CA) 2nd EstCalifornia Department of Tax and Fee Administration10% or morehttps://www.cdtfa.ca.gov/taxes-and-fees/sutprograms.htm
Friday, October 31, 2025State Sales & Use Tax Deadline (CA) 3rd EstCalifornia Department of Tax and Fee Administration10% or morehttps://www.cdtfa.ca.gov/taxes-and-fees/sutprograms.htm
Saturday, January 31, 2026State Sales & Use Tax Deadline (CA) 4th EstCalifornia Department of Tax and Fee Administration10% or morehttps://www.cdtfa.ca.gov/taxes-and-fees/sutprograms.htm
Saturday, January 31, 2026State Sales & Use Tax Deadline (CA) Due date when paying annuallyCalifornia Department of Tax and Fee Administration10% or morehttps://www.cdtfa.ca.gov/taxes-and-fees/sutprograms.htm
Last day of the following monthState Sales & Use Tax Deadline (CA) Due date when paying monthlyCalifornia Department of Tax and Fee Administration10% or morehttps://www.cdtfa.ca.gov/taxes-and-fees/sutprograms.htm
Saturday, November 1, 2025Property Tax Deadline ( Sonoma County ) 1st installmentCounty of Sonoma10%https://sonomacounty.ca.gov/administrative-support-and-fiscal-services/auditor-controller-treasurer-tax-collector/divisions/revenue-accounting/property-tax-faqs
Sunday, February 1, 2026Property Tax Deadline ( Sonoma County ) 2nd installmentCounty of Sonoma10%https://sonomacounty.ca.gov/administrative-support-and-fiscal-services/auditor-controller-treasurer-tax-collector/divisions/revenue-accounting/property-tax-faqs
Saturday, November 1, 2025Property Tax Deadline ( Napa County ) 1st installmentCounty of Napa10% + $10 feehttps://www.countyofnapa.org/1264/Property-Taxes
Sunday, February 1, 2026Property Tax Deadline ( Napa County ) 2nd installmentCounty of Napa10% + $10 feehttps://www.countyofnapa.org/1264/Property-Taxes
Saturday, November 1, 2025Property Tax Deadline ( Marin County ) 1st installmentCounty of Marin10% + $20 feehttps://www.marincounty.org/depts/ar/property-information/property-tax-bills
Sunday, February 1, 2026Property Tax Deadline ( Marin County ) 2nd installmentCounty of Marin10% + $20 feehttps://www.marincounty.org/depts/ar/property-information/property-tax-bills
Monday, August 18, 2025Property Tax Deadline (see link for more details)Clark CountyScales with more deliquencyhttps://www.clarkcountynv.gov/government/elected_officials/county_treasurer/real-property-tax-information?utm
Monday, August 18, 2025Property tax Deadline (Washoe County) 1st installmentWashoe County10 day grace period before penalty, see county resource for detailshttps://www.washoecounty.gov/treas/Billing.php?
Monday, October 6, 2025Property tax Deadline (Washoe County) 2nd installmentWashoe County10 day grace period before penalty, see county resource for detailshttps://www.washoecounty.gov/treas/Billing.php?
Monday, January 5, 2026Property tax Deadline (Washoe County) 3rd installmentWashoe County10 day grace period before penalty, see county resource for detailshttps://www.washoecounty.gov/treas/Billing.php?
Monday, March 2, 2026Property tax Deadline (Washoe County) 4th installmentWashoe County10 day grace period before penalty, see county resource for detailshttps://www.washoecounty.gov/treas/Billing.php?

*Due dates which fall on a weekend are extended to the next business day.

*This information is not intended to be tax, legal, financial or compliance advice. Be sure to consult a tax professional when making tax decisions.


ADC & Co. Banking Holiday Tracker

Wednesday, January 1, 2025US Banking Holiday – New Year’s Day 2025
Monday, January 20, 2025US Banking Holiday – Martin Luther King Jr Day
Monday, February 17, 2025US Banking Holiday – President’s Day
Monday, May 26, 2025US Banking Holiday – Memorial Day
Thursday, June 19, 2025US Banking Holiday – Juneteenth National Independence Day
Friday, July 4, 2025US Banking Holiday – Independence Day
Monday, September 1, 2025US Banking Holiday – Labor Day
Monday, October 13, 2025US Banking Holiday – Columbus Day
Tuesday, November 11, 2025US Banking Holiday – Veterans Day
Thursday, November 27, 2025US Banking Holiday – Thanksgiving Day
Thursday, December 25, 2025US Banking Holiday – Christmas Day
Thursday, January 1, 2026US Banking Holiday – New Year’s Day 2026
Federal Reserve System Calendarhttps://www.federalreserve.gov/aboutthefed/k8.htm