Tax calendar
Tax due dates for Texas individuals and small businesses
Federal and Texas due dates from November 20, 2026 to October 15, 2027. Each one quotes the IRS or Texas Comptroller page it comes from, checked October 21, 2026.
November 2026
Texas sales tax report due (monthly filers)
Friday, November 20, 2026 Tax year 2026General rule
Texas businesses with a monthly sales tax permit filing schedule
"For monthly filers, reports are due on the 20th of the month following the reporting month."
Texas Comptroller: Sales TaxThis is the October 2026 report, due on the 20th. If the 20th falls on a weekend or legal holiday, the next working day is the due date.
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January 2027
Fourth estimated tax payment for 2026
Friday, January 15, 2027 Tax year 2026 Form 1040-ES
Individuals and sole proprietors who pay estimated tax
"You don’t have to make the payment due January 15, 2027, if you file your 2026 tax return by February 1, 2027, and pay the entire balance due with your return."
IRS: 2026 Form 1040-ESThe IRS says you can skip this payment if you file your 2026 return by February 1, 2027, and pay the full balance with it.
Related helpTexas sales tax report due (quarterly and yearly filers)
Wednesday, January 20, 2027 Tax year 2026General rule
Texas businesses that file sales tax quarterly or once a year
"Yearly Filers For yearly filers, reports of sales for the previous year are due on Jan. 20."
Texas Comptroller: Sales TaxQuarterly filers also report October to December on Jan. 20. January 20, 2027 is a Wednesday, so no weekend shift applies.
Related helpLast day to pay 2026 Texas property tax without penalty
Sunday, January 31, 2027 Tax year 2026General rule
Texas property owners with a 2026 property tax bill
"Generally, taxpayers have until Jan. 31 of the following year to pay their property taxes. On Feb. 1, penalty and interest charges begin accumulate on most unpaid tax bills."
Texas Comptroller: Property Tax BasicsThe Comptroller states a general January 31 date. January 31, 2027 is a Sunday, so check your tax office for the exact last day.
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February 2027
Forms W-2 due to the SSA and to employees
Monday, February 1, 2027 Tax year 2026 Form W-2
Employers with workers paid wages in 2026
"Mail or electronically file Copy A of Form(s) W-2 and Form W-3 with the SSA by February 1, 2027."
IRS: 2026 General Instructions for Forms W-2 and W-3The same instructions say you must also furnish Forms W-2 to your employees by February 1, 2027.
Related helpForm 941 for the fourth quarter of 2026
Monday, February 1, 2027 Tax year 2026 Form 941General rule
Employers who file Form 941 for payroll taxes
"If any due date for filing falls on a Saturday, Sunday, or legal holiday, you may file your return on the next business day."
IRS: Instructions for Form 941 (Rev. March 2026)The IRS table lists January 31 for the fourth quarter. January 31, 2027 is a Sunday, so the next business day is Monday, February 1. Employers who deposited all tax on time may have more days; see the instructions.
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March 2027
Partnership return (Form 1065) for 2026
Monday, March 15, 2027 Tax year 2026 Form 1065General rule
Partnerships and multi-member LLCs taxed as partnerships
"For calendar-year partnerships, the due date is March 15."
IRS: Instructions for Form 1065This page is the 2025 edition. The same rule applies to 2026 calendar-year returns. March 15, 2027 is a Monday.
Related helpS corporation return (Form 1120-S) for 2026
Monday, March 15, 2027 Tax year 2026 Form 1120-SGeneral rule
S corporations with a calendar tax year
"Generally, an S corporation must file Form 1120-S by the 15 day of the 3rd month after the end of its tax year."
IRS: Instructions for Form 1120-SThis page is the 2025 edition. The rule gives March 15 for a calendar year. March 15, 2027 is a Monday.
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April 2027
2026 individual income tax return (Form 1040)
Thursday, April 15, 2027 Tax year 2026 Form 1040General rule
Individuals and families filing a 2026 federal return
"File Form 1040 or 1040-SR by April 15, 2026. If you file after this date, you may have to pay interest and penalties."
IRS: 2025 Instructions for Form 1040This page is the 2025 edition and shows the 2026 date for 2025 returns. The same April 15 rule gives April 15, 2027 for 2026 returns. That day is a Thursday.
Related helpC corporation return (Form 1120) for 2026
Thursday, April 15, 2027 Tax year 2026 Form 1120General rule
C corporations with a calendar tax year
"Generally, a corporation must file its income tax return by the 15th day of the 4th month after the end of its tax year."
IRS: Instructions for Form 1120This page is the 2025 edition. The 15th day of the 4th month is April 15 for a calendar year. April 15, 2027 is a Thursday.
Related helpBusiness personal property rendition (Tarrant County)
Thursday, April 15, 2027 Tax year 2027 Form 50-144General rule
Tarrant County businesses that own taxable business personal property
"Be sure to file your rendition by April 15 to avoid a 10% penalty on your tax statement."
Tarrant Appraisal District: File Your 2026 Business Personal Property RenditionThis page covers 2026. The district uses April 15 each year. Check TAD for the 2027 rules, such as the filing threshold.
Related helpForm 941 for the first quarter of 2027
Friday, April 30, 2027 Tax year 2027 Form 941General rule
Employers who file Form 941 for payroll taxes
"1. January, February, March March 31 April 30"
IRS: Instructions for Form 941 (Rev. March 2026)The IRS table lists April 30 for the first quarter. April 30, 2027 is a Friday. Employers who deposited all tax on time may have until May 10.
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May 2027
Last day to file a Tarrant County property value protest
Saturday, May 15, 2027 Tax year 2027General rule
Property owners who disagree with their appraised value
"Usual Deadline Not later than May 15 (or within 30 days after a notice of appraised value was mailed to you, whichever is later)."
Tarrant Appraisal District: Protest and Appeal ProceduresMay 15, 2027 is a Saturday. Check TAD for how it treats weekend deadlines. Late protests are allowed for good cause.
Related helpTexas franchise tax annual report
Monday, May 17, 2027 Tax year 2027General rule
Businesses with a Texas franchise tax account
"The annual franchise tax report is due May 15. If May 15 falls on a weekend or holiday, the due date will be the next business day."
Texas Comptroller: Franchise TaxMay 15, 2027 is a Saturday, so the next business day is Monday, May 17, 2027.
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October 2027
Extended deadline for 2026 individual returns
Friday, October 15, 2027 Tax year 2026 Form 4868General rule
Individuals who filed Form 4868 for an extension
"Generally, we can’t extend the due date of your return for more than 6 months (October 15, 2026, for most calendar year taxpayers)."
IRS: Form 4868This page is the 2025 edition. For 2026 returns the same 6 months gives October 15, 2027, a Friday. An extension gives more time to file, not to pay.
Related help
Talk to Wallace CPA
Call the Southlake office and say what you need: a return, an IRS letter, your books or a new business. Have the notice or last year's return nearby if you have one.
