Texas · County seat: Dallas

Dallas County, TX property taxes (2026)

Verified August 2026 against official county pages — 2 sources linked below.

The four answers
When is payment due?Bills mail from October; pay by January 31. Delinquent February 1, when a 6% penalty plus interest hits.
When does the county reassess?DCAD reappraises all Dallas County property as of January 1 every year. Homesteads with an exemption are capped at 10% annual appraised-value growth.
When is the protest deadline?May 15, 2026 — how to protest
2026 protest deadline May 15, 2026 The later of May 15 or 30 days after your Notice of Appraised Value is delivered

Payment due dates

Tax bills go out October 2026.

PaymentDueDelinquent afterNotes
2026 annual bill January 31, 2027 February 1, 2027 Due on receipt; January 31 is the last day before penalties

If you miss the deadline: 6% penalty plus 1% interest on February 1; penalty rises monthly to 12% by July 1, interest keeps accruing. Accounts sent to collection law firms can be charged up to 20% more.

County tax offices can offer installment agreements — up to 36 months on a residence homestead.

Tax rate

Reassessment schedule

DCAD reappraises all Dallas County property as of January 1 every year. Homesteads with an exemption are capped at 10% annual appraised-value growth.

Cycleannual
Next reassessment year2027
Notices usually mailApril (Notice of Appraised Value)

Think your value is too high?

The protest deadline rule in Dallas County: The later of May 15 or 30 days after your Notice of Appraised Value is delivered. For 2026 that means May 15, 2026. Step-by-step instructions, forms, and where to file: how to protest your Dallas County assessment.

Want a lower bill without arguing value? Check what you can claim: Dallas County exemptions (homestead, senior, veteran).

Common questions

When are Dallas County property taxes due?
Bills mail from October and are due by January 31. On February 1 the balance is delinquent — 6% penalty plus 1% monthly interest immediately.
What was the 2026 Dallas County protest deadline?
May 15, 2026 for most owners — or 30 days after your notice if it mailed late. The 2027 season opens when notices mail next spring; filing with DCAD is free.
How do I protest my DCAD value?
File Form 50-132 through DCAD's online uFile system by the deadline on your notice, take the informal review, and bring comparable sales and repair evidence to the ARB hearing if needed.
What's the homestead exemption worth in Dallas County?
$140,000 off school taxable value statewide, plus local percentage exemptions many Dallas-area entities offer. Homeowners 65+ or disabled get another $60,000 and a school-tax ceiling. File once with DCAD, free.

Who to contact

Appraisal district (values, protests, exemptions) Dallas Central Appraisal District (DCAD)
Tax Office (bills, payments) Dallas County Tax Office

Sources

Every fact on this page comes from an official page. Check them yourself: