Texas · Castro County · Local exemptions · Updated Oct 2026
Castro County, TX property tax exemptions (2026)
The property tax breaks that are set or run locally in Castro County, on top of Texas’s statewide rules: what each is worth here, who qualifies, where to apply and the deadline.
What is different in Castro County
Castro County (General) itself grants $3,000 off for age 65+ (2025). Dimmitt ISD, the largest school district, gives only the state school exemptions ($140,000; +$60,000 for 65+/disabled). 0 of the 15 taxing units listed offer a local homestead exemption; details for every unit are in the table.
Apply at
Castro Appraisal District
Phone
806-647-5131
Local breaks
Local age 65 or older exemption (Castro County (General))
Local age 65 or older exemption (Castro County (General))
$3,000 off the home's value for Castro County (General) taxes
Set by
county
Tax year
2025
Who qualifies
Homeowner age 65 or older (a surviving spouse 55 or older may keep it)
How to apply
File Form 50-114 with the county appraisal district (no fee); one application covers every taxing unit that taxes your home. Attach a copy of your Texas driver's license or ID showing the home's address.
No later than one year after you turn 65 or become disabled (Tax Code §11.43(k)); late applications up to two years after the delinquency date (§11.431).
Renewal
One-time; you do not reapply each year unless the appraisal district asks you to.
Roughly what an exemption could save you a year: the value it takes off, times your tax rate.
Eligibility finder for Castro County
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Document checklist for Castro County
Pick the breaks you plan to apply for. You get a checklist of forms, documents, steps and deadlines to print or keep on your phone.
Questions about property tax exemptions in Castro County
What property tax exemptions are there in Castro County?
Castro County (General) itself grants $3,000 off for age 65+ (2025). Dimmitt ISD, the largest school district, gives only the state school exemptions ($140,000; +$60,000 for 65+/disabled). 0 of the 15 taxing units listed offer a local homestead exemption; details for every unit are in the table. Local breaks here: Local age 65 or older exemption (Castro County (General)).
Where do I apply for a property tax exemption in Castro County?
Castro Appraisal District Phone: 806-647-5131 Address: 204 S.E. 3rd St. (Rear), Dimmitt, TX 79027-2612. Also: Texas Comptroller, Property Tax Assistance Division, which state rules and forms.
When is the deadline to apply in Castro County?
Local age 65 or older exemption (Castro County (General)): No later than one year after you turn 65 or become disabled (Tax Code §11.43(k)); late applications up to two years after the delinquency date (§11.431).
Do I have to reapply every year in Castro County?
Local age 65 or older exemption (Castro County (General)): One-time; you do not reapply each year unless the appraisal district asks you to.
Do Texas’s statewide exemptions apply in Castro County too?
Yes. The statewide breaks on our Texas page apply here as well, for example General Residence Homestead Exemption, Age 65 or Older or Disabled Residence Homestead Exemption and School Tax Ceiling (tax freeze) for Age 65 or Older or Disabled. This page adds what Castro County sets or runs itself.
Good to know in Castro County
Castro County gives a local $3,000 over-65 exemption; no county, city or special district in Castro County has adopted a tax ceiling (freeze), according to the CAD's 2025 sheet.
Median effective tax rate for Castro County: U.S. Census Bureau, American Community Survey, 2020–2024 5-year estimates, county figures as published by Tax Foundation. The rate is property taxes paid divided by home value.