Martin County, TexasProperty records & tax offices
Links open the listed public-office or service-provider website in a new tab. This directory does not collect payments.
Find the right property record
Use the property portal for ownership and assessed value, the collector for a bill or balance, and the map for parcel location. Have the address, owner name, or parcel number ready.
Tax bills & filing dates
These are the dates and qualifications recorded in the directory. Confirm your tax year and current deadline with the official office and your property’s notice.
- Tax bill mailing
- October 1, 2026 or as soon thereafter as practicable under Texas Tax Code §31.01(a); the official local sources reviewed did not publish a more specific 2026 mailing date.
- Payment deadline
- 2026 Texas property taxes are due upon receipt; the statutory January 31, 2027 deadline is adjusted to Monday, February 1, 2027 because January 31 falls on Sunday under Texas Tax Code §1.06.
- Assessment appeal
- May 15, 2026, or within 30 days after the 2026 Notice of Appraised Value was delivered, whichever is later; the deadline printed on the notice and statutory exceptions control.
Exemptions & appeals
View exemption application (opens in a new tab)Exemption filing
April 30, 2026 for most 2026 residence-homestead, age-65-or-older, disabled, agricultural and other annual applications; qualifying residence-homestead applications may generally be filed late under Texas Tax Code §11.431.
Senior relief
Texas owners age 65 or older or disabled may qualify for the additional residence-homestead exemption, a school-tax ceiling/freeze, and tax deferral; eligibility and documentation are administered by the local appraisal district. A qualifying owner may also use the statutory four-installment payment option when applicable.
Valuation limits
Texas Tax Code §23.23 limits a qualifying residence homestead's 2026 appraised-value increase to the lesser of market value or prior appraised value plus 10% and new improvements. Section 23.231 provides a temporary 20% circuit-breaker cap for qualifying non-residence-homestead real property valued at $5,320,000 or less for tax years 2024–2026; special agricultural, timber, wildlife and other productivity appraisals are governed separately.
For a valuation appeal, use the appeal date in the tax and filing section above. Keep your notice, supporting evidence, and proof of submission.