Collin 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 2026; the Collin County Tax Assessor-Collector states tax statements are mailed in October, but the official 2026 sources reviewed do not publish a specific day.
- Payment deadline
- 2026 property tax statements are due upon receipt; the Collin County Tax Assessor-Collector states January 31, 2027 is the deadline to avoid penalties and interest, with statutory postponement rules for late-mailed bills.
- Assessment appeal
- May 15, 2026 for real property, or the later deadline printed on the Notice of Appraised Value; Collin CAD published May 15, 2026 as the 2026 real-property deadline.
Exemptions & appeals
View exemption application (opens in a new tab)Exemption filing
April 30, 2026 for most 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
A qualifying owner age 65 or older may receive the mandatory $60,000 school-district residence-homestead exemption for 2026, any locally adopted over-65 exemption administered by the CAD, and a school-tax ceiling. The owner may also elect the statutory four-installment plan by timely paying one-fourth by January 31, 2027 and the remaining installments by March 31, May 31 and July 31 under Texas Tax Code §§11.13 and 31.031.
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.
More exemption & appeal guidance →