The Six-Tier Source Hierarchy and Manual-Verification Workflow Behind Every Texas CAD Guide
This page sets out, in detail, where the information on county-appraisal-district.org/ comes from, the order in which sources govern when they conflict, the specific Texas oversight bodies and professional standards we cross-reference, and the eight-step verification workflow every CAD guide passes through before publication. Read it alongside our Editorial Policy.
What is on this page
1. Overview — Why a Tiered Hierarchy
Texas has 254 counties, and each one has a Central Appraisal District (CAD) that values all property for every taxing unit operating in the county — school districts, cities, the county itself, special districts, emergency services districts (ESDs), hospital districts, and municipal utility districts (MUDs). Above the CAD sits the Texas Comptroller of Public Accounts Property Tax Assistance Division (PTAD), which supervises Texas property assessment under Texas Tax Code §5 and §6. Above the entire system is the Texas Property Tax Code itself (Title 1, Subtitle E of the Texas Tax Code), enacted and amended biennially by the Texas Legislature. The systems differ in detail across the 254 counties.
The Texas Central Appraisal District (.gov / official portal)
The CAD’s own website is the primary source for that CAD’s property-search portal, exemption forms, ARB procedures, office hours, address, phone, NOAV mailing schedule, board of directors composition, chief appraiser identity, and current procedures. Quarterly re-verification.
Examples of major Texas CADs we cover: Harris Central Appraisal District (HCAD, Houston), Dallas Central Appraisal District (DCAD), Tarrant Appraisal District (TAD, Fort Worth), Bexar Appraisal District (BCAD, San Antonio), Travis Central Appraisal District (TCAD, Austin), Collin Central Appraisal District (CCAD, Plano/McKinney/Frisco), Denton Central Appraisal District, El Paso Central Appraisal District (EPCAD), Williamson Central Appraisal District (WCAD, Round Rock/Georgetown), Fort Bend Central Appraisal District (FBCAD, Sugar Land/Katy), Galveston Central Appraisal District (GCAD), Montgomery Central Appraisal District (MCAD, Conroe/The Woodlands), Hidalgo County Appraisal District (McAllen/Edinburg), Cameron Appraisal District (Brownsville/Harlingen), Brazoria Central Appraisal District (Pearland), Nueces County Appraisal District (Corpus Christi), Lubbock Central Appraisal District, Bell Central Appraisal District (Temple/Killeen), Brazos Central Appraisal District (College Station/Bryan), McLennan County Appraisal District (Waco), Smith County Appraisal District (Tyler), Comal Appraisal District (New Braunfels), Hays Central Appraisal District (San Marcos/Kyle), Ellis Appraisal District (Waxahachie), Johnson County Central Appraisal District (Cleburne/Burleson), and the remaining 229 Texas CADs covering all 254 counties.
Texas Comptroller of Public Accounts Property Tax Assistance Division (PTAD)
The state agency that supervises Texas CADs under Tex. Tax Code §5. Authoritative for the Texas ARB Manual, Methods and Assistance Program (MAP) reviews, the biennial Property Value Study (PVS) under §5.10, and statewide procedural standards for Texas property tax administration.
The Texas Comptroller PTAD publishes the authoritative references we work to: the Texas Property Tax Code Reference, the ARB Manual (procedures, evidence rules, hearing standards), MAP review reports (the biennial reviews of each CAD’s appraisal practices), the Property Value Study (PVS) reports, the Manual on Property Value Studies (MOPVS), Methods of Mass Appraisal training, and Property Tax Today (the PTAD newsletter).
The Texas Property Tax Code
Tex. Tax Code Title 1, Subtitle E — the Property Tax Code. The statutory framework that governs all Texas property assessment. Cited as authority on every Texas-specific procedural and substantive question.
Key sections we cite throughout the site:
- Chapter 5 and 6 — Texas Comptroller PTAD supervision authority; §6.03 CAD board of directors; §6.05 chief appraiser; §6.41 Appraisal Review Board
- Chapter 11 — Taxable property and exemptions, including §11.13 (residence homestead), §11.131 (100% disabled veteran), §11.22 (partial disabled veteran), §11.42 (over-65)
- Chapter 21 — Taxable situs
- Chapter 22 — Renditions and reports
- Chapter 23 — Appraisal methods and procedures, including §23.01 (general standards), §23.23 (10% homestead cap), §23.51-§23.57 (agricultural-use 1-d-1 open-space valuation), §23.71-§23.78 (timber-use valuation), §23.521 (wildlife management)
- Chapter 25 — Appraisal roll, including §25.18 (periodic reappraisal at least every three years) and §25.19 (Notice of Appraised Value)
- Chapter 26 — Assessment
- Chapter 31 — Collections
- Chapter 33 — Delinquency, including §33.06 (over-65 deferral)
- Chapter 41 — Local review (ARB protests), including §41.41 (right of protest), §41.44 (protest deadline — May 15 or 30 days after notice), §41.45 (ARB hearings), §41.71 (evening hearings)
- Chapter 41A — Binding arbitration of ARB decisions for qualifying properties
- Chapter 42 — Judicial review of ARB decisions, district court appeals
IAAO Professional Standards and USPAP
Professional valuation standards used for context on what constitutes professional CAD practice.
- International Association of Assessing Officers (IAAO) — sets professional standards for mass appraisal and assessment administration. Standards we reference include the IAAO Standard on Mass Appraisal of Real Property, Standard on Verification and Adjustment of Sales, Standard on Ratio Studies, Standard on Property Tax Policy, Standard on Public Relations, and Standard on Professional Designations.
- Uniform Standards of Professional Appraisal Practice (USPAP) — administered by the Appraisal Foundation. Sets ethics and performance standards for individual appraisers, including those working for or contracted by Texas CADs.
- Appraisal Subcommittee (ASC) — the federal body that supervises state appraiser regulatory programs (asc.gov) under Title XI of FIRREA. In Texas, the state regulator is TALCB (Texas Appraiser Licensing and Certification Board).
- National Association of Counties (NACo) — referenced for county-level governance context.
TAAD and TAAO Texas-Specific Professional Publications
Texas Association of Appraisal Districts (TAAD) and Texas Association of Assessing Officers (TAAO) — Texas-specific professional publications, training materials, and guidance documents. Used for context on Texas CAD practice and Texas-specific procedural conventions.
Established Real Estate and Property-Tax Publications
Established real estate and property-tax publications — background context only, never as the sole source for current portal URLs, exemption procedures, or ARB deadlines.
8. Verification Workflow — Eight Steps Before Anything Goes Live
- Identify the right authoritative source. The CAD’s own .gov / official portal, plus the Texas Comptroller PTAD, plus the relevant section of the Texas Property Tax Code.
- Verify URLs are live. A human editor clicks every link before publication.
- Walk through all three property search methods. An editor performs real property searches on the CAD’s portal — by address, by owner name, by property ID — to confirm the step-by-step description matches the current interface.
- Cross-check exemption procedures and deadlines. Against the CAD’s published exemption forms and Texas Comptroller PTAD reference materials.
- Cross-check ARB protest procedure. Against the CAD’s protest forms, the Texas Property Tax Code §41 framework, and the current PTAD ARB Manual.
- Verify the GIS / parcel-map URL where one exists. Most major-county Texas CADs have integrated GIS.
- Dial-test the CAD’s main phone number. Quarterly cycle.
- Editor sign-off. A second editor reviews end-to-end, including a fresh check on the FCRA non-CRA notice and the verify with CAD before relying caveat.
This is the core editorial discipline. We do not auto-scrape. We do not pull from third-party data brokers. We do not generate content from a stale snapshot of the web. Every detail is human-verified before publication and re-verified on a quarterly cycle.
9. Sources We Avoid
- People search aggregators that combine public records with personal-information profiles
- FCRA-prohibited tenant-screening operations that market Texas property records as a substitute for CRA-issued reports
- Paid-access services for free CAD records — operations charging for what the CAD provides free
- Unlicensed property tax representation services operating in violation of Tex. Occ. Code Ch. 1152
- Title-broker operations not licensed in Texas — title work is licensed activity regulated by the Texas Department of Insurance
- Foreclosure-list aggregators that misrepresent the official Texas tax-sale process under Tex. Tax Code Ch. 33
- Operations claiming affiliation with Texas CADs or the Texas Comptroller when they have none
- Anonymous user-generated forums as standalone authority on current procedures
- Other property-records aggregator sites — we work to the original Texas CAD, not to other aggregators
- Outdated ARB Manual editions — we work to the current PTAD-published edition
10. FCRA Framework Reminder
Information on the site is general educational content drawn from authoritative public Texas sources. It is not a consumer report under the Fair Credit Reporting Act (15 U.S.C. ยง 1681 et seq.) and county-appraisal-district.org/ is not a Consumer Reporting Agency. Do not use any content on this site to make employment, credit, insurance, tenant-screening, or any other FCRA-permissible-purpose decisions. Public availability of Texas CAD property records does not exempt a user from FCRA liability when those records are used for FCRA-regulated decisions.
11. Texas Confidentiality Protections
Texas law protects certain categories of property owners from public disclosure of certain identifying information in CAD records. Tex. Gov’t Code §552.117 protects home address information of various categories of officials (judges, peace officers, prosecutors, jurors, and others). The Texas Office of the Attorney General Address Confidentiality Program (ACP) protects survivors of family violence, sexual assault, stalking, and trafficking. Our editorial content respects these protections.
12. AI and Automation Policy
We use software tools for spell-check, grammar review, and routine drafting assistance. However, no editorial fact, URL, exemption deadline, ARB procedure, address, phone number, or walkthrough step on county-appraisal-district.org/ is published from AI without human verification against the CAD's own published page. Every CAD guide passes through human editorial review, including the eight-step verification process. We do not auto-generate or auto-publish CAD guides.
Have a Sourcing Question?
Email us with subject line Editorial question or Sourcing question. We are happy to walk you through the source hierarchy for any specific Texas CAD guide.
info@county-appraisal-district.org