The tax side
Tarrant Appraisal District and Denton Central Appraisal District — assessed values, taxing entities per address (your district cross-check), exemption filing including homestead. Your county depends on your address; closing documents name it. County tax offices (Tarrant / Denton) — vehicle registration and tax payment.
The school side
The five districts, each with its own attendance-zone tool and enrollment office: Keller ISD, Northwest ISD, Eagle Mountain-Saginaw ISD, Argyle ISD, and Fort Worth ISD (rarely the corridor answer, occasionally the seam). The method uses these tools directly.
The town side
City halls and town sites for Keller, Roanoke, Northlake, Justin, Haslet, Trophy Club, Westlake, Argyle, and the City of Fort Worth — permits, utilities where city-served, park departments, and event calendars.
The state side
Texas DPS (driver licenses), TxDMV (vehicle registration rules), the state's official retail electricity comparison site, and the Texas Comptroller (property-tax system explainers and current exemption rules). For new construction: your builder's warranty documents and the contract's MUD/PID notices are themselves primary sources — file them like it. Compiled August 2026.
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