Dallas County, TX — Property Tax Underwriting Guide
Texas · Annual market review
What this means for multifamily underwriting
Dallas County is a major multifamily market with strong rent growth and annual appraisal pressure. Dallas CAD actively values multifamily using income and comparable-sale methods. Budget for ARB protest as a standard operating step.
Transaction type breakdown
Texas appraisal districts appraise property annually as of January 1 using mass-appraisal methods. A transaction may provide relevant market evidence, but ownership transfer does not mechanically reset the assessment to, or toward, purchase price.
Refinance does not change appraised value; value is market-driven regardless of financing activity.
Ownership transfer does not mechanically reset the assessment to, or toward, purchase price; annual January 1 appraisal continues under the district's mass-appraisal process.
Tax appeal information
20.0 mill (2.0% effective) is a mid-county estimate; the combined rate varies by submarket.
Guide review
County guidance last reviewed: July 16, 2026
Tax-rate scope: County-level underwriting placeholder; not a parcel-specific tax rate.
Official sources: Dallas CAD
Combined City of Dallas + Dallas County + Dallas ISD + Dallas College ~2.227% (22.3 mills) per Dallas CAD 2024 tax rates. County-level aggregate; varies by city/ISD — confirm the parcel's overlapping-jurisdiction stack.
Parclio estimates are underwriting guidance, not legal or tax advice. Always verify millage rates, the seller's assessed value, and appeal deadlines with the county assessor or local counsel before relying on these numbers for a credit decision.
Run a tax reset estimate for Dallas County
Use Parclio's estimator to model the post-closing tax bill, NOI impact, DSCR change, and underwriting memo language for your next Dallas County deal.