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Dallas County, TX Historic Preservation: Mills Act Contracts (2026)

Few Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Statute
TX Tax Code 11.24
Mills Act
Does not exist in Texas
City of Dallas
Adopts exemption for landmarks
Apply through
Dallas Central Appraisal District

Summary

California's Mills Act does not exist in Texas. Texas Tax Code Section 11.24 lets cities and counties exempt part or all of designated historic property's appraised value from local taxes if adopted by the taxing unit.

City-specific rules exist: Dallas has its own mills act contracts rules that differ from Dallas County's county-level regulations. If you live in Dallas, check the city-specific page instead.

Sec. 11.24. HISTORIC SITES. (a) The governing body of a taxing unit by official action of the body adopted in the manner required by law for official actions may exempt from taxation part or all of the assessed value of a structure or archeological site and the land necessary for access to and use of the structure or archeological site, if the structure or archeological site is:(1) designated as a Recorded Texas Historic Landmark under Chapter 442, Government Code, or a state archeological landmark under Chapter 191, Natural Resources Code, by the Texas Historical Commission; or(2) designated as a historically or archeologically significant site in need of tax relief to encourage its pr

Source: Dallas County CodeView official code

Full Breakdown

Texas property tax incentives for historic preservation work differently than California's Mills Act contract system. Texas Tax Code Section 11.24 authorizes any city, county, school district, or other taxing unit to grant a partial or full exemption on designated historic and archeological sites. Each taxing entity must affirmatively adopt the exemption. The City of Dallas grants Chapter 11.24 exemptions for designated city Historic Landmarks meeting rehabilitation criteria, typically requiring substantial qualified investment. Dallas County has not broadly adopted Section 11.24 exemptions for general county taxes. Property owners must apply through the Dallas Central Appraisal District after city designation. Federal Historic Tax Credits offer additional rehabilitation incentives.

Violations & Fines

No penalty; failure to maintain rehabilitation standards or selling property may trigger exemption recapture under TX Tax Code provisions.

Frequently Asked Questions

Can I get a Mills Act contract in Dallas County?
No. Mills Act is California-only. Texas uses Tax Code Section 11.24 historic exemptions, which each taxing unit must adopt separately. Check with the City of Dallas.
How much tax can I save?
Varies. Dallas city historic exemptions can substantially reduce city ad valorem taxes for qualifying rehabilitations. County and school district taxes are unaffected unless those entities adopt their own exemption.

Sources & Official References

Other rules in Dallas County

All Dallas County rules

Texas rules heatmap·Compare Dallas County to another location·View the Texas historic preservation overview

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