No county car alarm ordinance. TX Penal Code Section 42.01 applies if alarm noise is unreasonable. No duration limits, no auto-shutoff requirements at the county level. State noise threshold of 85 dB applies after officer notice.
There is no county car alarm ordinance in unincorporated Dallas County. Texas counties cannot enact noise regulations. A persistently sounding car alarm could potentially be addressed under TX Penal Code Section 42.01 if it constitutes unreasonable noise, but there are no specific duration limits or auto-shutoff requirements at the county level. Many incorporated cities set auto-shutoff requirements (typically 5-10 minutes), but no such rule exists in unincorporated Dallas County. HOA covenants may address excessive alarm noise.
TX Penal Code Section 42.01 if unreasonable: Class C misdemeanor, fine up to $500.
Dallas County, TX
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See how Dallas County's car alarm limits rules stack up against other locations.
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