Texas Local Government Code 250.008 lets counties regulate noise only in unincorporated areas. Dallas County's Sheriff enforces state Penal Code 42.01 disorderly conduct (unreasonable noise) for loud-party calls outside city limits. Inside cities, municipal noise ordinances and police handle loud parties.
Texas Local Government Code 250.008 grants counties limited noise authority in unincorporated areas, conditioned on commissioner court adoption. Dallas County has not adopted a comprehensive countywide noise ordinance. Loud-party calls in unincorporated Dallas County are handled by the Dallas County Sheriff under Penal Code 42.01(a)(5), which makes unreasonable noise (typically over 85 dB or audible at the property line) disorderly conduct, a Class C misdemeanor. Cities like Dallas (City Code 30-3), Irving, Garland, Plano, and Richardson run their own noise ordinances with quiet hours (typically 10 pm to 7 am) and decibel limits enforced by city police. Dallas County Sheriff coordinates with city departments on cross-jurisdiction calls.
Penal Code 42.01(a)(5) unreasonable noise is a Class C misdemeanor with fines up to $500. City noise ordinances in Dallas County typically charge $200 to $2,000 per offense, escalating with repeat violations. Habitual nuisance properties can face civil abatement.
See how Irving's loud party ordinance rules stack up against other locations.
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