Collin County has no countywide grass height ordinance for unincorporated residential properties beyond the general public nuisance standard in Health & Safety Code 342.004. Cities within the county (Plano, McKinney, Frisco, Allen) typically enforce 12-inch maximum grass height. HOAs fill enforcement gaps in most subdivisions.
Texas counties lack general police power to zone or set property maintenance standards in unincorporated areas. HSC 342.004 allows counties to abate weeds exceeding 48 inches or rubbish constituting a public nuisance only within 5000 ft of city limits. Outside that band, enforcement falls to HOAs, deed restrictions, or neighbor civil action. Incorporated cities within Collin County set their own grass height rules.
Public nuisance abatement: county may mow and lien property for costs plus administrative fees 250-500.
See how Collin County's grass height limits rules stack up against other locations.
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