Allentown limits grass and weed height to 10 inches. Under Chapter 393 (Neighborhood Improvement), no owner, possessor, or responsible agent of real property or any tract of land may allow grass or weeds to exceed 10 inches in height, and the same 10-inch limit applies to the tree well, sidewalk, curbline, and planter strip abutting the property.
Allentown's grass-height standard is found in Chapter 393, Neighborhood Improvement (the Weeds provisions). The ordinance prohibits any owner, possessor, or responsible agent from allowing grass or weeds to grow taller than 10 inches anywhere on a lot or tract within the City, and it extends the same 10-inch ceiling to the abutting tree well, sidewalk, curbline, and planter strip. It is the owner's, possessor's, or responsible agent's duty to cut the grass or weeds to prevent such growth. As an enforcement efficiency, the public officer is only required to notify a property owner once per calendar year that the property needs cutting before the City or its contractors may cut it. Allentown's separate Property Maintenance Code (Chapter 455) and zoning buffer/landscaping rules (which require buffer strips and parking-lot landscaping to be 'kept clean of debris, rubbish and weeds') reinforce the same expectation that vegetation be kept maintained.
Grass or weeds exceeding 10 inches is a code violation. After a single annual notice, the City or its contractors may cut the vegetation and bill the owner; unpaid abatement costs and administrative fees are typically recovered against the property. Enforcement is handled by the City's neighborhood-improvement/code-enforcement officers.
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