Salt Lake County does not actively enforce a grass-height ordinance at the county level - the Salt Lake County Health Department (SLCoHD) explicitly states it cannot investigate noxious weed or overgrown vegetation complaints. In incorporated areas (Salt Lake City, West Valley City, West Jordan, Sandy, Murray, South Salt Lake, etc.), each municipality enforces its own grass and weed height limit. Salt Lake City Code Sec. 9.16.040 caps weeds and grass at 6 inches; South Salt Lake Code Sec. 8.04 applies the same 6-inch standard.
Salt Lake County's regulatory model for tall grass and overgrown vegetation is unusual: the county itself does not operate an active enforcement program for residential lawns. The Salt Lake County Noxious Weed Program web page is explicit that 'Salt Lake County is unable to actively investigate noxious weed complaints or conduct enforcement activities related to Utah's noxious weed law.' The county provides identification help and technical guidance, but the property owner is the responsible party for maintenance. Enforcement falls to the city in which the property sits. In Salt Lake City, Code Sec. 9.16.040 sets a 6-inch height cap on weeds and grass and requires that cuttings be promptly cleared and removed. Low-growing puncturevine, poison ivy, and bindweed must be removed regardless of height. South Salt Lake Code Sec. 8.04 (Weeds and Nuisance Vegetation) uses the same 6-inch standard. West Valley City, West Jordan, Sandy, Murray, and other Salt Lake County suburbs each have analogous nuisance-weed chapters; West Jordan and West Valley City use a 6-inch standard while a handful of jurisdictions allow up to 8 inches for ornamental grasses. State backstop: Utah Code Sec. 4-17-104 authorizes counties to declare weed infestations a public nuisance after a 5-day notice and to perform the abatement at the owner's expense if the owner does not act. Salt Lake County in practice defers this enforcement to municipal code officers and the SLCoHD, focusing on commercial agricultural noxious weed spread rather than residential lawn maintenance.
In Salt Lake City, a 9.16.040 violation can result in a notice to abate within a stated period (typically 10 days), after which the city may abate and lien the cost to the property under Sec. 9.16.060. Civil penalties under Salt Lake City's nuisance schedule typically begin at $100 for a first violation and escalate. Under Utah Code Sec. 4-17-104, after a 5-day notice the county or municipality may enter the property and bill the owner within 90 days. Failure to pay can become a lien on the property.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Salt Lake County, UT
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Salt Lake County, UT
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See how Salt Lake County's grass height limits rules stack up against other locations.
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