1 county-level rule, plus city-specific rules for 2 cities in Lehigh County, Pennsylvania.
Verified from official government sources
Lehigh County itself does not enforce a countywide quiet-hours ordinance - under the Pennsylvania Municipalities Planning Code (Act 247 of 1968, 53 P.S. §10101 et seq.), police-power regulation is delegated to municipalities. The City of Allentown (the county seat) prohibits 'unreasonable noise' under Allentown Codified Ordinances Chapter 717, with enforcement by the Allentown Police Department (610-437-7751 non-emergency). Statewide, 18 Pa.C.S. §5503 (disorderly conduct) makes 'unreasonable noise' a summary offense, applicable in any unincorporated area or where local rules are silent.
2 cities in Lehigh County have their own noise ordinances rules. Each link goes to that city's dedicated page with code citations.
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Lehigh County Ordinance Hub →