272 U.S. 365 (1926)
Euclid v. Ambler Realty Co.
Does a municipal zoning ordinance that restricts land use constitute an unconstitutional deprivation of property without due process of law, thus infringing upon the 14th Amendment rights of property owners?
Zoning ordinances are not unconstitutional if they are not arbitrary or unreasonable and bear a substantial relation to public health, safety, morals, or general welfare.
The Supreme Court upheld the validity of Euclid's zoning ordinance, ruling that it did not violate the Constitution. The Court determined that zoning was a legitimate exercise of the police power of the state to ensure orderly development and protect community health and welfare.
Euclid v. Ambler Realty Co. is significant for law students studying constitutional law as it set a precedent that allows governmental regulation of private property use under the police power doctrine. The decision paved the way for contemporary zoning and urban planning practices, highlighting the balance between private property rights and community interests. It established a judicial deference standard that continues to influence how courts approach cases involving zoning and land use regulations. This ruling is a cornerstone case in property law education, providing an essential understanding of how the state can regulate land use to serve broader societal objectives. It demonstrates the judiciary's role in interpreting the scope of constitutional protections vis-à-vis local autonomy over land use management.