Coughlin v. District of Columbia was a case heard by the United States Supreme Court in which the plaintiff, Coughlin, sought to recover damages from the District of Columbia for the destruction of his property. Coughlin alleged that the District had negligently allowed a fire to spread from a neighboring property to his own, resulting in the destruction of his property. The District argued that it was immune from liability under the doctrine of sovereign immunity. The Supreme Court held that the District was not immune from liability in this case. The Court reasoned that the District had a duty to protect the property of its citizens from fire, and that it had failed to fulfill this duty. The Court further held that the District was liable for the damages caused by the fire, and that Coughlin was entitled to recover damages from the District. In conclusion, the Supreme Court held that the District of Columbia was not immune from liability for the destruction of Coughlin's property, and that Coughlin was entitled to recover damages from the District. This case established that the District of Columbia could be held liable for damages caused by its negligence.

In Coughlin v. District of Columbia, the Supreme Court was asked to decide whether a tax imposed by Congress on certain property in the District of Columbia was constitutional. The majority opinion held that it was not, as it violated Article I Section 8 of the Constitution which grants Congress exclusive power over taxation within its jurisdiction. Justice Field dissented from this decision and argued that while there may be some constitutional issues with respect to how taxes are levied in the District, they should not prevent Congress from exercising its authority under Article I Section 8. He further argued that if such taxes were found unconstitutional then all other forms of taxation would also have to be declared invalid since they too could potentially violate similar provisions in the Constitution. In conclusion, he stated that any doubts about constitutionality should be resolved in favor of upholding Congressional authority rather than striking down laws passed by them.