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Beginning with Colorado and Washington State in 2012, longstanding bans on the sale, possession, and use of marijuana for recreational purposes have been overturned in nine states and the nation's capital. Consistent with the logic of routine activity theory and broken windows theory, critics of legalized marijuana argue that dispensaries are magnets for crime, attracting criminal offenders to the area with large sums of cash and valuable goods. The current study addresses this possibility by examining the effects of both medical and recreational marijuana dispensaries on yearly crime rates in N = 3981 neighborhood grid cells in Denver, Colorado, 2012–2015. Estimates from Bayesian spatiotemporal Poisson regression models indicate that, except for murder and auto theft, both types of dispensaries are associated with statistically significant increases in rates of neighborhood crime and disorder. The theoretical and policy implications of these findings are discussed. [ABSTRACT FROM AUTHOR]