A substrate liquid processing apparatus includes a transfer section, a processing section, a reservoir and a liquid sending mechanism. The transfer section includes a transfer device configured to transfer a substrate. The processing section is provided adjacent to the transfer section in a horizontal direction, and includes a liquid processing unit configured to process the substrate by using a processing liquid. The reservoir is configured to store the processing liquid therein. The liquid sending mechanism is configured to send out the processing liquid stored in the reservoir into the liquid processing unit. The reservoir is disposed directly under the transfer section. Further, the liquid sending mechanism is disposed directly under the processing section. Space saving of the substrate liquid processing apparatus can be achieved.