<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2020 Workiva-->
<!--r:7066442f-9177-4fc1-8a40-fef80b222ed0,g:db01f94f-21f1-4049-ab3e-68aa8d68bdd1-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.sjwater.com/role/DocumentandEntityInformationDocument" xlink:type="simple" xlink:href="sjw-20201203.xsd#DocumentandEntityInformationDocument"/>
  <link:calculationLink xlink:role="http://www.sjwater.com/role/DocumentandEntityInformationDocument" xlink:type="extended"/>
</link:linkbase>
