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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e411b-fb18-7bbd-a9a2-c670fde59a64,g:cc35a240-bf5c-46d6-9b86-12eee81f5a55-->
<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://fivestarbank.com/role/Cover" xlink:type="simple" xlink:href="fsbc-20260521.xsd#Cover"/>
  <link:presentationLink xlink:role="http://fivestarbank.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019e411b-fb18-77fc-b69c-4993d6243991" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_DocumentType_019e411b-fb18-77fc-b69c-4993d6243991" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019e411b-fb18-7259-a66b-2469fff4a710" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_DocumentPeriodEndDate_019e411b-fb18-7259-a66b-2469fff4a710" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019e411b-fb18-79fe-8685-8b224739a850" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_EntityRegistrantName_019e411b-fb18-79fe-8685-8b224739a850" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019e411b-fb18-7d4b-b273-39d12b215365" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019e411b-fb18-7d4b-b273-39d12b215365" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019e411b-fb18-7280-90a6-853820089261" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_EntityFileNumber_019e411b-fb18-7280-90a6-853820089261" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019e411b-fb18-7add-8d58-47b0ce42cbdd" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_EntityTaxIdentificationNumber_019e411b-fb18-7add-8d58-47b0ce42cbdd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019e411b-fb18-7e3c-92cf-b48c7f5ea404" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_EntityAddressAddressLine1_019e411b-fb18-7e3c-92cf-b48c7f5ea404" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019e411b-fb18-7d29-aa71-6c338931a39b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_EntityAddressCityOrTown_019e411b-fb18-7d29-aa71-6c338931a39b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019e411b-fb18-7ad8-9351-531cebc280be" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_EntityAddressStateOrProvince_019e411b-fb18-7ad8-9351-531cebc280be" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019e411b-fb18-7359-8383-b75558f6e514" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_EntityAddressPostalZipCode_019e411b-fb18-7359-8383-b75558f6e514" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019e411b-fb18-76e5-8014-26490f75ac98" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_CityAreaCode_019e411b-fb18-76e5-8014-26490f75ac98" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019e411b-fb18-77ed-9ee1-6d3666011757" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_LocalPhoneNumber_019e411b-fb18-77ed-9ee1-6d3666011757" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019e411b-fb18-7664-8831-3ff4b7dcb3f4" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_WrittenCommunications_019e411b-fb18-7664-8831-3ff4b7dcb3f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019e411b-fb18-79be-9883-fa34c69aeb35" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_SolicitingMaterial_019e411b-fb18-79be-9883-fa34c69aeb35" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019e411b-fb18-7576-bcd1-19ce43462847" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_PreCommencementTenderOffer_019e411b-fb18-7576-bcd1-19ce43462847" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019e411b-fb18-73a1-99da-36f98cb58a77" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019e411b-fb18-73a1-99da-36f98cb58a77" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019e411b-fb18-7ac4-9c5c-6466c421b976" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_Security12bTitle_019e411b-fb18-7ac4-9c5c-6466c421b976" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019e411b-fb18-7bb4-9144-081ebe50372d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_TradingSymbol_019e411b-fb18-7bb4-9144-081ebe50372d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019e411b-fb18-7220-9c1b-1243fb03218c" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_SecurityExchangeName_019e411b-fb18-7220-9c1b-1243fb03218c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019e411b-fb18-7b79-b241-2a84c326f308" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_EntityEmergingGrowthCompany_019e411b-fb18-7b79-b241-2a84c326f308" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityExTransitionPeriod_019e411b-fb18-7c50-8add-bfd45b651a2d" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityExTransitionPeriod"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_EntityExTransitionPeriod_019e411b-fb18-7c50-8add-bfd45b651a2d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019e411b-fb18-7a58-a51c-4c2a4c1d2f99" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_EntityCentralIndexKey_019e411b-fb18-7a58-a51c-4c2a4c1d2f99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019e411b-fb18-799b-9792-2698435a063b" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_019e411b-fb18-7e9a-b138-4c09120f14e0" xlink:to="loc_dei_AmendmentFlag_019e411b-fb18-799b-9792-2698435a063b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
