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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a189da-de8d-78a9-92cb-eb04ef2d6f9d,g:17ee53a4-2ddd-416b-a35f-e8f763324386-->
<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-20261104.xsd#Cover"/>
  <link:presentationLink xlink:role="http://fivestarbank.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_01a189da-de8d-7829-9b44-358772bee7b7" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_DocumentType_01a189da-de8d-7829-9b44-358772bee7b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_01a189da-de8d-7da2-8fc3-beb42798a684" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_DocumentPeriodEndDate_01a189da-de8d-7da2-8fc3-beb42798a684" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_01a189da-de8d-75e8-8015-0a5fc18acc76" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_EntityRegistrantName_01a189da-de8d-75e8-8015-0a5fc18acc76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_01a189da-de8d-7952-b96b-20672fc6e8ad" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_EntityIncorporationStateCountryCode_01a189da-de8d-7952-b96b-20672fc6e8ad" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_01a189da-de8d-705d-8c1c-28e406a67fde" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_EntityFileNumber_01a189da-de8d-705d-8c1c-28e406a67fde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_01a189da-de8d-737a-8523-4860b715ac1f" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_EntityTaxIdentificationNumber_01a189da-de8d-737a-8523-4860b715ac1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_01a189da-de8d-7fec-a7e0-46952d36f907" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_EntityAddressAddressLine1_01a189da-de8d-7fec-a7e0-46952d36f907" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_01a189da-de8d-7786-a767-cd9ed5ae1847" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_EntityAddressCityOrTown_01a189da-de8d-7786-a767-cd9ed5ae1847" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_01a189da-de8d-7e20-88fa-6f256c6a220c" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_EntityAddressStateOrProvince_01a189da-de8d-7e20-88fa-6f256c6a220c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_01a189da-de8d-7f46-945a-9b7a83412bec" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_EntityAddressPostalZipCode_01a189da-de8d-7f46-945a-9b7a83412bec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_01a189da-de8d-78f6-a2dc-f8dd8fa2ef92" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_CityAreaCode_01a189da-de8d-78f6-a2dc-f8dd8fa2ef92" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_01a189da-de8d-763f-b824-4eb78311d884" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_LocalPhoneNumber_01a189da-de8d-763f-b824-4eb78311d884" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_01a189da-de8d-7496-8442-efca02269e2a" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_WrittenCommunications_01a189da-de8d-7496-8442-efca02269e2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_01a189da-de8d-794f-8ccd-800b48b9f20a" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_SolicitingMaterial_01a189da-de8d-794f-8ccd-800b48b9f20a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_01a189da-de8d-719e-8241-d5d03a102087" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_PreCommencementTenderOffer_01a189da-de8d-719e-8241-d5d03a102087" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_01a189da-de8d-7e7d-8e9b-43607a6ed8f1" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_01a189da-de8d-7e7d-8e9b-43607a6ed8f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_01a189da-de8d-7e10-b124-fe11ced7f74c" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_Security12bTitle_01a189da-de8d-7e10-b124-fe11ced7f74c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_01a189da-de8d-7540-87a7-8e8e7ded9be5" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_TradingSymbol_01a189da-de8d-7540-87a7-8e8e7ded9be5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_01a189da-de8d-7324-9d74-8d0358aa138b" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_SecurityExchangeName_01a189da-de8d-7324-9d74-8d0358aa138b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_01a189da-de8d-7f6c-abd7-05cdd2701010" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_EntityEmergingGrowthCompany_01a189da-de8d-7f6c-abd7-05cdd2701010" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityExTransitionPeriod_01a189da-de8d-7f89-9762-0a1ce916182f" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_EntityExTransitionPeriod_01a189da-de8d-7f89-9762-0a1ce916182f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_01a189da-de8d-7a97-b413-cb0464c18a88" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_EntityCentralIndexKey_01a189da-de8d-7a97-b413-cb0464c18a88" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_01a189da-de8d-71c4-bfa9-099a9c8ab4c7" 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_01a189da-de8d-777a-9cb7-97d1d0c15261" xlink:to="loc_dei_AmendmentFlag_01a189da-de8d-71c4-bfa9-099a9c8ab4c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
