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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019e04d4-3e8e-7f1c-beb1-4b8b800551c9,g:aaf7ca0a-dfe1-453a-9b70-445a8faddd83-->
<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-20260709.xsd#Cover"/>
  <link:presentationLink xlink:role="http://fivestarbank.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_019e04d4-3e8e-71d7-91ba-2c115f6177a9" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_DocumentType_019e04d4-3e8e-71d7-91ba-2c115f6177a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019e04d4-3e8e-7667-ac6d-b63bce00ee53" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_DocumentPeriodEndDate_019e04d4-3e8e-7667-ac6d-b63bce00ee53" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019e04d4-3e8e-7268-b160-553f7fa62c04" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_EntityRegistrantName_019e04d4-3e8e-7268-b160-553f7fa62c04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019e04d4-3e8e-70d0-aad1-bf80546902ce" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019e04d4-3e8e-70d0-aad1-bf80546902ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019e04d4-3e8e-78ab-b927-710e9fab7a45" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_EntityFileNumber_019e04d4-3e8e-78ab-b927-710e9fab7a45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019e04d4-3e8e-720f-88b0-62f61621bd02" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_EntityTaxIdentificationNumber_019e04d4-3e8e-720f-88b0-62f61621bd02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019e04d4-3e8e-7a4f-bdc9-26de35c4acd1" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_EntityAddressAddressLine1_019e04d4-3e8e-7a4f-bdc9-26de35c4acd1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019e04d4-3e8e-75bd-9a49-6b1e5c1cbb4f" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_EntityAddressCityOrTown_019e04d4-3e8e-75bd-9a49-6b1e5c1cbb4f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019e04d4-3e8e-7e2b-ac6a-ba4ba3852908" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_EntityAddressStateOrProvince_019e04d4-3e8e-7e2b-ac6a-ba4ba3852908" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019e04d4-3e8e-78b6-a16c-a12202d51f9a" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_EntityAddressPostalZipCode_019e04d4-3e8e-78b6-a16c-a12202d51f9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019e04d4-3e8e-7e02-a5e2-995aec5486fe" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_CityAreaCode_019e04d4-3e8e-7e02-a5e2-995aec5486fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019e04d4-3e8e-7d9f-bc9b-4b6896b14552" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_LocalPhoneNumber_019e04d4-3e8e-7d9f-bc9b-4b6896b14552" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019e04d4-3e8e-742d-b639-43d707ce929b" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_WrittenCommunications_019e04d4-3e8e-742d-b639-43d707ce929b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019e04d4-3e8e-7740-bdd4-a04c72bda62d" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_SolicitingMaterial_019e04d4-3e8e-7740-bdd4-a04c72bda62d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019e04d4-3e8e-7f24-9bd8-c151426aaa26" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_PreCommencementTenderOffer_019e04d4-3e8e-7f24-9bd8-c151426aaa26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019e04d4-3e8e-79ac-8ea8-3fb628ff27f4" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019e04d4-3e8e-79ac-8ea8-3fb628ff27f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_019e04d4-3e8e-74f2-b3b0-8794a5c3f112" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_Security12bTitle_019e04d4-3e8e-74f2-b3b0-8794a5c3f112" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_019e04d4-3e8e-732c-a8f6-447fa814f7de" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_TradingSymbol_019e04d4-3e8e-732c-a8f6-447fa814f7de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_019e04d4-3e8e-7668-8660-bf88dd2bd924" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_SecurityExchangeName_019e04d4-3e8e-7668-8660-bf88dd2bd924" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019e04d4-3e8e-7b38-b59f-c17a5581ac2a" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_EntityEmergingGrowthCompany_019e04d4-3e8e-7b38-b59f-c17a5581ac2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityExTransitionPeriod_019e04d4-3e8e-706d-8c76-89932bf59351" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_EntityExTransitionPeriod_019e04d4-3e8e-706d-8c76-89932bf59351" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019e04d4-3e8e-7ca2-afe4-6bd2fc542cd9" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_EntityCentralIndexKey_019e04d4-3e8e-7ca2-afe4-6bd2fc542cd9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019e04d4-3e8e-7223-af6d-7ba079175d6a" 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_019e04d4-3e8e-7a53-b6d2-7b6eacb2c296" xlink:to="loc_dei_AmendmentFlag_019e04d4-3e8e-7223-af6d-7ba079175d6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
