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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:01a033c0-5eff-7ccb-8110-7b0ff53ffcde,g:8a6da3f7-6179-41c5-998a-ade3849fe0c2-->
<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://ir.fathominc.com/role/Cover" xlink:type="simple" xlink:href="fthm-20260821.xsd#Cover"/>
  <link:presentationLink xlink:role="http://ir.fathominc.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_01a033c0-5f00-76bd-9b15-45db1ec2c840" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentType"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_DocumentType_01a033c0-5f00-76bd-9b15-45db1ec2c840" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_01a033c0-5f00-7393-b2ae-a615c55aa23a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_DocumentPeriodEndDate_01a033c0-5f00-7393-b2ae-a615c55aa23a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_01a033c0-5f00-7936-9327-1c5d8adbf4c7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_EntityRegistrantName_01a033c0-5f00-7936-9327-1c5d8adbf4c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_01a033c0-5f00-7c4d-85a9-0280f3b80176" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_EntityIncorporationStateCountryCode_01a033c0-5f00-7c4d-85a9-0280f3b80176" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_01a033c0-5f00-7efd-a69c-9b3a889461b3" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_EntityFileNumber_01a033c0-5f00-7efd-a69c-9b3a889461b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_01a033c0-5f00-7e84-afbf-3147b8445884" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_EntityTaxIdentificationNumber_01a033c0-5f00-7e84-afbf-3147b8445884" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_01a033c0-5f00-75b7-8644-76f6e5c4f50a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_EntityAddressAddressLine1_01a033c0-5f00-75b7-8644-76f6e5c4f50a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_01a033c0-5f00-7e7e-b82f-f66f63003241" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine2"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_EntityAddressAddressLine2_01a033c0-5f00-7e7e-b82f-f66f63003241" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_01a033c0-5f00-7f3a-a98d-75cbc9f0895f" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_EntityAddressCityOrTown_01a033c0-5f00-7f3a-a98d-75cbc9f0895f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_01a033c0-5f00-781f-acad-d5c1ec0a3c76" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_EntityAddressStateOrProvince_01a033c0-5f00-781f-acad-d5c1ec0a3c76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_01a033c0-5f00-74bf-849c-b81763ab68c6" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_EntityAddressPostalZipCode_01a033c0-5f00-74bf-849c-b81763ab68c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_01a033c0-5f00-79e6-8688-9753bcb92bbc" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_CityAreaCode_01a033c0-5f00-79e6-8688-9753bcb92bbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_01a033c0-5f00-76c7-a3f2-d6fe25810d0c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_LocalPhoneNumber_01a033c0-5f00-76c7-a3f2-d6fe25810d0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_01a033c0-5f00-7643-bc30-59338fee06cc" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_WrittenCommunications_01a033c0-5f00-7643-bc30-59338fee06cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_01a033c0-5f00-7498-a642-c4347772dbd8" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_SolicitingMaterial_01a033c0-5f00-7498-a642-c4347772dbd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_01a033c0-5f00-7b7a-ae6e-19453859ba25" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_PreCommencementTenderOffer_01a033c0-5f00-7b7a-ae6e-19453859ba25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_01a033c0-5f00-7dcd-8be2-7c966057ea37" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_01a033c0-5f00-7dcd-8be2-7c966057ea37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_01a033c0-5f00-74d1-aff1-a2eadf12fb8a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_Security12bTitle_01a033c0-5f00-74d1-aff1-a2eadf12fb8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_01a033c0-5f00-7a69-adb1-bd646495641c" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_TradingSymbol_01a033c0-5f00-7a69-adb1-bd646495641c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_01a033c0-5f00-7941-9626-8ecd16791228" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_SecurityExchangeName_01a033c0-5f00-7941-9626-8ecd16791228" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_01a033c0-5f00-7d6e-ac64-e6bf5232db2d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_EntityEmergingGrowthCompany_01a033c0-5f00-7d6e-ac64-e6bf5232db2d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_01a033c0-5f00-7bab-86a1-e7808bbcaa14" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_EntityCentralIndexKey_01a033c0-5f00-7bab-86a1-e7808bbcaa14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_01a033c0-5f00-706f-9efb-3af4f34e7d24" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_dei_CoverAbstract_01a033c0-5f00-79b0-b851-77aa1eb1285e" xlink:to="loc_dei_AmendmentFlag_01a033c0-5f00-706f-9efb-3af4f34e7d24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
