<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by DFIN XBRL Schema Document - http://www.dfinsolutions.com/ - on 03-09-2026 09:44:34 PM -->
<!-- Copyright(c) 2026 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<schema targetNamespace="http://www.cohenandsteers.com/20260904" elementFormDefault="qualified" xmlns:fnd="http://xbrl.sec.gov/fnd-cef/2025" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:csqirfi="http://www.cohenandsteers.com/20260904" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:rr="http://xbrl.sec.gov/rr/2021" xmlns:dtr="http://www.xbrl.org/2009/dtr" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:cef="http://xbrl.sec.gov/cef/2025" xmlns:xlink="http://www.w3.org/1999/xlink">
    <annotation>
        <appinfo>
            <link:linkbase>
                <link:roleRef roleURI="http://xbrl.sec.gov/cef/role/N2" xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2025/cef-2025.xsd#N2"/>
                <link:roleRef roleURI="http://xbrl.sec.gov/cef/role/RiskOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2025/cef-2025.xsd#RiskOnly"/>
                <link:roleRef roleURI="http://xbrl.sec.gov/cef/role/SecurityOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2025/cef-2025.xsd#SecurityOnly"/>
				<link:roleRef roleURI="http://xbrl.sec.gov/cef/role/CoregistrantOnly" xlink:type="simple" xlink:href="https://xbrl.sec.gov/cef/2025/cef-2025.xsd#CoregistrantOnly"/>
				<link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
				<link:presentationLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cef/role/N2">	
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cef/2025/cef-2025.xsd#cef_AllCoregistrantsMember" xlink:label="AllCoregistrantsMember"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="DebtInstrumentNameDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain" xlink:label="ClassOfStockDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cef/2025/cef-2025.xsd#cef_AllRisksMember" xlink:label="AllRisksMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_MarketPriceDiscountFromNetAssetValueRiskMember" xlink:label="MarketPriceDiscountFromNetAssetValueRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="MarketPriceDiscountFromNetAssetValueRiskMember" order="1.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_CommonStockRiskMember" xlink:label="CommonStockRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="CommonStockRiskMember" order="2.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_RealEstateMarketRiskMember" xlink:label="RealEstateMarketRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="RealEstateMarketRiskMember" order="3.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_REITRiskMember" xlink:label="REITRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="REITRiskMember" order="4.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_SmallAndMediumSizedCompaniesRiskMember" xlink:label="SmallAndMediumSizedCompaniesRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="SmallAndMediumSizedCompaniesRiskMember" order="5.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_PreferredSecuritiesRiskMember" xlink:label="PreferredSecuritiesRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="PreferredSecuritiesRiskMember" order="6.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_DerivativesAndHedgingTransactionsRiskMember" xlink:label="DerivativesAndHedgingTransactionsRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="DerivativesAndHedgingTransactionsRiskMember" order="7.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_OptionsRiskMember" xlink:label="OptionsRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="OptionsRiskMember" order="8.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_LeverageRiskMember" xlink:label="LeverageRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="LeverageRiskMember" order="9.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_PrivateRealEstateRiskMember" xlink:label="PrivateRealEstateRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="PrivateRealEstateRiskMember" order="10.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_REITSubsidiaryRiskMember" xlink:label="REITSubsidiaryRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="REITSubsidiaryRiskMember" order="11.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_RealEstateLimitedLiabilityCompanyRiskMember" xlink:label="RealEstateLimitedLiabilityCompanyRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="RealEstateLimitedLiabilityCompanyRiskMember" order="12.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_MarketDisruptionAndGeopoliticalRiskMember" xlink:label="MarketDisruptionAndGeopoliticalRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="MarketDisruptionAndGeopoliticalRiskMember" order="13.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_RegulatoryRiskMember" xlink:label="RegulatoryRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="RegulatoryRiskMember" order="14.0" />
					<link:loc xlink:type="locator" xlink:href="#csqirfi_CybersecurityRiskMember" xlink:label="CybersecurityRiskMember"/>
					<link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="AllRisksMember" xlink:to="CybersecurityRiskMember" order="15.0" />
				</link:presentationLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cef/role/CoregistrantOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cef/2025/cef-2025.xsd#cef_AllCoregistrantsMember" xlink:label="AllCoregistrantsMember"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cef/role/SecurityOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="DebtInstrumentNameDomain"/>
					<link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockDomain" xlink:label="ClassOfStockDomain"/>
				</link:definitionLink>
				<link:definitionLink xlink:type="extended" xlink:role="http://xbrl.sec.gov/cef/role/RiskOnly">
					<link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/cef/2025/cef-2025.xsd#cef_AllRisksMember" xlink:label="AllRisksMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_MarketPriceDiscountFromNetAssetValueRiskMember" xlink:label="MarketPriceDiscountFromNetAssetValueRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="MarketPriceDiscountFromNetAssetValueRiskMember" order="1.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_CommonStockRiskMember" xlink:label="CommonStockRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="CommonStockRiskMember" order="2.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_RealEstateMarketRiskMember" xlink:label="RealEstateMarketRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="RealEstateMarketRiskMember" order="3.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_REITRiskMember" xlink:label="REITRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="REITRiskMember" order="4.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_SmallAndMediumSizedCompaniesRiskMember" xlink:label="SmallAndMediumSizedCompaniesRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="SmallAndMediumSizedCompaniesRiskMember" order="5.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_PreferredSecuritiesRiskMember" xlink:label="PreferredSecuritiesRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="PreferredSecuritiesRiskMember" order="6.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_DerivativesAndHedgingTransactionsRiskMember" xlink:label="DerivativesAndHedgingTransactionsRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="DerivativesAndHedgingTransactionsRiskMember" order="7.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_OptionsRiskMember" xlink:label="OptionsRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="OptionsRiskMember" order="8.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_LeverageRiskMember" xlink:label="LeverageRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="LeverageRiskMember" order="9.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_PrivateRealEstateRiskMember" xlink:label="PrivateRealEstateRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="PrivateRealEstateRiskMember" order="10.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_REITSubsidiaryRiskMember" xlink:label="REITSubsidiaryRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="REITSubsidiaryRiskMember" order="11.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_RealEstateLimitedLiabilityCompanyRiskMember" xlink:label="RealEstateLimitedLiabilityCompanyRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="RealEstateLimitedLiabilityCompanyRiskMember" order="12.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_MarketDisruptionAndGeopoliticalRiskMember" xlink:label="MarketDisruptionAndGeopoliticalRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="MarketDisruptionAndGeopoliticalRiskMember" order="13.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_RegulatoryRiskMember" xlink:label="RegulatoryRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="RegulatoryRiskMember" order="14.0"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_CybersecurityRiskMember" xlink:label="CybersecurityRiskMember"/>
					<link:definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="AllRisksMember" xlink:to="CybersecurityRiskMember" order="15.0"/>
				</link:definitionLink>
				<link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
					<link:loc xlink:type="locator" xlink:href="#csqirfi_MarketPriceDiscountFromNetAssetValueRiskMember" xlink:label="MarketPriceDiscountFromNetAssetValueRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_MarketPriceDiscountFromNetAssetValueRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Market Price Discount from Net Asset Value Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MarketPriceDiscountFromNetAssetValueRiskMember" xlink:to="label_MarketPriceDiscountFromNetAssetValueRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_CommonStockRiskMember" xlink:label="CommonStockRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_CommonStockRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Common Stock Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockRiskMember" xlink:to="label_CommonStockRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_RealEstateMarketRiskMember" xlink:label="RealEstateMarketRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_RealEstateMarketRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Real Estate Market Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RealEstateMarketRiskMember" xlink:to="label_RealEstateMarketRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_REITRiskMember" xlink:label="REITRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_REITRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">REIT Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="REITRiskMember" xlink:to="label_REITRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_SmallAndMediumSizedCompaniesRiskMember" xlink:label="SmallAndMediumSizedCompaniesRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_SmallAndMediumSizedCompaniesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Small and Medium Sized Companies Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SmallAndMediumSizedCompaniesRiskMember" xlink:to="label_SmallAndMediumSizedCompaniesRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_PreferredSecuritiesRiskMember" xlink:label="PreferredSecuritiesRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_PreferredSecuritiesRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Preferred Securities Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PreferredSecuritiesRiskMember" xlink:to="label_PreferredSecuritiesRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_DerivativesAndHedgingTransactionsRiskMember" xlink:label="DerivativesAndHedgingTransactionsRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_DerivativesAndHedgingTransactionsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Derivatives and Hedging Transactions Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativesAndHedgingTransactionsRiskMember" xlink:to="label_DerivativesAndHedgingTransactionsRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_OptionsRiskMember" xlink:label="OptionsRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_OptionsRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Options Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OptionsRiskMember" xlink:to="label_OptionsRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_LeverageRiskMember" xlink:label="LeverageRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_LeverageRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Leverage Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LeverageRiskMember" xlink:to="label_LeverageRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_PrivateRealEstateRiskMember" xlink:label="PrivateRealEstateRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_PrivateRealEstateRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Private Real Estate Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrivateRealEstateRiskMember" xlink:to="label_PrivateRealEstateRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_REITSubsidiaryRiskMember" xlink:label="REITSubsidiaryRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_REITSubsidiaryRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">REIT Subsidiary Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="REITSubsidiaryRiskMember" xlink:to="label_REITSubsidiaryRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_RealEstateLimitedLiabilityCompanyRiskMember" xlink:label="RealEstateLimitedLiabilityCompanyRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_RealEstateLimitedLiabilityCompanyRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Real Estate Limited Liability Company Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RealEstateLimitedLiabilityCompanyRiskMember" xlink:to="label_RealEstateLimitedLiabilityCompanyRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_MarketDisruptionAndGeopoliticalRiskMember" xlink:label="MarketDisruptionAndGeopoliticalRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_MarketDisruptionAndGeopoliticalRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Market Disruption and Geopolitical Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MarketDisruptionAndGeopoliticalRiskMember" xlink:to="label_MarketDisruptionAndGeopoliticalRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_RegulatoryRiskMember" xlink:label="RegulatoryRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_RegulatoryRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Regulatory Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RegulatoryRiskMember" xlink:to="label_RegulatoryRiskMember"/>
					<link:loc xlink:type="locator" xlink:href="#csqirfi_CybersecurityRiskMember" xlink:label="CybersecurityRiskMember"/>
					<link:label xlink:type="resource" xlink:label="label_CybersecurityRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en-US">Cybersecurity Risk [Member]</link:label>
					<link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CybersecurityRiskMember" xlink:to="label_CybersecurityRiskMember"/>
				</link:labelLink>
			</link:linkbase>
		</appinfo>
	</annotation>
	<import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
	<import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
	<import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
	<import namespace="http://xbrl.sec.gov/dei/2025" schemaLocation="https://xbrl.sec.gov/dei/2025/dei-2025.xsd"/>
	<import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
	<import namespace="http://xbrl.sec.gov/cef/2025" schemaLocation="https://xbrl.sec.gov/cef/2025/cef-2025.xsd"/>
	<import namespace="http://xbrl.sec.gov/cef-pre/2025" schemaLocation="https://xbrl.sec.gov/cef/2025/cef-2025_pre.xsd"/>
	<import namespace="http://xbrl.sec.gov/fnd-cef-pre/2025" schemaLocation="https://xbrl.sec.gov/fnd/2025/fnd-cef-2025_pre.xsd"/>
	<element name="MarketPriceDiscountFromNetAssetValueRiskMember" id="csqirfi_MarketPriceDiscountFromNetAssetValueRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="CommonStockRiskMember" id="csqirfi_CommonStockRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="RealEstateMarketRiskMember" id="csqirfi_RealEstateMarketRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="REITRiskMember" id="csqirfi_REITRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="SmallAndMediumSizedCompaniesRiskMember" id="csqirfi_SmallAndMediumSizedCompaniesRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="PreferredSecuritiesRiskMember" id="csqirfi_PreferredSecuritiesRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="DerivativesAndHedgingTransactionsRiskMember" id="csqirfi_DerivativesAndHedgingTransactionsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="OptionsRiskMember" id="csqirfi_OptionsRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="LeverageRiskMember" id="csqirfi_LeverageRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="PrivateRealEstateRiskMember" id="csqirfi_PrivateRealEstateRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="REITSubsidiaryRiskMember" id="csqirfi_REITSubsidiaryRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="RealEstateLimitedLiabilityCompanyRiskMember" id="csqirfi_RealEstateLimitedLiabilityCompanyRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="MarketDisruptionAndGeopoliticalRiskMember" id="csqirfi_MarketDisruptionAndGeopoliticalRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="RegulatoryRiskMember" id="csqirfi_RegulatoryRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
	<element name="CybersecurityRiskMember" id="csqirfi_CybersecurityRiskMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration"/>
</schema>
