EX-31Rule 13a-14(d)/15d-14(d) Certifications.

 

 

I,Helaine M. Kaplan, certify that:

 

1. Ihave reviewed this report on Form 10-K and all reports on Form 10-D required tobe filed in respect of the period covered by this report on Form 10-K of the CD2017-CD4 Mortgage Trust (the "Exchange Act periodic reports");

 

2.Based on my knowledge, the Exchange Act periodic reports, taken as a whole, donot contain any untrue statement of a material fact or omit to state a materialfact necessary to make the statements made, in light of the circumstances underwhich such statements were made, not misleading with respect to the periodcovered by this report;

 

3.Based on my knowledge, all of the distribution, servicing and other informationrequired to be provided under Form 10-D for the period covered by this reportis included in the Exchange Act periodic reports;

 

4.Based on my knowledge and the servicer compliance statements required in thisreport under Item 1123 of Regulation AB, and except as disclosed in theExchange Act periodic reports, the servicers have fulfilled their obligationsunder the servicing agreements in all material respects; and

 

5. Allof the reports on assessment of compliance with servicing criteria forasset-backed securities and their related attestation reports on assessment ofcompliance with servicing criteria for asset-backed securities required to beincluded in this report in accordance with Item 1122 of Regulation AB andExchange Act Rules 13a-18 and 15d-18 have been included as an exhibit to thisreport, except as otherwise disclosed in this report. Any material instances ofnoncompliance described in such reports have been disclosed in this report onForm 10-K.

 

Ingiving the certifications above, I have reasonably relied on informationprovided to me by the following unaffiliated parties:

 

MidlandLoan Services, a Division of PNC Bank, National Association, as MasterServicer, Rialto Capital Advisors, LLC, as Special Servicer, Wells Fargo Bank,National Association, as Trustee and Certificate Administrator, Wells FargoBank, National Association, as Custodian, Park Bridge Lender Services LLC, asOperating Advisor, Computershare Trust Company, National Association, asServicing Function Participant for the Certificate Administrator, ComputershareTrust Company, National Association, as Servicing Function Participant for theCustodian, Wells Fargo Bank, National Association, as Primary Servicer for theHilton Hawaiian Village Mortgage Loan, CWCapital Asset Management LLC, asSpecial Servicer for the Hilton Hawaiian Village Mortgage Loan, WilmingtonTrust, National Association, as Trustee for the Hilton Hawaiian VillageMortgage Loan, Wells Fargo Bank, National Association, as Custodian for theHilton Hawaiian Village Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function Participant for the Hilton HawaiianVillage Mortgage Loan, Computershare Trust Company, National Association, asServicing Function Participant for the Custodian for the Hilton HawaiianVillage Mortgage Loan, Midland Loan Services, a Division of PNC Bank, NationalAssociation, as Primary Servicer for the 111 Livingston Street Mortgage Loan,Midland Loan Services, a Division of PNC Bank, National Association, as SpecialServicer for the 111 Livingston Street Mortgage Loan, prior to May 5, 2023,K-Star Asset Management LLC, as Special Servicer for the 111 Livingston StreetMortgage Loan on and after May 5, 2023, Wells Fargo Bank, National Association,as Trustee for the 111 Livingston Street Mortgage Loan, Wells Fargo Bank,National Association, as Custodian for the 111 Livingston Street Mortgage Loan,Park Bridge Lender Services LLC, as Operating Advisor for the 111 Livingston StreetMortgage Loan, Computershare Trust Company, National Association, as ServicingFunction Participant for the Custodian for the 111 Livingston Street MortgageLoan, Midland Loan Services, a Division of PNC Bank, National Association, asPrimary Servicer for the Moffett Place Google Mortgage Loan, Midland LoanServices, a Division of PNC Bank, National Association, as Special Servicer forthe Moffett Place Google Mortgage Loan prior to May 5, 2023, K-Star AssetManagement LLC, as Special Servicer for the Moffett Place Google Mortgage Loanon and after May 5, 2023, Wells Fargo Bank, National Association, as Trusteefor the Moffett Place Google Mortgage Loan, Wells Fargo Bank, NationalAssociation, as Custodian for the Moffett Place Google Mortgage Loan, ParkBridge Lender Services LLC, as Operating Advisor for the Moffett Place GoogleMortgage Loan, Computershare Trust Company, National Association, as ServicingFunction Participant for the Custodian for the Moffett Place Google MortgageLoan, Wells Fargo Bank, National Association, as Primary Servicer for theHamilton Crossing Mortgage Loan, Rialto Capital Advisors, LLC, as SpecialServicer for the Hamilton Crossing Mortgage Loan, Park Bridge Lender ServicesLLC, as Operating Advisor for the Hamilton Crossing Mortgage Loan, CoreLogicSolutions, LLC, as Servicing Function Participant forthe Hamilton Crossing Mortgage Loan, Wells Fargo Bank, National Association, asPrimary Servicer for the Key Center Cleveland Mortgage Loan, Rialto CapitalAdvisors, LLC, as Special Servicer for the Key Center Cleveland Mortgage Loan,Park Bridge Lender Services LLC, as Operating Advisor for the Key CenterCleveland Mortgage Loan, and CoreLogic Solutions, LLC, as Servicing FunctionParticipant for the Key Center Cleveland Mortgage Loan.

 

 

 

Dated: March 18, 2024

 

 

/s/Helaine M. Kaplan

HelaineM. Kaplan

President

(seniorofficer in charge of securitization of the depositor)