EX-31 Rule13a-14(d)/15d-14(d) Certifications.

 

 

I, Helaine M. Kaplan,certify that:

 

1. I have reviewedthis report on Form 10-K and all reports on Form 10-D required to be filed inrespect of the period covered by this report on Form 10-K of the CD 2017-CD4Mortgage Trust (the "Exchange Act periodic reports");

 

2. Based on myknowledge, the Exchange Act periodic reports, taken as a whole, do not containany untrue statement of a material fact or omit to state a material factnecessary 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 myknowledge, all of the distribution, servicing and other information required tobe provided under Form 10-D for the period covered by this report is includedin the Exchange Act periodic reports;

 

4. Based on myknowledge and the servicer compliance statements required in this report underItem 1123 of Regulation AB, and except as disclosed in the Exchange Actperiodic reports, the servicers have fulfilled their obligations under theservicing agreements in all material respects; and

 

5. All of the reportson assessment of compliance with servicing criteria for asset-backed securitiesand their related attestation reports on assessment of compliance withservicing criteria for asset-backed securities required to be included in thisreport in accordance with Item 1122 of Regulation AB and Exchange Act Rules13a-18 and 15d-18 have been included as an exhibit to this report, except asotherwise disclosed in this report. Any material instances of noncompliancedescribed in such reports have been disclosed in this report on Form 10-K.

 

In giving thecertifications above, I have reasonably relied on information provided to me bythe following unaffiliated parties:

 

Midland LoanServices, a Division of PNC Bank, National Association, as Master Servicer,Rialto Capital Advisors, LLC, as Special Servicer, Wells Fargo Bank, NationalAssociation, as Trustee and Certificate Administrator, Wells Fargo Bank,National Association, as Custodian, Park Bridge Lender Services LLC, asOperating Advisor, Wells Fargo Bank, National Association, as Primary Servicerfor the Hilton Hawaiian Village Mortgage Loan, AEGON USA Realty Advisors, LLC,as Special 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 CertificateAdministrator for the Hilton Hawaiian Village Mortgage Loan, Wells Fargo Bank,National Association, as Custodian for the Hilton Hawaiian Village MortgageLoan, CoreLogic Commercial Real Estate Services, Inc., as Servicing FunctionParticipant for the Hilton Hawaiian Village Mortgage Loan, National Tax Search,LLC, as Servicing Function Participant for the Hilton Hawaiian Village 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, Wells Fargo Bank, National Association,as Trustee and Certificate Administrator for the Moffett Place Google MortgageLoan, Wells Fargo Bank, National Association, as Custodian for the MoffettPlace Google Mortgage Loan, Park Bridge Lender Services LLC, as OperatingAdvisor for the Moffett Place Google Mortgage Loan, Midland Loan Services, aDivision of PNC Bank, National Association, as Primary Servicer for the 111Livingston Street Mortgage Loan, Midland Loan Services, a Division of PNC Bank,National Association, as Special Servicer for the 111 Livingston StreetMortgage Loan, Wells Fargo Bank, National Association, as Trustee andCertificate Administrator for the 111 Livingston Street Mortgage Loan, WellsFargo Bank, National Association, as Custodian for the 111 Livingston StreetMortgage Loan, Park Bridge Lender Services LLC, as Operating Advisor for the111 Livingston Street 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,Citibank, N.A., as Certificate Administrator for the Key Center ClevelandMortgage Loan, Park Bridge Lender Services LLC, as Operating Advisor for theKey Center Cleveland Mortgage Loan, CoreLogic Commercial Real Estate Services,Inc., as Servicing Function Participant for the Key Center Cleveland MortgageLoan, National Tax Search, LLC, as Servicing Function Participant for the KeyCenter Cleveland Mortgage Loan, Wells Fargo Bank, National Association, asPrimary Servicer for the Hamilton Crossing Mortgage Loan, Rialto CapitalAdvisors, LLC, as Special Servicer for the Hamilton Crossing Mortgage Loan,Citibank, N.A., as Certificate Administrator for the Hamilton Crossing MortgageLoan, Park Bridge Lender Services LLC, as Operating Advisor for the HamiltonCrossing Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., asServicing Function Participant for the Hamilton Crossing Mortgage Loan, andNational Tax Search, LLC, as Servicing Function Participant for the HamiltonCrossing Mortgage Loan. 

 

 

 

Dated: March 26, 2018

 

 

/s/ Helaine M. Kaplan

 

 

President

(senior officer in charge ofsecuritization of the depositor)