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





I, Helaine M. Kaplan,
certify that:



1. I have reviewed
this report on Form 10-K and all reports on Form 10-D required to be filed in respect
of the period covered by this report on Form 10-K of the Benchmark 2018-B7
Mortgage Trust (the "Exchange Act periodic reports");



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



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



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



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



In giving the
certifications above, I have reasonably relied on information provided to me by
the following unaffiliated parties:



KeyBank National
Association, as Master Servicer, LNR Partners, LLC, as Special Servicer, Wells
Fargo Bank, National Association, as Trustee and Certificate Administrator,
Wells Fargo Bank, National Association, as Custodian, Park Bridge Lender
Services LLC, as Operating Advisor, Wells Fargo Bank, National Association, as
Primary Servicer for the Aventura Mall Mortgage Loan, CWCapital Asset
Management LLC, as Special Servicer for the Aventura Mall Mortgage Loan,
Wilmington Trust, National Association, as Trustee for the Aventura Mall
Mortgage Loan, Wells Fargo Bank, National Association, as Certificate
Administrator for the Aventura Mall Mortgage Loan, Wells Fargo Bank, National
Association, as Custodian for the Aventura Mall Mortgage Loan, Park Bridge
Lender Services LLC, as Operating Advisor for the Aventura Mall Mortgage Loan,
CoreLogic Commercial Real Estate Services, Inc., as Servicing Function
Participant for the Aventura Mall Mortgage Loan, National Tax Search, LLC, as
Servicing Function Participant for the Aventura Mall Mortgage Loan, KeyBank
National Association, as Primary Servicer for the Aon Center Mortgage Loan,
AEGON USA Realty Advisors, LLC, as Special Servicer for the Aon Center Mortgage
Loan, Wells Fargo Bank, National Association, as Trustee and Certificate
Administrator for the Aon Center Mortgage Loan, Wells Fargo Bank, National
Association, as Custodian for the Aon Center Mortgage Loan, Park Bridge Lender
Services LLC, as Operating Advisor for the Aon Center Mortgage Loan, Wells
Fargo Bank, National Association, as Primary Servicer for the 636 11th Avenue
Mortgage Loan, CWCapital Asset Management LLC, as Special Servicer for the 636
11th Avenue Mortgage Loan, Wilmington Trust, National Association, as Trustee
for the 636 11th Avenue Mortgage Loan, Wells Fargo Bank, National Association,
as Certificate Administrator for the 636 11th Avenue Mortgage Loan, Wells Fargo
Bank, National Association, as Custodian for the 636 11th Avenue Mortgage Loan,
Park Bridge Lender Services LLC, as Operating Advisor for the 636 11th Avenue
Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc., as Servicing
Function Participant for the 636 11th Avenue Mortgage Loan, National Tax
Search, LLC, as Servicing Function Participant for the 636 11th Avenue Mortgage
Loan, KeyBank National Association, as Primary Servicer for the Workspace
Mortgage Loan, KeyBank National Association, as Special Servicer for the
Workspace Mortgage Loan, Wells Fargo Bank, National Association, as Trustee and
Certificate Administrator for the Workspace Mortgage Loan, Wells Fargo Bank,
National Association, as Custodian for the Workspace Mortgage Loan, Park Bridge
Lender Services LLC, as Operating Advisor for the Workspace Mortgage Loan,
KeyBank National Association, as Primary Servicer for the Overland Park Xchange
Mortgage Loan, Midland Loan Services, a Division of PNC Bank, National
Association, as Special Servicer for the Overland Park Xchange Mortgage Loan,
Wilmington Trust, National Association, as Trustee for the Overland Park
Xchange Mortgage Loan, Citibank, N.A., as Certificate Administrator for the
Overland Park Xchange Mortgage Loan, Citibank, N.A., as Custodian for the
Overland Park Xchange Mortgage Loan, Park Bridge Lender Services LLC, as
Operating Advisor for the Overland Park Xchange Mortgage Loan, U.S. Bank,
National Association, as Servicing Function Participant for the Overland Park
Xchange Mortgage Loan, KeyBank National Association, as Primary Servicer for
the Concord Plaza Mortgage Loan, Midland Loan Services, a Division of PNC Bank,
National Association, as Special Servicer for the Concord Plaza Mortgage Loan,
Wilmington Trust, National Association, as Trustee for the Concord Plaza
Mortgage Loan, Citibank, N.A., as Certificate Administrator for the Concord
Plaza Mortgage Loan, Citibank, N.A., as Custodian for the Concord Plaza
Mortgage Loan, Park Bridge Lender Services LLC, as Operating Advisor for the
Concord Plaza Mortgage Loan, U.S. Bank, National Association, as Servicing
Function Participant for the Concord Plaza Mortgage Loan, Midland Loan
Services, a Division of PNC Bank, National Association, as Primary Servicer for
the Shelbourne Global Portfolio I Mortgage Loan, Midland Loan Services, a
Division of PNC Bank, National Association, as Special Servicer for the
Shelbourne Global Portfolio I Mortgage Loan, Wells Fargo Bank, National
Association, as Trustee and Certificate Administrator for the Shelbourne Global
Portfolio I Mortgage Loan, Wells Fargo Bank, National Association, as Custodian
for the Shelbourne Global Portfolio I Mortgage Loan, Pentalpha Surveillance
LLC, as Operating Advisor for the Shelbourne Global Portfolio I Mortgage Loan,
Wells Fargo Bank, National Association, as Primary Servicer for the Moffett
Towers - Buildings E,F,G Mortgage Loan, Rialto Capital Advisors, LLC, as
Special Servicer for the Moffett Towers - Buildings E,F,G Mortgage Loan,
Wilmington Trust, National Association, as Trustee for the Moffett Towers -
Buildings E,F,G Mortgage Loan, Wells Fargo Bank, National Association, as
Certificate Administrator for the Moffett Towers - Buildings E,F,G Mortgage
Loan, Wells Fargo Bank, National Association, as Custodian for the Moffett
Towers - Buildings E,F,G Mortgage Loan, Park Bridge Lender Services LLC, as
Operating Advisor for the Moffett Towers - Buildings E,F,G Mortgage Loan,
CoreLogic Commercial Real Estate Services, Inc., as Servicing Function Participant
for the Moffett Towers - Buildings E,F,G Mortgage Loan, National Tax Search,
LLC, as Servicing Function Participant for the Moffett Towers - Buildings E,F,G
Mortgage Loan, Wells Fargo Bank, National Association, as Primary Servicer for
the Outlet Shoppes at El Paso Mortgage Loan, Rialto Capital Advisors, LLC, as
Special Servicer for the Outlet Shoppes at El Paso Mortgage Loan, Wilmington
Trust, National Association, as Trustee for the Outlet Shoppes at El Paso
Mortgage Loan, Wells Fargo Bank, National Association, as Certificate
Administrator for the Outlet Shoppes at El Paso Mortgage Loan, Wells Fargo
Bank, National Association, as Custodian for the Outlet Shoppes at El Paso
Mortgage Loan, Park Bridge Lender Services LLC, as Operating Advisor for the Outlet
Shoppes at El Paso Mortgage Loan, CoreLogic Commercial Real Estate Services,
Inc., as Servicing Function Participant for the Outlet Shoppes at El Paso
Mortgage Loan, National Tax Search, LLC, as Servicing Function Participant for
the Outlet Shoppes at El Paso Mortgage Loan, Wells Fargo Bank, National
Association, as Primary Servicer for the Phoenix Marriott Tempe at the Buttes
Mortgage Loan, Midland Loan Services, a Division of PNC Bank, National
Association, as Special Servicer for the Phoenix Marriott Tempe at the Buttes
Mortgage Loan, Wilmington Trust, National Association, as Trustee for the
Phoenix Marriott Tempe at the Buttes Mortgage Loan, Citibank, N.A., as
Certificate Administrator for the Phoenix Marriott Tempe at the Buttes Mortgage
Loan, Citibank, N.A., as Custodian for the Phoenix Marriott Tempe at the Buttes
Mortgage Loan, Park Bridge Lender Services LLC, as Operating Advisor for the
Phoenix Marriott Tempe at the Buttes Mortgage Loan, U.S. Bank, National
Association, as Servicing Function Participant for the Phoenix Marriott Tempe
at the Buttes Mortgage Loan, CoreLogic Commercial Real Estate Services, Inc.,
as Servicing Function Participant for the Phoenix Marriott Tempe at the Buttes
Mortgage Loan, and National Tax Search, LLC, as Servicing Function Participant
for the Phoenix Marriott Tempe at the Buttes Mortgage Loan.







Dated: October 30,
2019





/s/ Helaine M. Kaplan





President

(senior
officer in charge of securitization of the depositor)