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





I, Daniel Vinson,
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 BBCMS Mortgage
Trust 2019-C3 (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:



Midland Loan
Services, a Division of PNC Bank, National Association, as Master Servicer,
Midland Loan Services, a Division of PNC Bank, National Association, as Special
Servicer, Wells Fargo Bank, National Association, as Trustee and Certificate
Administrator, Wells Fargo Bank, National Association, as Custodian, Pentalpha
Surveillance LLC, as Operating Advisor, KeyBank National Association, as
Primary Servicer, Computershare Trust Company, National Association, as
Servicing Function Participant for the Certificate Administrator, Computershare
Trust Company, National Association, as Servicing Function Participant for the
Custodian, Wells Fargo Bank, National Association , as Primary Servicer for the
Christiana Mall Mortgage Loan, Wells Fargo Bank, National Association, as
Special Servicer for the Christiana Mall Mortgage Loan, Wilmington Trust,
National Association, as Trustee for the Christiana Mall Mortgage Loan, Wells
Fargo Bank, National Association, as Custodian for the Christiana Mall Mortgage
Loan, CoreLogic Solutions, LLC, as Servicing Function Participant for the
Christiana Mall Mortgage Loan, Computershare Trust Company, National
Association, as Servicing Function Participant for the Custodian for the
Christiana Mall Mortgage Loan, Wells Fargo Bank, National Association, as
Primary Servicer for the 787 Eleventh Avenue Mortgage Loan, Situs Holdings,
LLC, as Special Servicer for the 787 Eleventh Avenue Mortgage Loan, Wilmington
Trust, National Association, as Trustee for the 787 Eleventh Avenue Mortgage
Loan, Wells Fargo Bank, National Association, as Custodian for the 787 Eleventh
Avenue Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function
Participant for the 787 Eleventh Avenue Mortgage Loan, Computershare Trust
Company, National Association, as Servicing Function Participant for the
Custodian for the 787 Eleventh Avenue Mortgage Loan, Midland Loan Services, a
Division of PNC Bank, National Association, as Primary Servicer for the
ExchangeRight Net Leased Portfolio 24 Mortgage Loan, 3650 REIT Loan Servicing
LLC, as Special Servicer for the ExchangeRight Net Leased Portfolio 24 Mortgage
Loan, Wells Fargo Bank, National Association, as Trustee for the ExchangeRight
Net Leased Portfolio 24 Mortgage Loan, Wells Fargo Bank, National Association,
as Custodian for the ExchangeRight Net Leased Portfolio 24 Mortgage Loan, Park
Bridge Lender Services LLC, as Operating Advisor for the ExchangeRight Net
Leased Portfolio 24 Mortgage Loan, Computershare Trust Company, National
Association, as Servicing Function Participant for the Custodian for the
ExchangeRight Net Leased Portfolio 24 Mortgage Loan, Midland Loan Services, a
Division of PNC Bank, National Association, as Primary Servicer for the ILPT
Hawaii Portfolio Mortgage Loan, Rialto Capital Advisors, LLC, as Special
Servicer for the ILPT Hawaii Portfolio Mortgage Loan, Wells Fargo Bank,
National Association, as Trustee for the ILPT Hawaii Portfolio Mortgage Loan,
Wells Fargo Bank, National Association, as Custodian for the ILPT Hawaii
Portfolio Mortgage Loan, Park Bridge Lender Services LLC, as Operating Advisor
for the ILPT Hawaii Portfolio Mortgage Loan, Computershare Trust Company,
National Association, as Servicing Function Participant for the Custodian for
the ILPT Hawaii Portfolio Mortgage Loan, KeyBank National Association, as
Primary Servicer for the NEMA San Francisco Mortgage Loan, Situs Holdings, LLC,
as Special Servicer for the NEMA San Francisco Mortgage Loan, Wells Fargo Bank,
National Association, as Trustee for the NEMA San Francisco Mortgage Loan,
Wells Fargo Bank, National Association, as Custodian for the NEMA San Francisco
Mortgage Loan, Computershare Trust Company, National Association, as Servicing
Function Participant for the Custodian for the NEMA San Francisco Mortgage
Loan, Midland Loan Services, a Division of PNC Bank, National Association, as
Primary Servicer for the Southern Motion Industrial Portfolio Mortgage Loan,
Midland Loan Services, a Division of PNC Bank, National Association, as Special
Servicer for the Southern Motion Industrial Portfolio Mortgage Loan, Wells
Fargo Bank, National Association, as Trustee for the Southern Motion Industrial
Portfolio Mortgage Loan, Wells Fargo Bank, National Association, as Custodian
for the Southern Motion Industrial Portfolio Mortgage Loan, Park Bridge Lender
Services LLC, as Operating Advisor for the Southern Motion Industrial Portfolio
Mortgage Loan, Computershare Trust Company, National Association, as Servicing
Function Participant for the Custodian for the Southern Motion Industrial
Portfolio Mortgage Loan, Midland Loan Services, a Division of PNC Bank,
National Association, as Primary Servicer for The Colonnade Office Complex
Mortgage Loan, Midland Loan Services, a Division of PNC Bank, National
Association, as Special Servicer for The Colonnade Office Complex Mortgage
Loan, Wells Fargo Bank, National Association, as Trustee for The Colonnade
Office Complex Mortgage Loan, Wells Fargo Bank, National Association, as
Custodian for The Colonnade Office Complex Mortgage Loan, Park Bridge Lender
Services LLC, as Operating Advisor for The Colonnade Office Complex Mortgage
Loan, Computershare Trust Company, National Association, as Servicing Function
Participant for the Custodian for The Colonnade Office Complex Mortgage Loan,
Midland Loan Services, a Division of PNC Bank, National Association, as Primary
Servicer for the Heartland Dental Medical Office Portfolio Mortgage Loan,
Rialto Capital Advisors, LLC, as Special Servicer for the Heartland Dental
Medical Office Portfolio Mortgage Loan, Wilmington Trust, National Association,
as Trustee for the Heartland Dental Medical Office Portfolio Mortgage Loan,
Wells Fargo Bank, National Association, as Custodian for the Heartland Dental
Medical Office Portfolio Mortgage Loan, Park Bridge Lender Services LLC, as
Operating Advisor for the Heartland Dental Medical Office Portfolio Mortgage
Loan, Computershare Trust Company, National Association, as Servicing Function
Participant for the Custodian for the Heartland Dental Medical Office Portfolio
Mortgage Loan, Wells Fargo Bank, National Association, as Primary Servicer for
the Goodyear Portfolio Mortgage Loan, Rialto Capital Advisors, LLC, as Special
Servicer for the Goodyear Portfolio Mortgage Loan, Wilmington Trust, National
Association, as Trustee for the Goodyear Portfolio Mortgage Loan, Wells Fargo
Bank, National Association, as Custodian for the Goodyear Portfolio Mortgage Loan,
Park Bridge Lender Services LLC, as Operating Advisor for the Goodyear
Portfolio Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function
Participant for the Goodyear Portfolio Mortgage Loan, Computershare Trust
Company, National Association, as Servicing Function Participant for the
Custodian for the Goodyear Portfolio Mortgage Loan, Midland Loan Services, a
Division of PNC Bank, National Association, as Primary Servicer for the GNL
Industrial Portfolio Mortgage Loan, LNR Partners, LLC, as Special Servicer for
the GNL Industrial Portfolio Mortgage Loan, Wells Fargo Bank, National
Association, as Trustee for the GNL Industrial Portfolio Mortgage Loan, Wells
Fargo Bank, National Association, as Custodian for the GNL Industrial Portfolio
Mortgage Loan, Pentalpha Surveillance LLC, as Operating Advisor for the GNL
Industrial Portfolio Mortgage Loan, Computershare Trust Company, National
Association, as Servicing Function Participant for the Custodian for the GNL
Industrial Portfolio Mortgage Loan, Midland Loan Services, a Division of PNC
Bank, National Association, as Primary Servicer for the ExchangeRight Net
Leased Portfolio 26 Mortgage Loan, LNR Partners, LLC, as Special Servicer for
the ExchangeRight Net Leased Portfolio 26 Mortgage Loan, Wells Fargo Bank,
National Association, as Trustee for the ExchangeRight Net Leased Portfolio 26
Mortgage Loan, Wells Fargo Bank, National Association, as Custodian for the
ExchangeRight Net Leased Portfolio 26 Mortgage Loan, Pentalpha Surveillance
LLC, as Operating Advisor for the ExchangeRight Net Leased Portfolio 26
Mortgage Loan, and Computershare Trust Company, National Association, as
Servicing Function Participant for the Custodian for the ExchangeRight Net
Leased Portfolio 26 Mortgage Loan.







Dated: March 13, 2023





/s/ Daniel Vinson

Daniel Vinson

Chief Executive
Officer

(senior
officer in charge of securitization of the depositor)