FREE WRITING PROSPECTUS

FILED PURSUANT TO RULE 433

REGISTRATION FILE NO.: 333-206677-21

WFCM 2017-C42 - PUBLIC NEW ISSUE

**PUBLIC IO PRICING DETAILS** $612.049 MM FIXED-RATE CMBS OFFERING

CO-LEAD MANAGERS
& JOINT BOOKRUNNERS:	WELLS FARGO SECURITIES, LLC
	BARCLAYS CAPITAL INC.
CO-MANAGER:	ACADEMY SECURITIES, INC.

OFFERED CERTIFICATES - PUBLIC
CLASS	FITCH/KBRA/MDYS	SIZE($MM)	SPD	YLD%	CPN%	$PRICE
X-A	AAAsf/AAA(sf)/Aaa(sf)	488.174	T+110	3.4394	0.9024	7.23410

COLLATERAL SUMMARY

INITIAL POOL BALANCE:	$744,811,779
NUMBER OF LOANS:	37
NUMBER OF PROPERTIES:	66
WA CUT-OFF LTV:	59.5%
WA BALLOON LTV:	55.1%
WA U/W NCF DSCR:	2.00x
WA U/W NOI DEBT YIELD:	11.4%
WA MORTGAGE RATE:	4.399%
TOP TEN LOANS %:	58.7%
WA REM TERM TO MATURITY (MOS):	118
WA REM AMORTIZATION TERM (MOS):	359
WA SEASONING (MOS):	1
LOAN SELLERS:	BARCLAYS(32.9%), SMF II(28.5%), WFB(27.3%),
	RMF(11.3%)
TOP 3 PROPERTY TYPES:	OFFICE(49.4%), RETAIL(25.0%), HOSPITALITY(16.2%)
TOP 5 STATES:	CA(19.3%), NY(16.3%), MI(14.0%), PA(11.9%),
	TN(7.7%)
MASTER SERVICER:	WELLS FARGO BANK, NATIONAL ASSOCIATION
SPECIAL SERVICER:	LNR PARTNERS, LLC
DIRECTING CERTIFICATEHOLDER:	PRIME FINANCE CMBS B-PIECE HOLDCO XIV, L.P. OR AN
	AFFILIATE
DOCUMENTS & TIMING
TERM SHEET, ANNEX A-1:	ATTACHED
ANTICIPATED SETTLEMENT:	DECEMBER 21, 2017
CONFERENCE CALLS:	UPON DEMAND
PRE-RECORDED GLOBAL INVESTOR CALL:	WWW.NETROADSHOW.COM
REVIEW CODE:	WFCMC42
FINAL LINK:	www.netroadshow.com/nrs/wp/default.html?show=c3e4eE

Wells Fargo Commercial Mortgage Securities, Inc., as depositor, has filed a registration statement (including a prospectus) with the Securities and Exchange Commission (‘‘SEC’’) (SEC File No. 333-206677) for the offering to which this communication relates. Before you invest, you should read the prospectus in the registration statement and other documents the depositor has filed with the SEC for more complete information about the depositor, the issuing entity and this offering. You may get these documents for free by visiting EDGAR on the SEC Web site at www.sec.gov. Alternatively, the depositor, any underwriter, or any dealer participating in the offering will arrange to send you the prospectus after filing if you request it by calling toll free 1-800-745-2063 (8 a.m. - 5 p.m. EST) or by emailing wfs.cmbs@wellsfargo.com.

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If this communication relates to an offering of US registered securities (i) a registration statement has been filed with the SEC, (ii) before investing you should read the filed documents, and (iii) you many obtain these documents from your sales representative, by calling 1-800-326-5897 or visiting www.sec.gov. If this communication relates to a securities offering exempt from US registration, you should contact your sales representative for the complete disclosure package. For information regarding Wells Fargo, see https://www.wellsfargo.com/com/disclaimer/wfid3. In Japan, see:

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