UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT PURSUANT

TO SECTION 13 OR 15(d) OF THTHE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported)

February 6, 2007

HSI Asset Loan Obligation Trust 2007-WF1 (Issuing Entity) HSI Asset Securitization Corporation (Exact Name of Depositor as Specified in its Charter) HSBC Bank USA, National Association (Exact Name of Sponsor as Specified in its Charter) HSI Asset Securitization Corporation (Exact Name of Registrant as Specified in its Charter)

Delaware	333-131607	20-2592898
(State or Other Jurisdiction Of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)
452 Fifth Avenue New York, New York		10018
(Address of Principal Executive Offices)		(Zip Code)

(Issuing Entity)

HSI Asset Securitization Corporation

(Exact Name of Depositor as Specified in its Charter)

HSBC Bank USA, National Association

(Exact Name of Sponsor as Specified in its Charter)

HSI Asset Securitization Corporation

(Exact Name of Registrant as Specified in its Charter)

Delaware		333-131607		20-2592898
(State or Other Jurisdiction Of Incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

452 Fifth Avenue New York, New York (Address of Principal Executive Offices)		10018 (Zip Code)

Registrant’s telephone number, including area code: (212) 525-8119

No Change ~~(Former Name or Former Address, if Changed Since Last Report)~~

(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01. Other Events

~~McKee~~The ~~Nelson~~Registrant ~~LLP~~registered ~~has~~issuances ~~been~~of ~~retained~~its byHSI ~~this~~Asset ~~Registrant~~Loan asObligation ~~counsel~~Trust ~~for~~2007-WF1 Mortgage ~~its~~Pass-Through ~~Registration~~Certificates, Series 2007-WF1, on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, as amended (the “Act”), by a Registration Statement on Form S-3 (~~Commission~~Registration File No. 333-131607) in(the ~~connection~~“Registration ~~with~~Statement”). Pursuant to the Registration ~~various~~Statement, ~~transactions.~~the ~~Legal~~Registrant ~~opinions~~issued by$286,467,000 aggregate principal ~~McKee~~amount ~~Nelson~~of ~~LLP~~Class toA-1, beClass ~~incorporated~~A-2, Class A-3, Class A-4, Class A-5, ~~into~~Class A-6, Class M-1, Class M-2, Class M-3, Class M-4, Class M-5 and Class M-6 Certificates of its HSI Asset Loan Obligation Trust 2007-WF1 Mortgage Pass-Through Certificates, Series 2007-WF1 on February 6, 2007. This Current Report on Form 8-K is being filed to satisfy an undertaking, contained in the ~~Registration~~definitive ~~Statement~~Prospectus ~~are~~dated ~~attached~~December ~~hereto~~27, 2006, as ~~Exhibit~~supplemented by the Prospectus Supplement dated February 5.1, ~~Exhibit~~2007 ~~8.1~~(the “Prospectus Supplement”), to file a copy of the Pooling and Servicing Agreement (as defined ~~Exhibit~~below) 23and other operative agreements executed in connection with the issuance of the Certificates, a form of which was filed as an exhibit to the Registration Statement.1.

The Certificates were issued pursuant to a Pooling and Servicing Agreement (the “Pooling Agreement”), attached hereto as Exhibit 4.1, dated as of January 1, 2007, among HSI Asset Securitization Corporation, as Depositor, CitiMortgage, Inc., as Master Servicer, Citibank, N.A., as Securities Administrator, Wells Fargo Bank, N.A., as Custodian, Originator and Servicer, OfficeTiger Global Real Estate Services Inc., as Credit Risk Manager, and Deutsche Bank National Trust Company, as Trustee. The Certificates consist of the following classes: Class A-1, Class A-2, Class A-3, Class A-4, Class A-5, Class A-6, Class M-1, Class M-2, Class M-3, Class M-4, Class M-5, Class M-6, Class M-7, Class X, Class P and Class R. The Certificates evidence all of the beneficial ownership interest in a trust fund (the “Trust Fund”) that consists primarily of one pool consisting of fixed rate, interest-only, fully amortizing and balloon mortgage loans secured by first lien mortgages or deeds of trust on residential real properties (the “Mortgage Loans”) with an aggregate outstanding principal balance of approximately $298,119,943 as of December 1, 2006. Capitalized terms used herein and not otherwise defined shall have the meanings assigned to them in the Pooling Agreement.

Item 9.01. Financial Statements and Exhibits

(a)

Not applicable.

(b)

Not applicable.

(c)

Not applicable.

(d)

Exhibits:

54.1 ~~Opinion~~Pooling and Servicing Agreement dated as of ~~McKee~~January ~~Nelson~~1, ~~LLP~~2007, among HSI Asset Securitization Corporation, as toDepositor, ~~legality~~CitiMortgage, ~~(including~~Inc., ~~consent~~as ofMaster ~~such~~Servicer, ~~firm)~~Citibank, N.A., as Securities Administrator, Wells Fargo Bank, N.A., as Originator, Custodian and Servicer, OfficeTiger Global Real Estate Services Inc., as Credit Risk Manager, and Deutsche Bank National Trust Company, as Trustee.

899.1 ~~Opinion~~Mortgage ofLoan ~~McKee~~Purchase ~~Nelson~~Agreement ~~LLP~~dated as toof ~~certain~~January ~~tax~~1, ~~matters~~2007, ~~(including~~between ~~consent~~HSI ofAsset ~~such~~Securitization ~~firm~~Corporation, ~~included~~as inDepositor, ~~Exhibit~~and 5HSBC Bank USA, National Association, as Seller.~~1).~~

2399.12 ~~Consent~~Confirmation relating to Interest Rate Cap Agreement between Bear Stearns Financial Products, Inc. and the Supplemental Interest Trust of ~~McKee~~HSI ~~Nelson~~Asset ~~LLP~~Loan ~~(included~~Obligation inTrust ~~Exhibit~~2007-WF1, 5dated as of February 6, 2007, including schedule to the master agreement, confirmation and credit support annex.~~1).~~

99.3

Mortgage Loan Statistical Information as of the January 1, 2007 cut off date.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	HSI ASSET SECURITIZATION CORPORATION
	By:	/s/ Andrea Lenox
		Name: Andrea Lenox
		Title: Senior Vice President
Dated: February 6, 2007


	HSI ASSET SECURITIZATION CORPORATION

	By:	/s/ Andrea Lenox
		Name: Andrea Lenox Title: Vice President

Dated: February 21, 2007

EXHIBIT INDEX

Exhibit No. Description

99.3	Mortgage Loan Statistical Information as of the January 1, 2007 cut off date.

Filing Compare · HSI Asset Loan Obligation Trust 2007-WF1