UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

FORM 10-K/A

(Amendment No. 1)

(Mark One)

For the fiscal year ended December 31, 2010

OR

For the transition period from                 to                 

Commission file number 333-156633

KBS STRATEGIC OPPORTUNITY REIT, INC.

(Exact Name of Registrant as Specified in Its Charter)

(949) 417-6500

(Registrant’s Telephone Number, Including Area Code)

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act:

None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes  ¨    No  þ

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 of Section 15(d) of the Act.    Yes  ¨    No  þ

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days.    Yes  þ    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes  ¨    No  ¨

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of Registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of the Form 10-K or any amendment of this Form 10-K. þ

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See definitions of “large accelerated filer”, “accelerated filer” and “smaller reporting company” in Rule 12b-2 of the Exchange Act. (Check one):

Indicate by check mark whether the registrant is a shell company (as defined in rule 12b-2 of the Securities Exchange Act).    Yes  ¨    No  þ

There is no established market for the Registrant’s shares of common stock. The Registrant is currently conducting its ongoing initial public offering of its shares of common stock pursuant to a Registration Statement on Form S-11, which shares are being sold at $10.00 per share, with discounts available for certain categories of purchasers. There were approximately 1,501,483 shares of common stock held by non-affiliates at June 30, 2010, the last business day of the registrant’s most recently completed second fiscal quarter.

As of April 15, 2011, there were 7,351,281 outstanding shares of common stock of the Registrant.

EXPLANATORY NOTE

We are filing this Amendment No. 1 to our Annual Report on Form 10-K for the fiscal year ended December 31, 2010, in order to revise the Chief Executive Officer and Chief Financial Officer certifications originally filed as Exhibits 31.1 and 31.2, which inadvertently omitted certain language required to be included. This Form 10-K/A is limited in scope to the foregoing, and should be read in conjunction with the Form 10-K and our other filings with the SEC.

This Form 10-K/A does not reflect events occurring after the filing of the Form 10-K or modify or update those disclosures affected by subsequent events.

PART IV

ITEM 15. EXHIBITS, FINANCIAL STATEMENT SCHEDULES

1

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Newport Beach, State of California, on April 19, 2011.

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated: