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UNITEDSTATES
SECURITIESANDEXCHANGECOMMISSION
Washington,D.C.20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number 811-06499

Name of Fund: BlackRock MuniYield California Fund, Inc. (MYC)

Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809

Name and address of agent for service: Anne F. Ackerley, Chief Executive Officer, BlackRock
MuniYield California Fund, Inc., 55 East 52nd Street, New York, NY 10055.

Registrant’s telephone number, including area code: (800) 882-0052, Option 4

Date of fiscal year end: 07/31/2010

Date of reporting period: 10/31/2009

Item 1 – Schedule of Investments

BlackRock MuniYield California Fund, Inc. (MYC)       
Schedule of Investments October 31, 2009 (Unaudited)  (Percentages shown are based on Net Assets) 
      Par   
  Municipal Bonds    (000)  Value 
California - 110.5%         
Corporate - 1.5%  California Pollution Control Financing Authority, RB, Waste     
  Management Inc. Project, Series C, AMT, 6.75%, 12/01/27  $ 3,300  $ 3,395,370 
  City of Chula Vista, California, RB, San Diego Gas,     
  Series A, 5.88%, 2/15/34    975  1,051,625 
        4,446,995 
County/City/Special District/School  Arcata Joint Powers Financing Authority, California, TAN,     
District - 37.9%  Community Development Project Loan, Series A     
  (AMBAC), 6.00%, 8/01/23    2,520  2,520,504 
  California State Department of Water Resources, Refunding     
  RB, Water System, Series AF, 5.00%, 12/01/29  2,500  2,636,150 
  City of Los Angeles, California, COP, Senior, Sonnenblick     
  Del Rio West Los Angeles (AMBAC), 6.20%, 11/01/31  2,000  2,042,420 
  City of Los Angeles, California, Refunding RB,     
  Series A, 5.00%, 6/01/39    9,870  10,134,319 
El Monte Union High School District, California, GO,       
  Election of 2002, Series C (FSA), 5.25%, 6/01/32  10,120  10,294,368 
Fontana Unified School District, California, GO, Series A
  (FSA), 5.25%, 8/01/28    7,000  7,170,730 
Grant Joint Union High School District, California, GO,   
  Election of 2006 (FSA), 5.00%, 8/01/29    9,390  9,496,107 
  Hayward Unified School District, California, GO, Election     
  of 2008, 5.25%, 8/01/29    5,395  5,561,436 
Marin Community College District, GO, Election of 2004,
  Series A (MBIA), 5.00%, 8/01/28    5,885  6,083,501 
  Modesto Irrigation District, COP, Series B, 5.50%, 7/01/35  3,300  3,476,385 
Morgan Hill Unified School District, California, GO, CAB
  (FGIC), 5.06%, 8/01/26 (a)(b)    7,570  3,568,422 
Murrieta Valley Unified School District Public Financing   
  Authority, Special Tax, Series A (AGC), 5.13%, 9/01/26  6,675  6,949,610 
Oak Grove School District, California, GO, Election of     
  2008, Series A, 5.50%, 8/01/33    4,000  4,250,960 
Orange County Sanitation District, COP (MBIA), 5.00%,   
  2/01/33    5,250  5,315,835 
  Pico Rivera Public Financing Authority, RB, 5.50%, 9/01/31  1,500  1,515,780 
  Pico Rivera Public Financing Authority, RB, 5.75%, 9/01/39  4,365  4,441,038 
  Pittsburg Redevelopment Agency, TAN, Refunding,     
Subordinate, Los Medanos Community Project, Series A,
  6.50%, 9/01/28    2,500  2,700,100 
  San Diego Regional Building Authority, California, RB, County     
  Operations Center & Annex, Series A, 5.38%,     
  2/01/36    3,200  3,297,312 
Portfolio Abbreviations         

To simplify the listings of portfolio holdings in the Schedule of Investments, the names and descriptions of many of the securities
have been abbreviated according to the following list.

AGC  American Capital Access Corp.  GNMA  Government National Mortgage Association 
AMBAC  American Municipal Bond Assurance Corp.  GO  General Obligation Bonds 
AMT  Alternative Minimum Tax (subject to)  MBIA  Municipal Bond 
CAB  Capital Appreciation Bonds     
COP  Certificates of Participation  RB  Revenue Bonds 
FGIC  Financial Guaranty Insurance Co.  TAN  Tax Anticipation Notes 
FSA  Financial Security Assurance Inc.     

1

BlackRock MuniYield California Fund, Inc. (MYC)       
Schedule of Investments October 31, 2009 (Unaudited)  (Percentages shown are based on Net Assets) 
         Par   
  Municipal Bonds    (000)  Value 
  San Francisco Bay Area Transit Financing Authority,     
  Refunding RB, Series A (MBIA), 5.00%, 7/01/34  $ 5,430  $ 5,496,409 
  San Jose Evergreen Community College District, California,     
  GO, CAB, Election of 2004, Series A       
  (MBIA), 5.12%, 9/01/23 (b)    10,005  4,690,944 
  San Juan Unified School District, California, GO, Election     
  of 2002 (MBIA), 5.00%, 8/01/28    5,000  5,011,500 
Santa Cruz County Redevelopment Agency, California,                                       
  TAN, Live Oak, Soquel Community Improvement,     
  Series A, 6.63%, 9/01/29    1,000  1,058,010 
Santa Cruz County Redevelopment Agency, California,                                       
  TAN, Live Oak, Soquel Community Improvement,     
  Series A, 7.00%, 9/01/36    500  530,585 
  Vacaville Unified School District, California, GO, Election     
  of 2001 (MBIA), 5.00%, 8/01/30    4,745  4,708,321 
  Ventura Unified School District, California, GO, Election of     
  1997, Series H (FSA), 5.13%, 8/01/34    1,000  1,014,440 
Westminster Redevelopment Agency, California, TAN,                                      
Subordinate, Commercial Redevelopment Project No. 1                                     
  (AGC), 6.25%, 11/01/39    1,250  1,425,400 
        115,390,586 
Education - 6.7%  California Infrastructure & Economic Development Bank, RB,     
  J. David Gladstone Institute Project, 5.50%, 10/01/22  4,990  5,087,954 
  California State University, RB, Systemwide,     
  Series A, 5.25%, 11/01/34    1,500  1,500,000 
  California State University, RB, Systemwide,     
  Series A, 5.50%, 11/01/39    2,725  2,755,547 
University of California, RB, Limited Project, Series D                                      
  (MBIA), 5.00%, 5/15/32    2,500  2,520,250 
  University of California, RB, Series L, 5.00%, 5/15/36  8,500  8,649,345 
        20,513,096 
Health - 18.8%  ABAG Finance Authority for Nonprofit Corp., RB, California     
  Revenue Sharp Healthcare, 6.38%, 8/01/34    1,750  1,836,187 
  ABAG Finance Authority for Nonprofit Corp., RB, Redwood     
  Senior Homes & Services, 6.00%, 11/15/22    1,730  1,728,391 
  California Health Facilities Financing Authority, California,     
  RB, Catholic Healthcare West, Series A, 6.00%, 7/01/39  10,000  10,454,100 
  California Health Facilities Financing Authority, California,     
  RB, Saint Joseph Health System, Series A, 5.50%, 7/01/29  2,000  2,069,580 
  California Health Facilities Financing Authority, RB,     
  Catholic Healthcare West, Series E, 5.63%, 7/01/25 (c)  6,000  6,190,920 
  California Statewide Communities Development Authority,     
COP, John Muir, Mt Diablo Health System (MBIA), 5.13%,                                   
  8/15/22    4,000  4,001,800 
  California Statewide Communities Development Authority,     
  RB, Catholic Healthcare West, Series D, 5.50%, 7/01/31  5,000  5,049,400 
  California Statewide Communities Development Authority,     
  RB, Health Facilities, Memorial Health Services,     
  Series A, 6.00%, 10/01/23    3,270  3,389,126 
  California Statewide Communities Development Authority,     
  RB, Health Facilities, Memorial Health Services,     
  Series A, 5.50%, 10/01/33    3,000  3,018,390 

2

BlackRock MuniYield California Fund, Inc. (MYC)       
Schedule of Investments October 31, 2009 (Unaudited)  (Percentages shown are based on Net Assets) 
      Par   
  Municipal Bonds    (000)  Value 
  California Statewide Communities Development Authority,     
  RB, Senior Living Southern California, 6.25%, 11/15/19  $ 500  $ 530,210 
  California Statewide Communities Development Authority,     
  RB, Senior Living Southern California Presbyterian     
  Homes, 6.63%, 11/15/24    650  687,323 
  California Statewide Communities Development Authority,     
  RB, Senior Living Southern California Presbyterian     
  Homes, 7.00%, 11/15/29    500  537,285 
  California Statewide Communities Development Authority,     
  RB, Senior Living Southern California Presbyterian     
  Homes, 7.25%, 11/15/41    1,750  1,876,298 
  California Statewide Communities Development Authority,     
  RB, Kaiser, Series C, 5.25%, 8/01/31 (d)    6,975  6,815,273 
  California Statewide Communities Development Authority,     
  Series C, 5.75%, 7/01/47    7,525  7,758,877 
City of Torrance, California, RB, Torrance Memorial                              
  Medical Center, Series A, 6.00%, 6/01/22    1,310  1,348,252 
        57,291,412 
Housing - 1.2%  California Rural Home Mortgage Finance Authority, California,     
RB, Mortgage Backed Securities Program, Series B, AMT                      
  (GNMA), 6.15%, 6/01/20    25  25,128 
  California Rural Home Mortgage Finance Authority,     
  California, RB, Sub-Series FH-1, AMT, 5.50%, 8/01/47  415  230,972 
  Santa Clara County Housing Authority, California, RB, John     
  Burns Gardens Apartments Project, Series A, AMT, 6.00%,     
  8/01/41    3,500  3,542,805 
        3,798,905 
State - 6.6%  California State Public Works Board, RB, Department     
  Development Services, Porterville, Series C, 6.25%,     
  4/01/34    1,100  1,141,129 
California State Public Works Board, RB, Department                            
Education, Riverside Campus Project, Series B, 6.50%,                         
  4/01/34    10,000  10,911,300 
  State of California, GO, 5.50%, 8/01/30    2,500  2,523,975 
  State of California, GO, Various Purpose, 6.50%, 4/01/33  5,000  5,526,050 
        20,102,454 
Transportation - 2.7%  City of San Jose, California, RB, Series D (MBIA), 5.00%,     
  3/01/28    4,115  4,037,268 
  County of Orange, California, RB, Series B, 5.75%, 7/01/34  3,000  3,227,640 
  County of Sacramento, California, RB, Senior     
  Series B, 5.75%, 7/01/39    900  963,612 
        8,228,520 
Utilities - 35.1%  Anaheim Public Financing Authority, California, RB, Electric     
System Distribution Facilities, Series A (FSA), 5.00%,                          
  10/01/31    5,000  5,049,800 
  California Infrastructure & Economic Development Bank, RB,     
  California Independent System Operator,       
  Series A, 6.25%, 2/01/39    2,170  2,303,932 
California State Department of Water Resources, RB,                           
  Central Valley Project, Series AE, 5.00%, 12/01/28  6,000  6,441,240 
  California Statewide Communities Development Authority,     
RB, Pooled Financing Program, Series C (FSA), 5.25%,                          
  10/01/28    2,380  2,419,460 

3

BlackRock MuniYield California Fund, Inc. (MYC)       
Schedule of Investments October 31, 2009 (Unaudited)  (Percentages shown are based on Net Assets) 
         Par   
  Municipal Bonds    (000)  Value 
  Chino Basin Regional Financing Authority, California, RB,     
Inland Empire Utility Agency, Series A (AMBAC), 5.00%,     
  11/01/33    $ 4,015  $ 3,878,932 
  City of Chula Vista, California, RB, 5.88%, 1/01/34  1,500  1,617,885 
  Eastern Municipal Water District, California, COP,     
  Series H, 5.00%, 7/01/35    7,540  7,613,440 
Los Angeles Department of Water & Power, RB, Power      
  System, Sub-Series A-1 (AMBAC), 5.00%, 7/01/37  15,100  15,358,663 
Los Angeles Department of Water & Power, RB, System,   
  Series A, 5.38%, 7/01/38    3,200  3,383,616 
Los Angeles Department of Water & Power, RB, System,   
  Sub-Series A-2 (FSA), 5.00%, 7/01/35    7,500  7,622,775 
Metropolitan Water District of Southern California, RB,     
  Authorization, Series C, 5.00%, 7/01/35    7,085  7,237,611 
Metropolitan Water District of Southern California, RB,     
  Series A (FSA), 5.00%, 7/01/30    1,000  1,032,290 
Metropolitan Water District of Southern California, RB,     
  Series A, 5.00%, 7/01/32    1,240  1,278,948 
  Metropolitan Water District of Southern California,     
  Refunding RB, Series B, 5.00%, 7/01/35    2,625  2,681,543 
  Oxnard Financing Authority, RB, Redwood Trunk Sewer &     
  Headworks, Series A (MBIA), 5.25%, 6/01/34    4,160  4,159,792 
Sacramento Municipal Utility District, RB, Cosumnes         
  Project (MBIA), 5.13%, 7/01/29    18,500  18,849,095 
Sacramento Regional County Sanitation District, RB,         
  County Sanitation District 1 (MBIA), 5.00%, 8/01/35  5,375  5,452,346 
  San Diego Public Facilities Financing Authority, RB, Senior     
  Series A, 5.38%, 5/15/34    1,900  1,943,358 
  San Francisco City & County Public Utilities Commission,     
  RB, Series A, 5.13%, 11/01/39    2,295  2,370,276 
  Semitropic Improvement District, Refunding RB,     
  Series A, 5.00%, 12/01/38    4,000  3,975,520 
  Western Municipal Water District Facilities Authority, RB,     
  Series B, 5.00%, 10/01/39    2,000  2,024,900 
        106,695,422 
  Total Municipal Bonds in California      336,467,390 
Puerto Rico - 1.8%         
County/City/Special District/School  Puerto Rico Sales Tax Financing Corp., RB, First     
District - 1.8%  Sub-Series A, 6.50%, 8/01/44    5,000  5,407,500 
  Total Municipal Bonds in Puerto Rico      5,407,500 
  Total Municipal Bonds - 112.3%      341,874,890 
  Municipal Bonds Transferred to       
  Tender Option Bond Trusts (e)       
California - 44.8%         
County/City/Special District/School  Contra Costa Community College District, California,     
District - 15.3%  GO, Election of 2002 (FSA), 5.00%, 8/01/30    10,210  10,438,704 
  Fremont Unified School District Alameda County, California,     
  GO, Election of 2002, Series B (FSA), 5.00%, 8/01/30  4,003  4,107,328 
Los Angeles Community College District, California, GO,   
  Election of 2003, Series E (FSA), 5.00%, 8/01/31  10,002  10,265,947 
Los Angeles Community College District, California, GO,   
  Election of 2008, Series A, 6.00%, 8/01/33    3,828  4,325,895 

4

BlackRock MuniYield California Fund, Inc. (MYC)       
Schedule of Investments October 31, 2009 (Unaudited)  (Percentages shown are based on Net Assets) 
  Municipal Bonds Transferred to       Par   
  Tender Option Bond Trusts (d)    (000)         Value 
Peralta Community College District, California, GO,                                          
  Election of 2000, Series D (FSA), 5.00%, 8/01/30  $ 1,995  $ 2,047,987 
San Diego Community College District, California, GO,                                      
  Election of 2002, 5.25%, 8/01/33    7,732  8,117,942 
Sonoma County Junior College District, GO, Refunding,                                     
  Election of 2002, Series B (FSA), 5.00%, 8/01/28  6,875  7,106,723 
        46,410,526 
Education - 17.5%  California Educational Facilities Authority, RB, University of     
  Southern California, Series A, 5.25%, 10/01/39  13,845  14,590,000 
California State University, RB, Systemwide, Series A                                        
  (FSA), 5.00%, 11/01/39    4,840  4,793,923 
Santa Clara County Financing Authority, Refunding RB,                                     
  Lease, Series L, 5.25%, 5/15/36    10,001  10,463,182 
University of California, RB, Limited Project, Series B                                      
  (FSA), 5.00%, 5/15/33    8,490  8,527,441 
  University of California, RB, Series L, 5.00%, 5/15/40  11,597  11,771,407 
  University of California, RB, Series O, 5.75%, 5/15/34  2,805  3,102,021 
        53,247,974 
Transportation - 2.0%  San Francisco Bay Area Transit Financing Authority,     
  Refunding RB, Series A (MBIA), 5.00%, 7/01/30  6,000  6,142,260 
Utilities - 10.0%  Eastern Municipal Water District, California, Water and     
  Sewer, COP, Series H, 5.00%, 7/01/33    4,748  4,810,967 
Metropolitan Water District of Southern California, RB,                                     
  Series A, 5.00%, 7/01/37    20,000  20,497,800 
San Diego County Water Authority, COP, Series A (FSA),                                   
  5.00%, 5/01/31    5,010  5,043,517 
        30,352,284 
  Total Municipal Bonds Transferred to       
  Tender Option Bond Trusts - 44.8%      136,153,044 
  Total Long-Term Investments       
  (Cost - $473,299,400) - 157.1%      478,027,934 
  Short-Term Securities    Shares   
  CMA California Municipal Money Fund, 0.04% (f)(g)  8,307  8,307 
  Total Short-Term Securities       
  (Cost - $8,307) - 0.0%      8,307 
  Total Investments (Cost - $473,307,707*) - 157.1%    478,036,241 
  Other Assets Less Liabilities - 2.2%      6,616,383 
  Liability for Trust Certificates, Including Interest     
  Expense and Fees Payable - (24.5)%           (74,446,639) 
  Preferred Shares, at Redemption Value - (34.8)%    (105,960,244) 
  Net Assets Applicable to Common Shares - 100.0%  $ 304,245,741 

* The cost and unrealized appreciation (depreciation) of investments as of October 31, 2009, as

computed for federal income tax purposes, were as follows:

Aggregate cost  $ 398,728,665 
Gross unrealized appreciation  $ 9,122,824 
Gross unrealized depreciation  (4,191,258) 
Net unrealized appreciation  $ 4,931,566 

5

BlackRock MuniYield California Fund, Inc. (MYC)
Schedule of Investments October 31, 2009 (Unaudited)

(a) Security is collateralized by Municipal or US Treasury Obligations.
(b) Represents a zero-coupon bond. Rate shown reflects the effective yield as of report date.
(c) When-issued security.

    Unrealized 
  Market  Appreciation 
Counterparty  Value  (Depreciation) 
Citigroup NA  $ 6,190,920  - 

(d) Variable rate security. Rate shown is as of report date.
(e) Securities represent bonds transferred to a tender option bond trust in exchange for which the Fund
acquired the residual interest certificates. These securities serve as collateral in a financing transaction.
(f) Investments in companies considered to be an affiliate of the Fund, for purposes of
Section 2(a)(3) of the Investment Company Act of 1940, were as follows:

  Net   
Affiliate  Activity           Income 
CMA California Municipal     
   Money Fund  $ (7,599,390)  $ 700 

(g) Represents the current yield as of report date.

• Fair Value Measurements - Various inputs are used in determining the fair value of investments, which are as follows:
• Level 1 - price quotations in active markets/exchanges for identical assets and liabilities
• Level 2 - other observable inputs (including, but not limited to: quoted prices for similar assets or liabilities in
markets that are active, quoted prices for identical or similar assets or liabilities in markets that are not active,
inputs other than quoted prices that are observable for the assets or liabilities (such as interest rates, yield curves,
volatilities, prepayment speeds, loss severities, credit risks and default rates) or other market-corroborated inputs)

• Level 3 - unobservable inputs based on the best information available in the circumstances, to the extent
observable inputs are not available (including the Fund's own assumptions used in determining the fair value of
investments)

The inputs or methodology used for valuing securities are not necessarily an indication of the risk associated with investing
in those securities. For information about the Fund's policy regarding valuation of investments and other significant
accounting policies, please refer to the Fund's most recent financial statements as contained in its annual report.

The following table summarizes the inputs used as of October 31, 2009 in determining the fair valuation of
the Fund's investments:

Valuation  Investments in 
Inputs  Securities 
  Assets 
Level 1 - Short-Term Securities  $ 8,307 
Level 2 - Long-Term Investments1  478,027,934 
Level 3  - 
Total  $ 478,036,241 

1See above Schedule of Investments for values in each sector.

6

Item 2 – Controls and Procedures

2(a) – The registrant's principal executive and principal financial officers or persons performing similar
functions have concluded that the registrant's disclosure controls and procedures (as defined in Rule
30a-3(c) under the Investment Company Act of 1940, as amended (the “1940 Act”)) are effective as
of a date within 90 days of the filing of this report based on the evaluation of these controls and
procedures required by Rule 30a-3(b) under the 1940 Act and Rule 13(a)-15(b) under the Securities
Exchange Act of 1934, as amended.

2(b) – There were no changes in the registrant's internal control over financial reporting (as defined in Rule
30a-3(d) under the 1940 Act) that occurred during the registrant's last fiscal quarter that have
materially affected, or are reasonably likely to materially affect, the registrant's internal control over
financial reporting.

Item 3 – Exhibits

Certifications – Attached hereto

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company
Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned,
thereunto duly authorized.

BlackRock MuniYield California Fund, Inc.

By: /s/ Anne F. Ackerley
Anne F. Ackerley
Chief Executive Officer of
BlackRock MuniYield California Fund, Inc.

Date: December 18, 2009

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company
Act of 1940, this report has been signed below by the following persons on behalf of the registrant
and in the capacities and on the dates indicated.

By: /s/ Anne F. Ackerley
Anne F. Ackerley
Chief Executive Officer (principal executive officer) of
BlackRock MuniYield California Fund, Inc.

Date: December 18, 2009

By: /s/ Neal J. Andrews
Neal J. Andrews
Chief Financial Officer (principal financial officer) of
BlackRock MuniYield California Fund, Inc.

Date: December 18, 2009