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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 811-08573

Name of Fund: BlackRock MuniHoldings California Insured Fund, Inc. (MUC)

Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809

Name and address of agent for service: Anne F. Ackerley, Chief Executive Officer, BlackRock
MuniHoldings California Insured 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 MuniHoldings California Insured Fund, Inc. (MUC)     
Schedule of Investments October 31, 2009 (Unaudited)  (Percentages shown are based on Net Assets) 
      Par   
  Municipal Bonds    (000)  Value 
California - 124.4%         
Corporate - 0.4%  City of Chula Vista California, RB, San Diego Gas,     
  Series A, 5.88%, 2/15/34    $ 2,435  $ 2,626,367 
County/City/Special District/  Alameda County Joint Powers Authority, RB, Lease     
School District - 54.5%  Revenue (FSA), 5.00%, 12/01/34    13,150  13,297,674 
  Banning Unified School District, California, GO,     
  Election of 2006, Series A (MBIA), 5.00%, 8/01/27  2,825  2,850,086 
  Bonita Unified School District, California, GO, Election of     
  2004, Series B (BHAC), 5.00%, 8/01/31    5,000  5,146,800 
  Bonita Unified School District, California, GO, Election of     
  2004, Series B (MBIA), 5.00%, 8/01/29    8,350  8,468,820 
  Cajon Valley Union School District, California, GO,     
  Series B (MBIA), 5.50%, 8/01/27    2,925  3,032,728 
  Central Unified School District, GO, Election of 2008,     
  Series A (AGC), 5.63%, 8/01/33    2,600  2,792,530 
  City of Garden Grove California, COP, Series A, Financing     
  Project (AMBAC), 5.50%, 3/01/26    4,040  4,233,556 
  City of Lodi California, COP, Series A (FSA), 5.00%,     
  10/01/32    2,000  1,986,420 
  Coachella Valley Unified School District, California, GO,     
  Election, Series A (MBIA), 5.00%, 8/01/27    2,400  2,416,512 
  Colton Joint Unified School District, GO, Series A (MBIA),     
  5.38%, 8/01/26    2,500  2,561,325 
  Corona Department of Water & Power, COP (MBIA), 5.00%,     
  9/01/29    5,910  5,927,375 
Corona-Norca Unified School District, California, GO, Election
  of 2006, Series A (FSA), 5.00%, 8/01/31    5,000  5,037,950 
  County of Kern California, COP, Capital Improvement     
  Projects, Series A (AGC), 6.00%, 8/01/35    3,500  3,837,925 
  County of San Joaquin California, COP, County     
  Administration Building (MBIA), 5.00%, 11/15/30  5,530  5,314,164 
  Covina-Valley Unified School District, California, GO,     
  Series A (FSA), 5.50%, 8/01/26    2,395  2,534,173 
  Culver City Redevelopment Finance Authority, California,     
  TAN, Refunding, Tax Allocation, Series A (FSA), 5.60%,     
  11/01/25    3,750  3,832,087 
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  Assured Guaranty Corp.  GO  General Obligation Bonds 
AMBAC  American Municipal Bond Assurance Corp.  HFA  Housing Finance Agency 
AMT  Alternative Minimum Tax (subject to)  MBIA  Municipal Bond Investors Assurance 
BHAC  Berkshire Hathaway Assurance Corp.    (National Public Finance Guaranty Corp.) 
CAB  Capital Appreciation Bonds  RB  Revenue Bonds 
COP  Certificates of Participation  S/F  Single-Family 
FSA  Financial Security Assurance Inc.  TAN  Tax Anticipation Notes 

1

BlackRock MuniHoldings California Insured Fund, Inc. (MUC)     
Schedule of Investments October 31, 2009 (Unaudited)  (Percentages shown are based on Net Assets) 
         Par   
                                                                                 Municipal Bonds    (000)  Value 
                                                                                 Desert, California, Community College District, GO, Series     
                                                                                 C, 5.00%, 8/01/37    $ 13,600  $ 13,826,168 
                                                                                 East Side Union High School District-Santa Clara County,     
                                                                                 California, GO, CAB, Election of 2002, Series E     
                                                                                 (Syncora), 5.12%, 8/01/28 (a)    11,000  3,571,150 
                                                                                 Fullerton Joint Union High School District, California, GO,     
                                                                                 Election of 2002, Series B (MBIA), 5.00%, 8/01/29  5,200  5,348,720 
                                                                                 Hemet Unified School District, California, GO, Election of     
                                                                                 2006, Series B (AGC), 5.13%, 8/01/37    4,500  4,523,265 
                                                                                 Los Angeles Community College District CA, GO, Election     
                                                                                 of 2001, Series A (MBIA), 5.00%, 8/01/32    11,500  11,781,290 
                                                                                 Los Angeles Community Redevelopment Agency, California,     
                                                                                 RB, Bunker Hill Project, Series A (FSA),       
                                                                                 5.00%, 12/01/27    10,000  10,097,900 
                                                                                 Los Angeles County Metropolitan Transportation Authority,     
                                                                                 RB, Property A First Tier Senior, Series A (AMBAC), 5.00%,     
                                                                                 7/01/35    9,000  9,177,300 
                                                                                 Los Angeles Unified School District, California, GO,     
                                                                                 Election of 2004, Series H (FSA), 5.00%, 7/01/32  5,000  5,076,000 
                                                                                 Los Gatos Union School District, California, GO, Election of     
                                                                                 2001, Series B (FSA), 5.00%, 8/01/30    2,735  2,783,437 
                                                                                 Marysville California Joint Unified School District, GO,     
                                                                                 Election of 2008 (AGC), 5.13%, 8/01/34    6,915  6,964,581 
                                                                                 Merced Community College District, California, GO, School     
                                                                                 Facilities Improvement District No. 1 (MBIA), 5.00%,     
                                                                                 8/01/31    6,365  6,256,795 
                                                                                 Natomas Unified School District California, GO, Election of     
                                                                                 2006 (BHAC), 5.00%, 8/01/32    3,000  3,011,250 
                                                                                 Ohlone Community College District, GO, Ohlone, Series B     
                                                                                 (FSA), 5.00%, 8/01/30    5,000  5,132,800 
                                                                                 Poway Unified School District, Special Tax (AMBAC), 5.00%,     
                                                                                 9/15/31    9,070  8,618,223 
                                                                                 Redlands Unified School District, California, GO, Election     
                                                                                 of 2008 (FSA), 5.25%, 7/01/33    5,000  5,190,050 
                                                                                 Redwoods Community College District, GO, Election of     
                                                                                 2004 (MBIA), 5.00%, 8/01/31    4,630  4,551,290 
                                                                                 Riverside Unified School District, California, GO, Election     
                                                                                 of 2001, Series B (MBIA), 5.00%, 8/01/30    10,735  10,652,018 
                                                                                 Saddleback Valley Unified School District, California, GO     
                                                                                 (FSA), 5.00%, 8/01/29    4,115  4,217,793 
                                                                                 Salinas Union High School District, California, GO, Election     
                                                                                 of 2002, Series B (MBIA), 5.00%, 6/01/26    3,490  3,491,780 
                                                                                 San Bernardino Community College District, California, GO,     
                                                                                 Election of 2002, Series C (FSA), 5.00%, 8/01/31  17,770  18,229,177 

2

BlackRock MuniHoldings California Insured Fund, Inc. (MUC)     
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  $ 2,500  $ 2,530,575 
                                                                                 San Francisco Community College District, California, GO,     
                                                                                 Election of 2001, Series C (FSA), 5.00%, 6/15/31  4,195  4,301,721 
                                                                                 San Jose Evergreen Community College District, California,     
                                                                                 GO, CAB, Election of 2004, Series A (MBIA),       
                                                                                 5.17%, 9/01/24 (a)    10,410  4,491,395 
                                                                                 San Jose Evergreen Community College District, California,     
                                                                                 GO, CAB, Election of 2004, Series A (MBIA),       
                                                                                 5.34%, 9/01/29 (a)    7,250  2,223,503 
                                                                                 San Jose Financing Authority, RB, Civic Center Project,     
                                                                                 Series B (AMBAC), 5.00%, 6/01/32    14,800  14,927,872 
                                                                                 San Juan Unified School District, California, GO, Election     
                                                                                 of 2002 (MBIA), 5.00%, 8/01/28    4,250  4,259,775 
                                                                                 San Mateo County Transportation District, California,     
                                                                                 Refunding RB, Series A (MBIA), 5.00%, 6/01/29  5,650  5,852,835 
                                                                                 Sanger Unified School District, California, GO, Election of     
                                                                                 2006, Series A (FSA), 5.00%, 8/01/27    7,345  7,501,081 
                                                                                 Santa Clara Redevelopment Agency, California, TAN,     
                                                                                 Bayshore North Project, Series A (AMBAC), 5.50%, 6/01/23  10,000  10,049,100 
Santa Monica-Malibu Unified School District, California, GO,
                                                                                 Election of 2006, Series A (MBIA), 5.00%, 8/01/32  5,000  5,115,750 
                                                                                 Santa Rosa High School District, California, GO, Election of     
                                                                                 2002 (MBIA), 5.00%, 8/01/28    2,855  2,861,567 
                                                                                 Sierra Joint Community College District, California, GO,     
                                                                                 Improvement District 2, Western Nevada, Series A (MBIA),     
                                                                                 5.00%, 8/01/28    1,550  1,554,433 
                                                                                 Snowline Joint Unified School District, COP, Refinancing     
                                                                                 Program (AGC), 5.75%, 9/01/38    5,635  6,156,688 
                                                                                 Tracy Area Public Facilities Financing Agency, California,     
                                                                                 Special Tax, Refunding, Community Facilities District     
                                                                                 No. 87, Series H (MBIA), 5.88%, 10/01/19    4,125  4,150,616 
                                                                                 Vista Unified School District, California, GO, Series B     
                                                                                 (MBIA), 5.00%, 8/01/28    2,550  2,555,865 
Walnut Valley Unified School District, California, GO, Election
                                                                                 of 2007, Measure S, Series A (FSA), 5.00%,       
                                                                                 2/01/33    2,000  2,046,840 
                                                                                 Washington Unified School District-Yolo County, California,     
                                                                                 GO, CAB, Election of 2004, Series A (MBIA),       
                                                                                 5.07%, 8/01/29 (a)    6,075  1,875,292 
                                                                                 West Contra Costa Unified School District, California, GO,     
                                                                                 CAB, Election of 2002, Series C (MBIA), 5.08%, 8/01/29 (a)  5,825  1,684,765 
                                                                                 West Contra Costa Unified School District, California, GO,     
                                                                                 Election of 2002, Series B (FSA), 5.00%, 8/01/32  6,690  6,662,437 

3

BlackRock MuniHoldings California Insured Fund, Inc. (MUC)     
Schedule of Investments October 31, 2009 (Unaudited)  (Percentages shown are based on Net Assets) 
      Par   
  Municipal Bonds    (000)  Value 
  West Contra Costa Unified School District, California, GO,     
  Election of 2005, Series A (FSA), 5.00%, 8/01/26  $ 2,595  $ 2,641,502 
  Westminster Redevelopment Agency, California, TAN,     
  Subordinate, Commercial Redevelopment Project No. 1     
  (AGC), 6.25%, 11/01/39    4,300  4,903,376 
        314,118,100 
Education - 7.5%  California State Public Works Board, RB, University     
  California, Institute Project, Series C (AMBAC), 5.00%,     
  4/01/30    5,000  5,032,800 
  California State University, RB, Systemwide, Series A     
  (FSA), 5.00%, 11/01/29    5,000  5,115,200 
  California State University, RB, Systemwide, Series A     
  (FSA), 5.00%, 11/01/39    8,320  8,240,794 
  University of California, RB, General, Series A (AMBAC),     
  5.00%, 5/15/27    10,500  10,832,850 
  University of California, RB, Limited Project, Series D     
  (FSA), 5.00%, 5/15/37    5,950  5,983,261 
  University of California, RB, Limited Project, Series D     
  (FSA), 5.00%, 5/15/41    8,000  8,009,760 
        43,214,665 
Health - 3.9%  ABAG Finance Authority for Nonprofit Corp., RB, Sharp     
  Healthcare, 6.25%, 8/01/39    5,000  5,373,400 
  California Health Facilities Financing Authority, California,     
  RB, Catholic Healthcare West, Series A,       
  6.00%, 7/01/34    3,700  3,887,960 
  California Statewide Communities Development Authority,     
  RB, Health Facilities, Memorial Health Services, Series A,     
  6.00%, 10/01/23    4,915  5,094,053 
  California Statewide Communities Development Authority,     
  RB, Los Angeles Orthopedic Hospital Foundation (AMBAC),     
  5.50%, 6/01/19    1,090  1,089,924 
  California Statewide Communities Development Authority,     
  RB, Adventist, Series B (AGC), 5.00%, 3/01/37  7,000  6,796,440 
        22,241,777 
Housing - 0.1%  California HFA, RB, Series A-1, Class II, AMT (MBIA), 6.00%,     
  8/01/20    170  170,158 
  California Housing Finance Agency, RB, S/F Mortgage,     
  Series C-2, Class II, AMT (MBIA), 5.63%, 8/01/20  335  335,010 
        505,168 
State - 5.8%  California Community College Financing Authority, California,     
  RB, Grossmont, Palomar, Shasta, Series A (MBIA), 5.63%,     
  4/01/26    2,180  2,200,209 
  California State Public Works Board, RB, Department     
  Education, Riverside Campus Project, Series B, 6.50%,     
  4/01/34    3,500  3,818,955 

4

BlackRock MuniHoldings California Insured Fund, Inc. (MUC)     
Schedule of Investments October 31, 2009 (Unaudited)  (Percentages shown are based on Net Assets) 
           Par   
  Municipal Bonds    (000)  Value 
  California State University, RB, Systemwide, Series C     
  (MBIA), 5.00%, 11/01/28    $ 16,215  $ 16,151,924 
  State of California, GO, Various Purpose, 6.50%, 4/01/33  10,000  11,052,100 
        33,223,188 
Transportation - 15.0%  City of Fresno, California, RB, Series B, AMT (FSA), 5.50%,     
  7/01/20    4,455  4,482,487 
  City of Long Beach, California, RB, Series B, AMT (MBIA),     
  5.20%, 5/15/27    16,000  15,841,760 
  County of Orange, California, RB, Series B, 5.75%, 7/01/34  6,345  6,826,459 
  County of Sacramento, California, RB, Senior,     
  Series B, 5.75%, 7/01/39    2,650  2,837,302 
  Port of Oakland, RB, Series K, AMT (MBIA), 5.75%,     
  11/01/29    19,660  19,678,284 
  Port of Oakland, RB, Series L, AMT (MBIA), 5.38%,     
  11/01/27    25,350  24,877,222 
San Francisco City & County Airports Commission, RB, Second
  Series, Issue 24A, AMT (FSA), 5.50%, 5/01/24  6,430  6,488,192 
San Francisco City & County Airports Commission, Refunding
  RB, Second Series Issue 34E, AMT (FSA),       
  5.75%, 5/01/24    5,000  5,218,450 
        86,250,156 
Utilities - 37.2%  City of Escondido, California, COP, Series A (MBIA), 5.75%,     
  9/01/24    465  479,508 
  City of Glendale, California, RB (AGC), 5.00%, 2/01/31  5,000  5,142,600 
  City of Napa, California, RB (AMBAC), 5.00%, 5/01/35  9,100  9,265,165 
  City of Santa Clara, California, RB, Sub-Series A (MBIA),     
  5.00%, 7/01/28    6,050  6,057,623 
  East Bay Municipal Utility District, RB, Sub-Series A (MBIA),     
  5.00%, 6/01/35    11,920  12,252,568 
  East Bay Municipal Utility District, Refunding RB,     
  Sub-Series A (AMBAC), 5.00%, 6/01/33    6,545  6,727,671 
  East Bay Municipal Utility District, Refunding RB,     
  Sub-Series A (AMBAC), 5.00%, 6/01/37    14,515  14,845,361 
  Los Angeles Department of Water & Power, RB, System,     
  Sub-Series A-1 (AMBAC), 5.00%, 7/01/36    4,385  4,454,283 
  Los Angeles Department of Water & Power, RB, System,     
  Sub-Series A-2 (AMBAC), 5.00%, 7/01/35    2,000  2,032,740 
  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,     
  Authority, Series B-1 (MBIA), 5.00%, 10/01/33  9,000  9,140,310 
  Metropolitan Water District of Southern California, RB,     
  Series A (FSA), 5.00%, 7/01/35    13,550  13,803,385 

5

BlackRock MuniHoldings California Insured Fund, Inc. (MUC)     
Schedule of Investments October 31, 2009 (Unaudited)  (Percentages shown are based on Net Assets) 
           Par   
  Municipal Bonds    (000)  Value 
  Oxnard Financing Authority, RB, Project (MBIA), 5.00%,     
  6/01/31    $ 10,000  $ 9,831,000 
  Oxnard Financing Authority, RB, Redwood Trunk Sewer &     
  Headworks, Series A (MBIA), 5.25%, 6/01/34    13,000  12,999,350 
  Sacramento City Financing Authority, California, Refunding     
  RB (MBIA), 5.00%, 12/01/29    8,775  8,940,497 
  Sacramento Municipal Utility District, RB, Cosumnes     
  Project (MBIA), 5.13%, 7/01/29    36,760  37,453,661 
  Sacramento Regional County Sanitation District, RB (MBIA),     
  5.00%, 12/01/36    4,500  4,565,340 
  San Diego County Water Authority, COP, Series A (MBIA),     
  5.00%, 5/01/32    10,000  10,099,100 
  San Francisco City & County Public Utilities Commission,     
  RB, Series A (MBIA), 5.00%, 11/01/32    15,000  15,099,600 
  San Francisco City & County Public Utilities Commission,     
  RB, Series B, 5.00%, 11/01/30    16,705  17,208,823 
  Turlock Public Financing Authority, California, RB,     
  Series A (MBIA), 5.00%, 9/15/33    6,655  6,698,856 
        214,720,216 
  Total Municipal Bonds in California      716,899,637 
Puerto Rico - 0.9%         
County/City/Special  Puerto Rico Sales Tax Financing Corp., RB, First     
District/School District - 0.9%  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 - 125.3%      722,307,137 
  Municipal Bonds Transferred to       
  Tender Option Bond Trusts (b)       
California - 18.4%         
County/City/Special District/  Chaffey Community College District, GO, Election of 2002,     
School District - 18.4%  Series B (MBIA), 5.00%, 6/01/30    9,905  10,161,897 
  Contra Costa Community College District, California, GO,     
  Election of 2002 (MBIA), 5.00%, 8/01/28    7,800  8,021,832 
  Los Angeles Community College District, California, GO,     
  Election of 2003, Series E (FSA), 5.00%, 8/01/31  11,216  11,512,637 
  Los Angeles Community College District, California, GO,     
  Election of 2008, Series A, 6.00%, 8/01/33    9,596  10,842,974 
  Peralta Community College District, California, GO,     
  Election of 2000, Series D (FSA), 5.00%, 8/01/35  15,490  15,712,901 
  Peralta Community College District, California, GO (FSA),     
  5.00%, 8/01/32    6,980  7,155,268 
  Poway Unified School District, GO, Election of 2002     
  Improvement District 02, Series 1-B (FSA), 5.00%, 8/01/30  10,000  10,113,500 
Riverside Community College District, GO, Election of 2004,
  Series C (MBIA), 5.00%, 8/01/32    8,910  9,133,730 

6

BlackRock MuniHoldings California Insured Fund, Inc. (MUC)     
Schedule of Investments October 31, 2009 (Unaudited)  (Percentages shown are based on Net Assets) 
  Municipal Bonds Transferred to         Par   
  Tender Option Bond Trusts (b)    (000)         Value 
  San Diego Community College District, California, GO,     
  Election of 2002 (FSA), 5.00%, 5/01/30    $ 12,549  $ 12,869,965 
  Vista Unified School District, California, GO, Series A (FSA),     
  5.25%, 8/01/25    10,016  10,442,827 
        105,967,531 
Education - 5.2%  University of California, RB, Limited Project, Series B (FSA),     
  5.00%, 5/15/33    17,400  17,476,734 
  University of California, RB, Series O, 5.75%, 5/15/34  11,190  12,374,909 
        29,851,643 
Transportation - 4.1%  San Francisco Bay Area Transit Financing Authority,     
  Refunding RB, Series A (MBIA), 5.00%, 7/01/30  23,100  23,647,701 
Utilities - 5.4%  Los Angeles Department of Water & Power, RB, Power     
  System, Sub-Series A-1 (FSA), 5.00%, 7/01/31  4,993  5,133,562 
  Rancho Water District Financing Authority, California,     
  Refunding RB, Series A (FSA), 5.00%, 8/01/34  5,008  5,096,723 
  San Diego County Water Authority, COP, Refunding, Series     
  2008-A, COP (FSA), 5.00%, 5/01/33    16,740  16,774,484 
  San Diego County Water Authority, COP, Series A (FSA),     
  5.00%, 5/01/31    4,000  4,026,760 
        31,031,529 
  Total Municipal Bonds Transferred to       
  Tender Option Bond Trusts - 33.1%      190,498,404 
  Total Long-Term Investments       
  (Cost - $913,924,774) - 158.4%      912,805,541 
  Short-Term Securities    Shares   
  CMA California Municipal Money Fund, 0.04% (c)(d)  4,801,887  4,801,887 
  Total Short-Term Securities       
  (Cost - $4,801,887) - 0.8%      4,801,887 
  Total Investments (Cost - $918,726,661*) - 159.2%    917,607,428 
  Other Assets Less Liabilities - 3.2%      18,269,518 
  Liability for Trust Certificates, Including Interest     
  Expense and Fees Payable - (18.3)%      (105,332,465) 
  Preferred Shares, at Redemption Value - (44.1)%    (254,019,076) 
  Net Assets Applicable to Common Shares - 100.0%  $ 576,525,405 

* 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  $ 820,126,547 
Gross unrealized appreciation  $ 20,741,312 
Gross unrealized depreciation  (13,019,289) 
Net unrealized appreciation  $ 7,722,023 

(a) Represents a zero-coupon bond. Rate shown is as of report date.

(b) 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.

7

BlackRock MuniHoldings California Insured Fund, Inc. (MUC)
Schedule of Investments October 31, 2009 (Unaudited)

(c) 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:

       Affiliate  Net Activity  Income 
       CMA California Municipal Money Fund  $(38,798,362)  $ 2,059 
(d) 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:

  Investments in 
Valuation Inputs  Securities 
  Assets 
Level 1 - Short-Term Securities  $ 4,801,887 
Level 2 - Long-Term Investments1  912,805,541 
Level 3  - 
Total  $ 917,607,428 

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

8

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 MuniHoldings California Insured Fund, Inc.

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

Date: December 18, 2009

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

Date: December 18, 2009