Form N-Q

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549

FORM N-Q


QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number         811-09161         

        Nuveen California Dividend Advantage Municipal Fund         
(Exact name of registrant as specified in charter)


        333 West Wacker Drive, Chicago, Illinois 60606         
(Address of principal executive offices) (Zip code)


Jessica R. Droeger—Vice President and Secretary
        333 West Wacker Drive, Chicago, Illinois 60606         
(Name and address of agent for service)

Registrant's telephone number, including area code:         312-917-7700        

Date of fiscal year end:            8/31          

Date of reporting period:          11/30/05         

Form N-Q is to be used by management investment companies, other than small business investment companies registered on Form N-5 (§§ 239.24 and 274.5 of this chapter), to file reports with the Commission, not later than 60 days after the close of the first and third fiscal quarters, pursuant to rule 30b1-5 under the Investment Company Act of 1940 (17 CFR 270.30b1-5). The Commission may use the information provided on Form N-Q in its regulatory, disclosure review, inspection, and policymaking roles.

A registrant is required to disclose the information specified by Form N-Q, and the Commission will make this information public. A registrant is not required to respond to the collection of information contained in Form N-Q unless the Form displays a currently valid Office of Management and Budget (“OMB”) control number. Please direct comments concerning the accuracy of the information collection burden estimate and any suggestions for reducing the burden to the Secretary, Securities and Exchange Commission, 450 Fifth Street, NW, Washington, DC 20549-0609. The OMB has reviewed this collection of information under the clearance requirements of 44 U.S.C. § 3507.

Item 1. Schedule of Investments

  Portfolio of Investments (Unaudited)
Nuveen California Dividend Advantage Municipal Fund (NAC)
November 30, 2005

Principal    Optional Call    Market 
Amount (000)  Description(1)   Provisions*  Ratings**  Value 
  Consumer Staples - 2.7% (1.9% of Total Investments)       
$ 1,330  California County Tobacco Securitization Agency, Tobacco Settlement Asset-Backed Bonds, Sonoma  6/15 at 100.00  BBB  $ 1,280,950 
  County Tobacco Securitization Corporation, Series 2005, 4.250%, 6/01/21       
5,200  Golden State Tobacco Securitization Corporation, California, Tobacco Settlement Asset-Backed Bonds,  6/13 at 100.00  BBB  5,648,188 
  Series 2003A-1, 6.250%, 6/01/33       
3,035  Tobacco Securitization Authority of Southern California, Tobacco Settlement Asset-Backed Bonds, San  6/12 at 100.00  BBB  3,090,328 
  Diego County Tobacco Asset Securitization Corporation, Senior Series 2001A, 5.250%, 6/01/27       
  Education and Civic Organizations - 11.8% (8.1% of Total Investments)       
5,000  California Educational Facilities Authority, Revenue Bonds, Pepperdine University, Series 2005A,  12/15 at 100.00  Aaa  5,185,300 
  5.000%, 12/01/35 - AMBAC Insured       
615  California Statewide Community Development Authority, Revenue Bonds, Notre Dame de Namur  10/13 at 100.00  N/R  629,120 
  University, Series 2003, 6.500%, 10/01/23       
3,000  Long Beach Bond Financing Authority, California, Lease Revenue Refunding Bonds, Long Beach Aquarium  11/11 at 100.00  AAA  3,283,770 
  of the South Pacific, Series 2001, 5.500%, 11/01/17 - AMBAC Insured       
700  University of California, Certificates of Participation, San Diego and Sacramento Campus Projects,  1/10 at 101.00  Aa2  730,401 
  Series 2002A, 5.250%, 1/01/22       
6,000  University of California, Revenue Bonds, Multiple Purpose Projects, Series 2000K, 5.000%, 9/01/12  9/08 at 101.00  AA  6,305,400 
  University of California, Revenue Bonds, Multi-Purpose Projects, Series 2002O:       
10,770  5.000%, 9/01/20 - FGIC Insured  9/10 at 101.00  AAA  11,343,072 
11,305  5.000%, 9/01/21 - FGIC Insured  9/10 at 101.00  AAA  11,881,894 
3,500  University of California, Revenue Bonds, Multi-Purpose Projects, Series 2003A, 5.125%, 5/15/17 -  5/13 at 100.00  AAA  3,751,685 
  AMBAC Insured       
  Healthcare - 7.0% (4.8% of Total Investments)       
2,160  California Health Facilities Financing Authority, Health Facility Revenue Bonds, Adventist Health  3/13 at 100.00  A  2,246,378 
  System/West, Series 2003A, 5.000%, 3/01/15       
1,325  California Health Facilities Financing Authority, Revenue Bonds, Cedars-Sinai Medical Center,  11/15 at 100.00  A3  1,338,754 
  Series 2005, 5.000%, 11/15/34       
530  California Statewide Community Development Authority, Revenue Bonds, Daughters of Charity Health  7/15 at 100.00  BBB+  546,282 
  System, Series 2005A, 5.250%, 7/01/24       
8,000  Central California Joint Powers Health Finance Authority, Certificates of Participation, Community  2/10 at 101.00  Baa2  8,339,200 
  Hospitals of Central California Obligated Group, Series 2000, 6.000%, 2/01/30       
10,500  Duarte, California, Certificates of Participation, City of Hope National Medical Center, Series  4/09 at 101.00  BBB+  10,589,040 
  1999A, 5.250%, 4/01/31       
2,500  Whittier, California, Health Facility Revenue Bonds, Presbyterian Intercommunity Hospital, Series  6/12 at 101.00  A  2,649,500 
  2002, 5.600%, 6/01/22       
  Housing/Multifamily - 8.0% (5.5% of Total Investments)       
7,250  California Statewide Community Development Authority, Revenue Refunding Bonds, Irvine Apartment  7/08 at 101.00  BBB  7,404,643 
  Communities Development, Series 1998A, 4.900%, 5/15/25 (Mandatory put 5/15/08)       
5,215  California Statewide Community Development Authority, GNMA Collateralized Housing Revenue Refunding  8/12 at 105.00  Aaa  5,785,052 
  Bonds, Crowne Pointe Project, Series 2002F, 6.750%, 8/20/37       
5,000  Contra Costa County, California, Multifamily Housing Revenue Bonds, Delta View Apartments Project,  6/09 at 102.00  N/R  5,241,400 
  Series 1999C, 6.750%, 12/01/30 (Alternative Minimum Tax)       
1,725  Rohnert Park Finance Authority, California, Senior Lien Revenue Bonds, Rancho Feliz Mobile Home  9/13 at 100.00  BBB  1,863,035 
  Park, Series 2003A, 5.750%, 9/15/38       
1,120  Rohnert Park Finance Authority, California, Subordinate Lien Revenue Bonds, Rancho Feliz Mobile  9/13 at 100.00  N/R  1,202,600 
  Home Park, Series 2003B, 6.625%, 9/15/38       
7,500  San Bernardino County Housing Authority, California, Multifamily Housing Revenue Refunding Bonds,  No Opt. Call  BBB+  7,810,425 
  Equity Residential Properties/Redlands Lawn and Tennis Apartments, Series 1999A, 5.200%, 6/15/29       
  (Mandatory put 6/15/09)       
  Long-Term Care - 2.4% (1.6% of Total Investments)       
8,500  Riverside County Public Financing Authority, California, Certificates of Participation, Air Force  5/09 at 101.00  BBB-  8,749,220 
  Village West, Series 1999, 5.800%, 5/15/29       
  Tax Obligation/General - 20.8% (14.3% of Total Investments)       
  California, General Obligation Refunding Bonds, Series 2002:       
8,000  5.000%, 2/01/12  No Opt. Call  A  8,541,280 
4,435  6.000%, 4/01/16 - AMBAC Insured  No Opt. Call  AAA  5,169,392 
  California, General Obligation Bonds, Series 2003:       
2,000  5.250%, 11/01/19 - RAAI Insured  11/13 at 100.00  AA  2,150,200 
5,200  5.250%, 2/01/20  8/13 at 100.00  A  5,538,728 
  California, General Obligation Bonds, Series 2004:       
5,000  5.125%, 4/01/23  4/14 at 100.00  A  5,252,150 
4,150  5.125%, 4/01/25  4/14 at 100.00  A  4,344,552 
5,000  Fresno Unified School District, Fresno County, California, General Obligation Bonds, Series 2002A,  No Opt. Call  AAA  6,082,150 
  6.000%, 8/01/26 - MBIA Insured       
2,335  Los Angeles Community College District, Los Angeles County, California, General Obligation Bonds,  8/15 at 100.00  AAA  2,445,165 
  Series 2005A, 5.000%, 6/01/26 - FSA Insured       
10,845  Los Angeles Unified School District, California, General Obligation Bonds, Series 2002E, 5.000%,  7/12 at 100.00  AAA  11,452,320 
  7/01/19 - MBIA Insured       
3,335  Moreno Valley Unified School District, Riverside County, California, General Obligation Bonds,  8/14 at 100.00  AAA  3,608,470 
  Series 2004A, 5.250%, 8/01/21 - FSA Insured       
5,210  Oak Valley Hospital District, Stanislaus County, California, General Obligation Bonds, Series 2005,  7/14 at 101.00  Aaa  5,319,202 
  5.000%, 7/01/35 - FGIC Insured       
1,750  Oakland Unified School District, Alameda County, California, General Obligation Bonds, Series 2001,  8/08 at 101.00  AAA  1,831,340 
  5.125%, 8/01/21 - FSA Insured       
  Oakland Unified School District, Alameda County, California, General Obligation Bonds, Series 2005:       
770  5.000%, 8/01/25 - MBIA Insured  8/15 at 100.00  AAA  804,481 
810  5.000%, 8/01/26 - MBIA Insured  8/15 at 100.00  AAA  845,624 
5,000  San Diego Unified School District, San Diego County, California, General Obligation Bonds, Series  7/13 at 101.00  AAA  5,468,100 
  2003E, 5.250%, 7/01/20 - FSA Insured       
  San Jose-Evergreen Community College District, Santa Clara County, California, General Obligation       
  Bonds, Series 2005A:       
600  5.000%, 9/01/25 - MBIA Insured  9/15 at 100.00  AAA  628,986 
880  5.000%, 9/01/27 - MBIA Insured  9/15 at 100.00  AAA  919,670 
1,300  Ventura County Community College District, California, General Obligation Bonds, Series 2002A,  8/12 at 101.00  AAA  1,394,198 
  5.000%, 8/01/15 - MBIA Insured       
3,605  West Contra Costa Unified School District, Contra Costa County, California, General Obligation  8/11 at 101.00  AAA  3,789,432 
  Bonds, Series 2003B, 5.000%, 8/01/21 - FSA Insured       
  Tax Obligation/Limited - 36.2% (24.8% of Total Investments)       
  Beaumont Financing Authority, California, Local Agency Revenue Bonds, Series 2004D:       
1,000  5.500%, 9/01/24  9/14 at 102.00  N/R  1,023,970 
615  5.800%, 9/01/35  9/14 at 102.00  N/R  635,061 
  Brentwood Infrastructure Financing Authority, Contra Costa County, California, Capital Improvement       
  Revenue Bonds, Series 2001:       
1,110  5.375%, 11/01/18 - FSA Insured  11/11 at 100.00  AAA  1,205,837 
1,165  5.375%, 11/01/19 - FSA Insured  11/11 at 100.00  AAA  1,265,586 
1,990  Brentwood Infrastructure Financing Authority, California, Infrastructure Revenue Refunding Bonds,  9/12 at 100.00  AAA  2,066,913 
  Series 2002A, 5.125%, 9/02/24 - FSA Insured       
7,400  California, Economic Recovery Revenue Bonds, Series 2004A, 5.000%, 7/01/15  7/14 at 100.00  AA-  7,963,658 
2,000  Capistrano Unified School District, Orange County, California, Special Tax Bonds, Community  9/13 at 100.00  N/R  2,101,480 
  Facilities District 90-2 - Talega, Series 2003, 6.000%, 9/01/33       
3,490  Fontana, California, Senior Special Tax Refunding Bonds, Heritage Village Community Facilities  9/08 at 102.00  AAA  3,720,305 
  District 2, Series 1998A, 5.250%, 9/01/17 - MBIA Insured       
1,125  Fontana, California, Special Tax Bonds, Sierra Community Facilities District 22, Series 2004,  9/14 at 100.00  N/R  1,179,878 
  6.000%, 9/01/34       
3,980  Garden Grove, California, Certificates of Participation, Financing Project, Series 2002A, 5.500%,  3/12 at 101.00  AAA  4,338,638 
  3/01/22 - AMBAC Insured       
540  Hesperia Community Redevelopment Agency, California, Tax Allocation Bonds, Series 2005A, 5.000%,  9/15 at 100.00  AAA  568,717 
  9/01/20 - XLCA Insured       
4,500  Inglewood Redevelopment Agency, California, Tax Allocation Refunding Bonds, Merged Area  No Opt. Call  AAA  4,975,200 
  Redevelopment Project, Series 1998A, 5.250%, 5/01/23 - AMBAC Insured       
2,000  Lee Lake Water District, Riverside County, California, Special Tax Bonds, Community Facilities  9/13 at 102.00  N/R  2,203,660 
  District 1 of Sycamore Creek, Series 2003, 6.500%, 9/01/24       
2,200  Lincoln, California, Special Tax Bonds, Lincoln Crossing Community Facilities District 03-1, Series  9/13 at 102.00  N/R  2,406,206 
  2003A, 6.500%, 9/01/25       
1,500  Lincoln, California, Special Tax Bonds, Lincoln Crossing Community Facilities District 03-1, Series  9/13 at 102.00  N/R  1,591,335 
  2004, 6.000%, 9/01/34       
5,000  Los Angeles County Metropolitan Transportation Authority, California, Proposition C Second Senior  7/08 at 101.00  AAA  5,183,500 
  Lien Sales Tax Revenue Refunding Bonds, Series 1998A, 5.000%, 7/01/23 - AMBAC Insured       
3,555  Los Angeles County Public Works Financing Authority, California, Revenue Bonds, Regional Park and  10/07 at 101.00  AA  3,692,081 
  Open Space District, Series 1997A, 5.000%, 10/01/16       
1,530  Moreno Valley Unified School District, Riverside County, California, Certificates of Participation,  3/14 at 100.00  AAA  1,584,820 
  Series 2005, 5.000%, 3/01/24 - FSA Insured       
9,200  Norco Redevelopment Agency, California, Tax Allocation Refunding Bonds, Project Area 1, Series  3/11 at 102.00  AAA  9,634,976 
  2001, 5.000%, 3/01/19 - MBIA Insured       
5,545  Oakland Joint Power Financing Authority, California, Lease Revenue Refunding Bonds, Oakland  No Opt. Call  AAA  6,206,851 
  Convention Centers, Series 2001, 5.500%, 10/01/14 - AMBAC Insured       
3,290  Oakland Redevelopment Agency, California, Subordinate Lien Tax Allocation Bonds, Central District  3/13 at 100.00  AAA  3,598,240 
  Redevelopment Project, Series 2003, 5.500%, 9/01/16 - FGIC Insured       
4,000  Orange County Local Transportation Authority, California, Limited Sales Tax Revenue Refunding  No Opt. Call  AAA  4,213,800 
  Bonds, Measure M, Series 1997A, 5.700%, 2/15/08 - AMBAC Insured       
5,600  Palm Springs Financing Authority, California, Lease Revenue Refunding Bonds, Convention Center  11/11 at 101.00  AAA  5,823,944 
  Project, Series 2001A, 5.000%, 11/01/22 - MBIA Insured       
1,000  Palmdale Community Redevelopment Agency, California, Tax Allocation Bonds, Merged Redevelopment  12/14 at 100.00  AAA  1,038,550 
  Project Areas, Series 2004, 5.000%, 12/01/24 - AMBAC Insured       
8,100  Poway Redevelopment Agency, California, Tax Allocation Refunding Bonds, Paguay Redevelopment  12/10 at 102.00  AAA  8,944,101 
  Project, Series 2000, 5.750%, 6/15/33 - MBIA Insured      
1,055  Poway Redevelopment Agency, California, Tax Allocation Bonds, Paguay Redevelopment Project, Series 12/11 at 101.00  AAA  1,155,563 
  2001, 5.375%, 12/15/16 - AMBAC Insured      
620  Rialto Redevelopment Agency, California, Tax Allocation Bonds, Merged Project Area, Series 2005A, 9/15 at 100.00  AAA  631,216 
  5.000%, 9/01/35 - XLCA Insured      
1,860  Riverside Redevelopment Agency, California, Tax Allocation Refunding Bonds, Merged Project Areas, 8/13 at 100.00  AAA  1,987,447 
  Series 2003, 5.250%, 8/01/22 - MBIA Insured      
1,290  Riverside County Public Financing Authority, California, Tax Allocation Bonds, Multiple Projects, 10/15 at 100.00  AAA  1,315,529 
  Series 2005A, 5.000%, 10/01/35 - XLCA Insured      
2,500  Sacramento City Financing Authority, California, Lease Revenue Refunding Bonds, Series 1993A, No Opt. Call  AAA  2,819,600 
  5.400%, 11/01/20 - AMBAC Insured      
1,150  Sacramento, California, Special Tax Bonds, North Natomas Community Facilities District 4, Series 9/14 at 100.00  N/R  1,222,657 
  2003C, 6.000%, 9/01/33      
24,060  San Jose Redevelopment Agency, California, Tax Allocation Bonds, Merged Area Redevelopment Project, 8/08 at 102.00  A  24,597,260 
  Series 1998, 5.250%, 8/01/29      
2,695  San Jose Financing Authority, California, Lease Revenue Refunding Bonds, Civic Center Project, 6/12 at 100.00  AAA  2,907,501 
  Series 2002B, 5.250%, 6/01/19 - AMBAC Insured      
1,595  San Marcos Public Facilities Authority, California, Special Tax Bonds, Community Facilities 9/09 at 102.00  N/R  1,669,279 
  District 99-1, Series 2003B, 6.000%, 9/01/24      
2,810  West Patterson Financing Authority, California, Special Tax Bonds, Community Facilities District 9/13 at 103.00  N/R  3,050,508 
  01-1, Series 2003B, 7.000%, 9/01/38      
1,350  West Patterson Financing Authority, California, Special Tax Bonds, Community Facilities District 9/13 at 103.00  N/R  1,417,662 
  2001-1, Series 2004A, 6.125%, 9/01/39      
2,000  West Patterson Financing Authority, California, Special Tax Bonds, Community Facilities District 9/13 at 102.00  N/R  2,072,220 
  01-1, Series 2004B, 6.000%, 9/01/39      
  Transportation - 18.3% (12.6% of Total Investments)      
8,150  Foothill/Eastern Transportation Corridor Agency, California, Toll Road Revenue Refunding Bonds, 1/10 at 101.00  BBB-  8,324,166 
  Series 1999, 5.750%, 1/15/40      
8,515  Los Angeles Harbors Department, California, Revenue Refunding Bonds, Series 2001B, 5.500%, 8/01/18 8/11 at 100.00  AAA  9,083,291 
  (Alternative Minimum Tax) - AMBAC Insured      
23,000  Port of Oakland, California, Revenue Bonds, Series 2000K, 5.750%, 11/01/29 (Alternative Minimum 5/10 at 100.00  AAA  24,447,390 
  Tax) - FGIC Insured      
23,275  San Francisco Airports Commission, California, Revenue Bonds, San Francisco International Airport, 5/10 at 101.00  AAA  24,933,577 
  Second Series 2000, Issue 24A, 5.750%, 5/01/30 (Alternative Minimum Tax) - FSA Insured      
  U.S. Guaranteed*** - 25.7% (17.6% of Total Investments)      
8,400  California Health Facilities Financing Authority, Revenue Bonds, Kaiser Permanente System, Series 10/08 at 101.00  AAA  8,882,160 
  1998B, 5.250%, 10/01/14 (Optional put 10/01/08)      
15,000  California Health Facilities Financing Authority, Revenue Bonds, Cedars-Sinai Medical Center, 12/09 at 101.00  A3***  16,651,650 
  Series 1999A, 6.125%, 12/01/30 (Pre-refunded to 12/01/09)      
  California Department of Water Resources, Power Supply Revenue Bonds, Series 2002A:      
2,500  5.375%, 5/01/17 (Pre-refunded to 5/01/12) - XLCA Insured 5/12 at 101.00  AAA  2,770,300 
9,750  5.125%, 5/01/18 (Pre-refunded to 5/01/12) 5/12 at 101.00  A2***  10,613,070 
5,000  California Statewide Community Development Authority, Certificates of Participation, Pride 11/09 at 102.00  N/R***  5,801,300 
  Industries and Pride One Inc., Series 1999, 7.250%, 11/01/29 (Pre-refunded to 11/01/09)      
18,400  Los Angeles Unified School District, California, General Obligation Bonds, Series 1999C, 5.250%, 7/09 at 101.00  AAA  19,770,432 
  7/01/24 (Pre-refunded to 7/01/09) - MBIA Insured      
  Orange County Water District, California, Revenue Certificates of Participation, Series 1999A:      
5,840  5.375%, 8/15/29 8/09 at 101.00  AA+***  6,304,981
8,160  5.375%, 8/15/29 (Pre-refunded to 8/15/09) 8/09 at 101.00  AA+***  8,816,798
4,000  Puerto Rico, General Obligation and Public Improvement Bonds, Series 2000, 5.750%, 7/01/16 7/10 at 100.00  AAA  4,368,400
  (Pre-refunded to 7/01/10) - MBIA Insured    
2,560  Southwestern Community College District, San Diego County, California, General Obligation Bonds, 8/14 at 100.00  AAA  2,683,674
  Series 2004, 5.000%, 8/01/23 - FGIC Insured    
  Northern California Tobacco Securitization Authority, Tobacco Settlement Asset-Backed Bonds, Series    
  2001A:    
2,500  5.250%, 6/01/31 (Pre-refunded to 6/01/11) 6/11 at 100.00  BBB***  2,505,325
4,500  5.375%, 6/01/41 (Pre-refunded to 6/01/11) 6/11 at 100.00  BBB***  4,527,630
  Utilities - 6.3% (4.3% of Total Investments)    
3,630  Imperial Irrigation District, California, Certificates of Participation, Electric System Revenue 11/13 at 100.00  AAA  3,855,496
  Bonds, Series 2003, 5.250%, 11/01/23 - FSA Insured    
7,000  Los Angeles Department of Water and Power, California, Power System Revenue Bonds, Series 2001A-1, 7/11 at 100.00  AAA  7,435,680
  5.250%, 7/01/21 - FSA Insured    
8,370  Los Angeles Department of Water and Power, California, Power System Revenue Refunding Bonds, Series 7/11 at 100.00  AAA  9,038,512
  2001A-2, 5.375%, 7/01/19 - MBIA Insured    
1,200  Los Angeles Department of Water and Power, California, Power System Revenue Bonds, Series 2003A-2, 7/13 at 100.00  AAA  1,266,876
  5.000%, 7/01/21 - MBIA Insured    
1,270  Merced Irrigation District, California, Electric System Revenue Bonds, Series 2005, 5.125%, 9/15 at 100.00  AAA  1,314,260
  9/01/31 - XLCA Insured    
  Water and Sewer - 6.6% (4.5% of Total Investments)    
9,165  California Department of Water Resources, Water System Revenue Bonds, Central Valley Project, 12/11 at 100.00  AAA  9,805,817
  Series 2001W, 5.250%, 12/01/22 - FSA Insured    
8,250  Pico Rivera Water Authority, California, Revenue Bonds, Series 2001A, 6.250%, 12/01/32 12/11 at 102.00  N/R  8,780,640
5,115  San Francisco City and County Public Utilities Commission, California, Water Revenue Bonds, Series 11/12 at 100.00  AAA  5,428,033
  2002A, 5.000%, 11/01/18 - MBIA Insured    
$ 499,975  Total Long-Term Investments (cost $503,250,800) - 145.8%     531,904,284
  Other Assets Less Liabilities - 2.2%     7,856,131
  Preferred Shares, at Liquidation Value - (48.0)%     (175,000,000)
  Net Assets Applicable to Common Shares - 100%     $ 364,760,415

(1 )  All percentages shown in the Portfolio of Investments are based on net assets applicable to Common shares 
  unless otherwise noted. 
*   Optional Call Provisions: Dates (month and year) and prices of the earliest optional call or redemption. There 
  may be other call provisions at varying prices at later dates. Certain mortgage-backed securities may be 
  subject to periodic principal paydowns. 
**   Ratings: Using the higher of Standard & Poor's or Moody's rating. 
***   Securities are backed by an escrow or trust containing sufficient U.S. Government or U.S. Government agency 
  securities which ensures the timely payment of principal and interest. Such securities are normally considered 
  to be equivalent to AAA rated securities. 
N/R   Investment is not rated. 

Income Tax Information

The following information is presented on an income tax basis. Differences between amounts for financial statement and federal income tax purposes are primarily due to timing differences in recognizing taxable market discount and timing differences in recognizing certain gains and losses on investment transactions.

At November 30, 2005, the cost of investments was $503,053,058.

Gross unrealized appreciation and gross unrealized depreciation of investments at November 30, 2005, were as follows:

Gross unrealized:   
 Appreciation  $ 29,311,480  
 Depreciation  (460,254 ) 
Net unrealized appreciation (depreciation) of investments  $ 28,851,226  

Item 2. Controls and Procedures.

  1. 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") (17 CFR 270.30a-3(c))) are effective, as of a date within 90 days of the filing date of this report that includes the disclosure required by this paragraph, based on their evaluation of the controls and procedures required by Rule 30a-3(b) under the 1940 Act (17 CFR 270.30a-3(b)) and Rule 13a-15(b) or 15d-15(b) under the Securities Exchange Act of 1934 (17 CFR 240.13a-15(b) or 240.15d-15(b)).
  2. There were no changes in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act (17 CFR 270.30a-3(d)) 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.

File as exhibits as part of this Form a separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2(a) under the 1940 Act (17 CFR 270.30a-2(a)), exactly as set forth below: EX-99 CERT Attached hereto.


SIGNATURES

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.

(Registrant)         Nuveen California Dividend Advantage Municipal Fund        

By (Signature and Title)*          /s/ Jessica R. Droeger                     
                                                    Jessica R. Droeger
                                                    Vice President and Secretary

Date         1/27/06        

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 (Signature and Title)*         /s/ Gifford R. Zimmerman                    
                                                   Gifford R. Zimmerman
                                                   Chief Administrative Officer (principal executive officer) 

Date         1/27/06        

By (Signature and Title)*         /s/ Stephen D. Foy                              
                                                   Stephen D. Foy
                                                   Vice President and Controller (principal financial officer) 

Date         1/27/06        

* Print the name and title of each signing officer under his or her signature.