PAGE  1
000 B000000 07/31/2008
000 C000000 0000882152
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 BLACKROCK MUNIYIELD CALIFORNIA FUND, INC.
001 B000000 811-06499
001 C000000 8004417762
002 A000000 100 BELLEVUE PARKWAY
002 B000000 WILMINGTON
002 C000000 DE
002 D010000 19809
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 N
007 B000000  0
007 C010100  1
007 C010200  2
007 C010300  3
007 C010400  4
007 C010500  5
007 C010600  6
007 C010700  7
007 C010800  8
007 C010900  9
007 C011000 10
008 A000001 BLACKROCK ADVISORS, LLC
008 B000001 A
008 C000001 801-47710
008 D010001 WILMINGTON
008 D020001 DE
008 D030001 19809
008 A000002 BLACKROCK INVESTMENT MANAGEMENT, LLC
008 B000002 S
008 C000002 801-56972
008 D010002 PLAINSBORO
008 D020002 NJ
008 D030002 08536
012 A000001 BNY MELLON SHAREOWNER SERVICES (COMMON)
012 B000001 85-05006
012 C010001 NEW YORK
012 C020001 NY
012 C030001 10286
012 A000002 BNY MELLON SHAREOWNER SERVICES (PREFERRED)
012 B000002 85-05006
      PAGE  2
012 C010002 NEW YORK
012 C020002 NY
012 C030002 10286
013 A000001 DELOITTE & TOUCHE LLP
013 B010001 PRINCETON
013 B020001 NJ
013 B030001 08540
014 A000001 MLPF&S AND OTHER ML BROKER/DEALER AFFILIATES
014 B000001 8-7221
014 A000002 BLACKROCK INVESTMENTS, INC.
014 B000002 8-048436
014 A000003 NORTHERN FUNDS DISTRIBUTORS, LLC
014 B000003 8-051242
014 A000004 PNC CAPITAL MARKETS, INC.
014 B000004 8-32493
014 A000005 PFPC DISTRIBUTORS, INC.
014 B000005 8-045467
014 A000006 MGI FUNDS DISTRIBUTOR, INC.
014 B000006 8-046960
014 A000007 BB & T AM DISTRIBUTORS, INC.
014 B000007 8-52396
014 A000008 BLACKROCK DISTRIBUTORS, INC.
014 B000008 8-048775
014 A000009 PNC INVESTMENTS LLC
014 B000009 8-066195
014 A000010 HARRIS WILLIAMS LLC
014 B000010 8-53380
014 A000011 DSP MERRILL LYNCH LIMITED
014 B000011 8-00000
014 A000012 FAM DISTRIBUTORS, INC.
014 B000012 8-14663
014 A000013 FIRST REPUBLIC SECURITIES COMPANY, LLC
014 B000013 8-52973
014 A000014 GPC SECURITIES, INC.
014 B000014 8-30108
014 A000015 BERNDALE SECURITIES LIMITED
014 B000015 8-00000
014 A000016 URETA Y BIANCHI CORREDORES DE BOLSA S.A.
014 B000016 8-00000
014 A000017 FIXED INCOME SECURITIES, INC.
014 B000017 8-30448
014 A000018 DELETE
015 A000001 THE BANK OF NEW YORK MELLON
015 B000001 C
015 C010001 NEW YORK
015 C020001 NY
015 C030001 10286
015 E010001 X
015 A000002 J.P. MORGAN CHASE BANK
015 B000002 S
015 C010002 NEW YORK
      PAGE  3
015 C020002 NY
015 C030002 10017
015 E010002 X
018  000000 Y
019 A000000 Y
019 B000000  301
019 C000000 BLKRKADVSR
020 A000001 RBS GREENWICH CAPITAL
020 C000001      0
020 C000002      0
020 C000003      0
020 C000004      0
020 C000005      0
020 C000006      0
020 C000007      0
020 C000008      0
020 C000009      0
020 C000010      0
021  000000        0
022 A000001 CMA CALIFORNIA MUNICIPAL MONEY FUND
022 B000001 22-2891156
022 C000001    179891
022 D000001    173500
022 A000002 BANC OF AMERICA SECURITIES LLC
022 B000002 56-2058405
022 C000002     89448
022 D000002     86979
022 A000003 J.P. MORGAN SECURITIES INC.
022 B000003 13-3224016
022 C000003     27648
022 D000003     29019
022 A000004 STONE & YOUNGBERG LLC
022 B000004 94-1052545
022 C000004      9236
022 D000004     36051
022 A000005 CITIGROUP GLOBAL MARKETS, INC.
022 B000005 11-2418191
022 C000005     38884
022 D000005      5389
022 A000006 RAYMOND JAMES & ASSOCIATES, INC.
022 B000006 59-1237041
022 C000006     11478
022 D000006     11500
022 A000007 WEDBUSH MORGAN SECURITIES INC.
022 B000007 95-2495390
022 C000007      2063
022 D000007     18460
022 A000008 MORGAN STANLEY & CO. INCORPORATED
022 B000008 13-2655998
022 C000008      5174
022 D000008     12218
      PAGE  4
022 A000009 BEAR, STEARNS & CO. INC.
022 B000009 13-3299429
022 C000009      7100
022 D000009      8191
022 A000010 LEHMAN BROTHERS INC.
022 B000010 13-2518466
022 C000010     14789
022 D000010         0
023 C000000     405506
023 D000000     439574
024  000000 N
026 A000000 N
026 B000000 N
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027  000000 N
045  000000 Y
046  000000 N
047  000000 Y
048  000000  0.500
048 A010000        0
048 A020000 0.000
048 B010000        0
048 B020000 0.000
048 C010000        0
048 C020000 0.000
048 D010000        0
048 D020000 0.000
048 E010000        0
048 E020000 0.000
048 F010000        0
048 F020000 0.000
048 G010000        0
048 G020000 0.000
048 H010000        0
048 H020000 0.000
048 I010000        0
048 I020000 0.000
048 J010000        0
048 J020000 0.000
048 K010000        0
048 K020000 0.000
049  000000 N
050  000000 N
051  000000 N
052  000000 N
      PAGE  5
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 N
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 N
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 N
054 M000000 Y
054 N000000 N
055 A000000 Y
055 B000000 N
056  000000 Y
057  000000 N
058 A000000 N
059  000000 Y
060 A000000 N
060 B000000 N
061  000000        0
062 A000000 Y
062 B000000   0.0
062 C000000   0.0
062 D000000   0.0
062 E000000   3.4
062 F000000   0.0
062 G000000   0.0
062 H000000   0.0
062 I000000   0.0
062 J000000   0.0
062 K000000   0.0
062 L000000   0.0
062 M000000   0.0
062 N000000   0.0
062 O000000 161.7
062 P000000   0.0
062 Q000000   0.0
062 R000000   5.0
063 A000000   0
063 B000000 21.8
064 A000000 Y
064 B000000 N
066 A000000 N
067  000000 N
068 A000000 N
068 B000000 N
069  000000 N
      PAGE  6
070 A010000 Y
070 A020000 N
070 B010000 N
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 Y
070 E020000 Y
070 F010000 N
070 F020000 N
070 G010000 Y
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 N
070 J020000 N
070 K010000 Y
070 K020000 Y
070 L010000 N
070 L020000 N
070 M010000 N
070 M020000 N
070 N010000 N
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 Y
070 P020000 Y
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000    145351
071 B000000    186621
071 C000000    486295
071 D000000   30
072 A000000  9
072 B000000    17586
072 C000000        0
072 D000000        0
072 E000000      428
072 F000000     1819
072 G000000      112
072 H000000        0
072 I000000       34
072 J000000       19
072 K000000        0
      PAGE  7
072 L000000       27
072 M000000       23
072 N000000        9
072 O000000        0
072 P000000      915
072 Q000000        0
072 R000000       39
072 S000000       89
072 T000000        0
072 U000000        0
072 V000000        0
072 W000000      399
072 X000000     3485
072 Y000000       82
072 Z000000    14611
072AA000000     5122
072BB000000     4169
072CC010000        0
072CC020000    19656
072DD010000    10541
072DD020000        0
072EE000000        0
073 A010000   0.4950
073 A020000   0.0000
073 B000000   0.0000
073 C000000   0.0000
074 A000000       56
074 B000000        0
074 C000000    10000
074 D000000   472142
074 E000000        0
074 F000000        0
074 G000000        0
074 H000000        0
074 I000000    14413
074 J000000      152
074 K000000        0
074 L000000     7513
074 M000000       18
074 N000000   504294
074 O000000        0
074 P000000      212
074 Q000000        0
074 R010000        0
074 R020000        0
074 R030000        0
074 R040000    85498
074 S000000   126582
074 T000000   292002
074 U010000    21295
074 U020000        0
      PAGE  8
074 V010000    13.71
074 V020000     0.00
074 W000000   0.0000
074 X000000     7185
074 Y000000   126500
075 A000000        0
075 B000000   481269
076  000000    13.07
077 A000000 Y
077 B000000 Y
077 O000000 Y
078  000000 N
080 A000000 VIGILANT INSURANCE COMPANY
080 C000000      750
081 A000000 Y
081 B000000 113
082 A000000 N
082 B000000        0
083 A000000 N
083 B000000        0
084 A000000 N
084 B000000        0
085 A000000 Y
085 B000000 N
086 A010000      0
086 A020000      0
086 B010000      0
086 B020000      0
086 C010000      0
086 C020000      0
086 D010000      2
086 D020000  48500
086 E010000      0
086 E020000      0
086 F010000      0
086 F020000      0
087 A010000 COMMON STOCK
087 A020000 09254M105
087 A030000 MYC
087 B010000 PREFERRED STOCK
088 A000000 N
088 B000000 N
088 C000000 N
088 D000000 Y
SIGNATURE   DONALD C. BURKE
TITLE       PRESIDENT