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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549


FORM 10-K

(Mark One)

|    |                                                     
|--- | ----------------------------------------------------
|[X] | ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934


For the fiscal year ended December 31,
2005

OR



|     |                                                         
|---- | --------------------------------------------------------
|[  ] | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934


For the transition period from

to

Commission file no. 33-13437

DEL TACO INCOME PROPERTIES IV

(A California limited partnership)


(Exact name of registrant as specified in its
charter)


|                                                                                                  |  |                                                           
|------------------------------------------------------------------------------------------------- |  | ----------------------------------------------------------
|                                                                                                 
|California
    (State or other jurisdiction of
    incorporation or organization)                 |  | 33-0241855
    (I.R.S. Employer
    Identification Number)
|25521 Commercentre Drive
    Lake Forest, California
    (Address of principal executive offices) |  | 92630
    (Zip Code)                                      

Registrants telephone number, including
area code: (949) 462-9300

Securities registered pursuant to section 12(b)
of the Act: None

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 X

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

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 X     No

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrants Form S-11
Registration Statement filed June 5, 1987 are incorporated by
reference into Part IV of this report.

Indicate by check mark whether the registrant is
a large accelerated filer, an accelerated filer, or a
non-accelerated filer. See definition of accelerated filer
and large accelerated filer in Rule 12b-2 of the
Exchange Act.

Large accelerated
filer           Accelerated
filer           Non-accelerated
filer X

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



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TABLE OF CONTENTS  PART IItem 1. BusinessItem 2. PropertiesItem 3. Legal ProceedingsItem 4. Submissions of Matters to a Vote of Security HoldersPART IIItem 5. Market for the Partnerships Common Equity and Related Security Holder MattersItem 6. Selected Financial DataItem 7. Managements Discussion and Analysis of Financial Condition and Results of OperationsItem 7A. Quantitative and Qualitative Disclosures About Market Risk.Item 8. Financial StatementsItem 9. Changes in and Disagreements with Accountants on Accounting and Financial DisclosureItem 9A. Controls and ProceduresPART IIIItem 10. Directors and Executive Officers of the Partnerships General PartnerItem 11. Executive CompensationItem 12. Security Ownership of Certain Beneficial Owners and Management and Related Security            Holder MattersItem 13. Certain Relationships and Related TransactionsItem 14. Principal Accountant Fees and ServicesPART IVItem 15. Exhibits, Financial Statements Schedules, and Reports on Form 8-KSIGNATURESExhibit IndexEXHIBIT 31.1EXHIBIT 31.2EXHIBIT 32.1    Table of Contents  
 PART I
 
 Item 1. Business
    
 Item 2. Properties
  Date of Commencement ofAddress
    
    City, State
    
    Date of Acquisition
    
    Restaurant Constructed
    
    Operation (1)Orangethorpe
Avenue
    
    Placentia, CA
    
    August 5, 1988
    
    60 seat with drive
through service
window
    
    March 27, 1989Lakeshore
Drive
    
    Lake Elsinore, CA
    
    February 1, 1989
    
    60 seat with drive
through service
window
    
    April 18, 1990(2)Highland
Avenue
    
    San Bernardino, CA
    
    December 8, 1989
    
    60 seat with drive
through service
window
    
    July 13, 1990
 
 (1)
    
    Commencement of operation is the first date Del Taco, as lessee, operated the facility on the
site as a Del Taco restaurant.(2)
    
    The restaurant is subleased to a franchisee of Del Taco and the restaurant operates as a Del
Taco restaurant.  2




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Item 3. Legal Proceedings
  
 Item 4. Submissions of Matters to a Vote of Security Holders
  
 PART II
 
 Item 5. Market for the Partnerships Common Equity and Related Security Holder Matters
  
 Item 6. Selected Financial Data
  Years Ended December 31,2005
    
    2004
    
    2003
    
    2002
    
    2001Rental revenues
    
    $
    458,027
    
    
    $
    439,657
    
    
    $
    439,657
    
    
    $
    432,629
    
    
    $
    434,848General and administrative
expense
    
    
    62,255
    
    
    
    60,837
    
    
    
    62,441
    
    
    
    45,707
    
    
    
    43,193Depreciation expense
    
    
    55,268
    
    
    
    55,268
    
    
    
    55,268
    
    
    
    55,268
    
    
    
    55,268Interest and other income
    
    
    2,348
    
    
    
    1,955
    
    
    
    1,858
    
    
    
    3,127
    
    
    
    4,241Net income
    
    
    342,852
    
    
    
    325,507
    
    
    
    323,806
    
    
    
    334,781
    
    
    
    340,628Net income per limited
partnership unit
    
    
    2.05
    
    
    
    1.95
    
    
    
    1.94
    
    
    
    2.00
    
    
    
    2.04Cash distributions per
limited partnership unit
    
    
    2.34
    
    
    
    2.52
    
    
    
    2.34
    
    
    
    2.35
    
    
    
    2.32Total assets
    
    
    1,840,586
    
    
    
    1,892,767
    
    
    
    1,975,153
    
    
    
    2,039,717
    
    
    
    2,101,201Long-term obligations
    
    
    137,953
    
    
    
    137,953
    
    
    
    137,953
    
    
    
    137,953
    
    
    
    137,953
 3




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Item 7. Managements Discussion and Analysis of Financial Condition and Results of Operations
   Liquidity and Capital Resources
   Off Balance Sheet Arrangements and Contractual Obligations
  Results of Operations
   Years Ended December 31,2005
    
    
    2004
    
    
    2003Orangethorpe Ave., Placentia, CA
    
    $
    176,686
    
    
    $
    169,881
    
    
    $
    175,288Lakeshore Drive, Lake Elsinore, CA
    
    
    185,435
    
    
    
    176,599
    
    
    
    174,899Highland Ave., San Bernardino, CA
    
    
    95,906
    
    
    
    93,177
    
    
    
    89,470Total
    
    $
    458,027
    
    
    $
    439,657
    
    
    $
    439,657
 4




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Item 7.
Managements Discussion and Analysis of Financial Condition and Results of Operations 
 Results of Operations (continued)
   Percentage
of Total General and Administrative Expense
 Years Ended December 31,2005
    
    
    
2004
    
        
    
2003Accounting fees
    
    
    64.47
    %
    
    
    59.98
    %
    
    
    57.29
    %Distribution of information
to limited partners
    
    
    33.94
    
    
    
    38.62
    
    
    
    41.30Other
    
    
    1.59
    
    
    
    1.40
    
    
    
    1.41100.00
    
    
    
    100.00
    
    
    
    100.00
      5




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Item 7.
Managements Discussion and Analysis of Financial Condition and Results of Operations 
 Recent Accounting Pronouncements
  Critical Accounting Policies and Estimates
  Property and Equipment:
  
 Item 7A. Quantitative and Qualitative Disclosures About Market Risk.
  
 Item 8. Financial Statements
 6




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PART I. INFORMATION
 INDEX
    
    PAGE NUMBERReport of
Independent Registered Public Accounting Firm  Squar, Milner, Reehl & Williamson, LLP
    
    
    8Report of
Independent Registered Public Accounting Firm  KPMG LLP
    
    
    9Balance Sheets at December 31, 2005 and 2004
    
    
    10Statements of Income for the years ended December 31, 2005, 2004 and 2003
    
    
    11Statements of Partners Equity for the years ended December 31, 2005, 2004 and 2003
    
    
    12Statements of Cash Flows for the years ended December 31, 2005, 2004 and 2003
    
    
    13Notes to Financial Statements
    
    
    14-18Schedule III  Real Estate and Accumulated Depreciation
    
    
    24
 7




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Report of Independent Registered Public Accounting Firm
 
       8




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Report of Independent Registered Public Accounting Firm
 
    /s/ KPMG LLP
 
 9




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DEL TACO INCOME PROPERTIES IV
 BALANCE SHEETS
 December 31,2005
    
    
    2004ASSETSCURRENT ASSETS:Cash
    
    $
    150,403
    
    
    $
    140,285Receivable from Del Taco, Inc.
    
    
    38,934
    
    
    
    45,765Deposits
    
    
    400
    
    
    
    600Total current assets
    
    
    189,737
    
    
    
    186,650PROPERTY AND EQUIPMENT:Land and improvements
    
    
    1,236,700
    
    
    
    1,236,700Buildings and improvements
    
    
    1,289,860
    
    
    
    1,289,860Machinery and equipment
    
    
    484,789
    
    
    
    484,7893,011,349
    
    
    
    3,011,349Lessaccumulated depreciation
    
    
    1,360,500
    
    
    
    1,305,2321,650,849
    
    
    
    1,706,117$
    1,840,586
    
    
    $
    1,892,767LIABILITIES AND PARTNERS EQUITYCURRENT LIABILITIES:Payable to limited partners
    
    $
    37,993
    
    
    $
    36,913Accounts payable
    
    
    5,923
    
    
    
    10,567Total current liabilities
    
    
    43,916
    
    
    
    47,480OBLIGATION TO GENERAL PARTNER
    
    
    137,953
    
    
    
    137,953PARTNERS EQUITY:Limited partners; 165,375 units outstanding at December 31, 2005 and December 31, 2004
    
    
    1,673,263
    
    
    
    1,721,394General partner-Del Taco, Inc.
    
    
    (14,546
    )
    
    
    (14,060
    )1,658,717
    
    
    
    1,707,334$
    1,840,586
    
    
    $
    1,892,767
  10




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DEL TACO INCOME PROPERTIES IV
 STATEMENTS OF INCOME
 Years Ended December 31,2005
    
    
    2004
    
    
    2003RENTAL REVENUES
    
    $
    458,027
    
    
    $
    439,657
    
    
    $
    439,657EXPENSES:General and administrative
    
    
    62,255
    
    
    
    60,837
    
    
    
    62,441Depreciation
    
    
    55,268
    
    
    
    55,268
    
    
    
    55,268117,523
    
    
    
    116,105
    
    
    
    117,709Operating income
    
    
    340,504
    
    
    
    323,552
    
    
    
    321,948OTHER INCOME:Interest
    
    
    1,848
    
    
    
    1,380
    
    
    
    1,258Other
    
    
    500
    
    
    
    575
    
    
    
    600Net income
    
    $
    342,852
    
    
    $
    325,507
    
    
    $
    323,806Net income per limited
partnership unit (note 2)
    
    $
    2.05
    
    
    $
    1.95
    
    
    $
    1.94Number of limited partnership units
used in computing per unit amounts
    
    
    165,375
    
    
    
    165,375
    
    
    
    165,375
  11




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DEL TACO INCOME PROPERTIES IV
 STATEMENTS OF PARTNERS EQUITY
 Years Ended December 31, 2005, 2004, and 2003
 Limited Partners
    
    
    GeneralUnits
    
    
    Amount
    
    
    Partner
    
    
    TotalBalance, December 31, 2002
    
    
    165,375
    
    
    $
    1,881,610
    
    
    $
    (12,442
    )
    
    $
    1,869,168Net Income
    
    
    
    
    
    
    320,568
    
    
    
    3,238
    
    
    
    323,806Cash Distributions
    
    
    
    
    
    
    (386,594
    )
    
    
    (3,905
    )
    
    
    (390,499
    )Balance, December 31, 2003
    
    
    165,375
    
    
    
    1,815,584
    
    
    
    (13,109
    )
    
    
    1,802,475Net Income
    
    
    
    
    
    
    322,252
    
    
    
    3,255
    
    
    
    325,507Cash Distributions
    
    
    
    
    
    
    (416,442
    )
    
    
    (4,206
    )
    
    
    (420,648
    )Balance, December 31, 2004
    
    
    165,375
    
    
    
    1,721,394
    
    
    
    (14,060
    )
    
    
    1,707,334Net Income
    
    
    
    
    
    
    339,423
    
    
    
    3,429
    
    
    
    342,852Cash Distributions
    
    
    
    
    
    
    (387,554
    )
    
    
    (3,915
    )
    
    
    (391,469
    )Balance, December 31, 2005
    
    
    165,375
    
    
    $
    1,673,263
    
    
    $
    (14,546
    )
    
    $
    1,658,717
  12




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DEL TACO INCOME PROPERTIES IV
 STATEMENTS OF CASH FLOWS
 Years Ended December 31,2005
    
    
    2004
    
    
    2003CASH FLOWS FROM OPERATING ACTIVITIES:Net income
    
    $
    342,852
    
    
    $
    325,507
    
    
    $
    323,806Adjustments to reconcile net income to net
cash provided by operating activities:Depreciation
    
    
    55,268
    
    
    
    55,268
    
    
    
    55,268Changes in operating assets and liabilities:Receivable from Del Taco, Inc.
    
    
    6,831
    
    
    
    40,082
    
    
    
    18,750Deposits
    
    
    200
    
    
    
    (126
    )
    
    
    36Payable to limited partners
    
    
    1,080
    
    
    
    5,223
    
    
    
    2,603Accounts payable
    
    
    (4,644
    )
    
    
    7,532
    
    
    
    (474
    )Net cash provided by operating activities
    
    
    401,587
    
    
    
    433,486
    
    
    
    399,989CASH FLOWS FROM FINANCING ACTIVITIES:Cash distributions to partners
    
    
    (391,469
    )
    
    
    (420,648
    )
    
    
    (390,499
    )Net increase in cash
    
    
    10,118
    
    
    
    12,838
    
    
    
    9,490Beginning cash balance
    
    
    140,285
    
    
    
    127,447
    
    
    
    117,957Ending cash balance
    
    $
    150,403
    
    
    $
    140,285
    
    
    $
    127,447
  13




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DEL TACO INCOME PROPERTIES IV
 NOTES TO FINANCIAL STATEMENTS
 NOTE 1  ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 The Partnership:
   Basis of Accounting:
 Property and Equipment:
  14




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DEL TACO INCOME PROPERTIES IV  NOTES TO FINANCIAL STATEMENTS  CONTINUED
 NOTE 1  ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES  Continued
 Income Taxes:
 Net Income Per Limited Partnership Unit:
 Use of Estimates:
 Revenue Recognition:
 Concentration of Risk:
  15




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DEL TACO INCOME PROPERTIES IV  NOTES TO FINANCIAL STATEMENTS  CONTINUED
 NOTE 2  PARTNERS EQUITY
  NOTE 3  OBLIGATION TO GENERAL PARTNER
  NOTE 4  LEASING ACTIVITIES
   16




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DEL TACO INCOME PROPERTIES IV  NOTES TO FINANCIAL STATEMENTS  CONTINUED
 NOTE 5  RELATED PARTIES
     NOTE 6  INCOME TAXES (UNAUDITED)
   2005
    
    
    2004
    
    
    2003Net income per financial statements
    
    $
    342,852
    
    
    $
    325,507
    
    
    $
    323,806Excess book depreciation
    
    
    14,915
    
    
    
    14,915
    
    
    
    14,915Taxable income
    
    $
    357,767
    
    
    $
    340,422
    
    
    $
    338,721
  Partners equity per financial statements
    
    $
    1,658,717Issue costs of limited partnership units
capitalized for tax purposes
    
    
    579,259Difference in book vs. tax depreciation
    
    
    229,837Partners equity for tax purposes
    
    $
    2,467,813
 17




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DEL TACO INCOME PROPERTIES IV  NOTES TO FINANCIAL STATEMENTS  CONTINUED
 NOTE 7  CASH DISTRIBUTIONS TO LIMITED PARTNERS
  Cash
    
    
    Weighted
    
    
    Number of UnitsDistribution per
    
    
    Average Number
    
    
    Outstanding atLimited Partnership
    
    
    of Units
    
    
    the End ofQuarter Ended
    
    Unit
    
    
    Outstanding
    
    
    QuarterDecember 31, 2002
    
    $
    0.50
    
    
    
    165,375
    
    
    
    165,375March 31, 2003
    
    
    0.82
    
    
    
    165,375
    
    
    
    165,375June 30, 2003
    
    
    0.48
    
    
    
    165,375
    
    
    
    165,375September 30, 2003
    
    
    0.54
    
    
    
    165,375
    
    
    
    165,375Total paid in 2003
    
    $
    2.34December 31, 2003
    
    $
    0.54
    
    
    
    165,375
    
    
    
    165,375March 31, 2004
    
    
    0.75
    
    
    
    165,375
    
    
    
    165,375June 30, 2005
    
    
    0.56
    
    
    
    165,375
    
    
    
    165,375September 30, 2004
    
    
    0.67
    
    
    
    165,375
    
    
    
    165,375Total paid in 2004
    
    $
    2.52December 31, 2004
    
    $
    0.59
    
    
    
    165,375
    
    
    
    165,375March 31, 2005
    
    
    0.63
    
    
    
    165,375
    
    
    
    165,375June 30, 2005
    
    
    0.49
    
    
    
    165,375
    
    
    
    165,375September 30, 2005
    
    
    0.63
    
    
    
    165,375
    
    
    
    165,375Total paid in 2005
    
    $
    2.34
  NOTE 8  RESULTS BY QUARTER (UNAUDITED)
 First
    
    Second
    
    Third
    
    FourthQuarter
    
    Quarter
    
    Quarter
    
    QuarterYear ended December 31, 2005Rental revenues
    
    $
    107,923
    
    
    $
    116,001
    
    
    $
    117,490
    
    
    $
    116,613Net income
    
    
    60,089
    
    
    
    93,728
    
    
    
    94,353
    
    
    
    94,682Net income per
limited partnership unit
    
    
    0.36
    
    
    
    0.56
    
    
    
    0.56
    
    
    
    0.57Year ended December 31, 2004Rental revenues
    
    $
    101,710
    
    
    $
    109,478
    
    
    $
    112,574
    
    
    $
    115,895Net income
    
    
    55,569
    
    
    
    86,709
    
    
    
    89,735
    
    
    
    93,494Net income per
limited partnership unit
    
    
    0.33
    
    
    
    0.52
    
    
    
    0.54
    
    
    
    0.56
 NOTE 9
 SUBSEQUENT EVENT
  18




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Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
  
 Item 9A. Controls and Procedures
       
 PART III
 
 Item 10. Directors and Executive Officers of the Partnerships General Partner
  Name
    
    Title
    
    AgeKevin K. Moriarty
    
    Director, Chairman and Chief Executive Officer
    
    
    59C. Ronald Petty
    
    President
    
    
    61Robert J. Terrano
    
    Executive Vice President and Chief Financial Officer
    
    
    50James D. Stoops
    
    Executive Vice President, Operations
    
    
    53Janet D. Erickson
    
    Executive Vice President, Purchasing
    
    
    49Shirlene Lopez
    
    Executive Vice President, Operations Services
    
    
    41Michael L. Annis
    
    Senior Vice President, Secretary and General Counsel
    
    
    59
  (c)
    
    None
 (d)
    
    No family relationship exists between any such director or executive officer of the General
Partner.
 (e)
    
    The following is an account of the business experience during the past five years of each
such director and executive officer:
 19




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Kevin K. Moriarty
 C. Ronald Petty
 Robert J. Terrano
 James D. Stoops
 Janet D. Erickson
 Shirlene Lopez
 20




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Michael L. Annis
 
 Item 11. Executive Compensation
  
 Item 12.
    
    Security Ownership of Certain Beneficial Owners and Management and Related Security
Holder Matters
 (a)
    
    No person of record currently owns more than five percent of limited partnership units of the
Partnership, nor was any person known of by the Partnership to own of record and beneficially,
or beneficially only, more than five percent of such securities.(b)
    
    Neither Del Taco, Inc., nor any executive officer or director of Del Taco, Inc. owns any
limited partnership units of the Partnership.(c)
    
    The Partnership knows of no contractual arrangements, the operation or the terms of which may
at a subsequent date result in a change in control of the Partnership, except for provisions
in the partnership agreement providing for removal of the General Partner by holders of a
majority of the limited partnership units and if a material event of default occurs under the
financing agreements of the General Partner.
 21




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Item 13. Certain Relationships and Related Transactions
 (a)
    
    No transactions have occurred between the Partnership and any executive officer or director
of its General Partner.
 During 2005, the following transactions occurred between the Partnership and the General
Partner pursuant to the terms of the partnership agreement.
 (1)
    
    The General Partner earned $3,429 as its one percent share of the net income of
the Partnership.(2)
    
    The General Partner received $3,915 in distributions relating to its one percent
interest in the Partnership.
 (b)
    
    During 2005, the Partnership had no business relationships with any entity of a type required
to be reported under this item.(c)
    
    Neither the General Partner, any director or officer of the General Partner or any associate
of any such person, was indebted to the Partnership at any time during 2005 for any amount.(d)
    
    Not applicable.
 
 Item 14. Principal Accountant Fees and Services
  Squar
    
    
    KPMG LLP2005
    
    
    2005
    
    
    2004Audit Fees
    
    $
    1,080
    
    
    $
    12,131
    
    
    $
    10,800Audit-Related Fees
    
    
    0
    
    
    
    0
    
    
    
    0Tax Fees
    
    
    0
    
    
    
    11,250
    
    
    
    11,187All Other Fees
    
    
    0
    
    
    
    0
    
    
    
    0Total
    
    $
    1,080
    
    
    $
    23,381
    
    
    $
    21,987
  22




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PART IV
 
 Item 15. Exhibits, Financial Statements Schedules, and Reports on Form 8-K
 (a)(1)
    
    Financial StatementsIncluded in Part II of this report:Report of Independent Registered
Public Accounting Firm 
Squar, Milner, Reehl & Williamson, LLPReport of Independent Registered
Public Accounting Firm  KPMG LLPBalance SheetsStatements of IncomeStatements of Partners EquityStatements of Cash FlowsNotes to Financial Statements(a)(2)
    
    Financial Statement SchedulesSchedule III  Real Estate and Accumulated DepreciationFinancial statement schedules other than those referred to above have been omitted because
they are not applicable or not required.(b)
    
    Reports on Form 8-KDuring the three months ended December 31, 2005, the following report on Form 8-K was
filed:On October 28, 2005, Form 8-K was filed regarding the dismissal of KPMG LLP as the
Partnerships independent registered public accounting firm and the selection of Squar,
Milner, Reehl & Williamson, LLP as the Partnerships new independent registered public
accountants.(c)
    
    Exhibits required by Item 601 of Regulation S-K:
 1.
    
    Incorporated herein by reference, Restated Agreement of Limited Partnership ofDel Taco Income Properties IV filed as Exhibit 3.01 to Partnerships RegistrationStatement on Form S-11 as filed with the Securities and Exchange Commission on June 5,1987.2.
    
    Incorporated herein by reference, Amendment to Restated Agreement of LimitedPartnership of Del Taco Income Properties IV.3.
    
    Incorporated herein by reference, Form of Standard Lease to be entered into byPartnership and Del Taco, Inc., as lessee, filed as Exhibit 10.02 to PartnershipsRegistration Statement on Form S-11 as filed with the Securities and Exchange Commissionon June 5, 1987.31.1
    
    Kevin K. Moriartys Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 200231.2
    
    Robert J. Terranos Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 200232.1
    
    Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
 23




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##### Table of Contents



DEL TACO INCOME PROPERTIES IV  SCHEDULE III
REAL ESTATE AND ACCUMULATED DEPRECIATION
DECEMBER 31, 2005
 Cost capitalized
    
    Gross amount atInitial
cost
to company
    

subsequent
to
acquisition
    

which
carried at
close of period
    


    


    


    
    Life on whichLand
    
    Buildings &
    
    
    
    
    
    Land, buildings &
    


    


    


    
    depreciation in latestDescription
    
    
    
    
    
    & land
    
    Improve-
    
    Carrying

    
    improvements
    
    Accumulated
    
    Date of
    
    Date
    
    income statement(All Restaurants)
    
    Encumbrances
    
    
    improvements
    
    ments
    
    costs

    
    Total
    
    depreciation
    
    construction
    
    acquired
    
    is computedPlacentia, CA
    
    $
    
    
    
    $
    465,933
    
    
    $
    485,961
    
    
    $
    
    
    
    $
    951,894
    
    
    $
    329,921
    
    
    
    1988
    
    
    
    1988
    
    
    20 (LI), 35 (BI)Lake Elsinore, CA
    
    
    
    
    
    
    449,058
    
    
    
    468,361
    
    
    
    
    
    
    
    917,419
    
    
    
    317,974
    
    
    
    1989
    
    
    
    1989
    
    
    20 (LI), 35 (BI)San Bernardino, CA
    
    
    
    
    
    
    321,709
    
    
    
    335,538
    
    
    
    
    
    
    
    657,247
    
    
    
    227,786
    
    
    
    1989
    
    
    
    1989
    
    
    20 (LI), 35 (BI)$
    
    
    
    $
    1,236,700
    
    
    $
    1,289,860
    
    
    $
    
    
    
    $
    2,526,560
    
    
    $
    875,681
 AccumulatedRestaurants
    
    DepreciationBalances at December 31, 2002:
    
    $
    2,526,560
    
    
    $
    709,877Additions
    
    
    
    
    
    
    55,268Retirements
    
    
    
    
    
    
    Balances at December
31, 2003:
    
    
    2,526,560
    
    
    
    765,145Additions
    
    
    
    
    
    
    55,268Retirements
    
    
    
    
    
    
    Balances at December
31, 2004:
    
    
    2,526,560
    
    
    
    820,413Additions
    
    
    
    
    
    
    55,268Retirements
    
    
    
    
    
    
    Balances at December
31, 2005:
    
    $
    2,526,560
    
    
    $
    875,681
   24




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##### Table of Contents



SIGNATURES
  DEL TACO INCOME PROPERTIES IV
a California limited partnershipDel Taco, Inc.
General PartnerDate March 17, 2006
    
    Kevin K. MoriartyKevin K. MoriartyDirector, Chairman and ChiefExecutive OfficerDate March 17, 2006
    
    Michael L. AnnisMichael L. AnnisSenior Vice President, Secretary andGeneral CounselDate March 17, 2006
    
    Robert J. TerranoRobert J. TerranoExecutive Vice President andChief Financial Officer
 25




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##### Table of Contents



Exhibit Index
 Exhibit
    
    Description1.
    
    Incorporated herein by reference, Restated Agreement of Limited Partnership of
Del Taco Income Properties IV filed as Exhibit 3.01 to Partnerships Registration
Statement on Form S-11 as filed with the Securities and Exchange Commission on June 5,
1987.2.
    
    Incorporated herein by reference, Amendment to Restated Agreement of Limited
Partnership of Del Taco Income Properties IV.3.
    
    Incorporated herein by reference, Form of Standard Lease to be entered into by
Partnership and Del Taco, Inc., as lessee, filed as Exhibit 10.02 to Partnerships
Registration Statement on Form S-11 as filed with the Securities and Exchange Commission
on June 5, 1987.31.1
    
    Kevin K. Moriartys Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 200231.2
    
    Robert J. Terranos Certification Pursuant to Section 302 of the Sarbanes-Oxley Act of 200232.1
    
    Certification Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
 26