UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANY

 

Investment Company Act file number:                   811-21181
                                                                       _____________________________________________________
   
   
BlackRock Municipal 2020 Term Trust

(Exact name of registrant as specified in charter)
 
   
         100 Bellevue Parkway, Wilmington, DE 19809

         (Address of principal executive offices) (Zip code)

Robert S. Kapito, President
BlackRock Municipal 2020 Term Trust
40 East 52nd Street, New York, NY 10022


(Name and address of agent for service)

 

 

Registrant's telephone number, including area code:      888-825-2257
____________________________________________
   
Date of fiscal year end:      December 31, 2004
____________________________________________
   
Date of reporting period:      March 31, 2005
____________________________________________

 





Item 1. Schedule of Investments

The registrant's unaudited schedule of investments as of the close of the reporting period pursuant to Rule 30b1-5 under the Investment Company Act of 1940 is as follows:

31, 2005


BlackRock Municipal 2020 Term Trust (BKK)

  Principal          
  Amount     Option Call    
Rating1 (000)  
Description
Provisions2
Value   
 

    LONG-TERM INVESTMENTS—153.9%    
      California—25.5%    
A $12,000   California, GO, 5.00%, 11/01/22 11/13 @ 100 $  12,413,760  
      Foothill/Eastn. Transp. Corridor Agcy.,    
BBB 10,000       Refdg. Cap. Apprec., Zero Coupon, 1/15/22 01/10 @ 50.177 3,748,000  
BBB 12,500       Toll Road Rev., Zero Coupon, 1/15/21 01/10 @ 53.346 4,979,750  
      Golden St. Tobacco Sec. Corp.,    
BBB 3,000       Ser. A-1, 6.625%, 6/01/40 06/13 @ 100 3,119,400  
BBB 12,010       Ser. A-1, 6.75%, 6/01/39 06/13 @ 100 12,647,130  
BBB 975       Ser. A-3, 7.875%, 6/01/42 06/13 @ 100 1,115,254  
BBB 1,470       Ser. A-5, 7.875%, 6/01/42 06/13 @ 100 1,681,460  
A- 20,000       Ser. B, 5.375%, 6/01/28 06/10 @ 100 20,780,400  
B- 3,035   Los Angeles Regl. Arpt. Impvt. Corp. Lease Rev., Amer. Airlines, Inc. Proj., Ser. C, 7.50%, 12/01/24 12/12 @ 102 3,062,224  
BBB+ 7,000   Poll. Ctrl. Fin. Auth. Sld. Wst. Disp. Rev., Republic Svcs., Inc. Proj., Ser. C, 5.25%, 6/01/23 No Opt. Call 7,397,950  
AAA 6,865   Riverside Cnty., Riverside Cnty. Hosp. Proj., Zero Coupon, 6/01/25, MBIA No Opt. Call 2,363,894  
BBB+ 3,355   Statewide Cmntys., Daughters of Charity Hlth. Proj., 5.25%, 7/01/25 07/15 @ 100 3,472,995  

          76,782,217  

      Colorado—0.6%    
AAA 4,500   E-470 Pub. Hwy. Auth., Cap. Apprec., Ser. B, Zero Coupon, 9/01/22, MBIA No Opt. Call 1,895,355  

      District of Columbia—5.2%    
      Friendship Pub., Charter Sch., Inc. Proj., ACA,    
A 3,320       5.00%, 6/01/23 06/14 @ 100 3,324,615  
A 2,680       5.75%, 6/01/18 06/14 @ 100 2,876,926  
AAA 5,000 3 Met. Washington Arpts. Auth., Arpt. Sys. Rev., Ser. C-2, 5.00%, 10/01/24, FSA 10/14 @ 100 5,102,250  
BBB 4,215   Tobacco Settlement Fin. Corp., 6.50%, 5/15/33 No Opt. Call 4,376,688  

          15,680,479  

      Florida—16.5%    
NR 4,860   Bellago Edl. Facs. Benefit Dist., Ser. A, 5.85%, 5/01/22 05/14 @ 100 4,950,445  
Baa1 1,500   Cap. Trust Agcy. Multi-Fam. Hsg., American Oppty. Proj., Ser. A, 5.75%, 12/01/23 06/13 @ 102 1,444,290  
NR 3,000   CFM Cmnty. Dev. Dist. Cap. Impvt., Ser. B, 5.875%, 5/01/14 No Opt. Call 3,056,820  
NR 4,445   Grand Hampton Cmnty. Dev. Dist., Cap. Impvt., 6.10%, 5/01/24 05/13 @ 101 4,514,164  
NR 4,140   Habitat Cmnty. Dev. Dist., 5.80%, 5/01/25 05/14 @ 101 4,110,026  
BB 5,475   Miami Beach Hlth. Facs. Auth., Mt. Sinai Med. Ctr. Proj., 6.75%, 11/15/21 11/14 @ 100 5,970,816  
NR 4,690   Middle Vlg. Cmnty. Dev. Dist., Ser. A, 5.80%, 5/01/22 05/13 @ 100 4,762,648  
NR 1,000   Pine Islands Cmnty. Dev. Dist. Util. Sys. Rev., 5.30%, 11/01/10 No Opt. Call 993,650  
NR 7,805   Stevens Plantation Cmnty. Dist. Spl. Assmt. Rev., Ser. B, 6.375%, 5/01/13 No Opt. Call 7,952,671  
NR 4,000   Vlg. Cmnty. Dev. Dist., No. 5, Spl. Assmt. Rev., Ser. A, 6.00%, 5/01/22 05/13 @ 101 4,154,360  
NR 6,000   Westchester Cmnty. Dev. Dist. No. 1 Spl. Assmt., 6.00%, 5/01/23 05/13 @ 101 6,179,460  
NR 1,555   World Commerce Cmnty. Dev. Dist., Spec. Assmt., Ser. A-1, 6.25%, 5/01/22 05/14 @ 101 1,581,264  

          49,670,614  

      Georgia—1.7%    
BBB 2,500   Milledgeville Baldwin Cnty. Dev. Auth., Georgia Coll. & St. Univ. Fndtn. Proj., 5.50%, 9/01/24 09/14 @ 101 2,574,625  
BBB 2,350   Richmond Cnty. Dev. Auth., Env. Impvt., 5.75%, 11/01/27 11/13 @ 100 2,425,247  

          4,999,872  

      Illinois—9.5%    
NR 2,155   Centerpoint Intermodal Ctr. Prog. Trust, Ser. A, 8.00%, 6/15/23 No Opt. Call 2,159,482  
A- 5,000   Dev. Fin. Auth., Depaul Univ. Proj., Ser. C, 5.25%, 10/01/24 10/14 @ 100 5,239,750  
AA+ 4,800   Edl. Fac. Auth., Northwestern Univ. Proj., 5.00%, 12/01/21 12/13 @ 100 5,012,208  
      Fin. Auth. Student Hsg., MJH Ed. Asst. Living Proj.,    
Baa2 3,250       Ser. A, 5.50%, 6/01/19 06/14 @ 100 3,397,128  
Baa2 2,725       Ser. A, 5.00%, 6/01/24 06/14 @ 100 2,681,918  
Baa3 1,075       Ser. B, 5.00%, 6/01/24 06/14 @ 100 1,043,341  
AAA 8,265   Lake Cnty. Cmnty. Con. Sch. Dist., No. 73 Hawthorn Proj., Zero Coupon, 12/01/22, MBIA No Opt. Call 3,444,108  
AAA 13,455   Met. Pier & Expo. Auth., Ded. St. Tax Rev., McCormick Place Expansion Proj.,    
          Ser. A, Zero Coupon, 6/15/22, MBIA No Opt. Call 5,784,843  

          28,762,778  

1


BlackRock Municipal 2020 Term Trust (BKK) (continued)

  Principal          
  Amount     Option Call    
Rating1 (000)  
Description
Provisions2
Value   
 

    Indiana—5.1%    
BBB $10,000   Indianapolis Arpt. Auth., FedEx Corp. Proj., 5.10%, 1/15/17 No Opt. Call $  10,330,500  
NR 5,290   Vincennes Econ. Dev., Southwest Indiana Regl. Youth Proj., 6.25%, 1/01/24 01/09 @ 102 5,133,998  

          15,464,498  

      Kansas—1.0%    
AAA 6,440   Wyandotte Cnty., Unified Gov’t. Spl. Oblig., Intl. Speedway Proj., Zero Coupon,    
          12/01/20, MBIA No Opt. Call 3,032,016  

      Kentucky—1.4%    
BBB 3,750   Maysville Sld. Wst. Disp., Inland Container Corp. Proj., 6.90%, 9/01/22 09/13 @ 102 4,150,875  

      Louisiana—0.7%    
BBB 2,000   De Soto Parish, Env. Impvt. Rev., Ser. A, 5.85%, 11/01/27 11/13 @ 100 2,036,300  

      Maryland—5.7%    
      Frederick Cnty., Urbana Cmnty. Dev. Auth.  
NR4 3,000       6.625%, 7/01/25 07/07 @ 102 3,125,640  
NR4 5,171       Ser. A, 5.80%, 7/01/20 07/07 @ 102 5,184,496  
Baa1 8,500   Hlth. & Higher Edl. Facs. Auth., Medstar Hlth. Proj., 5.375%, 8/15/24 08/14 @ 100 8,761,035  

          17,071,171  

      Massachusetts—3.3%    
AAA 5,000   Bay Transp. Auth., Sales Tax Rev., Ser. A, 5.00%, 7/01/24 No Opt. Call 5,386,350  
BBB 4,500   Dev. Fin. Agcy., Sld. Wst. Disp. Rev., Wst. Mgmt., Inc. Proj., 5.45%, 6/01/14 No Opt. Call 4,675,995  

          10,062,345  

      Michigan—1.7%    
BB+ 5,000   Midland Cnty. Econ. Dev., Ser. A, 6.875%, 7/23/09 07/07 @ 101 5,163,000  

      Minnesota—0.4%    
A2 1,250   Higher Ed. Facs. Auth., Univ. of St. Thomas Proj., Ser. 5, 5.00%, 10/01/24 10/14 @ 100 1,287,125  

      Mississippi—1.0%    
BBB 3,000   Warren Cnty. Env. Impvt, Intl. Paper Proj., Ser. A, 5.85%, 11/01/27 11/13 @ 100 3,042,210  

      Missouri—3.6%    
BBB+ 5,000   Dev. Fin. Brd., Branson Landing Proj., Ser. A, 5.50%, 12/01/24 06/14 @ 100 5,252,750  
AA 5,500   Hlth. & Edu. Fac., BJC Hlth. Sys. Proj., Ser. A, 5.00%, 5/15/20 05/15 @ 100 5,725,720  

          10,978,470  

      Multi-State—6.6%    
      Charter Mac Equity Issuer Trust,    
A3 1,000 5     Ser. A, 5.75%, 4/30/15 No Opt. Call 1,028,430  
A3 2,500 5     Ser. A, 6.00%, 4/30/19 No Opt. Call 2,576,675  
Baa1 4,000 5     Ser. B, 6.00%, 4/30/15 No Opt. Call 4,112,400  
Baa1 2,500 5     Ser. B, 6.30%, 4/30/19 No Opt. Call 2,587,300  
      Munimae TE Bond Subsidiary, LLC,    
Baa2 5,000 5     Ser. C1, 5.40%, 6/30/49 09/14 @ 100 4,812,600  
Baa2 5,000 5     Ser. C2, 5.80%, 6/30/49 09/19 @ 100 4,829,050  

          19,946,455  

      New Hampshire—1.7%    
BBB+ 5,000   Hlth. & Edu. Fac., Elliot Hosp. Proj., Ser. B, 5.60%, 10/01/22 10/13 @ 100 5,219,500  

      New Jersey—12.9%    
      Econ. Dev. Auth.,    
BBB 11,500       Cigarette Tax, 5.50%, 6/15/24 06/12 @ 100 11,828,555  
B 10,000       Continental Airlines, Inc. Proj., 7.00%, 11/15/30 11/10 @ 101 8,463,800  
B 1,500       Continental Airlines, Inc. Proj., 9.00%, 6/01/33 06/13 @ 101 1,504,830  
BBB- 1,000       First Mtg. Winchester Proj., Ser. A, 4.80%, 11/01/13 No Opt. Call 1,000,250  
Baa3 7,500       Kapkowski Road Landfill Proj., 6.50%, 4/01/31 No Opt. Call 8,474,250  
Baa1 4,000   Hlth. Care Fac. Fin. Auth., Cap. Hlth. Sys. Oblig. Grp., Ser. A, 5.75%, 7/01/23 07/13 @ 100 4,255,760  
      Middlesex Cnty. Impvt. Auth.,    
NR 2,500       Heldrich Ctr. Hotel Proj., Ser. B, 6.125%, 1/01/25 01/15 @ 100 2,412,925  
Baa1 1,000       Str. Student Hsg. Proj., Ser. A, 5.00%, 8/15/23 08/14 @ 100 996,370  

          38,936,740  

      New Mexico—0.9%    
NR 2,685   Sandoval Cnty. Proj. Dev., Santa Ana Pueblo Proj., 7.75%, 7/01/15 No Opt. Call 2,748,554  

2


BlackRock Municipal 2020 Term Trust (BKK) (continued)

  Principal          
  Amount     Option Call    
Rating1 (000)  
Description
Provisions2
Value   
 

    Ohio—7.0%    
      Cuyahoga Cnty., Cleveland Clinic Hlth. Sys. Proj.,    
Aa3 $ 3,000       6.00%, 1/01/19 07/13 @ 100 $     3,374,820  
Aa3 10,000       6.00%, 1/01/20 07/13 @ 100 11,212,400  
Baa2 4,000   Ohio Wtr. Dev. Auth., Collateral Wtr. Dev. Dayton Pwr. Proj., Ser. A, 6.40%, 8/15/27 05/05 @ 100 4,014,600  
NR 1,100   Pinnacle Cmnty. Infrastructure Fin. Auth. Facs. Rev., Ser. A, 6.00%, 12/01/22 12/14 @ 101 1,122,088  
NR 1,215   Port of Greater Cincinnati Dev. Auth., Coop. Pub. Pkg. Infrastructure Proj., 6.30%, 2/15/24 02/14 @ 102 1,278,350  

          21,002,258  

      Oklahoma—1.1%    
B- 3,350   Tulsa Mun. Arpt. Trust, Ser. A, 7.75%, 6/01/35 No Opt. Call 3,347,856  

      Pennsylvania—6.3%    
BBB+ 6,680   Higher Edl. Fac., La Salle Univ. Proj., 5.50%, 5/01/26 05/13 @ 100 6,975,991  
A 10,000   Lancaster Cnty. Hosp. Auth., Gen. Hosp. Proj., 5.75%, 3/15/20 09/13 @ 100 10,782,400  
NR 1,275   Montgomery Cnty. Indl. Dev. Auth., Whitemarsh Continuing Care Proj., 6.00%, 2/01/21 02/15 @ 100 1,302,081  

          19,060,472  

      Puerto Rico—11.8%    
A- 10,900   Elec. Pwr. Auth., Ser. NN, 5.125%, 7/01/24 07/13 @ 100 11,363,904  
      Pub. Impvt., Ser. A,    
A- 5,000       5.25%, 7/01/22 07/13 @ 100 5,290,700  
A- 11,000       5.25%, 7/01/23 07/13 @ 100 11,639,540  
A- 7,000       5.25%, 7/01/24 07/13 @ 100 7,387,170  

          35,681,314  

      Rhode Island—1.5%    
BBB 4,500   Hlth. & Edl. Bldg. Corp., Hosp. Fin., Ser. A, 5.875%, 9/15/23 09/08 @ 100 4,535,325  

      Texas—7.1%    
Baa3 5,000   Affordable Hsg. Corp., Multi-Fam. Hsg. Rev., Arborstone/Baybrook Oaks Proj.,    
          Ser. A, 5.85%, 11/01/31 11/11 @ 102 4,614,750  
BBB 1,100   Brazos River Auth., PCR, TXU Energy Co. LLC Proj., Ser. A, 6.75%, 4/01/38 No Opt. Call 1,248,357  
BBB 3,500   Port Corpus Christi Indl. Dev. Corp., Valero Convertible Proj., Ser. C, 5.40%, 4/01/18 04/08 @ 102 3,595,305  
      Tpke. Auth., Central Texas Tpke. Sys. Proj., Ser. A, AMBAC,    
AAA 7,990       Zero Coupon, 8/15/21 No Opt. Call 3,647,914  
AAA 8,450       Zero Coupon, 8/15/24 No Opt. Call 3,223,506  
      Weatherford Indpt. Sch. Dist.,  
AAA 6,945       Zero Coupon, 2/15/23 02/11 @ 50.236 2,664,866  
AAA 6,945       Zero Coupon, 2/15/24 02/11 @ 47.435 2,501,936  

          21,496,634  

      Trust Territories—1.3%    
A- 4,000 5 San Manuel Entertainment Auth., 2004 Gaming Proj., Ser. C, 4.50%, 12/01/16 12/13 @ 102 3,921,560  

      U. S. Virgin Islands—0.4%    
BBB 1,000   Pub. Fin. Auth., Sen. Lien Matching Fund Loan, Ser. A, 5.25%, 10/01/17 10/14 @ 100 1,066,950  

      Virginia—7.8%    
NR 5,000   Celebrate North Cmnty. Dev. Auth., Spl. Assmt. Rev., Ser. B, 6.60%, 3/01/25 03/14 @ 102 5,088,350  
BBB 10,000   Charles City Cnty. Econ. Dev. Auth., Sld. Wst. Disp., 5.125%, 8/01/27 03/05 @ 100 10,108,600  
A3 7,500   Mecklenburg Cnty. Ind. Dev. Auth., Exempt FAC-UAE LP Proj., 6.50%, 10/15/17 10/12 @ 100 8,297,475  

          23,494,425  

      Washington—2.4%    
      Washington,    
AAA 10,000       Ser. S-5, Zero Coupon, 1/01/19, FGIC No Opt. Call 5,149,200  
AAA 4,630       Motor Vehicle, Ser. F, Zero Coupon, 12/01/21, MBIA No Opt. Call 2,037,339  

          7,186,539  

      Wisconsin—2.2%    
      Hlth. & Ed. Fac. Auth., Wheaton Franciscan Svcs. Proj.,    
A 2,880       5.50%, 8/15/17 08/13 @ 100 3,074,544  
A 3,190       5.50%, 8/15/18 08/13 @ 100 3,382,676  

          6,457,220  

      Total Long-Term Investments (cost $450,230,730)   464,181,127  

3


BlackRock Municipal 2020 Term Trust (BKK) (continued)

  Principal        
  Amount        
Rating1 (000) Description   Value     

    SHORT-TERM INVESTMENTS—5.9%    
      Massachusetts—1.8%    
A1+ $ 5,450 6 St. Dev. Fin. Agcy., Boston Univ., Ser. R-4, 2.27%, 4/01/05, XLCA, FRDD   $     5,450,000  

      North Dakota—1.7%    
VMIG1 5,250 6 Grand Forks N. Dakota Hosp. Facilities Rev., United Hosp. Oblig. Grp. Proj.,    
          2.33%, 4/01/05, FRDD   5,250,000  

  Shares        
  (000)   Money Market Fund—2.4%    

  7,250   AIM Tax Free Investment Co. Cash Reserve Portfolio   7,250,000  

      Total Short-Term Investments (cost $17,950,000)   17,950,000  

      Total Investments—159.8% (cost $468,180,7307)   $ 482,131,127  
      Liabilities in excess of other assets—(0.9)%   (2,853,501)  
      Preferred shares at redemption value, including dividends payable—(58.9)%   (177,627,726)  

      Net Assets Applicable to Common Shareholders—100%   $ 301,649,900  


1   Using the higher of Standard & Poor’s, Moody’s Investors Services or Fitch’s Ratings.  
2   Date (month/year) and price of the earliest optional call or redemption. There may be other call provisions at varying prices at later dates.  
3   Entire or partial principal amount pledged as collateral for financial futures contracts.  
4   Security is deemed to be of investment grade quality by the investment advisor.  
5   Security is not registered under the Securities Act of 1933. These securities may be resold in transactions in accordance with Rule 144A under that Act, to qualified institutional buyers. As of March 31, 2005, the Trust held 7.9% of it nets assets, with a current market value of $23,868,015 in securities.  
6   For purposes of amortized cost valuation, the maturity date of this instrument is considered to be the earlier of the next date on which the security can be redeemed at par, or the next date on which the rate of interest is adjusted.  
7   Cost for Federal income tax purposes is $468,165,791. The net unrealized appreciation on a tax basis is $13,965,336 consisting of $15,980,194 gross unrealized appreciation and $2,014,858 gross unrealized depreciation.  

 

KEY TO ABBREVIATIONS
ACA American Capital Access   GO General Obligation
AMBAC American Municipal Bond Assurance Corp.   MBIA Municipal Bond Insurance Assoc.
FGIC Financial Guaranty Insurance Co.   PCR Pollution Control Revenue
FRDD Floating Rate Daily Demand   XLCA XL Capital Assurance
FSA Financial Security Assurance      

4


Item 2. Controls and Procedures

(a) The registrant's principal executive officer and principal financial officer have evaluated the registrant's disclosure controls and procedures within 90 days of this filing and have concluded that the registrant’s disclosure controls and procedures are effective, as of that date, in ensuring that information required to be disclosed by the registrant in this Form N-Q was recorded, processed, summarized, and reported timely.

(b) The registrant's principal executive officer and principal financial officer are aware of no changes in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting.

Item 3. Exhibits.

Separate certifications of Principal Executive and Financial Officers pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 attached as EX-99.CERT.


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)     BlackRock Municipal 2020 Term Trust
______________________________________________________________

By:     /s/ Henry Gabbay
_____________________________________________________________________
Name: Henry Gabbay
Title: Treasurer
Date: May 27, 2005

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/ Robert S. Kapito
_____________________________________________________________________
Name: Robert S. Kapito
Title: Principal Executive Officer
Date: May 27, 2005

By:      /s/ Henry Gabbay
_____________________________________________________________________
Name: Henry Gabbay
Title: Principal Financial Officer
Date: May 27, 2005