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                                                                     Exhibit 4.2

         UNLESS THIS NOTE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE
DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION ("DTC"), 55 WATER STREET, NEW
YORK, NEW YORK, TO THE COMPANY (AS DEFINED BELOW) OR ITS AGENT FOR REGISTRATION
OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN
THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED
REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER
ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER,
PLEDGE, OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS
WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST
HEREIN.

         THIS NOTE IS A GLOBAL NOTE WITHIN THE MEANING SET FORTH IN THE
INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF DTC OR A
NOMINEE OF DTC. THIS NOTE IS EXCHANGEABLE FOR NOTES REGISTERED IN THE NAME OF A
PERSON OTHER THAN DTC OR ITS NOMINEE ONLY IN THE LIMITED CIRCUMSTANCES DESCRIBED
IN THE INDENTURE, AND MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY DTC TO A
NOMINEE OF DTC OR ANOTHER NOMINEE OF DTC OR BY DTC OR ITS NOMINEE TO A SUCCESSOR
DEPOSITORY OR ITS NOMINEE.

Registered No.___
                                  $175,000,000

CUSIP No. 144418 AM 2

                         CARRAMERICA REALTY CORPORATION

                           5.25% SENIOR NOTE DUE 2007

         CARRAMERICA REALTY CORPORATION, a corporation duly organized and
existing under the laws of the State of Maryland (herein referred to as the
"Company" which term shall include any successor corporation under the Indenture
hereinafter referred to), for value received, hereby promises to pay to Cede &
Co. or registered assigns, upon presentation, the principal sum of One Hundred
Seventy-Five Million Dollars on November 30, 2007 and to pay interest on the
outstanding principal amount thereon from November 25, 2002 or from the
immediately preceding Interest Payment Date to which interest has been paid or
duly provided for, semi-annually in arrears on May 30 and November 30 in each
year, commencing May 30, 2003, at the rate of 5.25% per annum, until the entire
principal hereof is paid or made available for payment. The interest so payable
and punctually paid or duly provided for on any Interest Payment Date will, as
provided in the Indenture, be paid to the Person in whose name this Note is
registered at the close of business on the Regular Record Date for such interest
which shall be the May 15 or November 15 (whether or not a Business Day), as the
case may be, next preceding such Interest Payment Date. Any such interest not so
punctually paid or duly provided for shall forthwith

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cease to be payable to the Holder on such Regular Record Date, and may either be
paid to the Person in whose name this Note is registered at the close of
business on a Special Record Date for the payment of such Defaulted Interest to
be fixed by the Trustee, notice whereof shall be given to Holders of the Notes
not more than 15 days and not less than 10 days prior to such Special Record
Date, or may be paid at any time in any other lawful manner not inconsistent
with the requirements of any securities exchange on which the Notes may be
listed, and upon such notice as may be required by such exchange, all as more
fully provided in the Indenture. Payment of the principal of and interest on
this Note will be made at the office or agency maintained for that purpose in
the City of New York, New York, or elsewhere as provided in the Indenture, in
such coin or currency of the United States of America as at the time of payment
is legal tender for payment of public and private debts; provided, however, that
at the option of the Company payments of principal and interest on the Notes
(other than payments of principal and interest due at Maturity) may be made by
check mailed to the address of the Person entitled thereto as such address shall
appear in the Security Register.

         Notes of this series are one of a duly authorized issue of securities
of the Company (herein called the "Notes"), issued and to be issued in one or
more series under an Indenture, dated as of January 11, 2002 (the "Indenture"),
among the Company, CarrAmerica Realty, L.P., as guarantor (herein called the
"Guarantor"), and U.S. Bank National Association, as trustee (herein called the
"Trustee," which term includes any successor trustee under the Indenture), to
which Indenture and all indentures supplemental thereto reference is hereby made
for a statement of the respective rights, limitations of rights, duties and
immunities thereunder of the Company, the Guarantor, the Trustee and the Holders
of the Notes and of the terms upon which the Notes are authenticated and
delivered. This Note is one of the series designated therein.

         Notes of this series may be redeemed at any time at the option of the
Company, in whole or in part, in accordance with the terms of Article Eleven of
the Indenture, at a redemption price equal to the sum of (i) the principal
amount of the Notes being redeemed plus accrued interest thereon to the
Redemption Date and (ii) the Make-Whole Amount, if any, with respect to such
Notes.

         As used herein,

         "Make-Whole Amount" means, in connection with any optional redemption,
the excess, if any, of (i) the aggregate present value as of the date of the
redemption of each dollar of principal being redeemed and the amount of interest
(exclusive of interest accrued to the date of redemption) that would have been
payable in respect of the dollar if the redemption had not been made, determined
by discounting, on a semi-annual basis, the principal and interest at the
Reinvestment Rate (determined on the third Business Day preceding the date the
notice of redemption is given) from the respective dates on which the principal
and interest would have

                                        2

<PAGE>

been payable if the redemption had not been made, over (ii) the aggregate
principal amount of the Notes being redeemed or paid.

         "Reinvestment Rate" means 0.30% plus the arithmetic mean of the yields
under the headings "Week Ending" published in the most recent Statistical
Release under the caption "Treasury Constant Maturities" for the maturity
(rounded to the nearest month) corresponding to the remaining life to maturity
of the Notes, as of the payment date of the principal being redeemed. If no
maturity exactly corresponds to the maturity, yields for the two published
maturities most closely corresponding to the maturity shall be calculated
pursuant to the immediately preceding sentence and the Reinvestment Rate shall
be interpolated or extrapolated from those yields on a straight-line basis,
rounding each of the relevant periods to the nearest month. For purposes of
calculating the Reinvestment Rate, the most recent Statistical Release published
prior to the date of determination of the Make-Whole Amount shall be used.

         "Statistical Release" means the statistical release designated
"H.15(519)" or any successor publication which is published weekly by the
Federal Reserve System and which establishes yields on actively traded United
states government securities adjusted to constant maturities or, if the
statistical release is not published at the time of any determination of the
Make-Whole Amount, then such other reasonably comparable index which shall be
designated by the Company.

         The Indenture contains provisions for defeasance at any time of (a) the
entire indebtedness of the Company on this Note and (b) certain restrictive
covenants and the related defaults and Events of Default applicable to the
Company, in each case, upon compliance by the Company with certain conditions
set forth in the Indenture, which provisions apply to this Note.

         If an Event of Default with respect to the Notes shall occur and be
continuing, the principal of the Notes may be declared due and payable in the
manner and with the effect provided in the Indenture.

         As provided in and subject to the provisions of the Indenture, the
Holder of this Note shall not have the right to institute any proceeding with
respect to the Indenture or for the appointment of a receiver or trustee or for
any other remedy thereunder, unless such Holder shall have previously given
written notice to the Trustee of a continuing Event of Default with respect to
the Notes, the Holders of not less than 25% in principal amount of the Notes of
this series at the time Outstanding shall have made written request to the
Trustee to institute proceedings in respect of such Event of Default as Trustee
and offered the Trustee reasonable indemnity and the Trustee shall not have
received from the Holders of a majority in principal amount of Notes of this
series at the time Outstanding a direction inconsistent with such request, and
shall have failed to institute any such proceeding, for 60 days after receipt of
such notice, request and offer of indemnity. The foregoing shall not apply to
any suit instituted by the Holder of this Note for

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<PAGE>

the enforcement of any payment of principal hereof or any interest on or after
the respective due dates expressed herein.

         The Indenture permits, with certain exceptions as therein provided, the
amendment thereof and the modification of the rights and obligations of the
Company and the rights of the Holders of the Notes of each series to be affected
under the Indenture at any time by the Company and the Trustee with the consent
of the Holders of not less than a majority in principal amount of the
Outstanding Notes of each series of Notes then Outstanding affected thereby. The
Indenture also contains provisions permitting the Holders of specified
percentages in principal amount of the Notes of each series at the time
Outstanding, on behalf of the Holders of all Notes of such series, to waive
compliance by the Company with certain provisions of the Indenture and certain
past defaults under the Indenture and their consequences. Any such consent or
waiver by the Holder of this Note shall be conclusive and binding upon such
Holder and upon all future Holders of this Note and of any Note issued upon the
registration of transfer hereof or in exchange herefor or in lieu hereof,
whether or not notation of such consent or waiver is made upon this Note.

         No reference herein to the Indenture and no provision of this Note or
of the Indenture shall alter or impair (i) the obligation of the Company, which
is absolute and unconditional, to pay the principal of (and Make-Whole Amount,
if any) and interest on this Note at the times, place and rate, and in the coin
or currency, herein prescribed, or (ii) the obligations of the Guarantor, which
are unconditional, in respect of the Guaranteed Obligations.

         As provided in the Indenture and subject to certain limitations therein
set forth, the transfer of this Note is registrable in the Security Register,
upon surrender of this Note for registration of transfer at the office or agency
of the Company in any Place of Payment where the principal of (and Make-Whole
Amount, if any) and interest on this Note are payable, duly endorsed by, or
accompanied by a written instrument of transfer in form satisfactory to the
Company and the Security Registrar duly executed by the Holder hereof or his or
her attorney duly authorized in writing, and thereupon one or more new Notes of
this series, of authorized denominations and for the same aggregate principal
amount, will be issued to the designated transferee or transferees.

         The Notes of this series are issuable only in registered form in
denominations of $1,000 and any integral multiple thereof. As provided in the
Indenture and subject to certain limitations therein set forth, Notes of this
series are exchangeable for a like aggregate principal amount of Notes of this
series of a different authorized denomination, as requested by the Holder
surrendering the same.

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         No service charge shall be made for any such registration of transfer
or exchange, but the Company may require payment of a sum sufficient to cover
any tax or other governmental charge payable in connection therewith.

         Prior to due presentment of this Note for registration of transfer, the
Company, the Guarantor, the Trustee and any agent of the Company or the Trustee
may treat the Person in whose name this Note is registered as the owner hereof
for all purposes, whether or not this Note be overdue, and neither the Company,
the Trustee nor any such agent shall be affected by notice to the contrary.

         No recourse under or upon any obligation, covenant or agreement
contained in the Indenture or in this Note, or because of any indebtedness
evidenced hereby or thereby, shall be had against any promoter, as such, or
against any past, present or future stockholder, officer or director, as such,
of the Company or of any successor, either directly or through the Company or
any successor, under any rule of law, statute or constitutional provision or by
the enforcement of any assessment or by any legal or equitable proceeding or
otherwise, all such liability being expressly waived and released by the
acceptance of this Note by the Holder thereof and as part of the consideration
for the issue of the Notes of this series.

         All capitalized terms used but not otherwise defined in this Note which
are defined in the Indenture shall have the meanings assigned to them in the
Indenture.

         THE INDENTURE AND THE NOTES, INCLUDING THIS NOTE, SHALL BE GOVERNED BY
AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.

         Pursuant to a recommendation promulgated by the Committee on Uniform
Security Identification Procedures, the Company has caused a "CUSIP" number to
be printed on the Notes of this series as a convenience to the Holders of such
Notes. No representation is made as to the correctness or accuracy of such CUSIP
number as printed on the Notes, and reliance may be placed only on the other
identification numbers printed hereon.

         Unless the certificate of authentication hereon has been executed by or
on behalf of the Trustee by manual signature, this Note shall not be entitled to
any benefit under the Indenture or be valid or obligatory for any purpose.

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<PAGE>

       IN WITNESS WHEREOF, CARRAMERICA REALTY CORPORATION has caused this
instrument to be duly executed under its corporate seal.

Dated: November __, 2002

                                          CARRAMERICA REALTY CORPORATION

                                          By:________________________
                                          Name:
                                          Title:

[Corporate Seal]

Attest:



_____________________________


                                          CARRAMERICA REALTY, L.P., as Guarantor

                                          By:  CARRAMERICA REALTY GP HOLDINGS,
                                                   INC., as General Partner

                                                By___________________
                                                Name:
                                                Title:

[Corporate Seal]

Attest:



_____________________________

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<PAGE>

TRUSTEE'S CERTIFICATE OF AUTHENTICATION:

         This is one of the Notes of the series designated therein referred to
in the within-mentioned Indenture.

                                      U.S. BANK NATIONAL ASSOCIATION, as Trustee


                                      By:_________________________________
                                      Name:
                                      Title:

                                        7

<PAGE>

                      ------------------------------------

                                 ASSIGNMENT FORM

                   FOR VALUE RECEIVED, the undersigned hereby
                        sells, assigns and transfers unto

PLEASE INSERT SOCIAL
SECURITY OR OTHER IDENTIFYING
NUMBER OF ASSIGNEE
----------------------------------------------------------

----------------------------------------------------------


_________________________________________________
              (Please Print or Typewrite Name and Address including
                              Zip Code of Assignee)


_________________________________________________
the within Note of CarrAmerica Realty Corporation and hereby does irrevocably
constitute and appoint

___________________________________ Attorney to transfer said Note on the books
of the within-named Company with full power of substitution in the premises.

Dated: ___________ ____________________

                _____________________

NOTICE: The signature to this assignment must correspond with the name as it
appears on the first page of the within Note in every particular, without
alteration or enlargement or any change whatever.

_______________________________________

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