Initial Statement of Beneficial Ownership

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Expires: February 28, 2011 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*
Calera Capital Management IV Inc
2. Date of Event Requiring Statement (MM/DD/YYYY) 4/14/2009
3. Issuer Name and Ticker or Trading Symbol
LoopNet, Inc. [LOOP]

(Last)        (First)        (Middle)
C/O CALERA CAPITAL,, 580 CALIFORNIA STREET, SUITE 2200
4. Relationship of Reporting Person(s) to Issuer (Check all applicable)
__ X __ Director                            ___ X ___ 10% Owner
_____ Officer (give title below)          _____ Other (specify below)

(Street)
SAN FRANCISCO, CA 94104

(City)              (State)              (Zip) 5. If Amendment, Date Original Filed (MM/DD/YYYY)

6. Individual or Joint/Group Filing (Check Applicable Line)
___ Form filed by One Reporting Person
_ X _ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security
(Instr. 4) 2. Amount of Securities Beneficially Owned
(Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5) 4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)

1. Title of Derivate Security
(Instr. 4) 2. Date Exercisable and Expiration Date
(MM/DD/YYYY) 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4) 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5) 6. Nature of Indirect Beneficial Ownership
(Instr. 5)

Date Exercisable Expiration Date Title Amount or Number of Shares

Series A Convertible Preferred Stock ⁽¹⁾ 4/14/2009 ⁽²⁾ ⁽³⁾ Common Stock 5208332 $6.72 I ⁽⁴⁾ ⁽⁵⁾ See Footnotes 4 and 5

Explanation of Responses:

( 1) The Series A Convertible Preferred Stock is initially convertible into the Issuer's Common Stock at a conversion price of $6.72 per share, as may be adjusted for stock dividends, stock splits or similar recapitalization.

( 2) The Series A Convertible Preferred Stock is convertible at any time, at the beneficial owner's election.

( 3) The Series A Convertible Preferred Stock has no expiration date.

( 4) Calera Capital Partners IV, L.P. ("Calera") is the direct owner of 5,029,166 shares of Common Stock that may be acquired upon conversion of 33,796 shares of Series A Convertible Preferred Stock and Calera Capital Partners IV Side-By-Side, L.P., ("Side-By-Side") is the direct owner of 179,166 shares of Common Stock that may be acquired upon conversion of 1,204 shares of Series A Convertible Preferred Stock. The shares may also be deemed to be owned indirectly by Calera Capital Investors IV, L.P. ("Investors"), which is the general partner of each of Calera and Side-By-Side and Calera Capital Management IV, Inc. ("Management"), which is the general partner of Investors.

( 5) Calera Capital Investors IV, L.P. ("Investors") and Calera Capital Management IV, Inc. ("Management") disclaim beneficial ownership of such shares except to the extent of any pecuniary interest therein. James T. Farrell, in his capacity as director and stockholder of Management, may be deemed to share voting and dispositive power over, and may be deemed to share beneficial ownership of, the shares beneficially owned by Management through its control over Investors, and indirectly, over Calera Capital Partners IV, L.P. and Calera Capital Partners IV Side-By-Side, L.P., but disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.

Reporting Owners

Reporting Owner Name / Address Relationships

Director 10% Owner Officer Other

Calera Capital Management IV Inc
C/O CALERA CAPITAL,
580 CALIFORNIA STREET, SUITE 2200
SAN FRANCISCO, CA 94104 X X

Calera Capital Investors IV LP
C/O CALERA CAPITAL,
580 CALIFORNIA STREET, SUITE 2200
SAN FRANCISCO, CA 94104 X X

Calera Capital Partners IV LP
C/O CALERA CAPITAL,
580 CALIFORNIA STREET SUITE 2200
SAN FRANCISCO, CA 94104 X X

CALERA CAPITAL PARTNERS IV SIDE-BY-SIDE LP
C/O CALERA CAPITAL,
580 CALIFORNIA STREET, SUITE 2200
SAN FRANCISCO, CA 94104 X X

FARRELL JAMES T
C/O CALERA CAPITAL,
580 CALIFORNIA STREET, SUITE 2200
SAN FRANCISCO, CA 94104 X X

Signatures

/s/ James T. Farrell, Co-President 4/24/2009

^** Signature of Reporting Person Date

Calera Capital Management IV, Inc., General Partner, By: James T. Farrell, Co-President 4/24/2009

^** Signature of Reporting Person Date

Calera Capital Investors IV, LP, General Partner, By: Calera Capital Management IV, Inc., General Partner, By: James T. Farrell, Co-President 4/24/2009

^** Signature of Reporting Person Date

Calera Capital Investors IV, LP, General Partner, By: Calera Capital Management IV, Inc., General Partner, By: James T. Farrell, Co-President 4/24/2009

^** Signature of Reporting Person Date

James T. Farrell 4/24/2009

^** Signature of Reporting Person Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Series A Convertible Preferred Stock ⁽¹⁾	4/14/2009 ⁽²⁾	⁽³⁾	Common Stock	5208332	$6.72	I ⁽⁴⁾ ⁽⁵⁾	See Footnotes 4 and 5

Explanation of Responses:
( 1)	The Series A Convertible Preferred Stock is initially convertible into the Issuer's Common Stock at a conversion price of $6.72 per share, as may be adjusted for stock dividends, stock splits or similar recapitalization.
( 2)	The Series A Convertible Preferred Stock is convertible at any time, at the beneficial owner's election.
( 3)	The Series A Convertible Preferred Stock has no expiration date.
( 4)	Calera Capital Partners IV, L.P. ("Calera") is the direct owner of 5,029,166 shares of Common Stock that may be acquired upon conversion of 33,796 shares of Series A Convertible Preferred Stock and Calera Capital Partners IV Side-By-Side, L.P., ("Side-By-Side") is the direct owner of 179,166 shares of Common Stock that may be acquired upon conversion of 1,204 shares of Series A Convertible Preferred Stock. The shares may also be deemed to be owned indirectly by Calera Capital Investors IV, L.P. ("Investors"), which is the general partner of each of Calera and Side-By-Side and Calera Capital Management IV, Inc. ("Management"), which is the general partner of Investors.
( 5)	Calera Capital Investors IV, L.P. ("Investors") and Calera Capital Management IV, Inc. ("Management") disclaim beneficial ownership of such shares except to the extent of any pecuniary interest therein. James T. Farrell, in his capacity as director and stockholder of Management, may be deemed to share voting and dispositive power over, and may be deemed to share beneficial ownership of, the shares beneficially owned by Management through its control over Investors, and indirectly, over Calera Capital Partners IV, L.P. and Calera Capital Partners IV Side-By-Side, L.P., but disclaims beneficial ownership of such shares except to the extent of any pecuniary interest therein.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Calera Capital Management IV Inc C/O CALERA CAPITAL, 580 CALIFORNIA STREET, SUITE 2200 SAN FRANCISCO, CA 94104	X	X
Calera Capital Investors IV LP C/O CALERA CAPITAL, 580 CALIFORNIA STREET, SUITE 2200 SAN FRANCISCO, CA 94104	X	X
Calera Capital Partners IV LP C/O CALERA CAPITAL, 580 CALIFORNIA STREET SUITE 2200 SAN FRANCISCO, CA 94104	X	X
CALERA CAPITAL PARTNERS IV SIDE-BY-SIDE LP C/O CALERA CAPITAL, 580 CALIFORNIA STREET, SUITE 2200 SAN FRANCISCO, CA 94104	X	X
FARRELL JAMES T C/O CALERA CAPITAL, 580 CALIFORNIA STREET, SUITE 2200 SAN FRANCISCO, CA 94104	X	X

Signatures
/s/ James T. Farrell, Co-President		4/24/2009
^** Signature of Reporting Person		Date
Calera Capital Management IV, Inc., General Partner, By: James T. Farrell, Co-President		4/24/2009
^** Signature of Reporting Person		Date
Calera Capital Investors IV, LP, General Partner, By: Calera Capital Management IV, Inc., General Partner, By: James T. Farrell, Co-President		4/24/2009
^** Signature of Reporting Person		Date
Calera Capital Investors IV, LP, General Partner, By: Calera Capital Management IV, Inc., General Partner, By: James T. Farrell, Co-President		4/24/2009
^** Signature of Reporting Person		Date
James T. Farrell		4/24/2009
^** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.