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

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): ~~June~~August 305, 2005

AmeriVest Properties Inc. (Exact name of small business issuer as specified in its charter)

AmeriVest Properties Inc.
(Exact name of small business issuer as specified in its charter)

Maryland	1-14462	84-1240264
(State or other jurisdiction of incorporation or organization)	(Commission File No.)	(I.R.S. Employer Identification No.)

1780 South Bellaire Street Suite 100, Denver, Colorado 80222
(Address of principal executive offices)

(303) 297-1800
(Registrant’s telephone number)

Maryland		1-14462		84-1240264
(State or other jurisdiction of incorporation or organization)		(Commission File No.)		(I.R.S. Employer Identification No.)

1780 South Bellaire Street Suite 100, Denver, Colorado 80222 (Address of principal executive offices)

(303) 297-1800 (Registrant's telephone number)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications ~~Item~~pursuant ~~8.01.~~to ~~Other~~Rule 425 ~~Events~~ under the Securities Act

Ono Soliciting material ~~June 30,~~pursuant ~~2005,~~to ~~Dean Foods Company ("Dean") exercised its one~~Rule 14a-~~time~~12 ~~right~~under ~~to further extend its lease for 120,607 rentable square feet of space in~~ the ~~Chateau~~Exchange ~~Plaza building in Dallas, Texas for an additional four years.~~ Act

~~Under~~o Pre-commencement ~~the~~communications ~~terms~~pursuant ~~of the amendment~~ to ~~the lease dated as of March~~Rule ~~15, 2005 with AmeriVest Properties Inc.~~ 14d-2(~~the "Company"~~b), under ~~this notification extends~~ the ~~expiration~~Exchange ~~of the lease through December 31, 2010.~~ Act

~~The~~o Pre-commencement ~~base~~communications ~~rental~~pursuant ~~rate for the extended term commencing January 1, 2006 is now $17.75 per rentable square foot throughout the term, plus electricity and parking. During the extension, Dean has three sequential options~~ to ~~reduce the square footage under the lease by a minimum of 12,000 and a maximum of 35,000 upon 90~~Rule ~~days advance written notice. The first option can be effective no earlier than June~~13e-4(c) ~~30, 2006, and each subsequent option cannot be exercised until six months have elapsed from the effective date of the prior option exercise. If Dean elects to reduce the square footage~~ under the ~~lease,~~Exchange the base rent will be further reduced by $0.25 per square foot, not to exceed $0.75 per square foot for the maximum reduction if all three options are exercised and Dean will be responsible for unamortized tenant improvements and lease commissions based on the original square footage under the lease. Dean has no right to exercise any termination option contained in their lease during this extension term. Dean will receive an allowance for tenant improvements of $7.00 per rentable square foot and AmeriVest will pay leasing commissions of $588,713 in connection with the extension. Act

Item 2.02. Results of Operations and Financial Condition.

On August 5, 2005, AmeriVest Properties Inc. (“AmeriVest”) announced its consolidated financial results for the quarter ~~SIGNATURES~~ ended June 30, 2005. A copy of AmeriVest’s earnings press release is furnished as Exhibit 99.1 to this report on Form 8-K. A copy of AmeriVest’s Second Quarter 2005 Supplemental Operating and Financial Information package is furnished as Exhibit 99.2 to this report on Form 8-K. The information contained in this report on Form 8-K, including Exhibits 99.1 and 99.2, shall not be deemed “filed” with the Securities and Exchange Commission nor incorporated by reference in any registration statement filed by AmeriVest under the Securities Act of 1933, as amended.

~~Pursuant~~Item to9.01. ~~the~~Financial ~~requirements~~Statements ofand ~~the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.~~ Exhibits

		AMERIVEST PROPERTIES INC.
July 1, 2005		By:		/s/ KATHRYN L. HALE Kathryn L. Hale Chief Financial Officer

	Exhibit 99.1	Press Release, dated August 5, 2005.
	Exhibit 99.2	Second Quarter 2005 Supplemental Operating and Financial Information, dated August 5, 2005.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	AMERIVEST PROPERTIES INC.


Dated: August 5, 2005
	By:	/s/ Kathryn L. Hale
		Kathryn L. Hale
		Chief Financial Officer

EXHIBIT INDEX

Exhibit No.		Description

99.1		Press Release, dated August 5, 2005.
99.2		Second Quarter 2005 Supplemental Operating and Financial Information, dated August 5, 2005.

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