Granite Tower 1099 18th St 1,665 - 93,136 SF of 4-Star Office Space Available in Denver, CO 80202

HIGHLIGHTS

  • Enjoy the bright and inviting ambiance of the two-story lobby remodel.
  • Feel the sense of community in the tenant lounge - perfect for company meetings, lunch-and-learns, or a change of scenery throughout the day.
  • Opportunity for spec suites, full floors, collaborative work space, exceptional views, and building signage.
  • Foster a healthy lifestyle with a brand new gym, group workout classes, and new locker rooms equipped with showers and towel service.
  • Stay refreshed with available outdoor work space, wifi, and availability for private parties.

ALL AVAILABLE SPACES(9)

Display Rent as

  • SPACE
  • SIZE
  • TERM
  • RENT
  • SPACE USE
  • CONDITION
  • AVAILABLE
  • 20th Floor, Ste 2000
  • 21,234 SF
  • Negotiable
  • £39.95 /SF/PA
  • Office
  • Shell Space
  • Now

Contiguous with 19th floor for big block totaling 42,444 SF

  • Rate includes utilities, building services and property expenses
  • Natural Light
  • Exceptional views
  • Open Floor Plan Layout
  • Open-Plan
  • 21st Floor, Ste 2100
  • 17,015 SF
  • Negotiable
  • £39.95 /SF/PA
  • Office
  • Full Build-Out
  • Now

A Landmark, Award-winning tower in the heart of downtown Denver.

  • Rate includes utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Natural Light
  • Fully Built-Out as Standard Office
  • Fits 43 - 137 People
  • Exceptional views
  • 21st Floor, Ste 2120
  • 2,316 SF
  • Negotiable
  • £40.70 /SF/PA
  • Office
  • Full Build-Out
  • Now

Furnished Spec Suite!

  • Rate includes utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Natural Light
  • Fully Built-Out as Standard Office
  • Fits 6 - 19 People
  • Exceptional views
  • 22nd Floor, Ste 2230
  • 3,913 SF
  • Negotiable
  • £40.70 /SF/PA
  • Office
  • Spec Suite
  • Now

Ultra high-end furnished spec suite! This is not your average spec suite. This suite boasts an elevated spec investment with higher quality design and finish selections.

  • Rate includes utilities, building services and property expenses
  • Fits 10 - 32 People
  • Exceptional views
  • Mostly Open Floor Plan Layout
  • Natural Light
  • 23rd Floor, Ste 2300
  • 12,061 SF
  • Negotiable
  • £40.70 /SF/PA
  • Office
  • -
  • Now

A Landmark, Award-winning tower in the heart of downtown Denver.

  • Rate includes utilities, building services and property expenses
  • Natural Light
  • Fits 31 - 97 People
  • 28th Floor, Ste 2820
  • 2,633 SF
  • Negotiable
  • £40.70 /SF/PA
  • Office
  • Full Build-Out
  • Now

A Landmark, Award-winning tower in the heart of downtown Denver.

  • Rate includes utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Natural Light
  • Fully Built-Out as Standard Office
  • Fits 7 - 22 People
  • Exceptional views
  • 28th Floor, Ste 2880
  • 1,665 SF
  • Negotiable
  • £40.70 /SF/PA
  • Office
  • -
  • 01/05/2025

3 Office on glass, a conference room, break area, and storage room!

  • Rate includes utilities, building services and property expenses
  • Fits 5 - 14 People
  • 30th Floor, Ste 3000
  • 12,816 SF
  • Negotiable
  • £40.70 /SF/PA
  • Office
  • Full Build-Out
  • Now

Furnished Spec Suite with western views!

  • Rate includes utilities, building services and property expenses
  • Mostly Open Floor Plan Layout
  • Can be combined with additional space(s) for up to 32,299 SF of adjacent space
  • Exceptional views
  • Fully Built-Out as Standard Office
  • Fits 33 - 103 People
  • Open-Plan
  • 31st Floor, Ste 3100
  • 19,483 SF
  • Negotiable
  • £42.97 /SF/PA
  • Office
  • Full Build-Out
  • Now

White-boxed and ready for Tenant Improvements.

  • Rate includes utilities, building services and property expenses
  • Open Floor Plan Layout
  • Can be combined with additional space(s) for up to 32,299 SF of adjacent space
  • Exceptional views
  • Fully Built-Out as Standard Office
  • Fits 49 - 156 People
  • Open-Plan
Space Size Term Rent Space Use Condition Available
20th Floor, Ste 2000 21,234 SF Negotiable £39.95 /SF/PA Office Shell Space Now
21st Floor, Ste 2100 17,015 SF Negotiable £39.95 /SF/PA Office Full Build-Out Now
21st Floor, Ste 2120 2,316 SF Negotiable £40.70 /SF/PA Office Full Build-Out Now
22nd Floor, Ste 2230 3,913 SF Negotiable £40.70 /SF/PA Office Spec Suite Now
23rd Floor, Ste 2300 12,061 SF Negotiable £40.70 /SF/PA Office - Now
28th Floor, Ste 2820 2,633 SF Negotiable £40.70 /SF/PA Office Full Build-Out Now
28th Floor, Ste 2880 1,665 SF Negotiable £40.70 /SF/PA Office - 01/05/2025
30th Floor, Ste 3000 12,816 SF Negotiable £40.70 /SF/PA Office Full Build-Out Now
31st Floor, Ste 3100 19,483 SF Negotiable £42.97 /SF/PA Office Full Build-Out Now

20th Floor, Ste 2000

Size
21,234 SF
Term
Negotiable
Rent
£39.95 /SF/PA
Space Use
Office
Condition
Shell Space
Available
Now

21st Floor, Ste 2100

Size
17,015 SF
Term
Negotiable
Rent
£39.95 /SF/PA
Space Use
Office
Condition
Full Build-Out
Available
Now

21st Floor, Ste 2120

Size
2,316 SF
Term
Negotiable
Rent
£40.70 /SF/PA
Space Use
Office
Condition
Full Build-Out
Available
Now

22nd Floor, Ste 2230

Size
3,913 SF
Term
Negotiable
Rent
£40.70 /SF/PA
Space Use
Office
Condition
Spec Suite
Available
Now

23rd Floor, Ste 2300

Size
12,061 SF
Term
Negotiable
Rent
£40.70 /SF/PA
Space Use
Office
Condition
-
Available
Now

28th Floor, Ste 2820

Size
2,633 SF
Term
Negotiable
Rent
£40.70 /SF/PA
Space Use
Office
Condition
Full Build-Out
Available
Now

28th Floor, Ste 2880

Size
1,665 SF
Term
Negotiable
Rent
£40.70 /SF/PA
Space Use
Office
Condition
-
Available
01/05/2025

30th Floor, Ste 3000

Size
12,816 SF
Term
Negotiable
Rent
£40.70 /SF/PA
Space Use
Office
Condition
Full Build-Out
Available
Now

31st Floor, Ste 3100

Size
19,483 SF
Term
Negotiable
Rent
£42.97 /SF/PA
Space Use
Office
Condition
Full Build-Out
Available
Now

PROPERTY OVERVIEW

CAPITAL IMPROVEMENTS COMPLETED! The lobby remodel includes two stories of glass at the entrance with a bright and inviting ambiance. A brand new gym fosters a healthy lifestyle with new locker rooms equipped with showers and towel service. Group workout classes will include yoga, spin and boot camp. There is also complimentary bicycle storage and tuning station. The building offers a sense of community. The lounge is an ideal location for company meetings, lunch-and-learns, a change of scenery throughout the day, small group meetings, or just a place to hang out and reconnect. The outdoor workspace allows a change of scenery to stay refreshed. There is a flexible conferencing facility that is available for private parties. WIFI is available throughout.

  • Bus Route
  • Commuter Rail
  • Conferencing Facility
  • Gym
  • Catering Service
  • Property Manager on Site
  • Restaurant
  • Signage
  • Energy Performance Certificate (EPC)
  • Bicycle Storage
  • Outdoor Seating

PROPERTY FACTS

Building Type
Office
Year Built/Renovated
1983/2021
LoopNet Rating
4 Star
Number of Floors
31
Building Size
593,527 SF
Building Class
A
Typical Floor Size
19,146 SF
Unfinished Ceiling Height
12 ft
Parking
Surface Parking
561 Covered Parking Spaces at £158/month
Reserved Parking at £196/month

SELECT TENANTS

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • 27th
  • Bankers' Bank of the West
  • Finance and Insurance
  • 23rd
  • Causey Demgen & Moore P.C.
  • Professional, Scientific, and Technical Services
  • 29th
  • EverWest Real Estate Investors, LLC
  • Real Estate
  • 31st
  • Inflection Energy
  • Construction
  • 27th
  • Integris Partners
  • Finance and Insurance
  • 21st
  • Jackson Kelly
  • Professional, Scientific, and Technical Services
  • 28th
  • Mountainview Financial Solutions, LLC
  • Finance and Insurance
  • Multiple
  • Occidental Petroleum Corporation
  • Construction
  • Multiple
  • Personal Capital
  • Finance and Insurance
  • 26th
  • Robinson Waters & O'Dorisio, PC
  • Professional, Scientific, and Technical Services
Walk Score®
Walker's Paradise (97)
Transit Score®
Excellent Transit (87)
Bike Score®
Biker's Paradise (95)
  • Listing ID: 4087707

  • Date on Market: 10/03/2025

  • Last Updated:

  • Address: 1099 18th St, Denver, CO 80202