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For Lease

Granite Tower

1099 18th Street, Denver, CO 80202

65,076

SF Available
Granite Tower is one of the premier Class "A" office buildings located in the CBD. This building is designated a BOMA 360 Performance Building and has been awarded a CEL "A" list award. Major projects totaling $6M include elevator modernization, fire alarm retrofit, energy management system, sidewalk replacement, curtain wall reseal, lobby renovation and garage repairs. Granite Tower features great access to I-25 via 20th Street. Convenient parking located underneath the building (ratio 1:1,000) Granite Tower is surrounded by incredible amenities: Tru>Fit Athletic Club, restaurants (Elways), on-site coffee (Daz-Bog), day care (Montessori) and the Ritz Carlton Hotel.

Rental Details

  • Number of spaces 3
  • Total square feet available 65,076 SF
  • For Lease Contact for pricing
  • Space Types General Office
  • Lease Type Full Service
  • Date Updated May 22, 2026
Want more info on this listing?

Reach out to the broker for more info on lease terms and amenities

True

For Lease 3 Spaces Available

Suite 1300

  • Space Type General Office
  • Lease Rate Negotiable
  • Total Space Available 21,692 SF
  • Floor 13
  • Divisible Space 21,692 - 21,692 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Sublease Yes
  • Sublease Expiry Mar 31, 2033
  • Build Type Full build out
  • Space Number 1300
broker
Steven Billigmeier

Cushman & Wakefield

broker
Rob Bain

Cushman & Wakefield

broker
Laura Knaus

Cushman & Wakefield

broker
Sidney Dixon

Cushman & Wakefield

Suite 1400

  • Space Type General Office
  • Lease Rate Negotiable
  • Total Space Available 21,692 SF
  • Floor 14
  • Divisible Space 21,692 - 21,692 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Sublease Yes
  • Sublease Expiry Mar 31, 2033
  • Build Type Full build out
  • Space Number 1400
broker
Steven Billigmeier

Cushman & Wakefield

broker
Rob Bain

Cushman & Wakefield

broker
Laura Knaus

Cushman & Wakefield

broker
Sidney Dixon

Cushman & Wakefield

Suite 1500

  • Space Type General Office
  • Lease Rate Negotiable
  • Total Space Available 21,692 SF
  • Floor 15
  • Divisible Space 21,692 - 21,692 SF
  • Available Date Immediate
  • Lease Type Full Service
  • Sublease Yes
  • Sublease Expiry Mar 31, 2033
  • Build Type Full build out
  • Space Number 1500
broker
Steven Billigmeier

Cushman & Wakefield

broker
Rob Bain

Cushman & Wakefield

broker
Laura Knaus

Cushman & Wakefield

broker
Sidney Dixon

Cushman & Wakefield

Contacts

broker
Steven Billigmeier

Cushman & Wakefield

broker
Rob Bain

Cushman & Wakefield

broker
Laura Knaus

Cushman & Wakefield

broker
Sidney Dixon

Cushman & Wakefield

Building Details

  • For Lease Contact for pricing
  • Property Type Office
  • Property Size 607,108 SF
  • # of Floors 31
  • Parking Ratio 0.95 / 1,000 SF
  • Building Class A
  • Year Built 1983
  • Date Updated May 22, 2026

Getting Around

  • Walk Score ®

    Walker's Paradise (97)
  • Transit Score ®

    Excellent Transit (87)
  • Bike Score ®

    Biker's Paradise (94)
Powered by Walk Score ®

Location

  • City Denver, CO
  • Neighborhood Downtown Denver
  • Zip Code 80202
  • Market Denver
  • Map
  • Street

Points of Interest

10th & Osage

1.41 miles

Olde Town Arvada

5.78 miles

Commerce City & 72nd

5.92 miles

Bakken Motorcars

6.97 miles

EVgo

1.04 miles

7-Eleven

1.13 miles

Jenny's Market

1.13 miles

Conoco

1.15 miles

Phillips 66

1.25 miles

Shell

1.35 miles

Speer and Zuni Conoco

1.35 miles

SemaCharge

3.18 miles

Edgewater, CO Tesla Supercharger

3.47 miles

California Street Parking Garage

0.26 miles

SP+

0.32 miles

Parking Garage P2

0.34 miles

Parking Garage P1

0.34 miles

Music Garage

0.38 miles

Park Larimer Square

0.40 miles

Pavilions Valet Parking

0.43 miles

Hertz

0.34 miles

Avis

0.36 miles

Enterprise

0.38 miles

SIXT

0.44 miles

#220 Riverfront Park

0.74 miles

Circle K

0.88 miles

Pete's Car Wash

1.39 miles

Dino Car Wash

1.63 miles

Car Wash Express

1.67 miles

Syrup

0.06 miles

Zocalito Latin Bistro

0.06 miles

Subway

0.09 miles

Urban Putt

0.12 miles

Panzano

0.13 miles

The Egg Shell

0.13 miles

Heidi's Brooklyn Deli

0.14 miles

range Restaurant

0.15 miles

Sakura House

0.16 miles

Ross

0.26 miles

TJ Maxx

0.29 miles

Target

0.31 miles

Whole Foods Market

0.60 miles

King Soopers

0.63 miles

Skye Market & Liquor

0.70 miles

Safeway

0.80 miles

Marczyk Fine Foods

0.89 miles

Natural Grocers

1.01 miles

Walgreens

0.24 miles

Concentra Urgent Care

0.29 miles

ZoomCare

0.39 miles

Denver Fire Department Station 6

0.54 miles

Paladina Health

0.55 miles

CVS Pharmacy

0.57 miles

King Soopers Pharmacy

0.63 miles

Denver Fire Department Station 1

0.68 miles

Denver Sheriff Department

0.72 miles

1099 18th Street Listing Summary

  • Office Space Available at 1099 18th Street

    Office space currently available at 1099 18th Street adds up to a total of 65,076 square feet across 3 listing(s). The largest individual space listed offers 21,692 square feet. Property use types available for lease at this property include: general office. Sublease opportunities at 1099 18th Street include 3 space(s).

  • Learn More about 1099 18th Street

    1099 18th Street is located in the Denver market and pertains to the 80202 zip code. The property incorporates a total of 65,076 square feet of space. 1099 18th Street features a parking ratio of 0.95 / 1,000 SF, offering a total of 577 parking spaces. 1099 18th Street was built in 1983.

    Interested in researching more about this property? Access in-depth research on 1099 18th Street, including ownership details, transaction history, property characteristics, taxes, mortgage data, violations and more by creating a free account and viewing the full property report.

  • Get to Know the Neighborhood

    In the Downtown Denver neighborhood, where 1099 18th Street is located, you can currently find 374 office space(s) for rent. In total, this amounts to 4,649,048 square feet of available office space for lease opportunities.

Contact Granite Tower
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