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  1. Office Space
  2. CO
  3. Boulder
  4. KOA Lake

5665 Flatiron Pkwy

For Lease 31,500 SF

Flatiron Park - 5665 Flatiron Pkwy, Boulder, CO 80301

- Exceptional Office / Flex Space in Flatiron Park

- Outdoor Gathering Spaces & Furnishings Provide a Great Place for Mid-Day Breaks, Lunches or Meetings

- Beautiful Skylights Above the Reception Area Bringing in Lots of Natural Light

- Private Restrooms & Shower Rooms in Every Suite

- Flatiron Business Park – Home to a Wide Variety of Tech, Life-Science, & Quantum Companies, such as Apple, Atom Computing, Corden Pharma, Nite Ize, Colorado Quantum Incubator & More

- Host Business Meetings or Grab a Coffee at East & Co., Ride to Work on the South Boulder Creek Bike Path, & Unwind at the Wild Provisions Beer Project, All Located within Flatiron Park

- Close to Breweries & Restaurants Such as Ozo Coffee, Upslope Brewing, Wild Provisions Beer Project, Baby Goat Coffee, Blackbelly Restaurant, Snarf’s Sandwiches & Pica’s Taqueria

Rental Details

  • Number of spaces 3
  • Total square feet available 31,500 SF
  • For Lease $23.00/SF/YR
  • Space Type Office
  • Lease Type NNN
  • Latest Update Aug 13, 2026
Want more info on this listing?

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

True

3 Spaces Available

Space Name Space Type Lease Rate Total Space Floor Lease Type Expand
Suite 100 Office $23.00/SF/YR 10,500 SF 1 -

Suite 100

Space Type

Office

Lease Rate

$23.00/SF/YR

Additional Rent

Price on request

Total Space Available

10,500 SF

Attachments

View Attachments

Additional Space Type

Flex Space

Floor

1

Max Contiguous

21,000 SF

Available Date

Immediate

Sublease

No

- Exceptional Office / Flex Space in Flatiron Park

- Outdoor Gathering Spaces & Furnishings Provide a Great Place for Mid-Day Breaks, Lunches or Meetings

- Beautiful Skylights Above the Reception Area Bringing in Lots of Natural Light

- Private Restrooms & Shower Room Inside the Suite

- Co-Tenants in the Building Include Garmin International & Magic Leap

- Flatiron Park is Home to Some of Boulder’s Best Creative, Tech & Life Sciences Companies & Will Soon See the Arrival of Apple as they Move into their New 115,000 sq. ft. Office

- Close to Breweries & Restaurants Such as Ozo Coffee, Upslope Brewing, Wild Provisions Beer Project, Baby Goat Coffee, Blackbelly Restaurant, Snarf’s Sandwiches & Pica’s Taqueria

Suite 200 Office $23.00/SF/YR 10,500 SF - -

Suite 200

Space Type

Office

Lease Rate

$23.00/SF/YR

Additional Rent

Price on request

Total Space Available

10,500 SF

Attachments

View Attachments

Additional Space Type

Flex Space

Max Contiguous

21,000 SF

Available Date

Immediate

Sublease

No

- Exceptional Office / Flex Space in Flatiron Park

- Outdoor Gathering Spaces & Furnishings Provide a Great Place for Mid-Day Breaks, Lunches or Meetings

- Beautiful Skylights Above the Reception Area Bringing in Lots of Natural Light

- Private Restrooms & Shower Room Inside the Suite

- Co-Tenants in the Building Include Garmin International & Magic Leap

- Flatiron Park is Home to Some of Boulder’s Best Creative, Tech & Life Sciences Companies & Will Soon See the Arrival of Apple as they Move into their New 115,000 sq. ft. Office

- Close to Breweries & Restaurants Such as Ozo Coffee, Upslope Brewing, Wild Provisions Beer Project, Baby Goat Coffee, Blackbelly Restaurant, Snarf’s Sandwiches & Pica’s Taqueria

Suite 250 Office $23.00/SF/YR 10,500 SF 2 NNN

Suite 250

Space Type

Office

Lease Rate

$23.00/SF/YR

Additional Rent

Price on request

Total Space Available

10,500 SF

Attachments

View Attachments

Floor

2

Divisible Space

3,800 - 10,500 SF

Available Date

Immediate

Lease Type

NNN

Sublease

No

5665 Flatiron Pkwy
5665 Flatiron Pkwy
5665 Flatiron Pkwy
5665 Flatiron Pkwy

- Divisible to 3,800, 4,500, 5,500, or 6,200 sq. ft.

- Outdoor Gathering Spaces & Furnishings Provide a Great Place for Mid-Day Breaks, Lunches or Meetings

- Beautiful Skylights Above the Reception Area Bringing in Lots of Natural Light

- Private Restrooms & Shower Room Inside the Suite

- Co-Tenants in the Building Include Garmin International & Magic Leap

- Flatiron Park is Home to Some of Boulder’s Best Creative, Tech & Life Sciences Companies & Will Soon See the Arrival of Apple as They Move Into Their New 115,000 sq. ft. Office

- Close to Breweries & Restaurants Such as Ozo Coffee, Upslope Brewing, Wild Provisions Beer Project, Baby Goat Coffee, Blackbelly Restaurant, Snarf’s Sandwiches & Pica’s Taqueri

Suite 100

Space Type
Office
Lease Rate
$23.00/SF/YR
Total Space
10,500 SF
Floor
1
Space Type

Office

Lease Rate

$23.00/SF/YR

Additional Rent

Price on request

Total Space Available

10,500 SF

Attachments

View Attachments

Additional Space Type

Flex Space

Floor

1

Max Contiguous

21,000 SF

Available Date

Immediate

Sublease

No

- Exceptional Office / Flex Space in Flatiron Park

- Outdoor Gathering Spaces & Furnishings Provide a Great Place for Mid-Day Breaks, Lunches or Meetings

- Beautiful Skylights Above the Reception Area Bringing in Lots of Natural Light

- Private Restrooms & Shower Room Inside the Suite

- Co-Tenants in the Building Include Garmin International & Magic Leap

- Flatiron Park is Home to Some of Boulder’s Best Creative, Tech & Life Sciences Companies & Will Soon See the Arrival of Apple as they Move into their New 115,000 sq. ft. Office

- Close to Breweries & Restaurants Such as Ozo Coffee, Upslope Brewing, Wild Provisions Beer Project, Baby Goat Coffee, Blackbelly Restaurant, Snarf’s Sandwiches & Pica’s Taqueria

Suite 200

Space Type
Office
Lease Rate
$23.00/SF/YR
Total Space
10,500 SF
Space Type

Office

Lease Rate

$23.00/SF/YR

Additional Rent

Price on request

Total Space Available

10,500 SF

Attachments

View Attachments

Additional Space Type

Flex Space

Max Contiguous

21,000 SF

Available Date

Immediate

Sublease

No

- Exceptional Office / Flex Space in Flatiron Park

- Outdoor Gathering Spaces & Furnishings Provide a Great Place for Mid-Day Breaks, Lunches or Meetings

- Beautiful Skylights Above the Reception Area Bringing in Lots of Natural Light

- Private Restrooms & Shower Room Inside the Suite

- Co-Tenants in the Building Include Garmin International & Magic Leap

- Flatiron Park is Home to Some of Boulder’s Best Creative, Tech & Life Sciences Companies & Will Soon See the Arrival of Apple as they Move into their New 115,000 sq. ft. Office

- Close to Breweries & Restaurants Such as Ozo Coffee, Upslope Brewing, Wild Provisions Beer Project, Baby Goat Coffee, Blackbelly Restaurant, Snarf’s Sandwiches & Pica’s Taqueria

Suite 250

Space Type
Office
Lease Rate
$23.00/SF/YR
Total Space
10,500 SF
Floor
2
Lease Type
NNN
Space Type

Office

Lease Rate

$23.00/SF/YR

Additional Rent

Price on request

Total Space Available

10,500 SF

Attachments

View Attachments

Floor

2

Divisible Space

3,800 - 10,500 SF

Available Date

Immediate

Lease Type

NNN

Sublease

No

5665 Flatiron Pkwy
5665 Flatiron Pkwy
5665 Flatiron Pkwy
5665 Flatiron Pkwy

- Divisible to 3,800, 4,500, 5,500, or 6,200 sq. ft.

- Outdoor Gathering Spaces & Furnishings Provide a Great Place for Mid-Day Breaks, Lunches or Meetings

- Beautiful Skylights Above the Reception Area Bringing in Lots of Natural Light

- Private Restrooms & Shower Room Inside the Suite

- Co-Tenants in the Building Include Garmin International & Magic Leap

- Flatiron Park is Home to Some of Boulder’s Best Creative, Tech & Life Sciences Companies & Will Soon See the Arrival of Apple as They Move Into Their New 115,000 sq. ft. Office

- Close to Breweries & Restaurants Such as Ozo Coffee, Upslope Brewing, Wild Provisions Beer Project, Baby Goat Coffee, Blackbelly Restaurant, Snarf’s Sandwiches & Pica’s Taqueri

Contacts

broker
Lynda Gibbons

Gibbons-White, Inc.

broker
Annie Lund

Gibbons-White, Inc.

broker
Steve Sims

Gibbons-White, Inc.

Building Details

  • For Lease $23.00/SF/YR
  • Property Type Office
  • Property Size 41,655 SF
  • Lot Size 2.92 Acre
  • Additional Rent Price on request
  • # of Floors 2
  • Building Class C
  • Year Built 1988
  • Date Updated Aug 13, 2026

Location

  • City Boulder, CO
  • Neighborhood KOA Lake
  • Zip Code 80301
  • Market Denver
  • Map
  • Street
  • Walk score 37/100 Car-Dependent
  • Transit score 30/100 Some Transit
  • Bike score 83/100 Very Bikeable
Powered by Walk Score ®

Points of Interest

Green Ride Boulder

1.87 miles

ChargePoint

0.12 miles

Conoco

0.67 miles

Boulder JCC

0.91 miles

Circle K

1.75 miles

King Soopers Fuel Center

1.78 miles

Phillips 66

1.97 miles

Kwik Serv

2.00 miles

Valmont Bike Park

0.87 miles

Meadows

1.39 miles

NCAR Visitor Parking

1.39 miles

Cottonwood Trailhead

1.39 miles

Boulder Junction at Depot Square Park-n-Ride

1.55 miles

Boulder Junction at Depot Square Station

1.55 miles

Bobolink Trailhead

1.69 miles

P5

1.77 miles

Lot 535

1.84 miles

P2

1.85 miles

The Works Automotive Detail

0.42 miles

Arapahoe Car Wash

0.61 miles

Enterprise

0.69 miles

Avis

0.86 miles

Budget

0.86 miles

Hertz

0.91 miles

Avis / Budget

1.87 miles

Gloss Auto Wash & Cafe

1.98 miles

Coyote Car Wash

2.04 miles

Circle K

2.08 miles

The Deli at Flatiron Park

0.26 miles

Blackbelly Market

0.67 miles

Wendy's

0.73 miles

Pica's

0.75 miles

Snarf's

0.75 miles

Sherpa Kitchen

0.78 miles

The Garden Gate Cafe

1.33 miles

SEEC Cafe

1.46 miles

Dry Storage

1.50 miles

Basta

1.54 miles

King Soopers

1.70 miles

Whole Foods Market

1.82 miles

Target

1.82 miles

Safeway

1.88 miles

Trader Joe's

1.94 miles

India's Grocery

2.02 miles

Marshalls

2.03 miles

Natural Grocers

2.05 miles

India Bazaar

2.05 miles

Sprouts Farmers Market

2.16 miles

Boulder County Sheriff's Office

0.12 miles

Boulder Fire / Rescue Department Station 7

0.88 miles

Foothills Hospital

0.97 miles

Boulder Police Department

1.58 miles

King Soopers

1.70 miles

Walgreens

1.71 miles

Concentra Urgent Care

1.76 miles

CVS Pharmacy

1.85 miles

Boulder Fire / Rescue Department Station 3

1.85 miles

Boulder Valley Women's Health Center

1.90 miles

Listing Summary

  • Office Space Available at Flatiron Park - 5665 Flatiron Pkwy

    Office space currently available at Flatiron Park - 5665 Flatiron Pkwy adds up to a total of 31,500 square feet across 3 listing(s). The largest individual space listed offers 10,500 square feet. Property use types available for lease at this property include: office.

  • Learn More about Flatiron Park - 5665 Flatiron Pkwy

    Flatiron Park - 5665 Flatiron Pkwy is located in the Denver market and pertains to the 80301 zip code. The property incorporates a total of 31,500 square feet of space. Flatiron Park - 5665 Flatiron Pkwy was built in 1988.

    Interested in researching more about this property? Access in-depth research on Flatiron Park - 5665 Flatiron Pkwy, including ownership details, transaction history, property characteristics, taxes, mortgage data, violations and more by creating a free account and viewing the full property report.

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