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  4. Cottonwood Lake

2425-2555 55th Street

For Lease 54,140 SF

2425 55th Street, Boulder, CO 80301

Flatiron Park West is a desirable campus environment with plenty of outdoor seating areas, mature landscaping, directional signage and great access to Boulder pedestrian and bicycle paths. This locational advantage is crucial in a city that prides itself on the active and healthy lifestyle it provides.

Rental Details

  • Number of spaces 4
  • Total square feet available 54,140 SF
  • For Lease $25.00/SF/YR
  • Space Type Flex Space, Office-R&D, Office
  • Lease Type NNN
  • Latest Update Mar 12, 2026
Want more info on this listing?

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

True

4 Spaces Available

Space Name Space Type Lease Rate Total Space Floor Lease Type Expand
Flex Flex Space $25.00/SF/YR 21,517 SF 1 NNN

Flex

Space Type

Flex Space

Lease Rate

$25.00/SF/YR

Additional Rent

$8.89/SF/YR

Total Space Available

21,517 SF

Attachments

View Attachment

Floor

1

Divisible Space

5,000 - 21,517 SF

Available Date

Immediate

Lease Type

NNN

Sublease

No

Build Type

Partial build out

Space Number

2555 | D-100 & D- 104

2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street

- Flex space in Flatiron Park West

- Versatile layout includes a generous fulfillment room, manufacturing area, lab space, open office areas, conference rooms, private offices, break rooms, and showers

- Features 2 covered loading docks and robust 480V heavy power

- 14’ ceiling

- Electric car charging stations 

- Located in a desirable campus environment on the banks of Boulder Creek with outdoor seating, mature landscaping, and clear directional signage

- Provides excellent access to Boulder’s pedestrian and bicycle paths, promoting an active and healthy lifestyle

- Lab in suite 104 contains a fume hood, 2 sinks and an eyewash

Clear Height

14'

Dock High Doors

2

Lab Flex Space $25.00/SF/YR 10,155 SF 1 NNN

Lab

Space Type

Flex Space

Lease Rate

$25.00/SF/YR

Additional Rent

$8.89/SF/YR

Total Space Available

10,155 SF

Attachments

View Attachment

Floor

1

Divisible Space

10,155 - 10,155 SF

Available Date

Immediate

Lease Type

NNN

Sublease

No

Build Type

Partial build out

Space Number

2477 | B-101

2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street

Excellent opportunity with a large majority of the 1st-floor dedicated to lab space and the 2nd-floor is prime office space. 

Generator: 162KVA rooftop generator

Furnished: Various cubicles and furniture

Office Office-R&D $25.00/SF/YR 12,702 SF 2 NNN

Office

Space Type

Office-R&D

Lease Rate

$25.00/SF/YR

Additional Rent

$8.89/SF/YR

Total Space Available

12,702 SF

Attachments

View Attachment

Floor

2

Divisible Space

12,702 - 12,702 SF

Available Date

Immediate

Lease Type

NNN

Sublease

No

Build Type

Partial build out

Space Number

2477 | B-201

2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
Office Office $25.00/SF/YR 9,766 SF 2 NNN

Office

Space Type

Office

Lease Rate

$25.00/SF/YR

Additional Rent

$8.89/SF/YR

Total Space Available

9,766 SF

Attachments

View Attachment

Floor

2

Divisible Space

9,766 - 9,766 SF

Available Date

Immediate

Lease Type

NNN

Sublease

No

Build Type

Partial build out

Space Number

2511 | C-200

2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street

Exciting opportunity for the entire second floor office space at Flatiron Park West. This expansive office space boasts multiple private offices, open office areas, and conference rooms, providing ample room for collaboration and productivity. Additionally, west-facing mountain views of the Flatirons, offers the perfect setting for relaxation and rejuvenation. With its prime location and versatile layout, this space is poised to meet the needs of dynamic businesses seeking a premium workspace in Boulder.

Furnished: 35 cubicles and various furniture 

Flex

Space Type
Flex Space
Lease Rate
$25.00/SF/YR
Total Space
21,517 SF
Floor
1
Lease Type
NNN
Space Type

Flex Space

Lease Rate

$25.00/SF/YR

Additional Rent

$8.89/SF/YR

Total Space Available

21,517 SF

Attachments

View Attachment

Floor

1

Divisible Space

5,000 - 21,517 SF

Available Date

Immediate

Lease Type

NNN

Sublease

No

Build Type

Partial build out

Space Number

2555 | D-100 & D- 104

2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street

- Flex space in Flatiron Park West

- Versatile layout includes a generous fulfillment room, manufacturing area, lab space, open office areas, conference rooms, private offices, break rooms, and showers

- Features 2 covered loading docks and robust 480V heavy power

- 14’ ceiling

- Electric car charging stations 

- Located in a desirable campus environment on the banks of Boulder Creek with outdoor seating, mature landscaping, and clear directional signage

- Provides excellent access to Boulder’s pedestrian and bicycle paths, promoting an active and healthy lifestyle

- Lab in suite 104 contains a fume hood, 2 sinks and an eyewash

Clear Height

14'

Dock High Doors

2

Lab

Space Type
Flex Space
Lease Rate
$25.00/SF/YR
Total Space
10,155 SF
Floor
1
Lease Type
NNN
Space Type

Flex Space

Lease Rate

$25.00/SF/YR

Additional Rent

$8.89/SF/YR

Total Space Available

10,155 SF

Attachments

View Attachment

Floor

1

Divisible Space

10,155 - 10,155 SF

Available Date

Immediate

Lease Type

NNN

Sublease

No

Build Type

Partial build out

Space Number

2477 | B-101

2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street

Excellent opportunity with a large majority of the 1st-floor dedicated to lab space and the 2nd-floor is prime office space. 

Generator: 162KVA rooftop generator

Furnished: Various cubicles and furniture

Office

Space Type
Office-R&D
Lease Rate
$25.00/SF/YR
Total Space
12,702 SF
Floor
2
Lease Type
NNN
Space Type

Office-R&D

Lease Rate

$25.00/SF/YR

Additional Rent

$8.89/SF/YR

Total Space Available

12,702 SF

Attachments

View Attachment

Floor

2

Divisible Space

12,702 - 12,702 SF

Available Date

Immediate

Lease Type

NNN

Sublease

No

Build Type

Partial build out

Space Number

2477 | B-201

2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street

Office

Space Type
Office
Lease Rate
$25.00/SF/YR
Total Space
9,766 SF
Floor
2
Lease Type
NNN
Space Type

Office

Lease Rate

$25.00/SF/YR

Additional Rent

$8.89/SF/YR

Total Space Available

9,766 SF

Attachments

View Attachment

Floor

2

Divisible Space

9,766 - 9,766 SF

Available Date

Immediate

Lease Type

NNN

Sublease

No

Build Type

Partial build out

Space Number

2511 | C-200

2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street
2425-2555 55th Street

Exciting opportunity for the entire second floor office space at Flatiron Park West. This expansive office space boasts multiple private offices, open office areas, and conference rooms, providing ample room for collaboration and productivity. Additionally, west-facing mountain views of the Flatirons, offers the perfect setting for relaxation and rejuvenation. With its prime location and versatile layout, this space is poised to meet the needs of dynamic businesses seeking a premium workspace in Boulder.

Furnished: 35 cubicles and various furniture 

Contacts

broker
Hunter Barto

Dean Callan & Company

Senior Associate

broker
Dryden Dunsmore

Dean Callan & Company

Broker Associate

Building Details

  • For Lease $25.00/SF/YR
  • Property Type Flex Space
  • Property Size 165,855 SF
  • Lot Size 9.4 Acre
  • Additional Rent Price on request
  • # of Floors 2
  • Property Tenancy Multi-Tenant
  • Building Class B
  • Year Built 1988
  • Date Updated Mar 12, 2026

Location

  • City Boulder, CO
  • Neighborhood Cottonwood Lake
  • Zip Code 80301
  • Market Denver
  • Map
  • Street
  • Walk score 38/100 Car-Dependent
  • Transit score 31/100 Some Transit
  • Bike score 85/100 Very Bikeable
Powered by Walk Score ®

Points of Interest

Green Ride Boulder

1.78 miles

ChargePoint

0.12 miles

Conoco

0.64 miles

Boulder JCC

1.09 miles

Circle K

1.50 miles

King Soopers Fuel Center

1.54 miles

Phillips 66

1.72 miles

Kwik Serv

1.75 miles

Valmont Bike Park

0.69 miles

NCAR Visitor Parking

1.21 miles

Cottonwood Trailhead

1.27 miles

Boulder Junction at Depot Square Park-n-Ride

1.29 miles

Boulder Junction at Depot Square Station

1.30 miles

Meadows

1.38 miles

P5

1.51 miles

P2

1.61 miles

Lot 535

1.62 miles

P3

1.65 miles

The Works Automotive Detail

0.29 miles

Avis

0.61 miles

Budget

0.61 miles

Enterprise

0.64 miles

Hertz

0.65 miles

Arapahoe Car Wash

0.70 miles

Gloss Auto Wash & Cafe

1.74 miles

Avis / Budget

1.78 miles

Coyote Car Wash

1.80 miles

Circle K

1.84 miles

The Deli at Flatiron Park

0.49 miles

Blackbelly Market

0.59 miles

Wendy's

0.65 miles

Snarf's

0.66 miles

Sherpa Kitchen

0.67 miles

Pica's

0.67 miles

Dry Storage

1.27 miles

SEEC Cafe

1.27 miles

Basta

1.30 miles

Roadhouse Boulder Depot

1.31 miles

King Soopers

1.45 miles

Whole Foods Market

1.57 miles

Target

1.57 miles

Trader Joe's

1.68 miles

India's Grocery

1.77 miles

Marshalls

1.78 miles

Natural Grocers

1.79 miles

Safeway

1.80 miles

India Bazaar

1.81 miles

Sprouts Farmers Market

1.91 miles

Boulder County Sheriff's Office

0.15 miles

Foothills Hospital

0.76 miles

Boulder Fire / Rescue Department Station 7

0.86 miles

Boulder Police Department

1.33 miles

King Soopers

1.46 miles

Walgreens

1.46 miles

Concentra Urgent Care

1.51 miles

CVS Pharmacy

1.59 miles

Boulder Fire / Rescue Department Station 3

1.61 miles

Boulder Valley Women's Health Center

1.65 miles

Listing Summary

  • What is the asking price at 2425-2555 55th Street?

    The asking price for spaces at 2425-2555 55th Street rests at $25.00/SF/YR.

  • How many office spaces for rent are listed at 2425-2555 55th Street?

    3 office spaces are listed at 2425-2555 55th Street.

  • What is the total size of 2425-2555 55th Street?

    2425-2555 55th Street has a total of 165,855 square feet.

  • What is the year built for 2425-2555 55th Street?

    The year built for 2425-2555 55th Street is 1988.

Contact 2425-2555 55th Street
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