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Capital Square 400 Locust St 1,814 - 217,437 SF of 4-Star Office Space Available in Des Moines, IA 50309
Highlights
- Opportunities for office space from 1,000 up to 40,000 RSF +/-
- Versatile office / retail space for variety of users and sizes
- Multiple fiber optic service providers to building
- Open atrium design provides significant natural light throughout the building
- Five night janitorial services
- Full service building conference center available to tenants and visitors
All Available Spaces(21)
Display Rental Rate as
- Space
- Size
- Term
- Rental Rate
- Space Use
- Build-Out
- Available
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Natural Light
- Partially Built-Out as Standard Office
- Fits 1 - 100 People
- Beautiful window line and downtown views.
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 11,074 SF of adjacent space
- Beautiful window line and downtown views.
- Partially Built-Out as Standard Office
- Fits 12 - 38 People
- Natural Light
Operating expenses include 5-night janitorial services.
- Lease rate does not include utilities, property expenses or building services
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 11,074 SF of adjacent space
- Beautiful window line and downtown views.
- Partially Built-Out as Standard Office
- Fits 16 - 52 People
- Natural Light
Professional office space for lease.
- Lease rate does not include utilities, property expenses or building services
- Mostly Open Floor Plan Layout
- Natural Light
- Partially Built-Out as Standard Office
- Fits 5 - 16 People
- Immediate possession.
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Natural Light
- Fully Built-Out as Standard Office
- Fits 12 - 38 People
- Beautiful window line and downtown views.
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 9,473 SF of adjacent space
- Beautiful window line and downtown views.
- Partially Built-Out as Standard Office
- Fits 18 - 56 People
- Natural Light
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 9,473 SF of adjacent space
- Beautiful window line and downtown views.
- Fully Built-Out as Standard Office
- Fits 7 - 21 People
- Natural Light
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Natural Light
- Fully Built-Out as Standard Office
- Fits 6 - 18 People
- Beautiful window line and downtown views.
Tenants are responsible for paying sub-metered electric for lights and sockets.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Natural Light
- Fully Built-Out as Standard Office
- Fits 8 - 26 People
- Beautiful window line and downtown views.
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Natural Light
- Fully Built-Out as Standard Office
- Fits 50 - 202 People
- Beautiful window line and downtown views.
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Natural Light
- Partially Built-Out as Standard Office
- Fits 9 - 29 People
- Beautiful window line and downtown views.
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Natural Light
- Fully Built-Out as Standard Office
- Fits 5 - 15 People
- Beautiful window line and downtown views.
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 52,475 SF of adjacent space
- Beautiful window line and downtown views.
- Fully Built-Out as Standard Office
- Fits 9 - 28 People
- Natural Light
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 52,475 SF of adjacent space
- Beautiful window line and downtown views.
- Fully Built-Out as Standard Office
- Fits 13 - 40 People
- Natural Light
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 52,475 SF of adjacent space
- Beautiful window line and downtown views.
- Fully Built-Out as Standard Office
- Fits 29 - 91 People
- Natural Light
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 52,475 SF of adjacent space
- Beautiful window line and downtown views.
- Fully Built-Out as Standard Office
- Fits 25 - 263 People
- Natural Light
Operating expenses include 5-night janitorial services.
- Lease rate does not include utilities, property expenses or building services
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 38,962 SF of adjacent space
- Beautiful window line and downtown views.
- Partially Built-Out as Standard Office
- Fits 25 - 181 People
- Natural Light
Operating expenses include 5-night janitorial services.
- Lease rate does not include utilities, property expenses or building services
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 38,962 SF of adjacent space
- Beautiful window line and downtown views.
- Partially Built-Out as Standard Office
- Fits 25 - 131 People
- Natural Light
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 11,524 SF of adjacent space
- Beautiful window line and downtown views.
- Fully Built-Out as Standard Office
- Fits 22 - 69 People
- Natural Light
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Mostly Open Floor Plan Layout
- Can be combined with additional space(s) for up to 11,524 SF of adjacent space
- Beautiful window line and downtown views.
- Fully Built-Out as Standard Office
- Fits 8 - 24 People
- Natural Light
Professional office space available for lease.
- Lease rate does not include utilities, property expenses or building services
- Office intensive layout
- Natural Light
- Fully Built-Out as Standard Office
- Fits 25 - 395 People
- Available October 2026.
| Space | Size | Term | Rental Rate | Space Use | Build-Out | Available |
| 1st Floor, Ste 130 | 2,198 SF | Negotiable | $16.53 CAD/SF/YR $1.38 CAD/SF/MO $36,333 CAD/YR $3,028 CAD/MO | Office | Partial Build-Out | Now |
| 1st Floor, Ste 145 | 4,684 SF | 3-5 Years | $16.53 CAD/SF/YR $1.38 CAD/SF/MO $77,427 CAD/YR $6,452 CAD/MO | Office | Partial Build-Out | Now |
| 1st Floor, Ste 150 | 6,390 SF | 3-5 Years | $16.53 CAD/SF/YR $1.38 CAD/SF/MO $105,627 CAD/YR $8,802 CAD/MO | Office | Partial Build-Out | Now |
| 1st Floor, Ste 170 | 1,854 SF | Negotiable | $16.53 CAD/SF/YR $1.38 CAD/SF/MO $30,647 CAD/YR $2,554 CAD/MO | Office | Partial Build-Out | Now |
| 1st Floor, Ste 195 | 4,749 SF | Negotiable | $16.53 CAD/SF/YR $1.38 CAD/SF/MO $78,501 CAD/YR $6,542 CAD/MO | Office | Full Build-Out | Now |
| 2nd Floor, Ste 210 | 6,952 SF | 3-5 Years | $13.43 CAD/SF/YR $1.12 CAD/SF/MO $93,370 CAD/YR $7,781 CAD/MO | Office | Partial Build-Out | Now |
| 2nd Floor, Ste 230 | 2,521 SF | Negotiable | $13.43 CAD/SF/YR $1.12 CAD/SF/MO $33,859 CAD/YR $2,822 CAD/MO | Office | Full Build-Out | Now |
| 2nd Floor, Ste 238 | 2,130 SF | 3-5 Years | $13.43 CAD/SF/YR $1.12 CAD/SF/MO $28,607 CAD/YR $2,384 CAD/MO | Office | Full Build-Out | Now |
| 2nd Floor, Ste 245 | 3,183 SF | 3-5 Years | $13.43 CAD/SF/YR $1.12 CAD/SF/MO $42,750 CAD/YR $3,562 CAD/MO | Office | Full Build-Out | Now |
| 3rd Floor, Ste 300 | 20,000-25,213 SF | 3-5 Years | $13.43 CAD/SF/YR $1.12 CAD/SF/MO $338,626 CAD/YR $28,219 CAD/MO | Office | Full Build-Out | Now |
| 3rd Floor, Ste 335 | 3,509 SF | 3-5 Years | $13.43 CAD/SF/YR $1.12 CAD/SF/MO $47,128 CAD/YR $3,927 CAD/MO | Office | Partial Build-Out | Now |
| 3rd Floor, Ste 360 | 1,814 SF | Negotiable | $13.43 CAD/SF/YR $1.12 CAD/SF/MO $24,363 CAD/YR $2,030 CAD/MO | Office | Full Build-Out | Now |
| 4th Floor, Ste 420 | 3,489 SF | Negotiable | $13.43 CAD/SF/YR $1.12 CAD/SF/MO $46,859 CAD/YR $3,905 CAD/MO | Office | Full Build-Out | 30 Days |
| 4th Floor, Ste 430 | 4,879 SF | 3-5 Years | $13.43 CAD/SF/YR $1.12 CAD/SF/MO $65,528 CAD/YR $5,461 CAD/MO | Office | Full Build-Out | Now |
| 4th Floor, Ste 440 | 11,329 SF | Negotiable | $14.81 CAD/SF/YR $1.23 CAD/SF/MO $167,761 CAD/YR $13,980 CAD/MO | Office | Full Build-Out | Now |
| 4th Floor, Ste 480 | 10,000-32,778 SF | 3-5 Years | $14.81 CAD/SF/YR $1.23 CAD/SF/MO $485,381 CAD/YR $40,448 CAD/MO | Office | Full Build-Out | 30 Days |
| 5th Floor, Ste 520 | 10,000-22,607 SF | 3-5 Years | $14.81 CAD/SF/YR $1.23 CAD/SF/MO $334,767 CAD/YR $27,897 CAD/MO | Office | Partial Build-Out | Now |
| 5th Floor, Ste 530 | 10,000-16,355 SF | 3 Years | $14.81 CAD/SF/YR $1.23 CAD/SF/MO $242,187 CAD/YR $20,182 CAD/MO | Office | Partial Build-Out | Now |
| 6th Floor, Ste 600 | 8,550 SF | Negotiable | $14.81 CAD/SF/YR $1.23 CAD/SF/MO $126,609 CAD/YR $10,551 CAD/MO | Office | Full Build-Out | 30 Days |
| 6th Floor, Ste 620 | 2,974 SF | Negotiable | $14.81 CAD/SF/YR $1.23 CAD/SF/MO $44,039 CAD/YR $3,670 CAD/MO | Office | Full Build-Out | 30 Days |
| 6th Floor, Ste 640 | 10,000-49,279 SF | Negotiable | $14.81 CAD/SF/YR $1.23 CAD/SF/MO $729,730 CAD/YR $60,811 CAD/MO | Office | Full Build-Out | 2026-10-01 |
1st Floor, Ste 130
| Size |
| 2,198 SF |
| Term |
| Negotiable |
| Rental Rate |
| $16.53 CAD/SF/YR $1.38 CAD/SF/MO $36,333 CAD/YR $3,028 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Partial Build-Out |
| Available |
| Now |
1st Floor, Ste 145
| Size |
| 4,684 SF |
| Term |
| 3-5 Years |
| Rental Rate |
| $16.53 CAD/SF/YR $1.38 CAD/SF/MO $77,427 CAD/YR $6,452 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Partial Build-Out |
| Available |
| Now |
1st Floor, Ste 150
| Size |
| 6,390 SF |
| Term |
| 3-5 Years |
| Rental Rate |
| $16.53 CAD/SF/YR $1.38 CAD/SF/MO $105,627 CAD/YR $8,802 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Partial Build-Out |
| Available |
| Now |
1st Floor, Ste 170
| Size |
| 1,854 SF |
| Term |
| Negotiable |
| Rental Rate |
| $16.53 CAD/SF/YR $1.38 CAD/SF/MO $30,647 CAD/YR $2,554 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Partial Build-Out |
| Available |
| Now |
1st Floor, Ste 195
| Size |
| 4,749 SF |
| Term |
| Negotiable |
| Rental Rate |
| $16.53 CAD/SF/YR $1.38 CAD/SF/MO $78,501 CAD/YR $6,542 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
2nd Floor, Ste 210
| Size |
| 6,952 SF |
| Term |
| 3-5 Years |
| Rental Rate |
| $13.43 CAD/SF/YR $1.12 CAD/SF/MO $93,370 CAD/YR $7,781 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Partial Build-Out |
| Available |
| Now |
2nd Floor, Ste 230
| Size |
| 2,521 SF |
| Term |
| Negotiable |
| Rental Rate |
| $13.43 CAD/SF/YR $1.12 CAD/SF/MO $33,859 CAD/YR $2,822 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
2nd Floor, Ste 238
| Size |
| 2,130 SF |
| Term |
| 3-5 Years |
| Rental Rate |
| $13.43 CAD/SF/YR $1.12 CAD/SF/MO $28,607 CAD/YR $2,384 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
2nd Floor, Ste 245
| Size |
| 3,183 SF |
| Term |
| 3-5 Years |
| Rental Rate |
| $13.43 CAD/SF/YR $1.12 CAD/SF/MO $42,750 CAD/YR $3,562 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
3rd Floor, Ste 300
| Size |
| 20,000-25,213 SF |
| Term |
| 3-5 Years |
| Rental Rate |
| $13.43 CAD/SF/YR $1.12 CAD/SF/MO $338,626 CAD/YR $28,219 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
3rd Floor, Ste 335
| Size |
| 3,509 SF |
| Term |
| 3-5 Years |
| Rental Rate |
| $13.43 CAD/SF/YR $1.12 CAD/SF/MO $47,128 CAD/YR $3,927 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Partial Build-Out |
| Available |
| Now |
3rd Floor, Ste 360
| Size |
| 1,814 SF |
| Term |
| Negotiable |
| Rental Rate |
| $13.43 CAD/SF/YR $1.12 CAD/SF/MO $24,363 CAD/YR $2,030 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
4th Floor, Ste 420
| Size |
| 3,489 SF |
| Term |
| Negotiable |
| Rental Rate |
| $13.43 CAD/SF/YR $1.12 CAD/SF/MO $46,859 CAD/YR $3,905 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| 30 Days |
4th Floor, Ste 430
| Size |
| 4,879 SF |
| Term |
| 3-5 Years |
| Rental Rate |
| $13.43 CAD/SF/YR $1.12 CAD/SF/MO $65,528 CAD/YR $5,461 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
4th Floor, Ste 440
| Size |
| 11,329 SF |
| Term |
| Negotiable |
| Rental Rate |
| $14.81 CAD/SF/YR $1.23 CAD/SF/MO $167,761 CAD/YR $13,980 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| Now |
4th Floor, Ste 480
| Size |
| 10,000-32,778 SF |
| Term |
| 3-5 Years |
| Rental Rate |
| $14.81 CAD/SF/YR $1.23 CAD/SF/MO $485,381 CAD/YR $40,448 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| 30 Days |
5th Floor, Ste 520
| Size |
| 10,000-22,607 SF |
| Term |
| 3-5 Years |
| Rental Rate |
| $14.81 CAD/SF/YR $1.23 CAD/SF/MO $334,767 CAD/YR $27,897 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Partial Build-Out |
| Available |
| Now |
5th Floor, Ste 530
| Size |
| 10,000-16,355 SF |
| Term |
| 3 Years |
| Rental Rate |
| $14.81 CAD/SF/YR $1.23 CAD/SF/MO $242,187 CAD/YR $20,182 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Partial Build-Out |
| Available |
| Now |
6th Floor, Ste 600
| Size |
| 8,550 SF |
| Term |
| Negotiable |
| Rental Rate |
| $14.81 CAD/SF/YR $1.23 CAD/SF/MO $126,609 CAD/YR $10,551 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| 30 Days |
6th Floor, Ste 620
| Size |
| 2,974 SF |
| Term |
| Negotiable |
| Rental Rate |
| $14.81 CAD/SF/YR $1.23 CAD/SF/MO $44,039 CAD/YR $3,670 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| 30 Days |
6th Floor, Ste 640
| Size |
| 10,000-49,279 SF |
| Term |
| Negotiable |
| Rental Rate |
| $14.81 CAD/SF/YR $1.23 CAD/SF/MO $729,730 CAD/YR $60,811 CAD/MO |
| Space Use |
| Office |
| Build-Out |
| Full Build-Out |
| Available |
| 2026-10-01 |
1st Floor, Ste 130
| Size | 2,198 SF |
| Term | Negotiable |
| Rental Rate | $16.53 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Partial Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Partially Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 1 - 100 People
- Natural Light
- Beautiful window line and downtown views.
1st Floor, Ste 145
| Size | 4,684 SF |
| Term | 3-5 Years |
| Rental Rate | $16.53 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Partial Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Partially Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 12 - 38 People
- Can be combined with additional space(s) for up to 11,074 SF of adjacent space
- Natural Light
- Beautiful window line and downtown views.
1st Floor, Ste 150
| Size | 6,390 SF |
| Term | 3-5 Years |
| Rental Rate | $16.53 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Partial Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include utilities, property expenses or building services
- Partially Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 16 - 52 People
- Can be combined with additional space(s) for up to 11,074 SF of adjacent space
- Natural Light
- Beautiful window line and downtown views.
1st Floor, Ste 170
| Size | 1,854 SF |
| Term | Negotiable |
| Rental Rate | $16.53 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Partial Build-Out |
| Available | Now |
Professional office space for lease.
- Lease rate does not include utilities, property expenses or building services
- Partially Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 5 - 16 People
- Natural Light
- Immediate possession.
1st Floor, Ste 195
| Size | 4,749 SF |
| Term | Negotiable |
| Rental Rate | $16.53 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 12 - 38 People
- Natural Light
- Beautiful window line and downtown views.
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View
Street
Map
2nd Floor, Ste 210
| Size | 6,952 SF |
| Term | 3-5 Years |
| Rental Rate | $13.43 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Partial Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Partially Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 18 - 56 People
- Can be combined with additional space(s) for up to 9,473 SF of adjacent space
- Natural Light
- Beautiful window line and downtown views.
2nd Floor, Ste 230
| Size | 2,521 SF |
| Term | Negotiable |
| Rental Rate | $13.43 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 7 - 21 People
- Can be combined with additional space(s) for up to 9,473 SF of adjacent space
- Natural Light
- Beautiful window line and downtown views.
2nd Floor, Ste 238
| Size | 2,130 SF |
| Term | 3-5 Years |
| Rental Rate | $13.43 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 6 - 18 People
- Natural Light
- Beautiful window line and downtown views.
2nd Floor, Ste 245
| Size | 3,183 SF |
| Term | 3-5 Years |
| Rental Rate | $13.43 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
Tenants are responsible for paying sub-metered electric for lights and sockets.
- Lease rate does not include certain property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 8 - 26 People
- Natural Light
- Beautiful window line and downtown views.
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View
Street
Map
3rd Floor, Ste 300
| Size | 20,000-25,213 SF |
| Term | 3-5 Years |
| Rental Rate | $13.43 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 50 - 202 People
- Natural Light
- Beautiful window line and downtown views.
1 of 1
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View
Street
Map
3rd Floor, Ste 335
| Size | 3,509 SF |
| Term | 3-5 Years |
| Rental Rate | $13.43 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Partial Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Partially Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 9 - 29 People
- Natural Light
- Beautiful window line and downtown views.
3rd Floor, Ste 360
| Size | 1,814 SF |
| Term | Negotiable |
| Rental Rate | $13.43 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 5 - 15 People
- Natural Light
- Beautiful window line and downtown views.
4th Floor, Ste 420
| Size | 3,489 SF |
| Term | Negotiable |
| Rental Rate | $13.43 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | 30 Days |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 9 - 28 People
- Can be combined with additional space(s) for up to 52,475 SF of adjacent space
- Natural Light
- Beautiful window line and downtown views.
4th Floor, Ste 430
| Size | 4,879 SF |
| Term | 3-5 Years |
| Rental Rate | $13.43 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 13 - 40 People
- Can be combined with additional space(s) for up to 52,475 SF of adjacent space
- Natural Light
- Beautiful window line and downtown views.
4th Floor, Ste 440
| Size | 11,329 SF |
| Term | Negotiable |
| Rental Rate | $14.81 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 29 - 91 People
- Can be combined with additional space(s) for up to 52,475 SF of adjacent space
- Natural Light
- Beautiful window line and downtown views.
4th Floor, Ste 480
| Size | 10,000-32,778 SF |
| Term | 3-5 Years |
| Rental Rate | $14.81 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | 30 Days |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 25 - 263 People
- Can be combined with additional space(s) for up to 52,475 SF of adjacent space
- Natural Light
- Beautiful window line and downtown views.
5th Floor, Ste 520
| Size | 10,000-22,607 SF |
| Term | 3-5 Years |
| Rental Rate | $14.81 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Partial Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include utilities, property expenses or building services
- Partially Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 25 - 181 People
- Can be combined with additional space(s) for up to 38,962 SF of adjacent space
- Natural Light
- Beautiful window line and downtown views.
5th Floor, Ste 530
| Size | 10,000-16,355 SF |
| Term | 3 Years |
| Rental Rate | $14.81 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Partial Build-Out |
| Available | Now |
Operating expenses include 5-night janitorial services.
- Lease rate does not include utilities, property expenses or building services
- Partially Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 25 - 131 People
- Can be combined with additional space(s) for up to 38,962 SF of adjacent space
- Natural Light
- Beautiful window line and downtown views.
1 of 3
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View
Street
Map
6th Floor, Ste 600
| Size | 8,550 SF |
| Term | Negotiable |
| Rental Rate | $14.81 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | 30 Days |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 22 - 69 People
- Can be combined with additional space(s) for up to 11,524 SF of adjacent space
- Natural Light
- Beautiful window line and downtown views.
6th Floor, Ste 620
| Size | 2,974 SF |
| Term | Negotiable |
| Rental Rate | $14.81 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | 30 Days |
Operating expenses include 5-night janitorial services.
- Lease rate does not include certain property expenses
- Fully Built-Out as Standard Office
- Mostly Open Floor Plan Layout
- Fits 8 - 24 People
- Can be combined with additional space(s) for up to 11,524 SF of adjacent space
- Natural Light
- Beautiful window line and downtown views.
6th Floor, Ste 640
| Size | 10,000-49,279 SF |
| Term | Negotiable |
| Rental Rate | $14.81 CAD/SF/YR |
| Space Use | Office |
| Build-Out | Full Build-Out |
| Available | 2026-10-01 |
Professional office space available for lease.
- Lease rate does not include utilities, property expenses or building services
- Fully Built-Out as Standard Office
- Office intensive layout
- Fits 25 - 395 People
- Natural Light
- Available October 2026.
Property Overview
Capital Square is an eight-story Class A office and retail building in the heart of downtown Des Moines. It' s beautiful open atrium design provides an abundance of natural light, versatile and substantial floor plates, and fantastic downtown views. Capital Square' s professional Class A image offers a unique opportunity to a variety of office and retail users in the downtown market. The building offers multiple access points to the Des Moines Skywalk System and community amenities, and there are street and skywalk level retail opportunities off Walnut and Locust Streets. Adjacently located to and part of Cowles Commons, the building has grade level access to the beautiful newly renovated plaza and all it' s community events.
- Atrium
- Banking
- Conferencing Facility
- Restaurant
- Security System
Property Facts
Building Type
Office
Year Built/Renovated
1985/2006
LoopNet Rating
4 Star
Building Height
8 Stories
Building Size
454,619 SF
Building Class
A
Typical Floor Size
56,827 SF
Unfinished Ceiling Height
12’
Parking
Surface Tandem Parking
50 Covered Parking Spaces
Reserved Parking
1 1
Very walkable
80/100
Moderately drivable
70/100
Good public transit
70/100
Very bikeable
80/100
1 of 11
Videos
Matterport 3D Exterior
Matterport 3D Tour
Photos
Street View
Street
Map
1 of 1
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Capital Square | 400 Locust St
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