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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

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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
  • CONDITION
  • AVAILABLE
  • 1st Floor, Ste 130
  • 2,198 SF
  • Negotiable
  • $12.00 /SF/YR $1.00 /SF/MO $26,376 /YR $2,198 /MO
  • Office
  • Partial Build-Out
  • Now

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.
  • 1st Floor, Ste 145
  • 4,684 SF
  • 3-5 Years
  • $12.00 /SF/YR $1.00 /SF/MO $56,208 /YR $4,684 /MO
  • Office
  • Partial Build-Out
  • Now

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
  • 1st Floor, Ste 150
  • 6,390 SF
  • 3-5 Years
  • $12.00 /SF/YR $1.00 /SF/MO $76,680 /YR $6,390 /MO
  • Office
  • Partial Build-Out
  • Now

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
  • 1st Floor, Ste 170
  • 1,854 SF
  • Negotiable
  • $12.00 /SF/YR $1.00 /SF/MO $22,248 /YR $1,854 /MO
  • Office
  • Partial Build-Out
  • Now

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.
  • 1st Floor, Ste 195
  • 4,749 SF
  • Negotiable
  • $12.00 /SF/YR $1.00 /SF/MO $56,988 /YR $4,749 /MO
  • Office
  • Full Build-Out
  • Now

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.
  • 2nd Floor, Ste 210
  • 6,952 SF
  • 3-5 Years
  • $9.75 /SF/YR $0.81 /SF/MO $67,782 /YR $5,649 /MO
  • Office
  • Partial Build-Out
  • Now

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
  • 2nd Floor, Ste 230
  • 2,521 SF
  • Negotiable
  • $9.75 /SF/YR $0.81 /SF/MO $24,580 /YR $2,048 /MO
  • Office
  • Full Build-Out
  • Now

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
  • 2nd Floor, Ste 238
  • 2,130 SF
  • 3-5 Years
  • $9.75 /SF/YR $0.81 /SF/MO $20,768 /YR $1,731 /MO
  • Office
  • Full Build-Out
  • Now

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.
  • 2nd Floor, Ste 245
  • 3,183 SF
  • 3-5 Years
  • $9.75 /SF/YR $0.81 /SF/MO $31,034 /YR $2,586 /MO
  • Office
  • Full Build-Out
  • Now

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.
  • 3rd Floor, Ste 300
  • 20,000-25,213 SF
  • 3-5 Years
  • $9.75 /SF/YR $0.81 /SF/MO $245,827 /YR $20,486 /MO
  • Office
  • Full Build-Out
  • Now

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.
  • 3rd Floor, Ste 335
  • 3,509 SF
  • 3-5 Years
  • $9.75 /SF/YR $0.81 /SF/MO $34,213 /YR $2,851 /MO
  • Office
  • Partial Build-Out
  • Now

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.
  • 3rd Floor, Ste 360
  • 1,814 SF
  • Negotiable
  • $9.75 /SF/YR $0.81 /SF/MO $17,687 /YR $1,474 /MO
  • Office
  • Full Build-Out
  • Now

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.
  • 4th Floor, Ste 420
  • 3,489 SF
  • Negotiable
  • $9.75 /SF/YR $0.81 /SF/MO $34,018 /YR $2,835 /MO
  • Office
  • Full Build-Out
  • 30 Days

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
  • 4th Floor, Ste 430
  • 4,879 SF
  • 3-5 Years
  • $9.75 /SF/YR $0.81 /SF/MO $47,570 /YR $3,964 /MO
  • Office
  • Full Build-Out
  • Now

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
  • 4th Floor, Ste 440
  • 11,329 SF
  • Negotiable
  • $10.75 /SF/YR $0.90 /SF/MO $121,787 /YR $10,149 /MO
  • Office
  • Full Build-Out
  • Now

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
  • 4th Floor, Ste 480
  • 10,000-32,778 SF
  • 3-5 Years
  • $10.75 /SF/YR $0.90 /SF/MO $352,364 /YR $29,364 /MO
  • Office
  • Full Build-Out
  • 30 Days

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
  • 5th Floor, Ste 520
  • 10,000-22,607 SF
  • 3-5 Years
  • $10.75 /SF/YR $0.90 /SF/MO $243,025 /YR $20,252 /MO
  • Office
  • Partial Build-Out
  • Now

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
  • 5th Floor, Ste 530
  • 10,000-16,355 SF
  • 3 Years
  • $10.75 /SF/YR $0.90 /SF/MO $175,816 /YR $14,651 /MO
  • Office
  • Partial Build-Out
  • Now

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
  • 6th Floor, Ste 600
  • 8,550 SF
  • Negotiable
  • $10.75 /SF/YR $0.90 /SF/MO $91,913 /YR $7,659 /MO
  • Office
  • Full Build-Out
  • 30 Days

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
  • 6th Floor, Ste 620
  • 2,974 SF
  • Negotiable
  • $10.75 /SF/YR $0.90 /SF/MO $31,971 /YR $2,664 /MO
  • Office
  • Full Build-Out
  • 30 Days

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
  • 6th Floor, Ste 640
  • 10,000-49,279 SF
  • Negotiable
  • $10.75 /SF/YR $0.90 /SF/MO $529,749 /YR $44,146 /MO
  • Office
  • Full Build-Out
  • October 01, 2026

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 Condition Available
1st Floor, Ste 130 2,198 SF Negotiable $12.00 /SF/YR $1.00 /SF/MO $26,376 /YR $2,198 /MO Office Partial Build-Out Now
1st Floor, Ste 145 4,684 SF 3-5 Years $12.00 /SF/YR $1.00 /SF/MO $56,208 /YR $4,684 /MO Office Partial Build-Out Now
1st Floor, Ste 150 6,390 SF 3-5 Years $12.00 /SF/YR $1.00 /SF/MO $76,680 /YR $6,390 /MO Office Partial Build-Out Now
1st Floor, Ste 170 1,854 SF Negotiable $12.00 /SF/YR $1.00 /SF/MO $22,248 /YR $1,854 /MO Office Partial Build-Out Now
1st Floor, Ste 195 4,749 SF Negotiable $12.00 /SF/YR $1.00 /SF/MO $56,988 /YR $4,749 /MO Office Full Build-Out Now
2nd Floor, Ste 210 6,952 SF 3-5 Years $9.75 /SF/YR $0.81 /SF/MO $67,782 /YR $5,649 /MO Office Partial Build-Out Now
2nd Floor, Ste 230 2,521 SF Negotiable $9.75 /SF/YR $0.81 /SF/MO $24,580 /YR $2,048 /MO Office Full Build-Out Now
2nd Floor, Ste 238 2,130 SF 3-5 Years $9.75 /SF/YR $0.81 /SF/MO $20,768 /YR $1,731 /MO Office Full Build-Out Now
2nd Floor, Ste 245 3,183 SF 3-5 Years $9.75 /SF/YR $0.81 /SF/MO $31,034 /YR $2,586 /MO Office Full Build-Out Now
3rd Floor, Ste 300 20,000-25,213 SF 3-5 Years $9.75 /SF/YR $0.81 /SF/MO $245,827 /YR $20,486 /MO Office Full Build-Out Now
3rd Floor, Ste 335 3,509 SF 3-5 Years $9.75 /SF/YR $0.81 /SF/MO $34,213 /YR $2,851 /MO Office Partial Build-Out Now
3rd Floor, Ste 360 1,814 SF Negotiable $9.75 /SF/YR $0.81 /SF/MO $17,687 /YR $1,474 /MO Office Full Build-Out Now
4th Floor, Ste 420 3,489 SF Negotiable $9.75 /SF/YR $0.81 /SF/MO $34,018 /YR $2,835 /MO Office Full Build-Out 30 Days
4th Floor, Ste 430 4,879 SF 3-5 Years $9.75 /SF/YR $0.81 /SF/MO $47,570 /YR $3,964 /MO Office Full Build-Out Now
4th Floor, Ste 440 11,329 SF Negotiable $10.75 /SF/YR $0.90 /SF/MO $121,787 /YR $10,149 /MO Office Full Build-Out Now
4th Floor, Ste 480 10,000-32,778 SF 3-5 Years $10.75 /SF/YR $0.90 /SF/MO $352,364 /YR $29,364 /MO Office Full Build-Out 30 Days
5th Floor, Ste 520 10,000-22,607 SF 3-5 Years $10.75 /SF/YR $0.90 /SF/MO $243,025 /YR $20,252 /MO Office Partial Build-Out Now
5th Floor, Ste 530 10,000-16,355 SF 3 Years $10.75 /SF/YR $0.90 /SF/MO $175,816 /YR $14,651 /MO Office Partial Build-Out Now
6th Floor, Ste 600 8,550 SF Negotiable $10.75 /SF/YR $0.90 /SF/MO $91,913 /YR $7,659 /MO Office Full Build-Out 30 Days
6th Floor, Ste 620 2,974 SF Negotiable $10.75 /SF/YR $0.90 /SF/MO $31,971 /YR $2,664 /MO Office Full Build-Out 30 Days
6th Floor, Ste 640 10,000-49,279 SF Negotiable $10.75 /SF/YR $0.90 /SF/MO $529,749 /YR $44,146 /MO Office Full Build-Out October 01, 2026

1st Floor, Ste 130

Size
2,198 SF
Term
Negotiable
Rental Rate
$12.00 /SF/YR $1.00 /SF/MO $26,376 /YR $2,198 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

1st Floor, Ste 145

Size
4,684 SF
Term
3-5 Years
Rental Rate
$12.00 /SF/YR $1.00 /SF/MO $56,208 /YR $4,684 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

1st Floor, Ste 150

Size
6,390 SF
Term
3-5 Years
Rental Rate
$12.00 /SF/YR $1.00 /SF/MO $76,680 /YR $6,390 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

1st Floor, Ste 170

Size
1,854 SF
Term
Negotiable
Rental Rate
$12.00 /SF/YR $1.00 /SF/MO $22,248 /YR $1,854 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

1st Floor, Ste 195

Size
4,749 SF
Term
Negotiable
Rental Rate
$12.00 /SF/YR $1.00 /SF/MO $56,988 /YR $4,749 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

2nd Floor, Ste 210

Size
6,952 SF
Term
3-5 Years
Rental Rate
$9.75 /SF/YR $0.81 /SF/MO $67,782 /YR $5,649 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

2nd Floor, Ste 230

Size
2,521 SF
Term
Negotiable
Rental Rate
$9.75 /SF/YR $0.81 /SF/MO $24,580 /YR $2,048 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

2nd Floor, Ste 238

Size
2,130 SF
Term
3-5 Years
Rental Rate
$9.75 /SF/YR $0.81 /SF/MO $20,768 /YR $1,731 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

2nd Floor, Ste 245

Size
3,183 SF
Term
3-5 Years
Rental Rate
$9.75 /SF/YR $0.81 /SF/MO $31,034 /YR $2,586 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

3rd Floor, Ste 300

Size
20,000-25,213 SF
Term
3-5 Years
Rental Rate
$9.75 /SF/YR $0.81 /SF/MO $245,827 /YR $20,486 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

3rd Floor, Ste 335

Size
3,509 SF
Term
3-5 Years
Rental Rate
$9.75 /SF/YR $0.81 /SF/MO $34,213 /YR $2,851 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

3rd Floor, Ste 360

Size
1,814 SF
Term
Negotiable
Rental Rate
$9.75 /SF/YR $0.81 /SF/MO $17,687 /YR $1,474 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

4th Floor, Ste 420

Size
3,489 SF
Term
Negotiable
Rental Rate
$9.75 /SF/YR $0.81 /SF/MO $34,018 /YR $2,835 /MO
Space Use
Office
Condition
Full Build-Out
Available
30 Days

4th Floor, Ste 430

Size
4,879 SF
Term
3-5 Years
Rental Rate
$9.75 /SF/YR $0.81 /SF/MO $47,570 /YR $3,964 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

4th Floor, Ste 440

Size
11,329 SF
Term
Negotiable
Rental Rate
$10.75 /SF/YR $0.90 /SF/MO $121,787 /YR $10,149 /MO
Space Use
Office
Condition
Full Build-Out
Available
Now

4th Floor, Ste 480

Size
10,000-32,778 SF
Term
3-5 Years
Rental Rate
$10.75 /SF/YR $0.90 /SF/MO $352,364 /YR $29,364 /MO
Space Use
Office
Condition
Full Build-Out
Available
30 Days

5th Floor, Ste 520

Size
10,000-22,607 SF
Term
3-5 Years
Rental Rate
$10.75 /SF/YR $0.90 /SF/MO $243,025 /YR $20,252 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

5th Floor, Ste 530

Size
10,000-16,355 SF
Term
3 Years
Rental Rate
$10.75 /SF/YR $0.90 /SF/MO $175,816 /YR $14,651 /MO
Space Use
Office
Condition
Partial Build-Out
Available
Now

6th Floor, Ste 600

Size
8,550 SF
Term
Negotiable
Rental Rate
$10.75 /SF/YR $0.90 /SF/MO $91,913 /YR $7,659 /MO
Space Use
Office
Condition
Full Build-Out
Available
30 Days

6th Floor, Ste 620

Size
2,974 SF
Term
Negotiable
Rental Rate
$10.75 /SF/YR $0.90 /SF/MO $31,971 /YR $2,664 /MO
Space Use
Office
Condition
Full Build-Out
Available
30 Days

6th Floor, Ste 640

Size
10,000-49,279 SF
Term
Negotiable
Rental Rate
$10.75 /SF/YR $0.90 /SF/MO $529,749 /YR $44,146 /MO
Space Use
Office
Condition
Full Build-Out
Available
October 01, 2026

1st Floor, Ste 130

Size 2,198 SF
Term Negotiable
Rental Rate $12.00 /SF/YR
Space Use Office
Condition 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 $12.00 /SF/YR
Space Use Office
Condition 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 $12.00 /SF/YR
Space Use Office
Condition 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 $12.00 /SF/YR
Space Use Office
Condition 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 $12.00 /SF/YR
Space Use Office
Condition 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.

2nd Floor, Ste 210

Size 6,952 SF
Term 3-5 Years
Rental Rate $9.75 /SF/YR
Space Use Office
Condition 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 $9.75 /SF/YR
Space Use Office
Condition 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 $9.75 /SF/YR
Space Use Office
Condition 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 $9.75 /SF/YR
Space Use Office
Condition 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.

3rd Floor, Ste 300

Size 20,000-25,213 SF
Term 3-5 Years
Rental Rate $9.75 /SF/YR
Space Use Office
Condition 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.

3rd Floor, Ste 335

Size 3,509 SF
Term 3-5 Years
Rental Rate $9.75 /SF/YR
Space Use Office
Condition 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 $9.75 /SF/YR
Space Use Office
Condition 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 $9.75 /SF/YR
Space Use Office
Condition 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 $9.75 /SF/YR
Space Use Office
Condition 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 $10.75 /SF/YR
Space Use Office
Condition 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 $10.75 /SF/YR
Space Use Office
Condition 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 $10.75 /SF/YR
Space Use Office
Condition 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 $10.75 /SF/YR
Space Use Office
Condition 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.

6th Floor, Ste 600

Size 8,550 SF
Term Negotiable
Rental Rate $10.75 /SF/YR
Space Use Office
Condition 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 $10.75 /SF/YR
Space Use Office
Condition 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 $10.75 /SF/YR
Space Use Office
Condition Full Build-Out
Available October 01, 2026

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

ATTACHMENTS

Cap Square[35]
Walk Score®
Walker's Paradise (94)
What is a Walk Score®, Transit Score® & Bike Score®?
Walk Score® measures the walkability of any address.
Transit Score® measures access to public transit.
Bike Score® measures bikeability of a location.
What is a Walk Score®
, Transit Score® & Bike Score?
Walk Score® measures the walkability
of any address. Transit Score®
measures access to public transit. Bike Score®
measures bikeability of a location.®
  • Listing ID: 4165131

  • Date on Market: 5/27/2025

  • Last Updated:

  • Address: 400 Locust St, Des Moines, IA 50309

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