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One Harbour Square 3027 Marina Bay Dr 57,939 SF 67% Leased Office Building League City, TX 77573 For Sale 7.82% Cap Rate

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Investment Highlights

  • Value-Add Investment Opportunity with Tremendous Upside
  • Diverse Tenant Mix
  • Excellent Location

Executive Summary

One Harbour Square is a value-add investment opportunity priced well below replacement cost, one that offers a future owner a solid cap rate at the building’s current occupancy with the potential of a double-digit return once the property achieves higher than 80% occupancy. The building is a well located, Class B, atrium style professional office building that has historically maintained an occupancy at or above other comparable buildings in the greater Clear Lake market. The site offers its tenants upscale finishes, prominent signage opportunities, an abundance of parking, and excellent access to all the area’s most heavily traveled roadways and attractions.
The building is currently occupied by a diverse mix of regional and national tenants whose services include real estate development, property, casualty and title insurance, logistics, legal, financial and estate planning, home health care, medical, and industrial construction, repair and maintenance.
The subject site is located midway between Downtown Houston and Galveston in League City, Texas, a city that routinely ranks amongst the best places to live and work in the United States. The building is strategically situated in South Shore Harbour, a highly sought after master-planned community constructed on the south side of Clear Lake that includes a heavy concentration of residential and commercial development, including but not limited to, a hotel and conference center, 1,000 slip marina, fitness center, 27 hole country club, more than 500,000 square feet of office space, upscale multi-family and assisted living communities, and an abundance of local and national retailers, big box users and restaurants. The area is highly educated with an employment base that centers around the aerospace, medical, transportation, and petrochemical industries.
Please contact listing broker for more details or to arrange a tour of the property.

Property Facts

Sale Type
Investment or Owner User
Property Type
Office
Property Subtype
Medical
Building Size
57,939 SF
Building Class
B
Year Built/Renovated
1985/2000
Cap Rate
7.82%
Percent Leased
67%
Tenancy
Multiple
Building Height
3 Stories
Typical Floor Size
19,313 SF
Slab To Slab
10’
Building FAR
0.35
Lot Size
3.77 AC
Zoning
CO - Office Commercial - CO - Office Commercial
Parking
208 Spaces (3.59 Spaces per 1,000 SF Leased)

Amenities

  • 24 Hour Access
  • Property Manager on Site
  • Security System

Space Availability

  • Space
  • Size
  • Space Use
  • Condition
  • Available
  • 1st Fl-Ste 105
  • 1,128 SF
  • Office
  • Full Build-Out
  • Now
  • 1st Fl-Ste 110
  • 4,997 SF
  • Office
  • -
  • 30 Days
  • 2nd Fl-Ste 225
  • 856 SF
  • Office
  • -
  • Now
  • 3rd Fl-Ste 301
  • 4,573 SF
  • Office
  • -
  • Now
  • 3rd Fl-Ste 309
  • 1,142 SF
  • Office
  • -
  • Now
  • 3rd Fl-Ste 312
  • 1,202 SF
  • Office
  • -
  • Now
  • 3rd Fl-Ste 344
  • 2,655 SF
  • Office
  • -
  • Now
  • 3rd Fl-Ste 370
  • 1,059 SF
  • Office
  • -
  • Now
  • 3rd Fl-Ste 3XX
  • 1,368 SF
  • Office
  • -
  • Now
Space Size Space Use Condition Available
1st Fl-Ste 105 1,128 SF Office Full Build-Out Now
1st Fl-Ste 110 4,997 SF Office - 30 Days
2nd Fl-Ste 225 856 SF Office - Now
3rd Fl-Ste 301 4,573 SF Office - Now
3rd Fl-Ste 309 1,142 SF Office - Now
3rd Fl-Ste 312 1,202 SF Office - Now
3rd Fl-Ste 344 2,655 SF Office - Now
3rd Fl-Ste 370 1,059 SF Office - Now
3rd Fl-Ste 3XX 1,368 SF Office - Now

1st Fl-Ste 105

Size
1,128 SF
Space Use
Office
Condition
Full Build-Out
Available
Now

1st Fl-Ste 110

Size
4,997 SF
Space Use
Office
Condition
-
Available
30 Days

2nd Fl-Ste 225

Size
856 SF
Space Use
Office
Condition
-
Available
Now

3rd Fl-Ste 301

Size
4,573 SF
Space Use
Office
Condition
-
Available
Now

3rd Fl-Ste 309

Size
1,142 SF
Space Use
Office
Condition
-
Available
Now

3rd Fl-Ste 312

Size
1,202 SF
Space Use
Office
Condition
-
Available
Now

3rd Fl-Ste 344

Size
2,655 SF
Space Use
Office
Condition
-
Available
Now

3rd Fl-Ste 370

Size
1,059 SF
Space Use
Office
Condition
-
Available
Now

3rd Fl-Ste 3XX

Size
1,368 SF
Space Use
Office
Condition
-
Available
Now

Property Taxes

Property Taxes

Parcel Number
6661-0000-0000-003
Land Assessment
$2,344,280 CAD
Improvements Assessment
$4,117,240 CAD
Total Assessment
$6,461,520 CAD
  • Listing ID: 39698364

  • Date on Market: 2026-03-08

  • Last Updated:

  • Address: 3027 Marina Bay Dr, League City, TX 77573

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