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Union Square San Antonio, TX 78216 1,049 - 19,218 SF of Office Space Available

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Park Highlights

Modern two-building office campus strategically located between Highway 281 and San Antonio International Airport in vibrant Uptown San Antonio.
Amenities abound with a lush outdoor courtyard, an express market, daily food-service, a conferencing facility, a bank, and dry cleaning services.

Commute with ease with direct access to Highway 281, one mile to NW Loop 410, and a parking garage with an attached covered walkway.
Within two miles of Uptown's hottest shopping, dining, and entertainment venue's including Alamo Drafthouse Cinema and North Star Mall.

Park Facts

Total Space Available	19,218 SF	Features	Banking Conferencing Facility, Courtyard, Food Court, Property Manager on Site, Security System, Signage
Park Type	Office Park

Total Space Available	19,218 SF
Park Type	Office Park
Features	Banking Conferencing Facility, Courtyard, Food Court, Property Manager on Site, Security System, Signage

All Available Spaces(6)

Display Rental Rate as

Union Square

10001 Reunion Pl - Union Square II

1,049 - 9,684 SF | $51.19 CAD/SF/YR $4.27 CAD/SF/MO $551.04 CAD/m²/YR $45.92 CAD/m²/MO $4,475 - $41,313 CAD/MO $53,702 - $495,755 CAD/YR | View Building Details

Building Type/Class

Office/A

Year Built

2006

Building Size

131,186 SF

Building Height

6 Stories

Typical Floor Size

22,724 SF

Parking

34 Spaces

Space
Size
Term
Rental Rate
Space Use
Build-Out
Available

1st Floor, Ste 100
4,961 SF
Negotiable
$51.19 CAD/SF/YR $4.27 CAD/SF/MO $253,969 CAD/YR $21,164 CAD/MO
Office
Full Build-Out
Now

Rate includes utilities, building services and property expenses

1st Floor, Ste 190
3,674 SF
Negotiable
$51.19 CAD/SF/YR $4.27 CAD/SF/MO $188,084 CAD/YR $15,674 CAD/MO
Office
-
Now

Rate includes utilities, building services and property expenses

2nd Floor, Ste 210
1,049 SF
Negotiable
$51.19 CAD/SF/YR $4.27 CAD/SF/MO $53,702 CAD/YR $4,475 CAD/MO
Office
-
2026-10-01

Rate includes utilities, building services and property expenses

Space	Size	Term	Rental Rate	Space Use	Build-Out	Available
1st Floor, Ste 100	4,961 SF	Negotiable	$51.19 CAD/SF/YR $4.27 CAD/SF/MO $253,969 CAD/YR $21,164 CAD/MO	Office	Full Build-Out	Now
1st Floor, Ste 190	3,674 SF	Negotiable	$51.19 CAD/SF/YR $4.27 CAD/SF/MO $188,084 CAD/YR $15,674 CAD/MO	Office	-	Now
2nd Floor, Ste 210	1,049 SF	Negotiable	$51.19 CAD/SF/YR $4.27 CAD/SF/MO $53,702 CAD/YR $4,475 CAD/MO	Office	-	2026-10-01

Union Square

10001 Reunion Pl - Union Square II

1,049 - 9,684 SF | $51.19 CAD/SF/YR $4.27 CAD/SF/MO $551.04 CAD/m²/YR $45.92 CAD/m²/MO $4,475 - $41,313 CAD/MO $53,702 - $495,755 CAD/YR | View Building Details

Building Type/Class

Office/A

Year Built

2006

Building Size

131,186 SF

Building Height

6 Stories

Typical Floor Size

22,724 SF

Parking

34 Spaces

Size

4,961 SF

Term

Negotiable

Rental Rate

$51.19 CAD/SF/YR $4.27 CAD/SF/MO $253,969 CAD/YR $21,164 CAD/MO

Space Use

Office

Build-Out

Full Build-Out

Available

Now

Size

3,674 SF

Term

Negotiable

Rental Rate

$51.19 CAD/SF/YR $4.27 CAD/SF/MO $188,084 CAD/YR $15,674 CAD/MO

Space Use

Office

Build-Out

Available

Now

Size

1,049 SF

Term

Negotiable

Rental Rate

$51.19 CAD/SF/YR $4.27 CAD/SF/MO $53,702 CAD/YR $4,475 CAD/MO

Space Use

Office

Build-Out

Available

2026-10-01

Union Square

10101 Reunion Pl - Union Square I

2,134 - 9,534 SF | $51.19 CAD/SF/YR $4.27 CAD/SF/MO $551.04 CAD/m²/YR $45.92 CAD/m²/MO $9,104 - $40,673 CAD/MO $109,246 - $488,076 CAD/YR | View Building Details

Building Type/Class

Office/A

Year Built

1986

Building Size

192,763 SF

Building Height

10 Stories

Typical Floor Size

20,000 SF

Parking

750 Spaces

Space
Size
Term
Rental Rate
Space Use
Build-Out
Available

2nd Floor, Ste 275
2,354 SF
Negotiable
$51.19 CAD/SF/YR $4.27 CAD/SF/MO $120,509 CAD/YR $10,042 CAD/MO
Office
-
2026-11-01

Rate includes utilities, building services and property expenses

6th Floor, Ste 615
5,046 SF
Negotiable
$51.19 CAD/SF/YR $4.27 CAD/SF/MO $258,321 CAD/YR $21,527 CAD/MO
Office
Partial Build-Out
Now

Please contact the broker for additional information on this space.

Rate includes utilities, building services and property expenses
Mostly Open Floor Plan Layout

Partially Built-Out as Standard Office
Central Air Conditioning

9th Floor, Ste 950
2,134 SF
Negotiable
$51.19 CAD/SF/YR $4.27 CAD/SF/MO $109,246 CAD/YR $9,104 CAD/MO
Office
-
2026-10-01

Rate includes utilities, building services and property expenses

Space	Size	Term	Rental Rate	Space Use	Build-Out	Available
2nd Floor, Ste 275	2,354 SF	Negotiable	$51.19 CAD/SF/YR $4.27 CAD/SF/MO $120,509 CAD/YR $10,042 CAD/MO	Office	-	2026-11-01
6th Floor, Ste 615	5,046 SF	Negotiable	$51.19 CAD/SF/YR $4.27 CAD/SF/MO $258,321 CAD/YR $21,527 CAD/MO	Office	Partial Build-Out	Now
9th Floor, Ste 950	2,134 SF	Negotiable	$51.19 CAD/SF/YR $4.27 CAD/SF/MO $109,246 CAD/YR $9,104 CAD/MO	Office	-	2026-10-01

Union Square

10101 Reunion Pl - Union Square I

2,134 - 9,534 SF | $51.19 CAD/SF/YR $4.27 CAD/SF/MO $551.04 CAD/m²/YR $45.92 CAD/m²/MO $9,104 - $40,673 CAD/MO $109,246 - $488,076 CAD/YR | View Building Details

Building Type/Class

Office/A

Year Built

1986

Building Size

192,763 SF

Building Height

10 Stories

Typical Floor Size

20,000 SF

Parking

750 Spaces

Size

2,354 SF

Term

Negotiable

Rental Rate

$51.19 CAD/SF/YR $4.27 CAD/SF/MO $120,509 CAD/YR $10,042 CAD/MO

Space Use

Office

Build-Out

Available

2026-11-01

Size

5,046 SF

Term

Negotiable

Rental Rate

$51.19 CAD/SF/YR $4.27 CAD/SF/MO $258,321 CAD/YR $21,527 CAD/MO

Space Use

Office

Build-Out

Partial Build-Out

Available

Now

Size

2,134 SF

Term

Negotiable

Rental Rate

$51.19 CAD/SF/YR $4.27 CAD/SF/MO $109,246 CAD/YR $9,104 CAD/MO

Space Use

Office

Build-Out

Available

2026-10-01

Select Tenants at This Property

Multiple
Amegy Bank
Finance and Insurance

5th
Freidrich Air Conditioning
Construction

Multiple
Lewis Energy Group
Construction

3rd
MassMutual South Texas
Finance and Insurance

5th
Walton Signage
Manufacturing

Park Overview

Union Square is a high-end two-building office campus consisting of a ten-story and a six-story office building totaling 325,000 square feet. Boasting an elegant lobby with sophisticated marble finishes, Union Square offers unparalleled amenities to tenants. The amenity-rich campus features daily food truck service, an express market with vending, a conferencing facility, a bank, dry cleaning services, weekly massage therapist on-site, outdoor courtyard and on-site management and maintenance. Located just minutes from the San Antonio International Airport, with excellent ingress/egress alongside the vibrant Highway 281 corridor, Union Square is easily accessible and offers ample parking in the parking garage with an attached covered walkway to the buildings. Perfectly positioned in Uptown San Antonio, Union Square is within two miles of a wealth of shopping, dining, and entertainment at Alamo Drafthouse Cinema, North Star Mall, San Pedro Crossing, and North Park Shopping Center. Union Square offers quick access to key business centers, hotels, and many of San Antonio's more prestigious residential neighborhoods.