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4400 Highway 121 The Realm At Castle Hls - Venture X Offices & Flex Space Coworking Space Available in Lewisville, TX 75056

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HIGHLIGHTS

  • Fully-furnished private offices
  • Large Windows
  • Restaurants & retails shops
  • Modern conference rooms
  • Fitness center
  • Concierge services

ALL AVAILABLE SPACES(21)

Display Rental Rate as

  • SPACE
  • NO. OF PEOPLE
  • SIZE
  • RENTAL RATE
  • SPACE USE
  • 3rd Floor, Ste 309
  • 1 - 2
  • 224 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 3rd Floor, Ste 328
  • 1 - 2
  • 96 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 5 Workstations
  • 3rd Floor, Ste 328
  • 1
  • 84 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 3rd Floor, Ste 333
  • 1 - 4
  • 195 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 4 Workstations
  • 3rd Floor, Ste 338
  • 1 - 4
  • 143 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office

External window office that fits up to 4 people

  • Term

    -

  • Space available from coworking provider
  • 4 Workstations
  • 3rd Floor, Ste 341
  • 1 - 2
  • 143 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 4 Workstations
  • 3rd Floor, Ste 355
  • 1 - 3
  • 255 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 3rd Floor, Ste 362
  • 1 - 8
  • 308 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 8 Workstations
  • 3rd Floor, Ste 366
  • 1 - 2
  • 208 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 3rd Floor, Ste 369
  • 1 - 2
  • 192 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 6 Workstations
  • 3rd Floor, Ste 369
  • 1 - 6
  • 192 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office

This fully enclosed office comfortably accommodates up to six team members with plenty of room to work and collaborate. The space features frosted glass for added privacy while still creating an open and modern feel. It includes a built-in dry erase board, perfect for brainstorming sessions, meetings, or team planning. Ideal for startups, remote teams, or growing businesses looking for a professional, turnkey workspace.

  • Term

    -

  • Space available from coworking provider
  • Conference Rooms
  • 6 Workstations
  • Wi-Fi Connectivity
  • Print/Copy Room
  • 3rd Floor, Ste 372
  • 1 - 5
  • 255 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 5 Workstations
  • 3rd Floor, Ste 380
  • 1 - 2
  • 100 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office

Private Suite with 2 seats

  • Term

    -

  • Space available from coworking provider
  • 2 Workstations
  • 3rd Floor, Ste 383
  • 1 - 4
  • 170 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 4 Workstations
  • 3rd Floor, Ste 390
  • 1
  • 49 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 3rd Floor, Ste 391
  • 1
  • 112 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 3 Workstations
  • 3rd Floor, Ste 393
  • 1 - 2
  • 221 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office
  • Term

    -

  • Space available from coworking provider
  • 6 Workstations
  • 3rd Floor, Ste Conference Room
  • 10 - 14
  • 350 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office

Fully equipped conference room available for rent. Ideal for mortgage closing, legal depositions, BNI groups etc. Call us today for special rates for non members.

  • Term

    -

  • Space available from coworking provider
  • 1 Conference Room
  • Central Air Conditioning
  • 3rd Floor, Ste Event Space
  • 25 - 75
  • 100 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office

Ideal space for hosting event such as networking events, happy hour, social and professional events for 100 people. We provide professional event hosting and catering services.Space up to 4,000 sq ft available for rent

  • Term

    -

  • Space available from coworking provider
  • Central Air and Heating
  • Security System
  • High Ceilings
  • After Hours HVAC Available
  • Automatic Blinds
  • Food Service
  • 3rd Floor, Ste Multi-Office Plan
  • 2 - 12
  • 500-1,400 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office

All-inclusive multi-office plan options in the same area of the floor, allowing for large teams to be in separate team spaces near each other. Can accommodate teams up to 22 people in 5 offices with dedicated conference room/lounge. Includes high speed fiber internet, Herman Miller Desks/chairs, and filing cabinets for all employees.

  • Term

    -

  • Space available from coworking provider
  • 3rd Floor, Ste Shared Desk
  • 1 - 7
  • 100-850 SF
  • Upon Request Upon Request Upon Request Upon Request
  • Office

Pick wherever you'd like to sit with our shared desk option. Enjoy the Venture X community experience with the numerous seating/desk spaces throughout our co-working space. Take advantage of the fast and secure internet access, large cafe and kitchen with unlimited gourmet coffee, and access to events.

  • Term

    -

  • Space available from coworking provider
  • 4 Conference Rooms
Space No. of People Size Rental Rate Space Use
3rd Floor, Ste 309 1 - 2 224 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 328 1 - 2 96 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 328 1 84 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 333 1 - 4 195 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 338 1 - 4 143 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 341 1 - 2 143 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 355 1 - 3 255 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 362 1 - 8 308 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 366 1 - 2 208 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 369 1 - 2 192 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 369 1 - 6 192 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 372 1 - 5 255 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 380 1 - 2 100 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 383 1 - 4 170 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 390 1 49 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 391 1 112 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste 393 1 - 2 221 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste Conference Room 10 - 14 350 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste Event Space 25 - 75 100 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste Multi-Office Plan 2 - 12 500-1,400 SF Upon Request Upon Request Upon Request Upon Request Office
3rd Floor, Ste Shared Desk 1 - 7 100-850 SF Upon Request Upon Request Upon Request Upon Request Office

3rd Floor, Ste 309

No. of People
1 - 2
Size
224 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 328

No. of People
1 - 2
Size
96 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 328

No. of People
1
Size
84 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 333

No. of People
1 - 4
Size
195 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 338

No. of People
1 - 4
Size
143 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 341

No. of People
1 - 2
Size
143 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 355

No. of People
1 - 3
Size
255 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 362

No. of People
1 - 8
Size
308 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 366

No. of People
1 - 2
Size
208 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 369

No. of People
1 - 2
Size
192 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 369

No. of People
1 - 6
Size
192 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 372

No. of People
1 - 5
Size
255 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 380

No. of People
1 - 2
Size
100 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 383

No. of People
1 - 4
Size
170 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 390

No. of People
1
Size
49 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 391

No. of People
1
Size
112 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 393

No. of People
1 - 2
Size
221 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste Conference Room

No. of People
10 - 14
Size
350 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste Event Space

No. of People
25 - 75
Size
100 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste Multi-Office Plan

No. of People
2 - 12
Size
500-1,400 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste Shared Desk

No. of People
1 - 7
Size
100-850 SF
Term
-
Rental Rate
Upon Request Upon Request Upon Request Upon Request
Space Use
Office

3rd Floor, Ste 309

No. of People 1 - 2
Size 224 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider

3rd Floor, Ste 328

No. of People 1 - 2
Size 96 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider
  • 5 Workstations

3rd Floor, Ste 328

No. of People 1
Size 84 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider

3rd Floor, Ste 333

No. of People 1 - 4
Size 195 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider
  • 4 Workstations

3rd Floor, Ste 338

No. of People 1 - 4
Size 143 SF
Term -
Rental Rate Upon Request
Space Use Office

External window office that fits up to 4 people

  • Space available from coworking provider
  • 4 Workstations

3rd Floor, Ste 341

No. of People 1 - 2
Size 143 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider
  • 4 Workstations

3rd Floor, Ste 355

No. of People 1 - 3
Size 255 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider

3rd Floor, Ste 362

No. of People 1 - 8
Size 308 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider
  • 8 Workstations

3rd Floor, Ste 366

No. of People 1 - 2
Size 208 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider

3rd Floor, Ste 369

No. of People 1 - 2
Size 192 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider
  • 6 Workstations

3rd Floor, Ste 369

No. of People 1 - 6
Size 192 SF
Term -
Rental Rate Upon Request
Space Use Office

This fully enclosed office comfortably accommodates up to six team members with plenty of room to work and collaborate. The space features frosted glass for added privacy while still creating an open and modern feel. It includes a built-in dry erase board, perfect for brainstorming sessions, meetings, or team planning. Ideal for startups, remote teams, or growing businesses looking for a professional, turnkey workspace.

  • Space available from coworking provider
  • Conference Rooms
  • 6 Workstations
  • Wi-Fi Connectivity
  • Print/Copy Room

3rd Floor, Ste 372

No. of People 1 - 5
Size 255 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider
  • 5 Workstations

3rd Floor, Ste 380

No. of People 1 - 2
Size 100 SF
Term -
Rental Rate Upon Request
Space Use Office

Private Suite with 2 seats

  • Space available from coworking provider
  • 2 Workstations

3rd Floor, Ste 383

No. of People 1 - 4
Size 170 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider
  • 4 Workstations

3rd Floor, Ste 390

No. of People 1
Size 49 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider

3rd Floor, Ste 391

No. of People 1
Size 112 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider
  • 3 Workstations

3rd Floor, Ste 393

No. of People 1 - 2
Size 221 SF
Term -
Rental Rate Upon Request
Space Use Office

  • Space available from coworking provider
  • 6 Workstations

3rd Floor, Ste Conference Room

No. of People 10 - 14
Size 350 SF
Term -
Rental Rate Upon Request
Space Use Office

Fully equipped conference room available for rent. Ideal for mortgage closing, legal depositions, BNI groups etc. Call us today for special rates for non members.

  • Space available from coworking provider
  • 1 Conference Room
  • Central Air Conditioning

3rd Floor, Ste Event Space

No. of People 25 - 75
Size 100 SF
Term -
Rental Rate Upon Request
Space Use Office

Ideal space for hosting event such as networking events, happy hour, social and professional events for 100 people. We provide professional event hosting and catering services.Space up to 4,000 sq ft available for rent

  • Space available from coworking provider
  • Central Air and Heating
  • Security System
  • High Ceilings
  • After Hours HVAC Available
  • Automatic Blinds
  • Food Service

3rd Floor, Ste Multi-Office Plan

No. of People 2 - 12
Size 500-1,400 SF
Term -
Rental Rate Upon Request
Space Use Office

All-inclusive multi-office plan options in the same area of the floor, allowing for large teams to be in separate team spaces near each other. Can accommodate teams up to 22 people in 5 offices with dedicated conference room/lounge. Includes high speed fiber internet, Herman Miller Desks/chairs, and filing cabinets for all employees.

  • Space available from coworking provider

3rd Floor, Ste Shared Desk

No. of People 1 - 7
Size 100-850 SF
Term -
Rental Rate Upon Request
Space Use Office

Pick wherever you'd like to sit with our shared desk option. Enjoy the Venture X community experience with the numerous seating/desk spaces throughout our co-working space. Take advantage of the fast and secure internet access, large cafe and kitchen with unlimited gourmet coffee, and access to events.

  • Space available from coworking provider
  • 4 Conference Rooms

ABOUT THE PROPERTY

Newly delivered 235,000 square foot office building located in the northern Dallas/Ft Worth submarket of Upper Tollway/West Plano near Grandscape. This office building has many features such as a conferencing facility, premium video production studios, fitness center, restaurants and retail on the 1st floor, and has ample parking at 994 spaces. Coworking space on the third floor of the building with fully functional cafe and concierge services.

FEATURES AND AMENITIES

  • Atrium
  • Controlled Access
  • Concierge
  • Conferencing Facility
  • Convenience Store
  • Courtyard
  • Fitness Center
  • Property Manager on Site
  • Restaurant
  • Security System
  • Signage
  • Kitchen
  • Car Charging Station
  • Atrium
  • Bicycle Storage
  • High Ceilings
  • Direct Elevator Exposure
  • Natural Light
  • Partitioned Offices
  • Plug & Play
  • Reception
  • Shower Facilities
  • Hardwood Floors
  • Outdoor Seating
  • Air Conditioning

SELECT TENANTS AT THIS PROPERTY

  • FLOOR
  • TENANT NAME
  • INDUSTRY
  • Multiple
  • Bright Realty LLC
  • Real Estate
  • 3rd
  • Venture X
  • Real Estate
  • Listing ID: 17787184

  • Date on Market: 6/25/2025

  • Last Updated:

  • Address: 4400 Highway 121 The Realm At Castle Hls, Lewisville, TX 75056

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