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4400 Highway 121 The Realm At Castle Hls
Lewisville, TX 75056 Carrollton

Rate Upon Request

Coworking Space  •  49+ SF

Coworking Highlights

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

Description of Coworking Space

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.

23 Coworking Spaces Available

Name Space Use Size Rent Details
3rd Floor Ste 307 Coworking 170 SF Rate Upon Request
One of our largest 3-desk private offices, Suite #307 offers an impressive window view and an abundance of natural light throughout the day. The spacious layout provides ample room for your team to work comfortably while enjoying a bright and inspiring work environment. Membership includes high-speed WiFi, complimentary conference room hours, free parking, and unlimited coffee and tea.

  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste 309 Coworking 224 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste 328 Coworking 96 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Negotiable
  • Space Type: Coworking Space
3rd Floor Ste 328 Coworking 84 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste 333 Coworking 195 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Negotiable
  • Space Type: Coworking Space
3rd Floor Ste 338 Coworking 143 SF Rate Upon Request
External window office that fits up to 4 people

  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste 349 Coworking 182 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste 355 Coworking 255 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste 362 Coworking 308 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Negotiable
  • Space Type: Coworking Space
3rd Floor Ste 366 Coworking 208 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste 367 Coworking 325 SF Rate Upon Request
A versatile and spacious 8-desk private office designed to adapt to your team's needs. This suite features full frosting for enhanced privacy, making it ideal for collaborative teams, client meetings, or growing businesses looking for a professional workspace. Enjoy high-speed WiFi, complimentary conference room hours, free parking, and unlimited coffee and tea included with your membership.

  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste 369 Coworking 192 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Negotiable
  • Space Type: Coworking Space
3rd Floor Ste 369 Coworking 192 SF Rate Upon Request
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.

  • Date available: TBD
  • Lease term: None
  • Service type: To Be Determined
  • Space Type: Coworking Space
3rd Floor Ste 372 Coworking 255 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste 380 Coworking 100 SF Rate Upon Request
Private Suite with 2 seats

  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste 383 Coworking 170 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste 390 Coworking 49 SF Rate Upon Request
Suite #390 is a spacious private office perfect for a solo professional seeking a quiet and productive workspace. The office benefits from filtered natural light from surrounding windowed offices, creating a comfortable and welcoming atmosphere. Your membership includes high-speed WiFi, complimentary conference room hours, free parking, and unlimited coffee and tea.

  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste 393 Coworking 221 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Negotiable
  • Space Type: Coworking Space
3rd Floor Ste 394 Coworking 136 SF Rate Upon Request
  • Date available: TBD
  • Lease term: None
  • Service type: Negotiable
  • Space Type: Coworking Space
3rd Floor Ste Conference Room Coworking 350 SF Rate Upon Request
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.

  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste Event Space Coworking 3,000 SF Rate Upon Request
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

  • Date available: TBD
  • Lease term: None
  • Service type: Full Service Gross
  • Space Type: Coworking Space
3rd Floor Ste Multi-Office Plan Coworking 2,000 SF Rate Upon Request
Private Executive Suite | ±2,000 SF | Exclusive Entrance | The Realm at Castle Hills

Rarely does an opportunity become available that offers the privacy and exclusivity of a traditional office suite combined with the flexibility and premium amenities of a modern executive workspace.

Located within The Realm at Castle Hills, this approximately 2,000 SF self-contained executive suite provides a unique environment designed for businesses seeking a dedicated headquarters experience without the burden of managing a traditional office lease.

The suite features a thoughtfully designed mix of private interior and window offices, creating an ideal balance of privacy, natural light, and functionality. At the heart of the suite is a large, versatile flex space that can be customized as a private conference room, executive office, collaborative workspace, training room, or client meeting area depending on your organization's needs.

Unlike typical office offerings, this suite includes its own private entrance with secure coded access, allowing your team to operate within a dedicated environment accessible only to your employees and guests. Internal corridors connect the offices, creating a cohesive and professional workspace that feels like your own private headquarters.

Suite Highlights:

• Approximately ±2,000 SF of private workspace
• Dedicated private entrance with secure coded access
• Mix of interior and exterior/window offices
• Large flex space ideal for conference room, executive office, or team collaboration area
• Internal private hallways creating a self-contained suite environment
• Premium Herman Miller furnishings available
• Noise-insulated office construction
• Optional glass frosting for additional privacy
• 24/7 secure building access
• Move-in ready workspace

Included Business Amenities:

• High-speed secure fiber internet
• Reception and guest greeting services
• Mail and package handling
• Business-class printer/copier access
• Daily cleaning and maintenance
• Complimentary conference room hours
• Professional business address

Premium Building & Community Features:

• Located in the highly desirable Realm at Castle Hills development
• Walkable access to restaurants, coffee shops, retail, and services
• On-site fitness center included
• Free parking with reserved parking options available
• Beautifully designed common areas and client-facing spaces
• Access to Venture X locations worldwide
• Networking and business community events

Ideal For:

Professional services firms, consulting companies, legal practices, financial services teams, technology companies, real estate organizations, medical administration groups, sales teams, regional headquarters, and growing businesses seeking a private, professional environment with premium amenities.

This is a rare opportunity to secure a private executive suite within one of the area's most sought-after mixed-use developments. The combination of dedicated access, flexible layout, premium amenities, and a prestigious location creates a workspace experience that is difficult to replicate in today's market.

Contact us today to schedule a private tour and explore how this unique executive suite can support your team's growth and success.

  • Date available: TBD
  • Lease term: None
  • Service type: Negotiable
  • Space Type: Coworking Space
3rd Floor Ste Shared Desk Coworking 100-850 SF Rate Upon Request
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.

  • Date available: TBD
  • Lease term: None
  • Service type: Negotiable
  • Space Type: Coworking Space

Coworking Property Details

  • Property Type Coworking Space
  • Year Built 2018
  • Total Building Size 232,031 SF
  • Tenancy Multiple
  • Building Class A
  • Zoning F1
0 Transit Score
40 Walk Score

Property Flyers

Amenities

  • Atrium
  • Controlled Access
  • Concierge
  • Conferencing Facility
  • Convenience Store
  • Courtyard
  • Fitness Center
  • Property Manager on Site
  • Restaurant
  • Security System
  • Signage
  • Wheelchair Accessible
  • Car Charging Station
  • Outdoor Seating
  • Air Conditioning
  • Balcony

Major Tenants

Tenant SF Occupied Lease End Date
Bright Realty LLC 60,148 SF
Venture X 30,074 SF

Public Transportation

Commuter RailDriveWalkDistance
11 min - 6.0 mi
12 min - 6.8 mi
AirportDriveWalkDistance
Dallas-Fort Worth International 22 min - 17.2 mi
Dallas Love Field 34 min - 22.2 mi

Parking Details

Parking Available: Yes
Reserved: No
Spaces Provided: 635
Type: Surface
Included in Rent: Yes

469-280-0122