FlexCaves™ at 250 E 135th St is a next-generation flex campus in the heart of Martin City, delivering premium small-bay space that blends showroom, workspace, and lifestyle units in one master-planned environment. Designed for collectors, contractors, retailers, and modern professionals, the project offers both sale and lease options with Class A security, finishes, and access in a corridor with virtually no comparable inventory.
Address: 250 E 135th St, Martin City (Kansas City), MO 64145, a 51-unit, 84,450 SF premium flex campus
Units range from approximately 1,300-3,600 SF with mezzanines, private restrooms, storefront glazing (select units), and a ready-flex delivery ideal for small business owners and lifestyle users.
ONLY 7 PrimeCaves are available for purchase (5 XL and 2 XXL), creating built-in scarcity for users who want to own in a gated, institutionally designed flex community.
FlexCaves Concept
A new class of flex space purpose-built for flexible workspace, premium storage, and retail environments; far beyond typical warehouse or mini-storage product
Three purpose-designed Cave types serve distinct user profiles on one campus:
ShopCaves: Street-facing storefronts units for retail, showroom, and fulfillment
ProCaves: High ceiling, utility-first flex for trades, service pros, and operators who need serious infrastructure
PrimeCaves: Finishes, climate-controlled showcase suites for collectors and lifestyle users
Flexible, secure, and amenity-rich with wide drive aisles, premium common areas, and a Tenant-first operating model designed for absorption and long-term retention.
PrimeCave Sale & Lease options
PrimeCave XL: Approximately 2,250 SF (±1,650 SF main floor + ±600 SF mezzanine); offered for sale and for 3-year+ NNN Lease term
PrimeCave XXL: Approximately 3,600 SF (±3,000 SF main floor + ±600 SF mezzanine); offered for sale and fore 3-year+ NNN Lease term
Ideal for luxury vehicle collections, premium storage, creative studios, client/private event space, and owner-users seeking a secure, climate-controlled home base
Use Cases
High net-worth individuals and collectors wanting secure, climate-controlled, finishes garage-condo style space with showroom quality presentations
Contractors, trades, service businesses, e-commerce operators, and boutique retailers needing customer-facing presence plus functional back-of-house storage and workspace
Investors and owner-users looking to participate in a scarce, small-format ownership opportunity in a high-demand corridor
Security and Amenities
Institutional-grade security stack including gated access, proprietary access platform (SecurePassage), AI perimeter cameras, license plate recognition, facial recognition, and autonomous drone patrol/response
Integrated video coverage and professional-grade site lighting for clear, 24/7 monitoring and high-visibility operations
Premium shared areas and thoughtfully planned circulation, with optimized drive aisles for large vehicles, trailers, and industrial equipment
PrimeCave Sale & Lease options
PrimeCave XL: Approximately 2,250 SF (±1,650 SF main floor + ±600 SF mezzanine); offered for sale and for 3-year+ NNN Lease term
PrimeCave XXL: Approximately 3,600 SF (±3,000 SF main floor + ±600 SF mezzanine); offered for sale and fore 3-year+ NNN Lease term
Ideal for luxury vehicle collections, premium storage, creative studios, client/private event space, and owner-users seeking a secure, climate-controlled home base