San Antonio, Texas
Castilloworks
A San Antonio studio that builds and runs its own companies. Five working, a sixth taking shape. Six rooms, one courtyard.
Iron Star
Doorstep trash valet and grounds upkeep for apartment communities. The unglamorous work, done like it matters.
Enter the room Private care & companionshipGood Company
Non-medical senior care: the same caregiver every visit, hired directly by the family.
Enter the room After-school STEM, in developmentNeuroNest
Small groups for gifted kids, the ones who take things apart to see why.
Enter the room Media, the founder's Instagrambroseph.ai
Short videos about free, public tools most people don't know exist. 923K views in June.
Enter the room Courses & tools, first releases 2026Studio Products
Courses, prompt packs, and open workflows from the studio's own AI pipeline.
Enter the room Nonprofit wedding ministryMarriage Ministries
Bilingual ceremonies across Bexar County. No couple turned away for financial reasons.
Enter the roomSix rooms around one courtyard. Every wall its own color, every door heavy on purpose. The house is young. The foundation isn't.
The sky, right now.
The house runs on San Antonio time. This is the actual sun, or the actual moon in its actual phase, over the courtyard this minute.
When the next company earns a room, the wall is already standing.
Castilloworks is a working studio in San Antonio, Texas. Meet the founder.