Commercial & Industrial General Contractor — Dallas-Fort Worth

Renovated or built from the ground up. Tenant-ready, fast.

I'm Jonas Moros, founder of JEM Builders. Whether it's transforming an existing property or developing a new building from dirt to doors, I personally run every project — and I personally answer every email.

Serving Dallas–Fort Worth and beyond · Mon–Fri 6 AM–5 PM
JITC work/live, retail and workshop development — aerial view of the completed site, Fort Worth TX

Ground-Up Development

New buildings, from dirt to doors.

4767 Iberia in the Dallas Design District — a 16,800 SF two-story office/flex building developed from the ground up in about 6 months: site work, structural steel, concrete, and full finish-out.

4767 Iberia ground-up construction — structural steel frame going up, Dallas Design District TX
Steel structure going up
4767 Iberia completed two-story office/flex building — finished exterior, Dallas Design District TX
Finished building

Recent Result

50,000 SF, tenant-ready in about 6 weeks.

400 Bishop Ave in Richardson — multiple light industrial buildings taken from rough existing conditions to fully renovated: new roof, storefront and windows, polished concrete floors, LED lighting, exterior repaint, landscaping, and full interior build-out.

400 Bishop Ave before renovation — rough existing warehouse conditions, Richardson TX
Before
400 Bishop Ave after renovation — polished concrete floors and LED lighting, Richardson TX
After — 6 weeks later

Track Record

From ground-up builds to full-site redevelopments.

400 Bishop Ave renovated building exterior, Richardson TX
400 Bishop Ave
50,000 SF renovation · 6 weeks
4767 Iberia completed office/flex building, Dallas Design District TX
4767 Iberia
16,800 SF ground-up · 6 months
Palestine Mall converted to Academy Sports + Outdoors, Palestine TX
Academy Sports + Outdoors
58,000 SF redevelopment · 3 months

What I Handle

One contractor, start to finish.

  • Ground-up construction and new development
  • Demolition and site preparation
  • Roofing, exterior repaint, and storefront/windows
  • Polished concrete floors and LED lighting
  • In-house concrete and structural steel
  • Bathrooms, interior paint, and full build-out
  • Landscaping and final tenant-ready delivery

Why owners email me directly

No layers, no handoffs. I superintend every job myself and oversee quality control personally — with in-house concrete and steel crews for the schedule-critical trades. When you email, you reach the person who will actually run your project.

Email
jonas@jem-builders.com

Have a property that needs work?

Tell me about it. I'll walk the site, give you a straight answer on scope and schedule, and deliver it tenant-ready.

Email jonas@jem-builders.com