Open flex-office refresh
$110/SF
$35,000 minimum
Open-plan refresh: paint, flooring, lighting, and light reconfiguration.
Real Standards · 2026
Coworking & Flex Office Build-Out Cost in DFW
Coworking prices above standard office for one reason: partition count. Every private office, phone booth, and meeting room is walls, a door, a light circuit, a return, and an acoustic detail, and the density of them is what drives the number.
Open flex
$110/SF
refresh, open plan
Standard
$165/SF
offices + meeting rooms
Premium
$225/SF
glass fronts + millwork
5.0 Google$2M GL + $2M Umbrella1-Year Workmanship WarrantyAll Trades Under One ContractCustom, Limited-Volume Builder
Coworking & Flex Office
Published standards, before you book a walk.
Standard coworking build-out
$165/SF
$55,000 minimum
Private offices, meeting rooms, phone booths, shared amenity areas, and reception.
Premium coworking build-out
$225/SF
$85,000 minimum
Glass-front offices, custom millwork, upgraded acoustics, and brand finish package.
All i30 Builders full-project prices include normal mobilization, ordinary protection of adjacent areas, labor, standard materials listed in the scope, project coordination, normal cleanup, and a one-year workmanship warranty on the listed scope.Every job in this category is custom, so these are budgeting standards rather than quotes. Landlord fees, FF&E, equipment, and specialty inspections are separate line items called out explicitly in the written scope.
What Drives the Final Number
Up and down, the honest answer.
Pushes price up
- A high count of private offices, phone booths, and meeting rooms
- Glass-front office systems rather than drywall partitions
- Acoustic treatment so calls do not carry between rooms
- Splitting HVAC returns and lighting circuits per room
- Data cabling density across a shared floor
- Amenity areas: kitchens, lounges, and their plumbing and power
Keeps price down
- An open plan with a low partition count
- Drywall partitions instead of glass-front systems
- Taking second-generation office space with a usable layout
- Keeping the existing HVAC zoning and lighting grid
- A standard finish package rather than specified millwork
Common Cost Questions
Frequently asked
How much does a coworking build-out cost in DFW?
Open flex-office refresh: $110/SF ($35,000 min). Standard coworking build-out: $165/SF ($55,000 min). Premium glass-front build-out: $225/SF ($85,000 min). All-in, including permits, inspections, project management, and the one-year workmanship warranty.
Why does coworking cost more per square foot than standard office?
Partition density. A standard office finish-out has relatively few rooms across the floor plate. Coworking packs private offices, phone booths, and meeting rooms into the same area, and every one of them is walls, a door, a light circuit, an HVAC return, and an acoustic detail. The rate follows the room count, not the square footage.
Are glass-front offices worth the difference?
They read better and they let light through a deep floor plate, which is why most premium coworking specifies them. They also cost meaningfully more than drywall partitions. We price both so you can see the delta and decide deliberately rather than discover it in a change order.
Can you phase a build across an occupied floor?
Yes. We phase by block so one section keeps operating while another is built, work after hours where the scope allows, and reset nightly. The protection and reset carry a multiplier, stated as its own line in the scope.
Is the quoted price the final price?
Yes, written scope, locked at signing. Change orders happen only if you request a scope change, and they are priced and approved in writing first. Hidden conditions behind walls are excluded by default and surfaced as change orders if found.
What's included in the per-SF price?
All i30 Builders full-project prices include normal mobilization, ordinary protection of adjacent areas, labor, standard materials listed in the scope, project coordination, normal cleanup, and a one-year workmanship warranty on the listed scope.
Recent Work
A look at what we build.
Get a written quote
Tell us the square footage, whether the space is second-generation or raw, and your target opening date. Free site visit; written scope back within 5 business days.