Fitting out professional office space is one of the most common commercial projects in Jacksonville. Here’s what an office build-out in Jacksonville costs, how the process works, and how to keep it on schedule. Ofir Engineering is a licensed Florida general contractor (License #CGC 1540016) serving Jacksonville, Ponte Vedra, St. Johns, and Northeast Florida.

What an Office Build-Out Includes
An office build-out turns a bare or dated space into a functional workplace: offices and conference rooms, open work areas, break rooms, restrooms, and reception — with the electrical, data, HVAC, lighting, and finishes to support them.
Office Build-Out Cost in Jacksonville
Because the shell already exists, office build-outs cost less than ground-up construction. Cost is driven mainly by finish level and systems — a simple open-plan office is far cheaper than a high-end executive suite or medical office. For ground-up office cost context, Florida office construction runs roughly $407–$858 per square foot; build-outs are a fraction of that. See our commercial cost guide.
The Office Build-Out Process
- Space planning and design around your team and workflow.
- Permitting through the City of Jacksonville.
- Demolition and framing of the new layout.
- Electrical, data, plumbing, and HVAC.
- Ceilings, flooring, lighting, and finishes.
- Final inspections and certificate of occupancy.

Timeline and Tips
Most office build-outs take 6 to 12 weeks. Plan early for long-lead items (glass, custom millwork, specialty HVAC) and coordinate signage and data cabling. Knowing your build-out cost before you sign a lease also helps you negotiate a tenant improvement allowance. Read our broader build-out and tenant improvement guide.
Plan Your Office with Ofir Engineering
Ofir Engineering manages office build-outs across Jacksonville and Northeast Florida, from space planning and permitting through final CO.
Frequently Asked Questions
How much does an office build-out cost in Jacksonville?
Office build-outs cost less than ground-up construction because the shell exists. Cost is driven mainly by finish level and systems — a simple open-plan office is far cheaper than a high-end executive or medical office. A contractor can price your specific space.
How long does an office build-out take?
Most office build-outs take about 6 to 12 weeks, with permitting and long-lead items like glass, millwork, and specialty HVAC as the main schedule factors.
Do I need a permit for an office build-out in Jacksonville?
Yes. Office build-outs require permits through the City of Jacksonville with plan review for life-safety, accessibility, electrical, and mechanical work. A licensed contractor handles permitting and inspections.
Who pays for an office build-out?
Costs are often shared through a tenant improvement allowance negotiated in the lease. Knowing your real build-out cost before signing helps you negotiate the right allowance.
Start Your Office Build-Out
Contact Ofir Engineering to plan your Jacksonville office build-out.
