You found the space, negotiated the lease, and now face the part nobody explains: turning an empty shell or a previous tenant’s leftovers into your restaurant, clinic, salon, office, or shop. Commercial build-outs run on different rules than home renovation — here is what first-time commercial tenants in Miami-Dade and Broward should understand before signing anything.
Start Before You Sign: Due Diligence
The most expensive build-out mistakes happen at lease signing. Verify the space’s zoning allows your use, ask whether the certificate of occupancy history matches your business type (a retail-to-restaurant conversion is a much bigger project than retail-to-retail), and understand what condition the landlord is delivering: raw shell, warm shell with HVAC and basic electrical, or second-generation space. Tenant improvement allowances, buildout timelines, and who owns permitting delays belong in the lease negotiation, not after.
Change of Use: The Multiplier
If your business type differs from the previous occupant’s, the project may trigger change-of-use review — bringing accessibility upgrades, parking calculations, life-safety systems, and sometimes impact fees into scope. Restaurants are the classic heavy case: grease interceptors, hood and fire suppression systems, health department review, and serious mechanical work. None of this is a reason to avoid the space — it is a reason to price the build-out before committing to it.
The Drawing Set and Permit Package
Commercial work runs on signed and sealed drawings: architectural plans, and depending on scope, mechanical, electrical, plumbing, and fire protection sheets. Cities review commercial permits across multiple disciplines, and in many South Florida jurisdictions fire review is its own track. A complete, coordinated drawing set is the single biggest schedule protector — bounced submittals cost weeks. This is exactly the coordination our sister company IG Permit Expeditors manages for commercial clients.
What the Construction Phase Looks Like
A typical build-out sequences: demolition of existing improvements, framing and rough trades, inspections, drywall and finishes, equipment and millwork installation, then final inspections and the certificate of occupancy or completion. Landlord rules overlay everything — insurance requirements, work hours in occupied plazas, roof penetrations only by landlord-approved roofers. And the finish line matters: you cannot legally open on a final inspection alone; the CO/CC paperwork is the key to the door.
Budget and Timeline Honesty
Build-out costs swing enormously with use type and delivery condition — an office refresh and a ground-up restaurant differ by an order of magnitude. The schedule usually splits roughly evenly between design-and-permitting and physical construction, which surprises owners planning around construction time alone. Signing a lease that starts rent before permits are realistic is the classic first-timer trap; negotiate buildout periods with the permit clock in mind.
Building Out a Space?
IG Construction delivers commercial build-outs across Miami-Dade and Broward — offices, retail, restaurants, and clinics — with drawings, permits, and construction coordinated under one contract. Call (305) 686-9919 or request a consultation before you sign the lease; ten minutes of scope talk can save a month of surprises.