The contract type you choose for ground-up multifamily construction determines who carries cost risk, how your budget locks in, and what happens when material costs change. Inabnet, a multifamily general contractor in San Diego, Tampa, and Austin, breaks down GMP, lump sum, and cost-plus contracts — what each one means for your proforma and your relationship with your GC.
GMP contract
What Is Preconstruction in Multifamily Development — And Why It Determines Project Success
Most multifamily projects that go over budget or fall behind schedule do not fail during construction. They fail before a single shovel hits the ground. The multifamily preconstruction process is where project outcomes are actually set — and it is the phase most...


