Cost to Build an Apartment Complex
Multi-family costs are not usefully expressed per square foot. Developers price per unit and per door, because parking, structure type and land dominate in a way they never do on a house.
There is no honest per-square-foot figure for this one.
A apartment complex does not price like a stick-built house, and we would rather say so than publish a rate we cannot stand behind. The cost structure below is the useful part — price each element from local quotes. If you are costing finished living space, the residential calculator will get you a range.
Open the residential calculatorWhere the money goes
- Construction typeWood-frame walk-up, podium or high-rise — the single largest determinant
- ParkingSurface, structured or underground; often the biggest swing on the whole project
- Unit interiorsKitchens, baths and finishes multiplied by door count
- Building systemsFire suppression, elevators, corridors, common areas
- Site work and utilitiesDetention, access and offsite improvements
- Soft costsDesign, engineering, impact fees, financing and carrying costs
What moves the number most
- Construction type — a three-storey wood-frame walk-up and a concrete podium building are different orders of cost
- Parking strategy — structured or underground parking can rival the cost of the units it serves
- Unit mix and average unit size
- Municipal impact fees, detention requirements and offsite improvements
- Financing cost and construction duration, which are material at this scale
Typically included
- Building shell, structure and envelope
- Unit interiors and common areas
- Building systems including fire suppression and, where applicable, elevators
- On-site utilities and paving within the parcel
Typically excluded
- Land acquisition
- Design, engineering and entitlement costs
- Impact, connection and permit fees
- Financing and carrying costs through lease-up
- Offsite improvements required as a condition of approval
Per door, not per square foot
Multi-family is underwritten per unit because that is what generates revenue and what lenders size against. A per-square-foot figure obscures the two things that actually decide feasibility: how many doors the site yields, and what each door costs all-in including its share of parking, common area and site work.
Parking usually decides the project
Surface parking is comparatively cheap and consumes land. Structured parking preserves density at significant cost per space, and underground parking is dramatically more expensive again. Because the required ratio is set by code and the land cost is fixed, the parking decision frequently determines whether a site pencils at all.
Soft costs are not a rounding error
On a house, design and fees are a small fraction of the build. On an apartment complex, design, engineering, entitlement, impact fees, financing and carrying costs through lease-up form a substantial share of total project cost — and they are incurred long before there is anything to show. Any estimate that reports hard costs alone understates the project materially.
Where the early signal lives
Multi-family projects surface publicly well before they are built — as a plat or replat, then a plan-review filing, then a permit. For contractors pursuing this work, those filings are the practical way to identify a development while trades are still being bought out.
FAQ
How much does it cost to build an apartment complex?
Costs are quoted per unit rather than per square foot, and the range is very wide because construction type and parking dominate. A three-storey wood-frame walk-up with surface parking sits at the low end; a concrete podium building with structured parking is substantially higher; underground parking raises it again. Land, design, impact fees and financing sit on top of the construction number and are material at this scale.
Why is parking such a large cost?
Because required parking ratios are set by code, and the cheapest solution — surface parking — consumes the land that would otherwise hold revenue-generating units. Structured and underground parking preserve density but cost a great deal per space, so the parking decision often determines project feasibility.
What is the difference between hard and soft costs?
Hard costs are the physical construction: structure, envelope, systems, interiors and site work. Soft costs are everything else needed to deliver the project — design and engineering, entitlement, permit and impact fees, legal, insurance, financing and carrying costs through lease-up. On multi-family, soft costs are a significant share of the total.
Other build costs
Estimating is easier when you know what is being built.
Platineer tracks permit and plat filings in your market — project type, declared valuation, square footage and owner — matched to your trade and job size.
See a sample