How Much Does it Cost to Build an Apartment Complex?

Updated on September 28, 2026 | Written by Alec Pow
This article was researched using 11 sources. See our methodology and corrections policy.

Building an apartment complex in the United States can cost roughly $280 to $650+ per square foot for the building construction itself in major markets, with the final development budget rising further once land, site work, architectural and engineering fees, permits, financing, utilities, parking, and other soft costs are added.

For a new 50-unit complex, a realistic project can therefore move well beyond $15 million and into the $20 million to $40 million+ range depending on location, unit size, parking, construction type, and amenities.

The easiest mistake is to treat an apartment development like 50 individual homes multiplied by a per-unit price. Developers pay for much more than the rentable apartments. Corridors, stairs, elevators, mechanical rooms, utility infrastructure, common spaces, landscaping, parking, stormwater systems, professional fees, financing costs, and the land itself can consume millions of dollars before the first tenant moves in.

Article Highlights

• Market-grade apartment construction runs roughly $280 to $650 (at $30 per hour, earning that amount would take about 1.2 to 2.7 full-time workdays, before taxes) per gross square foot across major U.S. markets before several major development expenses.
• A modeled 50-unit building can require roughly $16.5 million to $38.2 million for hard construction alone.
• That example equals approximately $329,000 to $765,000 per apartment before land and other excluded development costs.
• Structured or underground parking can add millions to a large apartment project.
• Land, financing, zoning, utilities, site work, professional fees, and regulatory requirements are some of the biggest costs missing from simple construction estimates.

How Much Does It Cost to Build an Apartment Complex?

Current apartment-construction estimates vary dramatically by city. A national construction cost study published in 2026 puts market-grade apartments between about $280 and $650 (about 1.2 to 2.7 full-time workdays at $30 per hour) per square foot across ten large U.S. markets.

Market	Apartment construction cost
Nashville	$280–$410/sq. ft.
Dallas	$310–$450/sq. ft.
Denver	$340–$490/sq. ft.
Washington, DC	$340–$500/sq. ft.
Los Angeles	$380–$560/sq. ft.
Seattle	$390–$560/sq. ft.
Boston	$400–$590/sq. ft.
Chicago	$410–$590/sq. ft.
San Francisco	$430–$620/sq. ft.
New York City	$450–$650/sq. ft.

Those are construction costs, not complete development budgets. The underlying estimate specifically excludes land acquisition, professional fees, permits, furniture, fixtures and equipment, soft costs, and site work. A developer therefore should not multiply a unit’s floor area by one of these rates and assume the result represents the finished project’s total cost.

The latest housing characteristics from the Census Bureau show why building type matters as well. Of the 484,000 multifamily units completed during 2025, 61% were in buildings with four floors or more. The median new rental unit contained approximately 1,000 square feet.

A small wood-framed suburban complex with surface parking may fall much closer to the bottom of the market range than a concrete urban tower with elevators and structured parking. Taller construction also introduces more expensive structural, fire-safety, vertical transportation, mechanical, and life-safety systems.

Cost by Project Size

A useful way to estimate an apartment project is to start with rentable square footage and then convert it to gross building area. Suppose a proposed complex has 50 apartments averaging 1,000 rentable square feet. That gives 50,000 rentable square feet.

If 85% of the building is rentable, dividing 50,000 by 0.85 produces about 58,824 gross square feet. Using the current market range of $280 to $650 (about 1.2 to 2.7 full-time workdays at $30 per hour) per square foot, construction comes to roughly $16.5 million to $38.2 million. Divide that by 50 apartments and the building-only construction cost is approximately $329,000 to $765,000 per unit.

Example project	Approximate hard construction
20 units, about 23,500 gross sq. ft.	$6.6 million–$15.3 million
50 units, about 58,800 gross sq. ft.	$16.5 million–$38.2 million
100 units, about 117,600 gross sq. ft.	$32.9 million–$76.5 million
200 units, about 235,300 gross sq. ft.	$65.9 million–$152.9 million

These are intentionally mechanical examples using the same 1,000-square-foot unit and 85% efficiency assumptions. They are not bids. Larger projects can gain purchasing efficiencies, while tall buildings, difficult sites, expensive markets, mixed-use space, and complex parking can move the cost in the opposite direction.

For comparison, building a single hotel property can involve many of the same elevators, commercial mechanical systems, fire protection, parking, permitting, and financing expenses, which is why commercial-scale buildings cannot be priced like ordinary houses.

What Drives the Budget

Location affects almost every line in the pro forma. Land, union requirements, prevailing wages, contractor availability, material logistics, permitting, insurance, taxes, and building codes all vary geographically. Current published construction ranges differ by more than $300 per square foot between some major U.S. markets.

Labor is a major part of that difference. U.S. Bureau of Labor Statistics building-industry earnings data showed average hourly earnings of $43.92 in July 2026. Production and nonsupervisory building-construction workers averaged $38.72 per hour. A contractor’s actual billed labor cost is higher after benefits, payroll taxes, insurance, supervision, overhead, and profit are included.

Materials and market conditions remain volatile as well. JLL’s midyear construction update identified labor, energy prices, tariffs, and geopolitical disruption as important 2026 cost pressures. Steel, electrical equipment, mechanical systems, glazing, concrete, lumber, and imported components do not necessarily move in the same direction at the same time.

Design and amenities can turn a basic project into a substantially more expensive one. Pools, clubhouses, rooftop terraces, gyms, coworking rooms, package rooms, elaborate landscaping, premium façades, luxury kitchens, larger windows, and higher-end finishes all raise the construction budget. Even an “unfurnished” unit still needs cabinetry, flooring, plumbing fixtures, lighting, appliances, HVAC, doors, windows, electrical systems, and finished bathrooms.

Accessibility also belongs in the design budget from the beginning. HUD’s multifamily design requirements address accessible routes, entrances, common areas, doors, environmental controls, bathroom reinforcement, and usable kitchens and bathrooms for covered properties. Treating compliance as a late redesign rather than a design requirement can become much more expensive.

The scale resembles other large civil and commercial projects more than a house build. For perspective, our guide to the cost of building a bridge shows the same basic lesson: site conditions, engineering, regulatory obligations, and ancillary infrastructure often matter as much as the visible structure.

The Hidden Price

The biggest hidden price is that “construction cost” and “total development cost” are not the same number. The published market-grade apartment rates above exclude several categories that developers still have to pay.

Land alone can move a project by millions. After acquisition come surveys, geotechnical testing, demolition where necessary, grading, utility connections, roads and sidewalks, stormwater management, landscaping, environmental work, and off-site improvements required by the municipality. A difficult parcel can therefore be cheap to buy but expensive to make buildable.

Regulation is broader than the permit fee paid at the counter. The National Multifamily Housing Council’s housing affordability research cites an estimate that regulation accounts for an average 40.6% of multifamily development cost. That figure includes zoning approval, fees, studies, development requirements, compliance, delays, and other regulatory effects, not simply the cost of a building permit.

Permit valuations themselves are often tied to construction-value benchmarks. The International Code Council explains that its building valuation data is updated twice yearly and is used by jurisdictions when calculating or evaluating permit fees. Local formulas still vary, so a developer needs the actual fee schedule for the city where the project will be built.

Parking can be another budget breaker. In the same Cumming construction study, above-grade parking structures range from approximately $24,000 to $65,000 per stall across the surveyed cities, while below-grade parking ranges from roughly $74,000 to $169,000 per stall. A 100-space garage at $40,000 per stall is already a $4 million construction item. Underground parking at $100,000 per stall turns the same 100 spaces into $10 million.

Financing then adds another layer. Construction-loan interest is paid while money is being drawn but before a fully occupied property is producing stabilized rent. Developers can also face lender fees, appraisal and legal expenses, interest reserves, extension fees, and permanent-loan closing costs. J.P. Morgan’s multifamily financing guidance notes that owners must manage both lease-up performance and debt-market conditions when transitioning from construction debt to permanent financing.

Controlling Construction Costs

The cheapest design is not automatically the best investment. The goal is to eliminate expenses tenants will not pay for while protecting durability, code compliance, operating efficiency, and rental appeal.

One of the most effective decisions happens before design begins: selecting a site whose zoning already supports the intended density. A cheap parcel that requires rezoning, major utility extensions, extensive retaining walls, environmental remediation, or years of entitlement work can cost more than a higher-priced buildable site.

Parking deserves the same early analysis. Replacing a portion of structured parking with permitted surface parking can save millions where land and zoning allow it. In dense urban areas, however, buying additional land for surface spaces may erase the savings. There is no universal cheapest parking strategy.

Repetition can also reduce complexity. Standardized unit layouts, stacked plumbing, repeated window sizes, conventional structural grids, and a limited finish package make purchasing and construction easier. Prefabricated components can help on appropriate projects, but they should be compared on total installed cost and schedule rather than assumed to be cheaper automatically.

The construction team should also price major systems while the design is still flexible. Waiting until documents are nearly complete to discover that the façade, HVAC system, electrical gear, or structural scheme exceeds the target budget usually produces expensive redesign work.

Financing strategy matters too. HUD states that Section 221(d)(4) financing can support qualifying new rental projects of five or more units through FHA-insured mortgages, including long-term financing of up to 40 years. It is a specialized program with underwriting and program requirements, not an automatic funding source for every developer.

For a large project, percentage savings become real money quickly. Cutting 5% from a $30 million hard-cost budget saves $1.5 million. At earnings of $30 per hour, that saving alone represents 50,000 hours of work. The biggest economies therefore usually come from site choice, building geometry, parking, structural system, procurement, and schedule rather than choosing a slightly cheaper refrigerator.

Luxury concepts deserve particular discipline. Just as the cost to build a castle rises rapidly when custom architectural features multiply, complex façades, unusual footprints, premium common areas, and one-off finishes reduce the repetition that makes multifamily construction efficient.

What We Verified

We checked the price backbone against 2026-published construction-market data rather than carrying forward older apartment-building averages. Market-grade apartment rates came from a study comparing ten U.S. cities, while the latest Census multifamily data was used to check unit sizes and the type of buildings actually being completed. Construction-cost pressures were cross-checked against JLL’s 2026 outlook and federal labor data.

We also checked costs that are easy to omit from a simple square-foot estimate. Regulatory burden was compared with current NMHC affordability material, accessibility requirements with HUD guidance, and permit valuation practices with ICC information. Current market demand is not assumed to guarantee profitability: CBRE’s Q2 multifamily figures show strong absorption and slowing completions nationally, but rents, vacancy, construction costs, financing, and achievable returns still vary substantially by local market and individual project.

Answers to Common Questions

How much does a 50-unit apartment complex cost to build?
Using 50 apartments averaging 1,000 rentable square feet, 85% building efficiency, and current major-market construction costs, the hard construction portion works out to approximately $16.5 million to $38.2 million. Land, site work, permits, professional fees, financing, and other soft costs come on top of that.

How much does it cost to build an apartment per unit?
Our standardized 2026 example produces approximately $329,000 to $765,000 per unit in building construction before excluded development expenses. Actual per-unit costs vary sharply with city, unit size, height, parking, construction system, amenities, and project efficiency.

How much does an apartment building cost per square foot?
Current published market-grade apartment estimates across major U.S. cities run approximately $280 to $650 per square foot. The lower end appears in markets such as Nashville, while New York City and San Francisco sit near the upper end.