It costs anywhere from $250,000 to $450,000 to build a custom home in Illinois. And that’s just for construction! Land costs can add a hefty $29,300 per acre. Let’s not forget about the rising costs of permits, materials, and labor fees.
In contrast, buying a new construction home in the Prairie State is a faster and more cost-effective option. With 21.7% of homes with price drops, now is the perfect time to find your dream home!
Cost Breakdown of Building a Home in Illinois
For an average house size of 3,000 sq ft in Illinois, the average cost is $200 per square foot. Here is a cost breakdown:
| Cost Head | Average Costs |
| Land Cost | $29,300 per acre |
| Water and Sewer Inspections | $270 – $1,737 |
| Building Permits | Minimum $100 |
| Foundation | $6 per sq ft |
| Framing | $20,000 – $50,000 |
| Exterior Siding | $2.99- $5.85 per sq ft |
| Roofing | $158 – $1,778 per 100 sq ft |
| AC Installation | $3,527 – $4,640 |
| Plumbing | $67 – $77 per hour plus materials |
| Electrical | $128.45 – $146.23 |
| Drywall | $1.55 – $1.66 per sq ft |
| Painting | $1.46 – $3.80 per sq ft |
*Source for other costs: ProMatcher
What’s the Area-Wise Cost to Build a House in Illinois?
Illinois home construction costs depend on the square footage of your home:
*The cost range has been calculated at an average of $200 per sq ft.
Material Cost of Building a House in Illinois
You can expect to spend about $50 per square foot on material costs. Here are the material expenses you need to consider to build your home in Illinois:
- Framing Materials: Foundation, lumber, and steel beams will require about $20,000 to $50,000.
- Roof Installation: The roofing cost depends on the type of material you select, the roof’s slope, and the size of your home. Here are the Illinois home roofing prices per square foot for various materials:
- Exterior Painting: Prices may vary based on your choice of exterior. On average, it ranges from $2.10 – $3.25 per square foot.
- Insulation: Fiberglass, drywall, and foam insulation help regulate the temperature inside your home. It costs $0.84 to $2.47 per square foot.
- Windows & Doors: If you hire a professional to install windows and doors, it will cost from $158 to $860, depending on the material and its uses.
- Flooring Materials: The cost of wood flooring installation in Illinois ranges between $6.52 and $9.15 per square foot.
- Cabinets & Countertops: Features like granite counterparts and teak wood cabinets in Kitchen may cost between $38 and $44 per box.
- Plumbing Fixtures: The cost to install sinks, faucets, showers, and PVC pipes throughout a home is between $43.50 and $51.50 per hour plus materials.
Labor Cost to Build a Home in Illinois
A contractor can help you hire laborers and professionals for the construction process. Their work and associated costs include:
| Professionals | Hourly Rate |
| Flooring Installers | $22.65 |
| Roofers | $28.33 |
| Painters | $22.00 |
| Brick Masons | $28.98 |
| Landscapers | $18.41 |
| General Contractors | $29.58 |
| Plumbers | $34.75 |
| Carpenters | $25.50 |
| HVAC Technicians | $29.84 |
| Structural Engineers | $43.64 |
| Electricians | $30.60 |
*Source: Indeed
What Are the Indirect Costs to Build a House in Illinois?
Indirect costs are incurred before the construction starts or after you move into the house. They include land costs, permit costs, interiors, etc.
1. Land Acquisition Costs: $32,000 Per Acre
Before you build your house in Illinois, you need to shop for land. The costs are:
- Purchase Cost: The average price per acre in Illinois is $29,300. This depends on the size and location of the land.
- Preparation Cost: You must clear and level the land before the construction. This can cost anywhere between $1,500 and $3,000.
2. Illinois Home Building Permit Costs: $3,000
The cost per square foot to build a home in Illinois includes permit fees. Construction or building permits are legal documents that authorize the construction process.
Permit costs and building codes are usually based on the construction type, occupancy type, home building area, and project scope. Some permits you may need, along with their average costs, are:
- Building Permit: Minimum $100
- HVAC Permit: $250 to $400
- Plumbing Permit: $50 to $500
- Electrical Permit: $10 to $500
3. Home Interiors: $88 – $100 Per Hour (Plus Materials)
Before you move into your new home, you’ll need furniture, electronics, kitchen appliances, and bathroom essentials.
The costs will depend upon your preferences and the quality of the finish. For a 2,000 sq ft home, you should budget at least $20,000 for interior furnishings.
How Can You Finance Your Home Construction in Illinois?
You’re required to have a high credit score (above 480) and enough cash to make a 10% down payment of the project cost.
1. Home Construction Loans
The two most prominent home construction loans are:
- Construction-to-Permanent Loan: This loan covers land purchases and home-building costs. It is converted to a conventional loan after the construction is complete, and you move into the house.
- Construction-only Loan: It only covers the cost of home building. Your entire loan amount will be due after your home is ready. You can pay back the loan in cash or take out a mortgage.
2. Home Equity Loan
If you have home equity, you can finance some or all of your new home’s construction with a home equity loan.
Your home equity is the difference between your property’s fair market value and the remaining loan amount.
Is It Cheaper to Build or Buy a House in Illinois?
It is usually cheaper to buy a home than to build a new one. However, by building your own home, you have the freedom to customize it to your needs.
The average price to build a house in Illinois is $380,189. This amount can go beyond $500,000 if you include land costs, excavations, permits, and other expenses. Moreover, new home construction can take up to 9 to 12 months.
On the other hand, homes in Illinois cost a median of $289,700. You can also easily find homes for sale in Illinois under 300K in 1.5 to 2 months. So, buying a turnkey home is not just cheaper but also faster in the current Illinois housing market.
Cost to Build vs. Cost to Buy in Illinois Cities
Let’s compare the cost to build a house and the cost to buy a house in Illinois’s most popular cities:
| City | Average Cost to Build (Including Land) | Average Cost to Buy |
| Chicago ($200 per sq ft) | $630,000* | $370,000 |
| Illinois City ($150 per sq ft) | $480,000* | $266,000 |
*The average cost has been calculated for an average-sized home of 3,000 sq ft.
Clearly, the cost to build a house is higher than the cost to buy one. If you buy a home for sale in Illinois, you can move in quickly and renovate it as you wish.
Disclaimer: The content in this blog post is for informational purposes only. It should not be construed as advice or recommendation. Houzeo does not provide any legal or financial advice. The figures mentioned in this blog post are the estimated average costs for the state/city in question. They are applicable as of the date the blog was written. Actual costs may vary depending on various factors, including location, specific building plans, materials used, labor costs, permits, and other local factors.
Please consult with local builders, contractors, and architects to obtain accurate and up-to-date pricing information for your specific project.
Frequently Asked Questions
What does it cost to build a house in Illinois?
It costs $250,000 to $450,000 on average, excluding the land cost. This will vary depending on location, property type, labor expenses, material costs, etc.
How much does it cost to build a house per square foot in Illinois?
Building a house in Illinois costs about $120 to $200 per square foot. Home-building costs depend on property type, construction area, labor costs, etc.
How much is the cost per sq ft to build in Chicago, Illinois?
The house construction costs in Chicago can be anywhere between $200 per square foot. You can check the complete cost breakdown and plan your budget.
