Construction Costs in Decatur, IL 2026

Estimate renovation and building costs in Decatur. Local labor rates average $33.17/hr with a material cost index of 106.

$33.17

Avg Labor Rate/hr

106

Material Cost Index

$186,737

Avg Home Price

99

Cost of Living Index

Decatur Overview

Population

69,711

Climate Zone

Cool-Humid (Zone 5)

Seismic Risk

low

Median Household Income

$55,761

Decatur Remodeling Cost Estimator

Leave blank for typical kitchen remodel size

Cost Breakdown

Materials$22,260
Labor$17,027
Permits (4%)$1,571

Estimated Total Cost

$40,858

Mid-range Kitchen Remodel — 280 sq ft in Decatur

Materials

$22,260

54% of total

Labor

$17,027

42% of total

Permits

$1,571

~$856 avg

9% Above National Average

The same kitchen remodel at the national average would cost approximately $37,492. Decatur has higher-than-average construction costs due to local demand and cost of living.

View Illinois Statewide Costs

Compare Decatur costs with the Illinois state average and other cities.

Project Cost Comparison: Decatur vs National Average

Project TypeDecatur AverageNational AverageDifference
Kitchen Remodel$45,287$35,000+29%
Bathroom Remodel$19,500$18,000+8%
Roof Replacement$16,000$15,000+7%
Whole House Paint$4,100$3,800+8%
Flooring Install$7,500$7,000+7%
Deck Build$13,000$12,000+8%

Material Prices in Decatur

Concrete

$150 /cubic yard

$2 above the estimated Illinois average of $148/yd³

Lumber

$5.74 /board foot

$0.09 below the estimated Illinois average of $5.83/BF

Popular Projects in Decatur

🌳

#1 Landscaping

Among the most requested projects by Decatur homeowners

🚿

#2 Bathroom Renovation

Among the most requested projects by Decatur homeowners

🎨

#3 Interior Painting

Among the most requested projects by Decatur homeowners

Construction Cost Overview for Decatur, IL

Construction and renovation costs in Decatur, IL reflect the city's cost of living index of 99 and a material cost index of 106 (where 100 represents the national baseline). With an average construction labor rate of $33.17 per hour and a median home price of $186,737, homeowners in Decatur should plan their renovation budgets carefully using local pricing data.

Decatur sits in IECC Climate Zone 5 (Cool-Humid), which influences insulation requirements, HVAC sizing, and overall material choices for both new construction and remodeling projects. Low seismic risk — standard building codes apply. The median household income of $55,761 in Decatur means that a mid-range kitchen remodel at $45,287 represents approximately 81% of annual household income.

Building permits in Decatur average $856, varying by project scope and local building department requirements. Major renovations involving structural, electrical, or plumbing work require permits in virtually all Illinois jurisdictions. Scheduling projects during off-peak seasons can save 5-15% on labor costs as contractors have greater availability.

Other Cities in Illinois

Methodology & Construction Data Sources

How we calculate Decatur construction costs: Our cost estimates integrate federal labor and materials data with Decatur-specific cost indexes. All figures represent 2026 market conditions using the methodology below.

  1. Labor rates sourced from BLS Occupational Employment and Wage Statistics for construction and extraction occupations in the Illinois metro area.
  2. Materials pricing based on BLS Producer Price Index (PPI) for Construction Materials, tracking lumber, concrete, steel, and roofing material costs quarterly.
  3. Building permit costs estimated using HUD Affordable Housing Resources and local jurisdiction fee schedules for Decatur.
  4. Regional cost adjustment uses RSMeans 2026 City Cost Indexes, calibrated to the Illinois labor and materials market.
  5. Building codes and standards cross-referenced with EPA Renovation, Repair and Painting (RRP) Rules and OSHA Construction Safety Standards.

Authoritative construction cost data sources:

Cost Disclaimer: Estimates represent typical ranges for Decatur based on 2026 market data. Actual project costs depend on site conditions, design complexity, contractor availability, material grades, and permitting timelines. Always obtain 3+ contractor bids before committing to any project. Prices can vary ±20–35% from estimates.

Reviewed by Brazora Monk · Last updated 2026 · BLS PPI & RSMeans data current as of latest annual release

Frequently Asked Questions

How much does a kitchen remodel cost in Decatur, IL?
A mid-range kitchen remodel in Decatur, IL costs approximately $45,287 on average. Budget renovations start around $31,701, while premium remodels with custom cabinetry and high-end appliances can reach $67,931 or more. Labor rates in Decatur average $33.17/hour for general construction work.
What is the average construction labor rate in Decatur?
Construction labor in Decatur, IL averages $33.17 per hour. This is 9% above the national average. Specialized trades like licensed electricians and master plumbers typically charge 25-45% more than general construction labor rates.
Do I need a building permit for home renovations in Decatur?
Most significant renovations in Decatur, IL require building permits. Permit costs average around $856 depending on project scope. Projects involving structural changes, electrical rewiring, plumbing modifications, or additions almost always require permits. Cosmetic updates like interior painting, replacing fixtures, or installing new flooring typically do not.
How does Decatur's cost of living affect construction costs?
Decatur has a cost of living index of 99 (national average = 100), which directly impacts construction costs. Higher cost of living means higher labor rates, material delivery costs, and permit fees. The material cost index in Decatur is 106, reflecting local supply chain dynamics and demand levels.
What are the most popular home improvement projects in Decatur?
The most popular construction and renovation projects in Decatur, IL include Landscaping, Bathroom Renovation, Interior Painting. Kitchen remodels offer the highest ROI in Decatur at approximately 60-75% of cost recovery upon resale. Bathroom renovations and roof replacements are also top priorities for Decatur homeowners looking to increase property value.

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