Second Story Addition in Joliet, IL — Costs $86,787 to $542,417
What does second story addition cost in Joliet? Average $216,967, ranging $86,787–$542,417. Labor runs $33.29/hr locally — 8% above the national average. Free breakdown with material + labor split.
Joliet, IL Market
+8% vs nationalLabor Rate
$33.29/hr
Material Index
106
Avg Permit Cost
$1,030
Median Home Price
$188,998
Joliet is a mid-sized city in Illinois with a healthy pool of local contractors. Homeowners generally have several options to compare for a second story addition, which helps keep pricing competitive. Costs in Joliet run slightly above the national average, though the gap is modest enough that smart material choices and timing can close it. At a median home price of $188,998, homeowners in Joliet should weigh the project cost (114.8% of home value) carefully against expected returns to avoid over-improving for the local market.
Low Estimate
$86,787
National: $80,000
Mid-Range
$216,967
National: $200,000
High End
$542,417
National: $500,000
Per Sq Ft
$325
National: $300
Second Story Addition Cost Calculator for Joliet
Adjusted for Joliet's labor rate ($33.29/hr) and material costs (index 106).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Joliet
$216,967
Based on 200 sq ft at mid quality, adjusted for Joliet market rates.
Local Cost Breakdown
At Joliet's average rate of $33.29/hr (11% above national avg)
Material cost index 106 (6% above national baseline of 100)
Second Story Addition vs. Home Value in Joliet
| Metric | Joliet | National Avg |
|---|---|---|
| Second Story Addition (Mid-Range) | $216,967 | $200,000 |
| Median Home Price | $188,998 | $350,000 |
| Project as % of Home Value | 114.8% | 57.1% |
| Estimated ROI | 60% | 60% |
| Median Household Income | $49,613 | $75,000 |
What Affects the Price in Joliet
- 1Local labor rates ($33.29/hr in Joliet)
- 2Material cost index (106 vs national 100)
- 3Total square footage added
- 4Structural reinforcement of first floor
- 5Staircase addition
- 6Roof removal and replacement
Popular Upgrades
- Master suite
- Additional bedrooms
- Jack-and-Jill bathroom
Other Projects in Joliet, IL
Accessory Dwelling Unit (ADU) Construction
$162,725
Room Addition
$97,635
Swimming Pool Installation
$70,191
Garage Addition
$59,666
Home Addition
$86,588
Inground Swimming Pool
$70,030
Attic Conversion
$59,802
Swimming Pool Construction
$54,366
Second Story Addition in Other Illinois Cities
Planning a Second Story Addition in Joliet
Building permits are typically required for a second story addition in Joliet. The average permit fee in this area is $1,030, though costs vary based on project scope. Permit fees in this market are above average — factor them into your total budget. Plan for 4-8 months from start to finish.
A second story addition is a complex project best left to licensed professionals. In Joliet, skilled contractors charge an average of $33.29/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
In Joliet, where the median household income is $49,613, a $216,967 project requires careful budgeting. Look into home improvement loans, HELOC options, or local grants that may be available in Illinois.
Second Story Addition — National Guide
See the full national cost guide with DIY tips, cost factors, and ROI analysis.
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