Bathroom Addition in Joliet, IL — Costs $21,746 to $97,859
What does bathroom addition cost in Joliet? Average $48,929, ranging $21,746–$97,859. Labor runs $33.29/hr locally — 9% above the national average. Free breakdown with material + labor split.
Joliet, IL Market
+9% 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 bathroom 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 (25.9% of home value) carefully against expected returns to avoid over-improving for the local market.
Low Estimate
$21,746
National: $20,000
Mid-Range
$48,929
National: $45,000
High End
$97,859
National: $90,000
Per Sq Ft
$435
National: $400
Bathroom 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
$48,929
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)
Bathroom Addition vs. Home Value in Joliet
| Metric | Joliet | National Avg |
|---|---|---|
| Bathroom Addition (Mid-Range) | $48,929 | $45,000 |
| Median Home Price | $188,998 | $350,000 |
| Project as % of Home Value | 25.9% | 12.9% |
| Estimated ROI | 58% | 58% |
| 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)
- 3Location (new vs converted space)
- 4Plumbing distance
- 5Full vs half bath
- 6Fixture quality
Popular Upgrades
- Walk-in shower
- Double vanity
- Heated floors
Other Projects in Joliet, IL
Kitchen Remodel
$45,354
Master Bathroom Remodel
$30,306
Bathroom Remodel
$19,482
Mudroom Addition
$16,273
Second Story Addition
$216,967
Accessory Dwelling Unit (ADU) Construction
$162,725
Room Addition
$97,635
Home Addition
$86,588
Bathroom Addition in Other Illinois Cities
Planning a Bathroom Addition in Joliet
Building permits are typically required for a bathroom 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 6-10 weeks from start to finish.
A bathroom 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 $48,929 project requires careful budgeting. Look into home improvement loans, HELOC options, or local grants that may be available in Illinois.
Bathroom Addition — National Guide
See the full national cost guide with DIY tips, cost factors, and ROI analysis.
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