Bathroom Addition in Green Bay, WI — Costs $20,385 to $91,731

What does bathroom addition cost in Green Bay? Average $45,866, ranging $20,385–$91,731. Labor runs $31.54/hr locally — 2% above the national average. Free breakdown with material + labor split.

Green Bay, WI Market

+2% vs national

Labor Rate

$31.54/hr

Material Index

98

Avg Permit Cost

$1,195

Median Home Price

$205,060

Green Bay is a mid-sized city in Wisconsin 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 Green Bay 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 $205,060, homeowners in Green Bay should weigh the project cost (22.4% of home value) carefully against expected returns to avoid over-improving for the local market.

Low Estimate

$20,385

National: $20,000

Mid-Range

$45,866

National: $45,000

High End

$91,731

National: $90,000

Per Sq Ft

$408

National: $400

Duration: 6-10 weeks
DIY: Hard
Permits: Required
ROI: 58%

Bathroom Addition Cost Calculator for Green Bay

Adjusted for Green Bay's labor rate ($31.54/hr) and material costs (index 98).

50 sq ft1,000 sq ft

Mid-grade materials, good quality fixtures, standard options.

Estimated Total in Green Bay

$45,866

Based on 200 sq ft at mid quality, adjusted for Green Bay market rates.

Local Cost Breakdown

Labor (55%)$25,226

At Green Bay's average rate of $31.54/hr (5% above national avg)

Materials (45%)$20,640

Material cost index 98 (2% below national baseline of 100)

Bathroom Addition vs. Home Value in Green Bay

MetricGreen BayNational Avg
Bathroom Addition (Mid-Range)$45,866$45,000
Median Home Price$205,060$350,000
Project as % of Home Value22.4%12.9%
Estimated ROI58%58%
Median Household Income$62,689$75,000

What Affects the Price in Green Bay

  • 1Local labor rates ($31.54/hr in Green Bay)
  • 2Material cost index (98 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

Planning a Bathroom Addition in Green Bay

Building permits are typically required for a bathroom addition in Green Bay. The average permit fee in this area is $1,195, 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 Green Bay, skilled contractors charge an average of $31.54/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

For the median Green Bay household earning $62,689/year, this project at $45,866 represents a significant investment. Consider financing options or phasing the work to spread costs over time.

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