Bathroom Addition in Phoenix, AZ — Costs $20,794 to $93,575

What does bathroom addition cost in Phoenix? Average $46,787, ranging $20,794–$93,575. Labor runs $31.43/hr locally — 4% above the national average. Free breakdown with material + labor split.

Phoenix, AZ Market

+4% vs national

Labor Rate

$31.43/hr

Material Index

103

Avg Permit Cost

$1,721

Median Home Price

$391,265

As one of the largest metros in Arizona, Phoenix has a competitive contractor market with hundreds of licensed professionals. This typically gives homeowners more leverage on pricing, though high demand for renovations can offset that advantage. Costs in Phoenix run slightly above the national average, though the gap is modest enough that smart material choices and timing can close it. The median home in Phoenix is valued at $391,265, putting this project at about 12.0% of home value — a moderate investment with a projected 58% ROI.

Low Estimate

$20,794

National: $20,000

Mid-Range

$46,787

National: $45,000

High End

$93,575

National: $90,000

Per Sq Ft

$416

National: $400

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

Bathroom Addition Cost Calculator for Phoenix

Adjusted for Phoenix's labor rate ($31.43/hr) and material costs (index 103).

50 sq ft1,000 sq ft

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

Estimated Total in Phoenix

$46,787

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

Local Cost Breakdown

Labor (55%)$25,733

At Phoenix's average rate of $31.43/hr (5% above national avg)

Materials (45%)$21,054

Material cost index 103 (3% above national baseline of 100)

Bathroom Addition vs. Home Value in Phoenix

MetricPhoenixNational Avg
Bathroom Addition (Mid-Range)$46,787$45,000
Median Home Price$391,265$350,000
Project as % of Home Value12.0%12.9%
Estimated ROI58%58%
Median Household Income$81,769$75,000

What Affects the Price in Phoenix

  • 1Local labor rates ($31.43/hr in Phoenix)
  • 2Material cost index (103 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 Phoenix

Building permits are typically required for a bathroom addition in Phoenix. The average permit fee in this area is $1,721, 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 Phoenix, skilled contractors charge an average of $31.43/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

With a median household income of $81,769, many Phoenix residents can budget for this project through savings. The mid-range cost of $46,787 represents 57% of the typical household's annual income.

Explore All Project Cost Guides

Compare costs across 120+ home improvement projects in 3,636 cities nationwide.

View All Project Costs

Frequently Asked Questions

Related Calculators