How Much Does Bathroom Addition Cost in Arizona?

Arizona pricing is near the national average. Updated for 2026.

Low End
$14,250
Average
$28,500
High End
$47,500
per bathroom

Bathroom Addition Pricing in Arizona

In Arizona, the average cost for bathroom addition is $28,500 per bathroom, which is 5% lower than the national average of $30,000. Most Arizona residents pay between $14,250 and $47,500.

Arizona has costs that track closely with the national average, though prices can still vary between urban and rural areas within the state.

Adding a new bathroom to your home involves plumbing, electrical, framing, flooring, fixtures, and finishing. A half bath is significantly cheaper than a full bathroom with shower/tub.

Arizona vs National Average

Arizona Average
$28,500
National Average
$30,000
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What Affects Bathroom Addition Cost in Arizona?

Type

Half bath: $10K-$25K. Full bath: $20K-$50K. Master suite: $35K-$75K

Plumbing

Near existing plumbing: saves $2K-$5K vs running new lines across the house

๐Ÿ“ Bathroom Addition in Arizona Cost Calculator

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Top-Rated Bathroom Addition Pros in Arizona

5 providers

Artisan Home Design

โœ… VERIFIED
โ˜…โ˜…โ˜…โ˜…โ˜…4.3(76 reviews)
๐Ÿ“ Serving all of AZ๐Ÿ—๏ธ Since 2017
โœ“ Licensedโœ“ InsuredBBB: A+โšก Usually responds in 2 hours

Craftsman Builders

โ˜…โ˜…โ˜…โ˜…โ˜…4.7(143 reviews)
๐Ÿ“ Serving all of AZ๐Ÿ—๏ธ Since 1996
โœ“ Licensedโœ“ InsuredBBB: A+

Signature Home Design

โ˜…โ˜…โ˜…โ˜…โ˜…4.7(20 reviews)
๐Ÿ“ Serving all of AZ๐Ÿ—๏ธ Since 2014
โœ“ Licensedโœ“ InsuredBBB: A+

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๐Ÿ’ก Tips to Save on Bathroom Addition in Arizona

  • 1.A half bath costs 40-60% less than a full bath
  • 2.Building near existing plumbing (above a basement bathroom) saves significantly
  • 3.Standard fixtures from big box stores keep costs down
  • 4.Consider converting a closet into a half bath for the simplest option

๐Ÿ“ˆ Bathroom Addition in Arizona Cost Trends (2022โ€“2026)

Prices have increased +17.7% over the last 5 years

$24,207
2022
$25,224
2023
$26,864
2024
$27,616
2025
$28,500
2026
YearNational AvgYoY Change
2022$24,207โ€”
2023$25,224+4.2%
2024$26,864+6.5%
2025$27,616+2.8%
2026$28,500+3.2%

Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.

๐Ÿ’ฌ What Did You Pay?

Real costs reported by homeowners for Bathroom Addition in Arizona

$28,768
Avg Reported
$20,138
Lowest Reported
$41,714
Highest Reported

Recent Reports

$23,074
Dallas, TX ยท Jan 2026
โ˜…โ˜…โ˜…โ˜†โ˜†
$32,319
Chicago, IL ยท Feb 2026
โ˜…โ˜…โ˜…โ˜…โ˜†
$23,826
Phoenix, AZ ยท Mar 2026
โ˜…โ˜…โ˜…โ˜…โ˜…
$35,112
Denver, CO ยท Apr 2026
โ˜…โ˜…โ˜…โ˜†โ˜†
$24,909
Atlanta, GA ยท May 2026
โ˜…โ˜…โ˜…โ˜…โ˜†
$37,552
Seattle, WA ยท Jun 2026
โ˜…โ˜…โ˜…โ˜…โ˜…

Frequently Asked Questions

Does adding a bathroom increase home value?

Yes โ€” adding a full bathroom can increase home value by 10-20%. A half bath adds 5-10%. One of the best ROI home improvements.

Bathroom Addition Cost in Other States

Related Cost Guides for Arizona

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