How Much Does Bathroom Addition Cost in Bellevue, WA?

Bellevue pricing is 40% above the national average. Updated for 2026.

Based on local labor rates, varied climate conditions, and Bellevue's diversified economy.See our methodology

Low End
$21,000
Average
$42,000
High End
$70,000
per bathroom
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Bathroom Addition Pricing in Bellevue, WA

Bellevue is a high-cost market where bathroom addition runs about 40% above the national average. The city's diversified economy supports higher wages, which translates to elevated contractor rates. With a population of 150K, competition among providers exists but demand keeps prices firm.

Local climate plays a direct role in bathroom addition costs here. Heavy rainfall requires excellent moisture management for roofing and foundations.

Market-specific factors matter in Bellevue: environmental regulations may affect building materials and methods.

Bellevue has moderate permitting requirements. Depending on the scope of your bathroom addition project, you may need local permits. A licensed contractor will handle the permitting process as part of the job in most cases.

Bellevue vs National Average

Bellevue Average
$42,000
National Average
$30,000
Difference
+40%
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What Affects Bathroom Addition Cost in Bellevue?

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

Bellevue Market Conditions

environmental regulations may affect building materials and methods

Local Climate Impact

heavy rainfall requires excellent moisture management for roofing and foundations

๐Ÿ“ Bathroom Addition in Bellevue Cost Calculator

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Top-Rated Bathroom Addition Pros in Bellevue, WA

7 providers

NextLevel Renovations

โญ PREMIUM
โ˜…โ˜…โ˜…โ˜…โ˜…4.1(110 reviews)
๐Ÿ“ 263 Market St, Bellevue, WA๐Ÿ—๏ธ Since 2020
โœ“ Licensedโœ“ Insuredโšก Usually responds in 1 hours

Serving Bellevue and surrounding areas since 2020. Licensed, insured, and committed to quality workmanship at fair prices.

Artisan Construction

โญ PREMIUM
โ˜…โ˜…โ˜…โ˜…โ˜…4(60 reviews)
๐Ÿ“ 994 Center St, Bellevue, WA๐Ÿ—๏ธ Since 1994
โœ“ Licensedโœ“ InsuredBBB: A+โšก Usually responds in 1 hours

Serving Bellevue and surrounding areas since 1994. Licensed, insured, and committed to quality workmanship at fair prices.

BuildRight Kitchen & Bath

โœ… VERIFIED
โ˜…โ˜…โ˜…โ˜…โ˜…4.3(80 reviews)
๐Ÿ“ 259 Pine Rd, Bellevue, WA๐Ÿ—๏ธ Since 2014
โœ“ Licensedโœ“ InsuredBBB: Aโšก Usually responds in 3 hours

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Tips to Save on Bathroom Addition in Bellevue

  • 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
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๐Ÿ“ˆ Bathroom Addition in Bellevue Cost Trends (2020โ€“2024)

Prices have increased +17.7% over the last 5 years

$35,675
2020
$37,173
2021
$39,589
2022
$40,698
2023
$42,000
2024
YearNational AvgYoY Change
2020$35,675โ€”
2021$37,173+4.2%
2022$39,589+6.5%
2023$40,698+2.8%
2024$42,000+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 Bellevue

$40,907
Avg Reported
$28,635
Lowest Reported
$59,315
Highest Reported

Recent Reports

$41,802
Dallas, TX ยท Jan 2024
โ˜…โ˜…โ˜…โ˜†โ˜†
$41,257
Chicago, IL ยท Feb 2024
โ˜…โ˜…โ˜…โ˜†โ˜†
$35,261
Phoenix, AZ ยท Mar 2024
โ˜…โ˜…โ˜…โ˜†โ˜†
$49,449
Denver, CO ยท Apr 2024
โ˜…โ˜…โ˜…โ˜…โ˜…
$34,128
Atlanta, GA ยท May 2024
โ˜…โ˜…โ˜…โ˜†โ˜†
$49,132
Seattle, WA ยท Jun 2024
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.

Why does bathroom addition cost different in Bellevue than other cities?

Bellevue's costs reflect local labor rates driven by the diversified economy, varied climate conditions that affect materials and scheduling, and moderate permitting requirements. The balanced labor market also influences competitive pricing.

Bathroom Addition Cost in Nearby Cities

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