Bathroom Addition in Hillsboro, OR — Costs $22,880 to $102,960

What does bathroom addition cost in Hillsboro? Average $51,480, ranging $22,880–$102,960. Labor runs $35.4/hr locally — 14% above the national average. Free breakdown with material + labor split.

Hillsboro, OR Market

+14% vs national

Labor Rate

$35.4/hr

Material Index

110

Avg Permit Cost

$1,408

Median Home Price

$443,953

Hillsboro is a mid-sized city in Oregon 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 Hillsboro 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 Hillsboro is valued at $443,953, putting this project at about 11.6% of home value — a moderate investment with a projected 58% ROI.

Low Estimate

$22,880

National: $20,000

Mid-Range

$51,480

National: $45,000

High End

$102,960

National: $90,000

Per Sq Ft

$458

National: $400

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

Bathroom Addition Cost Calculator for Hillsboro

Adjusted for Hillsboro's labor rate ($35.4/hr) and material costs (index 110).

50 sq ft1,000 sq ft

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

Estimated Total in Hillsboro

$51,480

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

Local Cost Breakdown

Labor (55%)$28,314

At Hillsboro's average rate of $35.4/hr (18% above national avg)

Materials (45%)$23,166

Material cost index 110 (10% above national baseline of 100)

Bathroom Addition vs. Home Value in Hillsboro

MetricHillsboroNational Avg
Bathroom Addition (Mid-Range)$51,480$45,000
Median Home Price$443,953$350,000
Project as % of Home Value11.6%12.9%
Estimated ROI58%58%
Median Household Income$69,054$75,000

What Affects the Price in Hillsboro

  • 1Local labor rates ($35.4/hr in Hillsboro)
  • 2Material cost index (110 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 Hillsboro

Building permits are typically required for a bathroom addition in Hillsboro. The average permit fee in this area is $1,408, 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 Hillsboro, skilled contractors charge an average of $35.4/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

For the median Hillsboro household earning $69,054/year, this project at $51,480 represents a significant investment. Consider financing options or phasing the work to spread costs over time.

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