Bathroom Addition in Westminster, CO — Costs $24,874 to $111,932

What does bathroom addition cost in Westminster? Average $55,966, ranging $24,874–$111,932. Labor runs $42.31/hr locally — 24% above the national average. Free breakdown with material + labor split.

Westminster, CO Market

+24% vs national

Labor Rate

$42.31/hr

Material Index

104

Avg Permit Cost

$1,601

Median Home Price

$445,000

Westminster is a mid-sized city in Colorado with a healthy pool of local contractors. Homeowners generally have several options to compare for a bathroom addition, which helps keep pricing competitive. At 24% above the national average, Westminster is one of the more expensive markets for home improvement — driven primarily by above-average labor rates in the region. The median home in Westminster is valued at $445,000, putting this project at about 12.6% of home value — a moderate investment with a projected 58% ROI.

Low Estimate

$24,874

National: $20,000

Mid-Range

$55,966

National: $45,000

High End

$111,932

National: $90,000

Per Sq Ft

$497

National: $400

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

Bathroom Addition Cost Calculator for Westminster

Adjusted for Westminster's labor rate ($42.31/hr) and material costs (index 104).

50 sq ft1,000 sq ft

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

Estimated Total in Westminster

$55,966

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

Local Cost Breakdown

Labor (55%)$30,781

At Westminster's average rate of $42.31/hr (41% above national avg)

Materials (45%)$25,185

Material cost index 104 (4% above national baseline of 100)

Bathroom Addition vs. Home Value in Westminster

MetricWestminsterNational Avg
Bathroom Addition (Mid-Range)$55,966$45,000
Median Home Price$445,000$350,000
Project as % of Home Value12.6%12.9%
Estimated ROI58%58%
Median Household Income$72,000$75,000

What Affects the Price in Westminster

  • 1Local labor rates ($42.31/hr in Westminster)
  • 2Material cost index (104 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 Westminster

Building permits are typically required for a bathroom addition in Westminster. The average permit fee in this area is $1,601, 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 Westminster, skilled contractors charge an average of $42.31/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

For the median Westminster household earning $72,000/year, this project at $55,966 represents a significant investment. Consider financing options or phasing the work to spread costs over time.

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