Room Addition in Tempe, AZ — Costs $33,472 to $191,267

What does room addition cost in Tempe? Average $86,070, ranging $33,472–$191,267. Labor runs $28.28/hr locally — 4% below the national average. Free breakdown with material + labor split.

Tempe, AZ Market

-4% vs national

Labor Rate

$28.28/hr

Material Index

97

Avg Permit Cost

$1,479

Median Home Price

$421,717

Tempe is a mid-sized city in Arizona with a healthy pool of local contractors. Homeowners generally have several options to compare for a room addition, which helps keep pricing competitive. Tempe offers slightly below-average renovation costs, giving homeowners a small cost advantage compared to most US markets. The median home in Tempe is valued at $421,717, putting this project at about 20.4% of home value — a moderate investment with a projected 55% ROI.

Low Estimate

$33,472

National: $35,000

Mid-Range

$86,070

National: $90,000

High End

$191,267

National: $200,000

Per Sq Ft

$191

National: $200

Duration: 3-6 months
DIY: Hard
Permits: Required
ROI: 55%

Room Addition Cost Calculator for Tempe

Adjusted for Tempe's labor rate ($28.28/hr) and material costs (index 97).

50 sq ft1,000 sq ft

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

Estimated Total in Tempe

$86,070

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

Local Cost Breakdown

Labor (50%)$43,035

At Tempe's average rate of $28.28/hr (6% below national avg)

Materials (50%)$43,035

Material cost index 97 (3% below national baseline of 100)

Room Addition vs. Home Value in Tempe

MetricTempeNational Avg
Room Addition (Mid-Range)$86,070$90,000
Median Home Price$421,717$350,000
Project as % of Home Value20.4%25.7%
Estimated ROI55%55%
Median Household Income$76,353$75,000

What Affects the Price in Tempe

  • 1Local labor rates ($28.28/hr in Tempe)
  • 2Material cost index (97 vs national 100)
  • 3Square footage
  • 4Foundation type
  • 5Number of stories
  • 6Roof integration

Popular Upgrades

  • Cathedral ceiling
  • En-suite bathroom
  • Walk-in closet

Planning a Room Addition in Tempe

Building permits are typically required for a room addition in Tempe. The average permit fee in this area is $1,479, though costs vary based on project scope. Permit fees in this market are above average — factor them into your total budget. Plan for 3-6 months from start to finish.

A room addition is a complex project best left to licensed professionals. In Tempe, skilled contractors charge an average of $28.28/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

For the median Tempe household earning $76,353/year, this project at $86,070 represents a significant investment. Consider financing options or phasing the work to spread costs over time.

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