Second Story Addition in Spokane Valley, WA — Costs $109,227 to $682,667

What does second story addition cost in Spokane Valley? Average $273,067, ranging $109,227–$682,667. Labor runs $45.02/hr locally — 37% above the national average. Free breakdown with material + labor split.

Spokane Valley, WA Market

+37% vs national

Labor Rate

$45.02/hr

Material Index

123

Avg Permit Cost

$1,633

Median Home Price

$586,000

Spokane Valley is a mid-sized city in Washington with a healthy pool of local contractors. Homeowners generally have several options to compare for a second story addition, which helps keep pricing competitive. At 37% above the national average, Spokane Valley is one of the more expensive markets for home improvement — driven primarily by above-average labor rates in the region. With a median home price of $586,000, this second story addition represents just 46.6% of typical home value — a relatively small investment that can significantly boost curb appeal or functionality.

Low Estimate

$109,227

National: $80,000

Mid-Range

$273,067

National: $200,000

High End

$682,667

National: $500,000

Per Sq Ft

$410

National: $300

Duration: 4-8 months
DIY: Hard
Permits: Required
ROI: 60%

Second Story Addition Cost Calculator for Spokane Valley

Adjusted for Spokane Valley's labor rate ($45.02/hr) and material costs (index 123).

50 sq ft1,000 sq ft

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

Estimated Total in Spokane Valley

$273,067

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

Local Cost Breakdown

Labor (50%)$136,534

At Spokane Valley's average rate of $45.02/hr (50% above national avg)

Materials (50%)$136,534

Material cost index 123 (23% above national baseline of 100)

Second Story Addition vs. Home Value in Spokane Valley

MetricSpokane ValleyNational Avg
Second Story Addition (Mid-Range)$273,067$200,000
Median Home Price$586,000$350,000
Project as % of Home Value46.6%57.1%
Estimated ROI60%60%
Median Household Income$76,100$75,000

What Affects the Price in Spokane Valley

  • 1Local labor rates ($45.02/hr in Spokane Valley)
  • 2Material cost index (123 vs national 100)
  • 3Total square footage added
  • 4Structural reinforcement of first floor
  • 5Staircase addition
  • 6Roof removal and replacement

Popular Upgrades

  • Master suite
  • Additional bedrooms
  • Jack-and-Jill bathroom

Planning a Second Story Addition in Spokane Valley

Building permits are typically required for a second story addition in Spokane Valley. The average permit fee in this area is $1,633, though costs vary based on project scope. Permit fees in this market are above average — factor them into your total budget. Plan for 4-8 months from start to finish.

A second story addition is a complex project best left to licensed professionals. In Spokane Valley, skilled contractors charge an average of $45.02/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

For the median Spokane Valley household earning $76,100/year, this project at $273,067 represents a significant investment. Consider financing options or phasing the work to spread costs over time.

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