Second Story Addition in Bellevue, WA — Costs $119,653 to $747,833
What does second story addition cost in Bellevue? Average $299,133, ranging $119,653–$747,833. Labor runs $48.94/hr locally — 50% above the national average. Free breakdown with material + labor split.
Bellevue, WA Market
+50% vs nationalLabor Rate
$48.94/hr
Material Index
136
Avg Permit Cost
$2,365
Median Home Price
$582,044
Bellevue 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 50% above the national average, Bellevue 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 $582,044, this second story addition represents just 51.4% of typical home value — a relatively small investment that can significantly boost curb appeal or functionality.
Low Estimate
$119,653
National: $80,000
Mid-Range
$299,133
National: $200,000
High End
$747,833
National: $500,000
Per Sq Ft
$449
National: $300
Second Story Addition Cost Calculator for Bellevue
Adjusted for Bellevue's labor rate ($48.94/hr) and material costs (index 136).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Bellevue
$299,133
Based on 200 sq ft at mid quality, adjusted for Bellevue market rates.
Local Cost Breakdown
At Bellevue's average rate of $48.94/hr (63% above national avg)
Material cost index 136 (36% above national baseline of 100)
Second Story Addition vs. Home Value in Bellevue
| Metric | Bellevue | National Avg |
|---|---|---|
| Second Story Addition (Mid-Range) | $299,133 | $200,000 |
| Median Home Price | $582,044 | $350,000 |
| Project as % of Home Value | 51.4% | 57.1% |
| Estimated ROI | 60% | 60% |
| Median Household Income | $94,385 | $75,000 |
What Affects the Price in Bellevue
- 1Local labor rates ($48.94/hr in Bellevue)
- 2Material cost index (136 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
Other Projects in Bellevue, WA
Accessory Dwelling Unit (ADU) Construction
$224,350
Room Addition
$134,610
Swimming Pool Installation
$95,455
Garage Addition
$82,262
Home Addition
$118,568
Inground Swimming Pool
$94,573
Attic Conversion
$83,008
Swimming Pool Construction
$75,462
Second Story Addition in Other Washington Cities
Planning a Second Story Addition in Bellevue
Building permits are typically required for a second story addition in Bellevue. The average permit fee in this area is $2,365, 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 Bellevue, skilled contractors charge an average of $48.94/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
With a median household income of $94,385, many Bellevue residents can budget for this project through savings. The mid-range cost of $299,133 represents 317% of the typical household's annual income.
Second Story Addition — National Guide
See the full national cost guide with DIY tips, cost factors, and ROI analysis.
All Construction Costs in Bellevue
View labor rates, material costs, and project estimates for Bellevue, WA.
Explore All Project Cost Guides
Compare costs across 120+ home improvement projects in 3,636 cities nationwide.
View All Project Costs