Second Story Addition in Portland, OR — Costs $108,187 to $676,167
What does second story addition cost in Portland? Average $270,467, ranging $108,187–$676,167. Labor runs $43.64/hr locally — 35% above the national average. Free breakdown with material + labor split.
Portland, OR Market
+35% vs nationalLabor Rate
$43.64/hr
Material Index
125
Avg Permit Cost
$2,239
Median Home Price
$499,459
As one of the largest metros in Oregon, Portland has a competitive contractor market with hundreds of licensed professionals. This typically gives homeowners more leverage on pricing, though high demand for renovations can offset that advantage. At 35% above the national average, Portland is one of the more expensive markets for home improvement — driven primarily by above-average labor rates in the region. The median home in Portland is valued at $499,459, putting this project at about 54.2% of home value — a moderate investment with a projected 60% ROI.
Low Estimate
$108,187
National: $80,000
Mid-Range
$270,467
National: $200,000
High End
$676,167
National: $500,000
Per Sq Ft
$406
National: $300
Second Story Addition Cost Calculator for Portland
Adjusted for Portland's labor rate ($43.64/hr) and material costs (index 125).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Portland
$270,467
Based on 200 sq ft at mid quality, adjusted for Portland market rates.
Local Cost Breakdown
At Portland's average rate of $43.64/hr (45% above national avg)
Material cost index 125 (25% above national baseline of 100)
Second Story Addition vs. Home Value in Portland
| Metric | Portland | National Avg |
|---|---|---|
| Second Story Addition (Mid-Range) | $270,467 | $200,000 |
| Median Home Price | $499,459 | $350,000 |
| Project as % of Home Value | 54.2% | 57.1% |
| Estimated ROI | 60% | 60% |
| Median Household Income | $93,521 | $75,000 |
What Affects the Price in Portland
- 1Local labor rates ($43.64/hr in Portland)
- 2Material cost index (125 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 Portland, OR
Accessory Dwelling Unit (ADU) Construction
$202,850
Room Addition
$121,710
Swimming Pool Installation
$86,571
Garage Addition
$74,378
Home Addition
$107,368
Inground Swimming Pool
$85,906
Attic Conversion
$74,941
Swimming Pool Construction
$68,128
Second Story Addition in Other Oregon Cities
Planning a Second Story Addition in Portland
Building permits are typically required for a second story addition in Portland. The average permit fee in this area is $2,239, 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 Portland, skilled contractors charge an average of $43.64/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
With a median household income of $93,521, many Portland residents can budget for this project through savings. The mid-range cost of $270,467 represents 289% 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 Portland
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