Second Story Addition in Irvine, CA — Costs $133,067 to $831,667
What does second story addition cost in Irvine? Average $332,667, ranging $133,067–$831,667. Labor runs $55.7/hr locally — 66% above the national average. Free breakdown with material + labor split.
Irvine, CA Market
+66% vs nationalLabor Rate
$55.7/hr
Material Index
147
Avg Permit Cost
$2,271
Median Home Price
$718,221
Irvine is a mid-sized city in California 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 66% above the national average, Irvine 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 $718,221, this second story addition represents just 46.3% of typical home value — a relatively small investment that can significantly boost curb appeal or functionality.
Low Estimate
$133,067
National: $80,000
Mid-Range
$332,667
National: $200,000
High End
$831,667
National: $500,000
Per Sq Ft
$499
National: $300
Second Story Addition Cost Calculator for Irvine
Adjusted for Irvine's labor rate ($55.7/hr) and material costs (index 147).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Irvine
$332,667
Based on 200 sq ft at mid quality, adjusted for Irvine market rates.
Local Cost Breakdown
At Irvine's average rate of $55.7/hr (86% above national avg)
Material cost index 147 (47% above national baseline of 100)
Second Story Addition vs. Home Value in Irvine
| Metric | Irvine | National Avg |
|---|---|---|
| Second Story Addition (Mid-Range) | $332,667 | $200,000 |
| Median Home Price | $718,221 | $350,000 |
| Project as % of Home Value | 46.3% | 57.1% |
| Estimated ROI | 60% | 60% |
| Median Household Income | $106,906 | $75,000 |
What Affects the Price in Irvine
- 1Local labor rates ($55.7/hr in Irvine)
- 2Material cost index (147 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 Irvine, CA
Accessory Dwelling Unit (ADU) Construction
$249,500
Room Addition
$149,700
Swimming Pool Installation
$105,603
Garage Addition
$91,483
Home Addition
$131,520
Inground Swimming Pool
$104,347
Attic Conversion
$92,547
Swimming Pool Construction
$84,133
Second Story Addition in Other California Cities
Planning a Second Story Addition in Irvine
Building permits are typically required for a second story addition in Irvine. The average permit fee in this area is $2,271, 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 Irvine, skilled contractors charge an average of $55.7/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
With a median household income of $106,906, many Irvine residents can budget for this project through savings. The mid-range cost of $332,667 represents 311% 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.
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