Second Story Addition in Honolulu, HI — Costs $132,680 to $829,250
What does second story addition cost in Honolulu? Average $331,700, ranging $132,680–$829,250. Labor runs $53.61/hr locally — 66% above the national average. Free breakdown with material + labor split.
Honolulu, HI Market
+66% vs nationalLabor Rate
$53.61/hr
Material Index
153
Avg Permit Cost
$2,453
Median Home Price
$784,843
Honolulu is a mid-sized city in Hawaii 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, Honolulu 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 $784,843, this second story addition represents just 42.3% of typical home value — a relatively small investment that can significantly boost curb appeal or functionality.
Low Estimate
$132,680
National: $80,000
Mid-Range
$331,700
National: $200,000
High End
$829,250
National: $500,000
Per Sq Ft
$498
National: $300
Second Story Addition Cost Calculator for Honolulu
Adjusted for Honolulu's labor rate ($53.61/hr) and material costs (index 153).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Honolulu
$331,700
Based on 200 sq ft at mid quality, adjusted for Honolulu market rates.
Local Cost Breakdown
At Honolulu's average rate of $53.61/hr (79% above national avg)
Material cost index 153 (53% above national baseline of 100)
Second Story Addition vs. Home Value in Honolulu
| Metric | Honolulu | National Avg |
|---|---|---|
| Second Story Addition (Mid-Range) | $331,700 | $200,000 |
| Median Home Price | $784,843 | $350,000 |
| Project as % of Home Value | 42.3% | 57.1% |
| Estimated ROI | 60% | 60% |
| Median Household Income | $121,894 | $75,000 |
What Affects the Price in Honolulu
- 1Local labor rates ($53.61/hr in Honolulu)
- 2Material cost index (153 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 Honolulu, HI
Accessory Dwelling Unit (ADU) Construction
$248,775
Room Addition
$149,265
Swimming Pool Installation
$106,132
Garage Addition
$91,218
Home Addition
$131,652
Inground Swimming Pool
$105,297
Attic Conversion
$91,924
Swimming Pool Construction
$83,568
Planning a Second Story Addition in Honolulu
Building permits are typically required for a second story addition in Honolulu. The average permit fee in this area is $2,453, 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 Honolulu, skilled contractors charge an average of $53.61/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
With a median household income of $121,894, many Honolulu residents can budget for this project through savings. The mid-range cost of $331,700 represents 272% 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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