Second Story Addition in North Charleston, SC — Costs $93,200 to $582,500
What does second story addition cost in North Charleston? Average $233,000, ranging $93,200–$582,500. Labor runs $41.1/hr locally — 17% above the national average. Free breakdown with material + labor split.
North Charleston, SC Market
+17% vs nationalLabor Rate
$41.1/hr
Material Index
96
Avg Permit Cost
$1,556
Median Home Price
$265,000
North Charleston is a mid-sized city in South Carolina 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 17% above the national average, North Charleston is one of the more expensive markets for home improvement — driven primarily by above-average labor rates in the region. The median home in North Charleston is valued at $265,000, putting this project at about 87.9% of home value — a moderate investment with a projected 60% ROI.
Low Estimate
$93,200
National: $80,000
Mid-Range
$233,000
National: $200,000
High End
$582,500
National: $500,000
Per Sq Ft
$350
National: $300
Second Story Addition Cost Calculator for North Charleston
Adjusted for North Charleston's labor rate ($41.1/hr) and material costs (index 96).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in North Charleston
$233,000
Based on 200 sq ft at mid quality, adjusted for North Charleston market rates.
Local Cost Breakdown
At North Charleston's average rate of $41.1/hr (37% above national avg)
Material cost index 96 (4% below national baseline of 100)
Second Story Addition vs. Home Value in North Charleston
| Metric | North Charleston | National Avg |
|---|---|---|
| Second Story Addition (Mid-Range) | $233,000 | $200,000 |
| Median Home Price | $265,000 | $350,000 |
| Project as % of Home Value | 87.9% | 57.1% |
| Estimated ROI | 60% | 60% |
| Median Household Income | $42,000 | $75,000 |
What Affects the Price in North Charleston
- 1Local labor rates ($41.1/hr in North Charleston)
- 2Material cost index (96 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 North Charleston, SC
Accessory Dwelling Unit (ADU) Construction
$174,750
Room Addition
$104,850
Swimming Pool Installation
$73,060
Garage Addition
$64,075
Home Addition
$91,560
Inground Swimming Pool
$71,728
Attic Conversion
$65,203
Swimming Pool Construction
$59,275
Second Story Addition in Other South Carolina Cities
Planning a Second Story Addition in North Charleston
Building permits are typically required for a second story addition in North Charleston. The average permit fee in this area is $1,556, 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 North Charleston, skilled contractors charge an average of $41.1/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
In North Charleston, where the median household income is $42,000, a $233,000 project requires careful budgeting. Look into home improvement loans, HELOC options, or local grants that may be available in South Carolina.
Second Story Addition — National Guide
See the full national cost guide with DIY tips, cost factors, and ROI analysis.
All Construction Costs in North Charleston
View labor rates, material costs, and project estimates for North Charleston, SC.
Explore All Project Cost Guides
Compare costs across 120+ home improvement projects in 3,636 cities nationwide.
View All Project Costs