Second Story Addition in San Diego, CA — Costs $132,573 to $828,583
What does second story addition cost in San Diego? Average $331,433, ranging $132,573–$828,583. Labor runs $55.63/hr locally — 66% above the national average. Free breakdown with material + labor split.
San Diego, CA Market
+66% vs nationalLabor Rate
$55.63/hr
Material Index
146
Avg Permit Cost
$2,142
Median Home Price
$822,978
As one of the largest metros in California, San Diego 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 66% above the national average, San Diego 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 $822,978, this second story addition represents just 40.3% of typical home value — a relatively small investment that can significantly boost curb appeal or functionality.
Low Estimate
$132,573
National: $80,000
Mid-Range
$331,433
National: $200,000
High End
$828,583
National: $500,000
Per Sq Ft
$497
National: $300
Second Story Addition Cost Calculator for San Diego
Adjusted for San Diego's labor rate ($55.63/hr) and material costs (index 146).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in San Diego
$331,433
Based on 200 sq ft at mid quality, adjusted for San Diego market rates.
Local Cost Breakdown
At San Diego's average rate of $55.63/hr (85% above national avg)
Material cost index 146 (46% above national baseline of 100)
Second Story Addition vs. Home Value in San Diego
| Metric | San Diego | National Avg |
|---|---|---|
| Second Story Addition (Mid-Range) | $331,433 | $200,000 |
| Median Home Price | $822,978 | $350,000 |
| Project as % of Home Value | 40.3% | 57.1% |
| Estimated ROI | 60% | 60% |
| Median Household Income | $149,293 | $75,000 |
What Affects the Price in San Diego
- 1Local labor rates ($55.63/hr in San Diego)
- 2Material cost index (146 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 San Diego, CA
Accessory Dwelling Unit (ADU) Construction
$248,575
Room Addition
$149,145
Swimming Pool Installation
$105,153
Garage Addition
$91,144
Home Addition
$130,996
Inground Swimming Pool
$103,871
Attic Conversion
$92,229
Swimming Pool Construction
$83,844
Second Story Addition in Other California Cities
Planning a Second Story Addition in San Diego
Building permits are typically required for a second story addition in San Diego. The average permit fee in this area is $2,142, 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 San Diego, skilled contractors charge an average of $55.63/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
With a median household income of $149,293, many San Diego residents can budget for this project through savings. The mid-range cost of $331,433 represents 222% 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 San Diego
View labor rates, material costs, and project estimates for San Diego, CA.
Explore All Project Cost Guides
Compare costs across 120+ home improvement projects in 3,636 cities nationwide.
View All Project Costs