Second Story Addition in Allentown, PA — Costs $87,773 to $548,583
What does second story addition cost in Allentown? Average $219,433, ranging $87,773–$548,583. Labor runs $33.73/hr locally — 10% above the national average. Free breakdown with material + labor split.
Allentown, PA Market
+10% vs nationalLabor Rate
$33.73/hr
Material Index
107
Avg Permit Cost
$1,917
Median Home Price
$384,519
Allentown is a mid-sized city in Pennsylvania with a healthy pool of local contractors. Homeowners generally have several options to compare for a second story addition, which helps keep pricing competitive. Costs in Allentown run slightly above the national average, though the gap is modest enough that smart material choices and timing can close it. The median home in Allentown is valued at $384,519, putting this project at about 57.1% of home value — a moderate investment with a projected 60% ROI.
Low Estimate
$87,773
National: $80,000
Mid-Range
$219,433
National: $200,000
High End
$548,583
National: $500,000
Per Sq Ft
$329
National: $300
Second Story Addition Cost Calculator for Allentown
Adjusted for Allentown's labor rate ($33.73/hr) and material costs (index 107).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Allentown
$219,433
Based on 200 sq ft at mid quality, adjusted for Allentown market rates.
Local Cost Breakdown
At Allentown's average rate of $33.73/hr (12% above national avg)
Material cost index 107 (7% above national baseline of 100)
Second Story Addition vs. Home Value in Allentown
| Metric | Allentown | National Avg |
|---|---|---|
| Second Story Addition (Mid-Range) | $219,433 | $200,000 |
| Median Home Price | $384,519 | $350,000 |
| Project as % of Home Value | 57.1% | 57.1% |
| Estimated ROI | 60% | 60% |
| Median Household Income | $60,125 | $75,000 |
What Affects the Price in Allentown
- 1Local labor rates ($33.73/hr in Allentown)
- 2Material cost index (107 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 Allentown, PA
Accessory Dwelling Unit (ADU) Construction
$164,575
Room Addition
$98,745
Swimming Pool Installation
$70,963
Garage Addition
$60,344
Home Addition
$87,556
Inground Swimming Pool
$70,786
Attic Conversion
$60,494
Swimming Pool Construction
$54,994
Second Story Addition in Other Pennsylvania Cities
Planning a Second Story Addition in Allentown
Building permits are typically required for a second story addition in Allentown. The average permit fee in this area is $1,917, 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 Allentown, skilled contractors charge an average of $33.73/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
For the median Allentown household earning $60,125/year, this project at $219,433 represents a significant investment. Consider financing options or phasing the work to spread costs over time.
Second Story Addition — National Guide
See the full national cost guide with DIY tips, cost factors, and ROI analysis.
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