Bathroom Addition in Dayton, OH — Costs $18,534 to $83,402
What does bathroom addition cost in Dayton? Average $41,701, ranging $18,534–$83,402. Labor runs $28.21/hr locally — 7% below the national average. Free breakdown with material + labor split.
Dayton, OH Market
-7% vs nationalLabor Rate
$28.21/hr
Material Index
91
Avg Permit Cost
$962
Median Home Price
$178,272
Dayton is a mid-sized city in Ohio with a healthy pool of local contractors. Homeowners generally have several options to compare for a bathroom addition, which helps keep pricing competitive. Dayton offers slightly below-average renovation costs, giving homeowners a small cost advantage compared to most US markets. At a median home price of $178,272, homeowners in Dayton should weigh the project cost (23.4% of home value) carefully against expected returns to avoid over-improving for the local market.
Low Estimate
$18,534
National: $20,000
Mid-Range
$41,701
National: $45,000
High End
$83,402
National: $90,000
Per Sq Ft
$371
National: $400
Bathroom Addition Cost Calculator for Dayton
Adjusted for Dayton's labor rate ($28.21/hr) and material costs (index 91).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Dayton
$41,701
Based on 200 sq ft at mid quality, adjusted for Dayton market rates.
Local Cost Breakdown
At Dayton's average rate of $28.21/hr (6% below national avg)
Material cost index 91 (9% below national baseline of 100)
Bathroom Addition vs. Home Value in Dayton
| Metric | Dayton | National Avg |
|---|---|---|
| Bathroom Addition (Mid-Range) | $41,701 | $45,000 |
| Median Home Price | $178,272 | $350,000 |
| Project as % of Home Value | 23.4% | 12.9% |
| Estimated ROI | 58% | 58% |
| Median Household Income | $59,480 | $75,000 |
What Affects the Price in Dayton
- 1Local labor rates ($28.21/hr in Dayton)
- 2Material cost index (91 vs national 100)
- 3Location (new vs converted space)
- 4Plumbing distance
- 5Full vs half bath
- 6Fixture quality
Popular Upgrades
- Walk-in shower
- Double vanity
- Heated floors
Other Projects in Dayton, OH
Kitchen Remodel
$38,730
Master Bathroom Remodel
$25,862
Bathroom Remodel
$16,626
Mudroom Addition
$13,878
Second Story Addition
$185,033
Accessory Dwelling Unit (ADU) Construction
$138,775
Room Addition
$83,265
Home Addition
$73,892
Bathroom Addition in Other Ohio Cities
Planning a Bathroom Addition in Dayton
Building permits are typically required for a bathroom addition in Dayton. The average permit fee in this area is $962, though costs vary based on project scope. Permit fees in this market are above average — factor them into your total budget. Plan for 6-10 weeks from start to finish.
A bathroom addition is a complex project best left to licensed professionals. In Dayton, skilled contractors charge an average of $28.21/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
For the median Dayton household earning $59,480/year, this project at $41,701 represents a significant investment. Consider financing options or phasing the work to spread costs over time.
Bathroom Addition — National Guide
See the full national cost guide with DIY tips, cost factors, and ROI analysis.
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