Bathroom Addition in Cambridge, MA — Costs $32,874 to $147,932
What does bathroom addition cost in Cambridge? Average $73,966, ranging $32,874–$147,932. Labor runs $54.31/hr locally — 64% above the national average. Free breakdown with material + labor split.
Cambridge, MA Market
+64% vs nationalLabor Rate
$54.31/hr
Material Index
144
Avg Permit Cost
$3,017
Median Home Price
$607,888
Cambridge is a mid-sized city in Massachusetts with a healthy pool of local contractors. Homeowners generally have several options to compare for a bathroom addition, which helps keep pricing competitive. At 64% above the national average, Cambridge 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 $607,888, this bathroom addition represents just 12.2% of typical home value — a relatively small investment that can significantly boost curb appeal or functionality.
Low Estimate
$32,874
National: $20,000
Mid-Range
$73,966
National: $45,000
High End
$147,932
National: $90,000
Per Sq Ft
$657
National: $400
Bathroom Addition Cost Calculator for Cambridge
Adjusted for Cambridge's labor rate ($54.31/hr) and material costs (index 144).
Mid-grade materials, good quality fixtures, standard options.
Estimated Total in Cambridge
$73,966
Based on 200 sq ft at mid quality, adjusted for Cambridge market rates.
Local Cost Breakdown
At Cambridge's average rate of $54.31/hr (81% above national avg)
Material cost index 144 (44% above national baseline of 100)
Bathroom Addition vs. Home Value in Cambridge
| Metric | Cambridge | National Avg |
|---|---|---|
| Bathroom Addition (Mid-Range) | $73,966 | $45,000 |
| Median Home Price | $607,888 | $350,000 |
| Project as % of Home Value | 12.2% | 12.9% |
| Estimated ROI | 58% | 58% |
| Median Household Income | $98,948 | $75,000 |
What Affects the Price in Cambridge
- 1Local labor rates ($54.31/hr in Cambridge)
- 2Material cost index (144 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 Cambridge, MA
Kitchen Remodel
$66,702
Master Bathroom Remodel
$44,986
Bathroom Remodel
$28,920
Mudroom Addition
$24,378
Second Story Addition
$325,033
Accessory Dwelling Unit (ADU) Construction
$243,775
Room Addition
$146,265
Home Addition
$128,532
Bathroom Addition in Other Massachusetts Cities
Planning a Bathroom Addition in Cambridge
Building permits are typically required for a bathroom addition in Cambridge. The average permit fee in this area is $3,017, 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 Cambridge, skilled contractors charge an average of $54.31/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.
With a median household income of $98,948, many Cambridge residents can budget for this project through savings. The mid-range cost of $73,966 represents 75% of the typical household's annual income.
Bathroom Addition — National Guide
See the full national cost guide with DIY tips, cost factors, and ROI analysis.
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