How much does a half bath addition cost in Quincy, MA?

The average half bath addition in Quincy, MA costs $18,237 in 2026. Costs range from $7,599 for a basic project to $37,995 for a high-end renovation. Quincy is 52% more expensive than the national average of $12,000.

What is the labor rate for contractors in Quincy?

The average contractor labor rate in Quincy, MA is $49.27/hour, compared to the national average of $30/hour. For a half bath addition, labor typically accounts for 55% of the total cost, which is approximately $10,030 in Quincy.

Are materials more expensive in Quincy?

Quincy has a material cost index of 137 (national average = 100). Materials cost about 37% more than the national average. For a half bath addition, materials account for 45% of the cost, approximately $8,207.

Do I need a permit for a half bath addition in Quincy?

Yes, a half bath addition typically requires building permits in Quincy, MA. The average permit cost in Quincy is $2,439. Always confirm requirements with the Quincy building department before starting work.

Is a half bath addition a good investment in Quincy?

A half bath addition provides an estimated 60% ROI nationally. In Quincy, where the median home price is $570,160, this project costs about 3.2% of your home value. This is a small percentage of home value, making it a relatively low-risk improvement.

Half Bath Addition in Quincy, MA — Costs $7,599 to $37,995

What does half bath addition cost in Quincy? Average $18,237, ranging $7,599–$37,995. Labor runs $49.27/hr locally — 52% above the national average. Free breakdown with material + labor split.

Quincy, MA Market

+52% vs national

Labor Rate

$49.27/hr

Material Index

137

Avg Permit Cost

$2,439

Median Home Price

$570,160

Quincy is a mid-sized city in Massachusetts with a healthy pool of local contractors. Homeowners generally have several options to compare for a half bath addition, which helps keep pricing competitive. At 52% above the national average, Quincy 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 $570,160, this half bath addition represents just 3.2% of typical home value — a relatively small investment that can significantly boost curb appeal or functionality.

Low Estimate

$7,599

National: $5,000

Mid-Range

$18,237

National: $12,000

High End

$37,995

National: $25,000

Per Sq Ft

$304

National: $200

Duration: 1-2 weeks

DIY: Hard

Permits: Required

ROI: 60%

Half Bath Addition Cost Calculator for Quincy

Adjusted for Quincy's labor rate ($49.27/hr) and material costs (index 137).

Project Size: 200 sq ft

50 sq ft1,000 sq ft

Quality Level

Mid-grade materials, good quality fixtures, standard options.

Estimated Total in Quincy

$18,237

Based on 200 sq ft at mid quality, adjusted for Quincy market rates.

Local Cost Breakdown

Labor (55%)$10,030

At Quincy's average rate of $49.27/hr (64% above national avg)

Materials (45%)$8,207

Material cost index 137 (37% above national baseline of 100)

Half Bath Addition vs. Home Value in Quincy

Metric	Quincy	National Avg
Half Bath Addition (Mid-Range)	$18,237	$12,000
Median Home Price	$570,160	$350,000
Project as % of Home Value	3.2%	3.4%
Estimated ROI	60%	60%
Median Household Income	$102,265	$75,000

What Affects the Price in Quincy

1Local labor rates ($49.27/hr in Quincy)
2Material cost index (137 vs national 100)
3Plumbing distance
4Location in home
5Fixture quality
6Permits

Popular Upgrades

Vessel sink
Wallpaper accent
Floating vanity

Other Projects in Quincy, MA

Bathroom Addition

$68,390

HardROI 58%

Kitchen Remodel

$62,115

HardROI 72%

Master Bathroom Remodel

$41,791

HardROI 65%

Bathroom Remodel

$26,866

MediumROI 68%

Second Story Addition

$301,233

HardROI 60%

Accessory Dwelling Unit (ADU) Construction

$225,925

HardROI 80%

Room Addition

$135,555

HardROI 55%

Home Addition

$119,404

MediumROI 60%

Half Bath Addition in Other Massachusetts Cities

Boston, MA

$19,582

+7%Pop. 675,647

Worcester, MA

$17,115

-6%Pop. 206,518

Springfield, MA

$16,278

-11%Pop. 155,929

Cambridge, MA

$19,724

+8%Pop. 118,403

Lowell, MA

$16,511

-9%Pop. 115,554

Brockton, MA

$16,199

-11%Pop. 105,643

New Bedford, MA

$17,071

-6%Pop. 101,079

Lynn, MA

$16,165

-11%Pop. 99,989

Planning a Half Bath Addition in Quincy

Building permits are typically required for a half bath addition in Quincy. The average permit fee in this area is $2,439, though costs vary based on project scope. Permit fees in this market are above average — factor them into your total budget. Plan for 1-2 weeks from start to finish.

A half bath addition is a complex project best left to licensed professionals. In Quincy, skilled contractors charge an average of $49.27/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

With a median household income of $102,265, many Quincy residents can budget for this project through savings. The mid-range cost of $18,237 represents 18% of the typical household's annual income.

Half Bath Addition — National Guide

See the full national cost guide with DIY tips, cost factors, and ROI analysis.

All Construction Costs in Quincy

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