How much does a carport addition cost in Green Bay, WI?

The average carport addition in Green Bay, WI costs $10,121 in 2026. Costs range from $4,048 for a basic project to $25,303 for a high-end renovation. Green Bay is 1% more expensive than the national average of $10,000.

What is the labor rate for contractors in Green Bay?

The average contractor labor rate in Green Bay, WI is $31.54/hour, compared to the national average of $30/hour. For a carport addition, labor typically accounts for 45% of the total cost, which is approximately $4,554 in Green Bay.

Are materials more expensive in Green Bay?

Green Bay has a material cost index of 98 (national average = 100). Materials cost about 2% less than the national average. For a carport addition, materials account for 55% of the cost, approximately $5,567.

Do I need a permit for a carport addition in Green Bay?

Yes, a carport addition typically requires building permits in Green Bay, WI. The average permit cost in Green Bay is $1,195. Always confirm requirements with the Green Bay building department before starting work.

Is a carport addition a good investment in Green Bay?

A carport addition provides an estimated 55% ROI nationally. In Green Bay, where the median home price is $205,060, this project costs about 4.9% of your home value. This is a small percentage of home value, making it a relatively low-risk improvement.

Carport Addition in Green Bay, WI — Costs $4,048 to $25,303

What does carport addition cost in Green Bay? Average $10,121, ranging $4,048–$25,303. Labor runs $31.54/hr locally — 1% above the national average. Free breakdown with material + labor split.

Green Bay, WI Market

+1% vs national

Labor Rate

$31.54/hr

Material Index

Avg Permit Cost

$1,195

Median Home Price

$205,060

Green Bay is a mid-sized city in Wisconsin with a healthy pool of local contractors. Homeowners generally have several options to compare for a carport addition, which helps keep pricing competitive. Costs in Green Bay run slightly above the national average, though the gap is modest enough that smart material choices and timing can close it. At a median home price of $205,060, homeowners in Green Bay should weigh the project cost (4.9% of home value) carefully against expected returns to avoid over-improving for the local market.

Low Estimate

$4,048

National: $4,000

Mid-Range

$10,121

National: $10,000

High End

$25,303

National: $25,000

Per Sq Ft

$51

National: $50

Duration: 1-2 weeks

DIY: Hard

Permits: Required

ROI: 55%

Carport Addition Cost Calculator for Green Bay

Adjusted for Green Bay's labor rate ($31.54/hr) and material costs (index 98).

Project Size: 200 sq ft

50 sq ft1,000 sq ft

Quality Level

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

Estimated Total in Green Bay

$10,121

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

Local Cost Breakdown

Labor (45%)$4,554

At Green Bay's average rate of $31.54/hr (5% above national avg)

Materials (55%)$5,567

Material cost index 98 (2% below national baseline of 100)

Carport Addition vs. Home Value in Green Bay

Metric	Green Bay	National Avg
Carport Addition (Mid-Range)	$10,121	$10,000
Median Home Price	$205,060	$350,000
Project as % of Home Value	4.9%	2.9%
Estimated ROI	55%	55%
Median Household Income	$62,689	$75,000

What Affects the Price in Green Bay

1Local labor rates ($31.54/hr in Green Bay)
2Material cost index (98 vs national 100)
3Size (single vs double)
4Roof style
5Material (metal vs wood)
6Attachment to house

Popular Upgrades

Enclosed storage walls
Solar-ready roof panel
EV charger rough-in

Other Projects in Green Bay, WI

Second Story Addition

$203,133

HardROI 60%

Accessory Dwelling Unit (ADU) Construction

$152,350

HardROI 80%

Room Addition

$91,410

HardROI 55%

Swimming Pool Installation

$65,555

HardROI 40%

Home Addition

$80,968

MediumROI 60%

Inground Swimming Pool

$65,323

HardROI 43%

Attic Conversion

$56,058

HardROI 64%

Swimming Pool Construction

$50,962

Professional OnlyROI 43%

Carport Addition in Other Wisconsin Cities

Milwaukee, WI

$11,206

+11%Pop. 577,222

Madison, WI

$10,267

+1%Pop. 269,840

Kenosha, WI

$9,852

-3%Pop. 99,889

Racine, WI

$8,596

-15%Pop. 78,860

Appleton, WI

$9,244

-9%Pop. 75,644

Waukesha, WI

$10,954

+8%Pop. 72,489

Eau Claire, WI

$9,754

-4%Pop. 70,478

Oshkosh, WI

$9,074

-10%Pop. 66,778

Planning a Carport Addition in Green Bay

Building permits are typically required for a carport addition in Green Bay. The average permit fee in this area is $1,195, 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 carport addition is a complex project best left to licensed professionals. In Green Bay, skilled contractors charge an average of $31.54/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

For the median Green Bay household earning $62,689/year, this project at $10,121 represents a significant investment. Consider financing options or phasing the work to spread costs over time.

Carport Addition — National Guide

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

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