Home Addition Construction Cost Sun PrairieHome Addition Construction Cost Sun PrairieHome Addition Construction Cost Sun PrairieHome Addition Construction Cost Sun PrairieHome Addition Construction Cost Sun PrairieHome Addition Construction Cost Sun PrairieHome Addition Construction Cost Sun PrairieHome Addition Construction Cost Sun PrairieHome Addition Construction Cost Sun PrairieHome Addition Construction Cost Sun Prairie

Home Addition Construction Cost in Sun Prairie, WI

Detailed pricing guide with local market adjustments and material comparisons

Sun Prairie Average

$34,000–$127,500

Market Tier

Small City

Cost Breakdown

Home Addition Construction Cost in Sun Prairie

Small City

LowAverageHigh

$34,000$80,750$127,500

Market Tier

Small City (0.85x)

Small city with below-average costs

Material Cost Comparison

Foundation concrete(Budget)

$25,500–$95,625

Framing lumber(Mid-Range)

$34,000–$127,500

Roofing materials(Premium)

$47,600–$178,500

Factors that affect your cost

Addition size (square footage)
Number of stories
Foundation type
Roofing integration with existing
Plumbing and electrical scope
HVAC extension
Architectural design
Permit and engineering fees
Interior finish level
Landscaping restoration

Get Quotes in Sun Prairie

Founding Member

Premium spot in Sun Prairie

Ambassador

Lead the Sun Prairie community

Founding Member

Premium spot in Sun Prairie

Search for remodelings in Sun Prairie →

Sun Prairie Housing Market

Median Home Price

$362,500

Homes for Sale

Price per Sq Ft

$205

Local Pros

269

Home Service Professionals Near Sun Prairie

Agents 68multimedia_specialist 34Painters 31Landscapers 31lender 30Inspectors 26Flooring 25Handymen 24

Median Household Income

$90,521

Median Home Value

$339,800

Median Rent

$1,374/mo

Homeownership Rate

61.8%

Population

36,455

Median Year Built

1998

Source: U.S. Census Bureau, ACS 2023 5-Year Estimates

Track Your Costs

Renovation

Home Addition Construction

Date

April 2026

Cost

$80,750

Vendor

Your local pro

Warranty

10-year material warranty

Sun Prairie average: $34,000–$127,500

Before

Issue documented with photos

After

Repair completed, area sealed

Materials Used

Foundation concreteFraming lumberRoofing materialsWindows and doors

Warranty Details

10-year material warranty

Auto-Checkup Created

"Addition Inspection" — every 24 months

Added by youApril 2026

Property Health Score

Good

interior category +20 pts(69 → 89)

Documentation19/25

Maintenance20/25

Warranty22/25

Investment21/25

Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.

Track this repair in PropDoctor →

Get a Personalized Estimate

Find a remodeling near me

I found several remodeling contractors in your area. Here are the top results:

Professionals Found

12 results

Smith & Sons

Connected

remodeling contractor

4.9(47)

BookQuote

J&R Home Services

remodeling contractor

4.7(23)

From $95/hr

MessageView

View All in ProPortal

Log my home addition construction in PropDoctor

I'll help you log this. I've pre-filled the details — review and submit:

Add to Property History

remodeling contractor

Title:remodeling

Category:remodeling contractor

Date:2026-04-09

Fill Form & Review

Fill Form & Submit

SmartSearch understands 51 action types across scheduling, vendor discovery, and home maintenance.

Try SmartSearch →

Cost FAQ

What is the average cost of home addition construction in Sun Prairie?

The average cost of home addition construction in Sun Prairie, WI ranges from $34,000 to $127,500. The final price depends on Addition size (square footage), Number of stories, Foundation type.

What factors affect home addition construction cost?

Key factors include: Addition size (square footage), Number of stories, Foundation type, Roofing integration with existing, Plumbing and electrical scope, HVAC extension, Architectural design, Permit and engineering fees, Interior finish level, Landscaping restoration. In Sun Prairie, local labor rates and material availability also influence pricing.

How do I get accurate quotes for home addition construction in Sun Prairie?

Get at least 3 quotes from licensed professionals in Sun Prairie. Use Fizbo SmartSearch to find and compare local remodelings, read reviews, and request estimates — all in one place.

Explore Sun Prairie, WI

Homes for Salein Sun Prairie Rentalsin Sun Prairie Home Servicesin Sun Prairie Maintenance Guidesin Sun Prairie Find Professionalsin Sun Prairie

Home Addition Construction Cost in Nearby Cities

Madison, WI Janesville, WI Watertown, WI Middleton, WI Beaver Dam, WI Whitewater, WI

Home Addition Construction Cost in Sun Prairie, WI

Cost Breakdown

Home Addition Construction Cost in Sun Prairie

Material Cost Comparison

Get Quotes in Sun Prairie

Sun Prairie Housing Market

Track Your Costs

Home Addition Construction

Property Health Score

Get a Personalized Estimate

Cost FAQ

More Cost Guides for Sun Prairie

Full Roof Replacement Cost

HVAC System Installation Cost

Foundation Crack Repair Cost

Kitchen Remodeling Cost

Bathroom Remodeling Cost

Explore Sun Prairie, WI

Home Addition Construction Cost in Nearby Cities