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Home Addition Construction Cost in Irmo, SC

Detailed pricing guide with local market adjustments and material comparisons

Irmo Average

$34,000–$127,500

Market Tier

Small City

Cost Breakdown

Home Addition Construction Cost in Irmo

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

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Irmo Housing Market

Median Home Price

$323,079

Homes for Sale

Price per Sq Ft

$173

Local Pros

315

Home Service Professionals Near Irmo

lender 60Inspectors 48Roofers 38Flooring 37Painters 35multimedia_specialist 34Landscapers 32Movers 31

Median Household Income

$85,137

Median Home Value

$193,100

Median Rent

$1,412/mo

Homeownership Rate

80.7%

Population

11,799

Median Year Built

1984

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

Irmo 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(65 → 85)

Documentation19/25

Maintenance20/25

Warranty22/25

Investment21/25

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

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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

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remodeling contractor

Title:remodeling

Category:remodeling contractor

Date:2026-04-08

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Cost FAQ

What is the average cost of home addition construction in Irmo?

The average cost of home addition construction in Irmo, SC 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 Irmo, local labor rates and material availability also influence pricing.

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

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

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Home Addition Construction Cost in Nearby Cities

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Home Addition Construction Cost in Irmo, SC

Cost Breakdown

Home Addition Construction Cost in Irmo

Material Cost Comparison

Get Quotes in Irmo

Irmo Housing Market

Track Your Costs

Home Addition Construction

Property Health Score

Get a Personalized Estimate

Cost FAQ

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