Home Addition
in Ballwin.

$40,000 to $150,000

Typical cost range · Ballwin

Home Addition across the Ballwin typically costs $40,000 to $150,000, with strong homeowner demand across the St. Louis Metro.

1 verified4 ZIP codes servedState records cross-checked

Get Home Addition Quotes in Ballwin

Free
2
3
4

Tell us about your home addition project

Help us match you with the right pros.

Scope
Budget
Timeline
Step 2 of 4

Pros like Midtown Home Improvements (4.1★) are in our network

1 home addition contractor serving Ballwin·1 government record-verified·Insurance cross-checked

What Home Addition Returns in Ballwin

Mid-range cost and resale value from the 2025 Remodeling Cost vs. Value report. Ballwin is benchmarked using the West North Central regional average.

ProjectCostResale ValueROI
Deck Addition | Wood$18,263$17,32395%
Deck Addition | Composite$25,096$22,19989%
Bathroom Addition | Midrange$60,645$32,34753%
Bathroom Addition | Upscale$111,255$40,52636%
Primary Suite Addition | Midrange$170,517$55,09732%
Primary Suite Addition | Upscale$351,613$63,13618%

Source: Remodeling Magazine 2025 Cost vs. Value. Mid-range tier.

Ballwin Market

31K
Residents
$100,000-$124,999
Median Income
$3,000 or More
Property Tax / yr
4
ZIP Codes

📚Related Reads for Ballwin Homeowners

Home Additions

Home Addition ROI in the Midwest: Is It Worth It in 2026?

Midwest home additions cost $150–$300 per square foot and return 50–65% at resale. Here's which additions pencil out, which don't, and how to decide for your home.

2/15/2025Read Guide
Home Addition

Bump-Out Addition vs. Full Addition: Which Makes Sense for Your Project?

Bump-outs cost $5,000–$30,000 and expand a room 2–15 feet without new foundation work. Full additions cost $30,000–$100,000+ and require foundation, framing, and roof extension. Here's how to know which your project actually needs.

4/27/2026Read Guide
Home Addition

Garage Conversion to Living Space: Cost, ROI, and What to Know Before You Start

Converting an attached garage to living space costs $15,000–$50,000 depending on scope. ROI is 65–80% — better than most additions. But there are real tradeoffs in cold climates and HOA neighborhoods.

4/27/2026Read Guide
Home Improvement

How Long Does a Home Remodel Take? Realistic Midwest Timelines for 2026

Kitchen remodels take 8–14 weeks. Bathroom remodels take 3–6 weeks. Roof replacements take 1–3 days. Here are the honest timelines for every major home improvement project — and what causes delays.

2/10/2025Read Guide
Contractors

Contractor Insurance 101: What Homeowners Actually Need to Verify

General liability, workers' comp, and bonding explained — and why a Certificate of Insurance is not the same as actual coverage. What to check before anyone sets foot on your property.

1/20/2025Read Guide
ROI

Which Home Improvement Has the Best ROI? Use Our 2026 Calculator

Before you commit to a kitchen overhaul or deck addition, see exactly what each project returns at resale. Our ROI calculator uses 2025 Cost vs. Value data to show you the numbers in seconds.

4/25/2026Read Guide
MO · Verified Contractors

Top Verified Home Addition in Ballwin, MO

Ranked by verification strength. State record & coverage status is labeled by source: state database, insurance records, or contractor website.

  1. Midtown Home Improvements

    ABP Human VerifiedLicense
    ABP Human VerifiedInsurance
    4.1 out of 5 stars,4.1· 1,754 Google reviews
    36+ Years in Business
    BBB Accredited · A+
    Wentzville, MO

    License confirmed active against state records.

    Get a Free Quote

Free Quotes Today

Competing bids from verified Ballwin pros. No commitment.

Get Free Quotes →

How We Verify

1
State contractor record check
2
Insurance validated
3
Business history reviewed
4
Continuously monitored
Verify a license at Missouri Division of Professional Registration

AboveBoardPros is a matching service. We connect you with independent contractors who passed these checks. We do not perform the work ourselves.