How Much Does Garage Conversion Cost in New Jersey?
New Jersey pricing is above the national average. Updated for 2026.
Garage Conversion Pricing in New Jersey
In New Jersey, the average cost for garage conversion is $22,500 per project, which is 25% higher than the national average of $18,000. Most New Jersey residents pay between $10,000 and $37,500.
New Jersey has a higher cost of living than most states, which translates to higher labor rates and material costs. Urban areas within New Jersey may be even higher.
A garage conversion transforms your existing garage into livable space — typically a bedroom, home office, rental unit (ADU), or family room. It's one of the most cost-effective ways to add square footage since the structure already exists.
New Jersey vs National Average
What Affects Garage Conversion Cost in New Jersey?
Scope
Basic (insulation, drywall, flooring, electrical): $8,000-$15,000. Full conversion with bathroom: $20,000-$35,000. Full ADU with kitchen: $30,000-$60,000
Foundation
Garage floors may need leveling or moisture barrier: $1,000-$3,000
Permits
Permits and plans: $500-$3,000 depending on city. Some areas restrict garage conversions.
📐 Garage Conversion in New Jersey Cost Calculator
Get a personalized estimate based on your project details
Get Free Quotes from Local Pros
Compare prices from top-rated contractors in your area.
Top-Rated Garage Conversion Pros in New Jersey
5 providersApex Restoration
⭐ PREMIUMProudly serving NJ since 2017. Licensed, insured, and committed to excellence.
All-Pro HVAC Solutions
✅ VERIFIEDSummit Restoration
Are You a Garage Conversion Professional?
Get listed on CostWhale and reach thousands of customers searching for garage conversion in New Jersey.
💡 Tips to Save on Garage Conversion in New Jersey
- 1.Check local ADU laws — many cities now fast-track garage conversion permits
- 2.Keep the garage door opening and frame it in (saves $2,000-$4,000 vs structural wall)
- 3.Skip the bathroom if it's a home office or playroom to save $5,000-$10,000
- 4.Ductless mini-split AC/heat ($3,000-$5,000) is cheaper than extending existing HVAC
📈 Garage Conversion in New Jersey Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $19,111 | — |
| 2021 | $19,914 | +4.2% |
| 2022 | $21,208 | +6.5% |
| 2023 | $21,802 | +2.8% |
| 2024 | $22,500 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Garage Conversion in New Jersey
Recent Reports
Frequently Asked Questions
Does a garage conversion add home value?
Yes, typically returning 80-130% of the investment. Converting a 2-car garage adds 400-500 sq ft of living space. However, losing garage parking can reduce value in some markets.
Do I need a permit for a garage conversion?
Almost always yes. Converting a garage to living space requires building permits for electrical, plumbing, HVAC, and structural changes. Unpermitted conversions can cause issues when selling.
Garage Conversion Cost in Other States
Related Cost Guides for New Jersey
🔍 Get Free Quotes from Local Pros
Compare prices from pre-screened contractors in your area. Free, no-obligation estimates.
* CostWhale may earn a commission. This doesn't affect our pricing data or recommendations.
💰 Get Weekly Cost-Saving Tips
Join 10,000+ smart homeowners. Unsubscribe anytime.