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Detached Garage Cost in Massachusetts

Detached Garage in Massachusetts costs $38–$90 per sq ft in 2026. A typical 576 sq ft project averages $33,408. Massachusetts is in the Northeast region, where labor and materials run on the higher end of national pricing.

Reviewed by , Founder & Cost Analyst, BuildCost

Last updated

Quick Answer

How much does a detached garage cost in Massachusetts? A detached garage in Massachusetts costs $21,888–$51,840 in 2026, with most homeowners paying around $33,408 for a typical 576 sq ft project.

Get Your Exact Massachusetts Estimate

Pre-set to detached garage in Massachusetts — enter your project size for a localized range.

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How big is your Detached Garage?

A 1-car garage is ~240 sq ft. A 2-car garage is ~576 sq ft.

sq ft
Per sq ft
$38–$90
Typical range
$21,888–$51,840
Average
$33,408
Labor share
50%

Massachusetts Average Cost (2026)

$21,888 – $51,840
Average: $33,408 for a 576 sq ft project
Massachusetts is in the Northeast region. Labor costs in the Northeast tend to run 15–25% above the national average due to high demand and union labor markets.

Cost Breakdown

Economy
$21,888
Basic materials, competitive bids
Standard
$33,408
Mid-grade materials, avg contractor
Premium
$51,840
High-end finishes, experienced crew
Est. labor: $16,704
Est. materials: $16,704

Based on a 576 sq ft project in the Northeast region. Actual costs vary by contractor, site conditions, and material choices.

Detached Garage Cost by Size in Massachusetts

288 sq ft, 576 sq ft, and 1,152 sq ft detached garage cost in Massachusetts — the most common sizes (2026).

Project sizeLowMidHigh
288 sq ft$10,944$16,704$25,920
576 sq ft$21,888$33,408$51,840
1,152 sq ft$43,776$66,816$103,680

Based on $38–$90 per sq ft in the Northeast region. A 1-car garage is ~240 sq ft. A 2-car garage is ~576 sq ft.

Building a Detached Garage in Massachusetts: Local Factors

What makes detached garage projects in Massachusetts different from the national baseline.

Permits & codes

Massachusetts requires Home Improvement Contractor (HIC) registration for garage construction, and any contractor supervising structural work must additionally hold a Construction Supervisor License (CSL) — verify both through the Office of Consumer Affairs before hiring. The Massachusetts State Building Code applies statewide, with permits issued locally.

Climate & foundations

The Massachusetts State Building Code sets a commonly cited 48-inch frost depth statewide, deeper in the Berkshires — full-depth footings are a real line item and skipping proper depth is a common source of long-term foundation problems. New England's dozens of annual freeze-thaw cycles make air-entrained concrete worth specifying.

Market & timing

Greater Boston garage costs run well above central and western Massachusetts, tracking the metro's broader labor premium. HIC registration and CSL licensure are both worth verifying directly rather than taking a contractor's word for it — Massachusetts's registration databases are public and easy to check.

Financing Calculator

Estimate your monthly payment based on loan type and current rates.

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%
Estimated Monthly Payment
$409.76/mo
10 year Home Equity Loan at 8.25% APR
Total Interest Paid
$15,763
Total Amount Paid
$49,171

Rates shown are approximate averages as of 2025 and will vary based on your credit score, lender, and loan-to-value ratio. Consult a lender for an accurate quote.

Return on Investment

How much value does a detached garage add to your home at resale?

65%
Average return · Garage Addition (industry estimate)
of project cost
recouped at resale
Project Cost
$33,408
Value Added
+$21,715
Net Cost
$11,693
$
Attached garages typically recoup more than detached. Not included in the 2025 Cost vs. Value report.

How Detached Garage compares to other projects

Detached Garage ←
65%
Garage Door Installation
268%
Kitchen Remodel
113%
Siding Installation
97%
Wood Deck
95%
Bathroom Remodel
80%

ROI figures based on Remodeling Magazine Cost vs. Value Report 2024, national averages. Actual resale value depends on your market, home price tier, and project quality.

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Frequently Asked Questions

How much does a detached garage cost in Massachusetts?

In Massachusetts, a typical 576 sq ft detached garage project costs between $21,888 and $51,840, with a mid-range average of $33,408. Massachusetts is in the Northeast region.

How much is labor for a detached garage in Massachusetts?

Labor accounts for approximately $16,704 of the total cost for a 576 sq ft detached garage project in Massachusetts. Labor costs in the Northeast tend to run 15–25% above the national average due to high demand and union labor markets.

How much does a 2-car garage cost in Massachusetts?

BuildCost's 576 sq ft default size is a 2-car garage — it typically costs $21,888–$51,840 in Massachusetts, averaging $33,408.

Do I need a permit to build a detached garage in Massachusetts?

Massachusetts requires Home Improvement Contractor (HIC) registration for garage construction, and any contractor supervising structural work must additionally hold a Construction Supervisor License (CSL) — verify both through the Office of Consumer Affairs before hiring. The Massachusetts State Building Code applies statewide, with permits issued locally.

How do I find a contractor for a detached garage in Massachusetts?

Get at least 3 quotes from licensed local contractors, verify their license with Massachusetts's contractor licensing board, and check reviews on Google or the BBB. Use our free estimate tool to understand fair pricing before you negotiate.

Does a detached garage add value to your home in Massachusetts?

On average, a detached garage recoups about 65% of its cost at resale nationwide. For a $33,408 project in Massachusetts, that's approximately $21,715 in added home value. Actual ROI varies by neighborhood and market conditions.

Detached Garage Cost by Massachusetts City

Local pricing, permit notes, and climate factors for major Massachusetts metros.

Detached Garage Calculators

Estimate exact costs and material quantities for your detached garage project.

Get Your Estimate

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How big is your Detached Garage?

A 1-car garage is ~240 sq ft. A 2-car garage is ~576 sq ft.

sq ft

Pro Tips

  • Get at least 3 contractor quotes
  • Ask about permit requirements
  • Budget 10–20% contingency
  • Check contractor licenses

See the Full Picture

Curious how Massachusetts compares across every project type, not just detached garage?

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