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Garage Conversion Cost in Gaithersburg, MD
Detailed pricing guide with local market adjustments and material comparisons
Gaithersburg Average
$15,000–$40,000
Market Tier
Mid-Size City
Cost Breakdown
Garage Conversion Cost in Gaithersburg
Mid-Size CityLowAverageHigh
$15,000$27,500$40,000
Market Tier
Mid-Size City (1x)
Mid-size city with average market costs
Material Cost Comparison
Framing lumber(Budget)
$11,250–$30,000Insulation(Mid-Range)
$15,000–$40,000Drywall(Premium)
$21,000–$56,000Factors that affect your cost
- Garage size
- Scope (room vs full ADU with kitchen/bath)
- Foundation and floor leveling
- Insulation and drywall
- Window and door installation
- HVAC extension
- Electrical and plumbing
- Permit and zoning requirements
- Parking replacement
Get Quotes in Gaithersburg
Gaithersburg Housing Market
Median Home Price
$579,000
Homes for Sale
50
Price per Sq Ft
$285
Local Pros
600
Home Service Professionals Near Gaithersburg
lender 101Agents 95multimedia_specialist 82Landscapers 78Roofers 65Movers 65Flooring 57Cleaners 57
Median Household Income
$107,496
Median Home Value
$484,500
Median Rent
$2,008/mo
Homeownership Rate
51.3%
Population
69,225
Median Year Built
1989
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
Renovation
Garage Conversion
Date
April 2026
Cost
$27,500
Vendor
Your local pro
Warranty
5-year material warranty
Gaithersburg average: $15,000–$40,000
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Framing lumberInsulationDrywallFlooring
Warranty Details
5-year material warranty
Auto-Checkup Created
"Conversion Inspection" — every 24 months
Added by youApril 2026
Property Health Score
Good
81
interior category +12 pts(69 → 81)
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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SM
Smith & Sons
Connectedremodeling contractor
4.9(47)
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JR
J&R Home Services
remodeling contractor
4.7(23)
From $95/hr
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Title:remodeling
Category:remodeling contractor
Date:2026-04-05
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Cost FAQ
What is the average cost of garage conversion in Gaithersburg?
The average cost of garage conversion in Gaithersburg, MD ranges from $15,000 to $40,000. The final price depends on Garage size, Scope (room vs full ADU with kitchen/bath), Foundation and floor leveling.
What factors affect garage conversion cost?
Key factors include: Garage size, Scope (room vs full ADU with kitchen/bath), Foundation and floor leveling, Insulation and drywall, Window and door installation, HVAC extension, Electrical and plumbing, Permit and zoning requirements, Parking replacement. In Gaithersburg, local labor rates and material availability also influence pricing.
How do I get accurate quotes for garage conversion in Gaithersburg?
Get at least 3 quotes from licensed professionals in Gaithersburg. Use Fizbo SmartSearch to find and compare local remodelings, read reviews, and request estimates — all in one place.