Homeowners typically pay a broad range for a 2-car detached garage, driven by foundation, framing, and finish options. The price you see will hinge on lot access, materials, and local labor rates. This article summarizes the cost to build a 2-car detached garage, with quick ranges and per-unit details to help budget and compare quotes.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Total project | $25,000 | $40,000 | $70,000 | For a basic to mid-range 2-car detached garage on standard grade soil |
| Foundation (concrete slab) | $4,000 | $8,000 | $12,000 | Includes reinforcement and subgrade prep |
| Framing & siding | $9,000 | $16,000 | $28,000 | Wood or steel frame; siding varies by material |
| Roof & gutters | $3,000 | $6,000 | $12,000 | Asphalt shingles common; metal higher |
| Doors & windows | $2,000 | $4,000 | $8,000 | Two-car door package varies by insulation |
| Electrical package | $1,500 | $3,000 | $6,000 | Lighting, outlets, subpanel options |
| Permits & inspections | $500 | $1,500 | $3,000 | Location-dependent |
Overall Price Range for a 2-Car Detached Garage
Costs typically span $25,000 to $70,000 depending on the scope and finishes. Assumptions: Midwest labor rates, standard wood framing, 20×22 footprint, concrete slab, basic finish, no plumbing, no added insulation beyond code.
Foundation, Slab, and Subgrade: Concrete Cost Details
Concrete foundation is a major driver. A full slab with rebar and a compacted subbase for a 20×22 footprint often runs $4,000-$12,000 depending on site access and soil conditions. If crawlspace or full basement is chosen, costs can jump to the $20,000+ range for the same footprint.
Frame, Exterior Walls, and Roofing Price Segments
Framing and exterior materials form a large share of the total. Expect $9,000-$28,000 for mid-range wood framing with siding choices such as vinyl or composite. Upgrading to steel framing or premium siding may raise the range by 10–40%.
| Component | Per-Unit Range | Notes |
|---|---|---|
| Footprint | $40-$120 per sq ft | Typical 20×22 (440 sq ft) yields $17,600-$52,800 for framing alone |
| Siding material | $5-$12 per sq ft | Vinyl, fiber cement, or engineered wood options |
Doors, Windows, and Insulation: What Affects the Price
Two-car garages commonly use a double-wide insulated door. Premium hardware or extra windows add cost. A basic package sits around $2,000-$4,000, while insulated doors plus windows and medium-grade insulation can reach $6,000-$8,000.
Electrical Installations Within the Garage Build
Electrical work for lighting, outlets, and a subpanel typically ranges $1,500-$3,000, with a few thousand more if dedicated circuits or a EV charger is included. Labor complexity or upgraded panels can push higher.
Regional Variations in 2-Car Garage Costs by Climate and Market
Costs vary by region due to labor, materials, and permit requirements. Expect a regional delta of about ±20% compared with national averages. For example, coastal markets often run higher than rural inland areas for the same shell.
Labor and Time: Typical Crew Size and Timeline
A standard crew of 3–5 trade workers will usually complete a mid-range build in 1–3 weeks, weather permitting. Labor contributes roughly $8,000-$16,000 of the total, depending on local rates and overtime needs.
Permits, Inspections, and Code Upgrades
Permitting costs depend on city or county rules. Typical fees range $500-$3,000, with higher totals for complex drainage, setbacks, or zoning approvals. Missing permits can incur fines or project delays.
Finishing Levels: Basic vs. Deluxe Interiors
A basic shell with minimal interior work runs around $20,000-$35,000. Adding interior drywall, insulation, and finished electrical can push toward $40,000-$70,000 for a fully usable space.
Mini-Case: A 20×22 Foot Detached Garage in a Suburban Lot
Assuming a standard build with vinyl siding, asphalt roof, basic door package, and no plumbing, a 20×22 garage typically lands in the $28,000-$48,000 range. If premium finishes or a second entry door are added, expect higher figures.
Cost Reduction Techniques Without Sacrificing Safety
To trim the price, consider simplifying the footprint to reduce foundation or opting for standard materials. Scheduling the build in a slower season and reusing existing concrete forms can yield modest savings.