Prices for a double garage shed vary by size, materials, foundation needs, and where the job is done. This guide shows typical cost ranges in USD and the main drivers behind the price for a double garage shed. Expect to see cost figures expressed as low, average, and high to help with budgeting.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Double garage shed (size 12×20) installed | $6,500 | $9,000 | $14,000 | Includes foundation, framing, siding, roof, doors |
| Per square foot installed | $28 | $40 | $70 | Depends on material and complexity |
| Foundation options (concrete pad) | $2,000 | $4,000 | $7,000 | Labor + materials |
| Permits and inspections | $100 | $600 | $2,000 | Varies by city |
| Electrical wiring package | $800 | $2,000 | $4,000 | Lighting, outlets, panel upgrade if needed |
Assumptions: Midwest labor rates, standard 2×4 framing, vinyl or composite siding, asphalt shingles, standard access, no unusual site prep.
What Buyers Typically Pay For a Double Garage Shed
Typical total price for a ready-to-use double garage shed ranges from $6,000 to $14,000 depending on size, materials, and site requirements. The most common setup is a 12×20 footprint with standard vinyl siding and asphalt shingles, delivered and installed on a prepared base. A midrange option usually lands around $9,000-$12,000, reflecting premium framing, better doors, and a taller ceiling. Customizations such as specialty doors, upgraded roofing, or metal siding can push totals higher.
Major Cost Components in a Double Garage Shed Quote
A concrete list of cost blocks helps buyers compare quotes clearly. Materials cover framing lumber, siding, roofing, doors, and windows. Labor includes site prep, foundation, framing, siding installation, roofing, and door setup. Equipment involves any rental or use of heavy machinery on-site. Permits and delivery add fixed fees; disposal and clean-up are often charged per project. The following table breaks down typical ranges.
| Cost Component | Low | Average | High | Notes |
|---|---|---|---|---|
| Materials | $3,500 | $5,000 | $9,000 | framing, siding, roof |
| Labor | $2,500 | $3,800 | $6,000 | crew hours, scope |
| Foundation | $1,500 | $3,000 | $6,000 | pad or slab |
| Permits | $100 | $600 | $2,000 | local rules |
| Delivery/Installation | $400 | $1,200 | $2,000 | site access dependent |
| Electrical Package | $800 | $2,000 | $4,000 | basic to upgraded |
How Size, Materials, and System Type Drive Price
Size is the primary price lever. Moving from 12×16 to 12×20 typically adds about $2,000-$4,500 in framing, roofing, and foundation work. Material choices also swing cost: vinyl siding is usually less expensive than wood or steel, and roof type matters—asphalt shingles are cheaper than metal or architectural shingles. System type, such as a finished interior with insulation, increases price significantly, often by $2,000-$6,000 beyond a basic shell.
Regional Price Differences for Double Garage Sheds
Costs vary by region due to labor rates and material availability. In the Northeast, expect higher totals around $9,500-$14,500 for a 12×20 with premium finishes. In the Southeast, averages may run $7,500-$11,500. The Midwest commonly lands in the $8,500-$12,000 range. Regional modifiers can add or subtract 10%–25% from base quotes depending on access and permitting complexity.
Labor Hours and Installation Time by System Type
Two common installation tracks are a basic shell and a fully finished interior. A basic shell (frame, exterior walls, roof, doors) often requires 2-3 workers for 5-7 days, translating to about 40-60 hours of labor. A finished interior (insulation, drywall, electrical, interior trim) can require 60-120 hours of labor, plus material costs. Scheduling limits and weather windows can add days to project timelines, affecting total price through labor costs and crew availability.
Common Add-Ons and Their Price Impact
Add-ons diversify capability but raise the price. Typical options and rough ranges include windows ($300-$900 each), extra-wide doors ($400-$1,000), built-in benches and worktops ($200-$800), shelving kits ($150-$600), and insulation upgrades ($1,000-$3,000). A higher-end electrical package with outlets, switches, and a dedicated subpanel can add $1,500-$5,000. Plan for delivery coordination fees if access is tight or long-distance.
Ways to Trim Price Without Sacrificing Quality
Smart choices keep price in check. Consider a base foundation option like an adequately prepared gravel pad instead of a full concrete pour. Select a single-slab roof design rather than curved structures in challenging terrain. Favor standard door sizes and pre-finished exterior options to reduce site labor. If possible, bundle several updates (shed plus concrete pad and electrical rough-in) with a single contractor to secure a bundled price. Planning ahead avoids rush charges and rework costs.
Budget Ranges by Package: Basic, Standard, Premium
Package tiers help buyers compare quotes quickly. A Basic double garage shed typically costs $6,500-$9,000 with standard framing, vinyl siding, and a single door. A Standard build often runs $9,000-$12,000 and adds better doors, insulated walls, and a mid-range roof. A Premium option commonly finishes interior spaces, upgrades to metal roofing or premium siding, and full electrical, landing in the $12,500-$18,000 zone. Location, permitting, and foundation complexity can tilt these ranges by ±20%.
