Start with what a garage costs, then pour the slab, frame it and ask your building department. Every count and size comes from the garage designer for a real 24x24, so the guides and your plan always agree.
Start here · 12 min read
We priced our garage designs line by line, at named stores and from named price guides. Here is what a garage costs to build, size by size, where the money goes and what moves the price.
Read the guideFor the 24x24 garage at 30 psf of ground snow, 115 mph of wind and a 36 in frost line, as the designer draws it. Our default: the number the garage designer draws. Code rule: from the International Residential Code 2021, as adopted where you build. Depends: your town, your loads or your store change it. Your building department and the truss maker have the last word.
After the price, set the slab and the frame. Every drawing is the 24x24 from the free plans, as the designer draws it.
Step 1
Every free design priced line by line, the slab and a hired crew on top, and the choices that move the total.
Step 2
The slab and its edge first, then the walls, the headers over the doors and the trusses.
Garage Foundation: Slab, Footing and Frost WallHow to choose and pour a garage foundation: when a thickened-edge slab is enough, slab thickness, anchor bolts, the steps in order and what it costs.9 min
How to Frame a Garage: Walls, Headers, TrussesHow to frame a garage on a slab: 2x4 or 2x6 walls, the garage door header, portal frames beside a wide door, bracing, raising the walls and setting trusses.12 min
Step 3
What to ask your building department, and how cars, doors and a bench fit on the floor.
Garage Building Permit: What to Expect Before You DigDo you need a garage building permit? What the building department asks for, the 5 ft fire-separation rule, the inspections in order and how the fee works.8 min
Garage Floor Layout: Plan the Space Before You BuildHow to plan a garage floor layout before you build: room per car, door sizes and position, walk door and windows, workbench, drainage, and five sizes compared.8 minEach links straight to its answer, with the sources beside it.
Tools
The International Residential Code 2021 and the published handbooks come first, with the rule cited. Price guides are marked as secondary and used only for costs no store lists.
Concrete, studs, trusses and prices come from the garage designer's plan for a real size, the same engine that draws the free plans.
Every price names its store or price guide and the day we read it. Trusses and concrete are estimates from published ranges, kept apart. How the checks work
Design it, then build it
Draw your garage in 3D for your snow, wind and frost line. The slab, the framing, the headers, the trusses and the priced materials list follow every change. Free, no account.
Design my garage, free
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