Factoring the Cost to Build a Garage

Calculating the cost to build a garage can be tricky. There are number of factors to consider, including size, materials and who will do the work. After you've looked at some examples and considered your needs, a cost estimate will help you decide how to proceed.

What Does It Cost To Build A Garage?

  • A plan of action. In order to accurately figure out the cost to build a garage, you'll need a plan. Be sure to consult with your local building inspector and homeowner's association for any special requirements you'll need to incorporate into your garage plan. Whether you purchase a pre-designed plan, hire an architect or design your own garage, make sure the plan is as comprehensive as possible. A complete plan will include details of the foundation, framing and finish.
  • Size matters. The basic footprint for a single car garage is 10'x22'-you'll need to double that for two cars. Your cost will increase if you include extra space for storage, maintenance or other needs. An extra floor of living or recreational space will also increase the cost of your finished garage.
  • Together or separate? Another factor that will affect the cost to build a garage is whether the structure will be attached to your home or stand separately. While an attached garage requires one fewer new walls, you'll incur extra cost for demolition (if required) and to connect the roof and structure to your existing dwelling.
  • What's it made of? The building materials used to construct your garage will be a big factor in determining its cost. While wooden framing is most common, concrete block and metal studs are also options. You will most likely want the exterior finish to complement your home and these costs should be factored in as well.
  • A door of your own. The cost of a garage door is not insignificant. This should come as no surprise, considering that most of one wall of your garage will be covered in door. You'll need to add the cost of the door, installation costs and an automatic opener to your calculations.
  • Getting connected. Don't forget the cost of connecting and running utilities to your garage. While electricity may be obvious, what about water and sewer lines if you want a sink or bathroom? If you've got living or recreational space above the garage, you may also want to consider phone and cable lines as well.
  • Waving the white flag. If totaling up all of these expenses (and time and effort) involved has your head spinning, you may want to consider hiring a contractor to build your garage. In general, you can expect to spend between $35 and $45 per square foot to have a garage built by an experienced contractor.
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