$1.30 to $1.88 per square foot.
1 On average, the complete drywall process is going to cost anywhere from, $0.75 to $1.40 per square feet. 2  Commercial brand drywall tape is going to cost 30% to 50% more than standard residential drywall tape. 1 This price is not going to include the paint or primer. 2  According to the price mentioned above, a 500 square foot room can cost anywhere from $175 to $400 to tape and finish the drywall process. 3  For those that want to tape the drywall themselves, plan on paying around $0.10 to $0.32 per square foot to complete the job. However, it would take at least three days of labor to hang, tape and texture this one room project. Using a square foot rate of $1 per square foot, this job would only costs $705 for both, labor and material. Material costs being about $300 would leave only $400 for labor. For a good quality journeyman to spend 3 or more days for both hanging and finishing, $400 is not going to be quite enough. Prices for both hanging and taping drywall labor can range from 40 cents per square foot to 80 cents per square foot not including material. You should expect to pay more in labor for rooms with high ceilings, tricky angles, or decorative soffits. All dried joint compound shall be flat, smooth and free of tool marks and ridges. Note that surface texturing or skim coating is NOT included in this estimate. For a basic 500 square feet project in zip code 47474, the benchmark cost to Install Drywall ranges between $1.43 - $1.76 per square foot* . To estimate costs for your project: 1. Set Project Zip Code Enter the Zip Code for the location where labor is hired and materials purchased 1 Framing labor can cost $2-$12 or a more a square foot, or $3,500-$36,000 for a 1,600- to 3,000-square-foot home, depending on location and what's included. 2  An average house framing labor rate nationwide is about $6-$8 a square foot, or $10,000-$25,000 for 1,600-3,000 square feet.  Every remodeling project associated with small drywall repair priced base on work complexity, time spent, and hourly rate of a drywall installer. Average cost of a new drywall to get installed will vary from $41.5 to $60.0 per 4'x8'x5/8 sheet including labor and materials or from $1.30 to $1.88 per square foot.  1 Installing new drywall on the walls and ceiling of a 12x12-foot-room with 8-foot-high walls means about 530 square feet of drywall. 2  For about 4,000 square feet of drywall on all the walls and ceilings of a small home, it's $4,400-$8,600 or more. 1 Do-It-Yourselfers can bring the costs down to $150-$250 for a 12x12 room and $1,000-$3,000 for a small house, but hanging drywall requires a lot of heavy lifting by at least two people, and getting a good finish on drywall requires a lot of patience and practice. 1 Drywall materials (drywall sheets plus screws or nails, joint compound, tape, etc.) average 25 cents - 65 cents a square foot; professional installation is an additional 85 cents -$1.50 per square foot. 1 Do-It-Yourselfers can bring the costs down to $150-$250 for a 12x12 room and $1,000-$3,000 for a small house, but hanging drywall requires a lot of heavy lifting by at least two people, and getting a good finish on drywall requires a lot of patience and practice. 1 For those that want to tape the drywall themselves, plan on paying around $0.10 to $0.32 per square foot to complete the job. 2  A pack of drywall tape can cost anywhere from $4 to $10. 3  For example, the 3M 385 Scotch Drywall Fiberglass Tape retails for $10 to $13. 1 This price is not going to include the paint or primer. 2  According to the price mentioned above, a 500 square foot room can cost anywhere from $175 to $400 to tape and finish the drywall process. 3  $171.52. So in our example the material cost came out to roughly $175 without the purchase of any tools. If you have decided that this is not the project for you and would prefer to hire a contractor for the same job, contractors on average charge roughly between $1.00-1.50 per square foot. All purpose drywall mud (5 gallons) You might also pay an additional fee if your carpenter is part of the local union -- known as a union wage -- which can range from $50 to $100 per hour. A 200-square-foot sheetrock project typically takes three hours for a carpenter to install, meaning the labor cost for the carpenter will range from $150 to $300. 
http://www.howmuchisit.org/cost-to-tape-drywall/ http://drywall101.com/articles/cost.php http://homewyse.com/services/cost_to_install_drywall.html http://home.costhelper.com/framing.html http://www.rempros.com/installation-prices/cost_to_install_drywall.html http://home.costhelper.com/drywall.html http://home.costhelper.com/drywall.html http://www.howmuchisit.org/cost-to-tape-drywall/ http://www.drywall-how-to.com/drywall-cost.html http://www.homeadvisor.com/cost/walls-and-ceilings/sheetrock-drywall-prices/
cost for drywalling per square foot