Costs $3.32 to $3.70 per square foot in 2014.
As with any home improvement project, the cost of refinishing hardwood floors varies based on location, floor material, floor condition and other factors. The average cost to refinish hardwood floors is $970 to $1,250 per 300 square feet -- the average reported size of a kitchen in 2012. That cost can easily rise depending on the specific floors, their condition and extra enhancements. 1 Cost: The cost to refinish the floors is far less than replacing them. 2  The cost to install a wood floor is about $4,000 -- $2,000 more than refinishing. 3  Age: The age of your floor can be a huge factor, especially if you only installed it a few years ago. 1 Do-it-yourselfers intent on completely refinishing a 225-square-foot floor can rent a commercial sander, also called a drum sander, and buy other needed materials for about $125-$225. 2  Renting a floor buffer and buying needed supplies recoating runs $50-$100. 3  These costs go up the longer it takes to finish the project. 1 Expect to pay $340-$900 (about $1.50-$4 a square foot) to completely refinish a 15x15 foot room. 2  That generally includes sanding down to the bare wood and applying at least 2 and sometimes 3 coats of finish. 1 The price range can jump to $850-$1,125 (around $3.75-$5/square foot) or more for a refinishing specialist to do a customized job on a 225-square-foot vintage wood floor, using multiple coats of chemicals, stains and other finishes to create just the right look. 1 Expect to pay $340-$900 (about $1.50-$4 a square foot) to completely refinish a 15x15 foot room. 2  That generally includes sanding down to the bare wood and applying at least 2 and sometimes 3 coats of finish. Typical Costs. The cost for installation of a hardwood floor is usually quoted on a per-square-foot basis. The total cost of a given floor can vary greatly depending on the cost of the flooring material you choose and your location, but you can expect the range to be between $5 and $10 per square foot. According to the vendor-neutral, online home source Homewyse, the average professionally completed refinishing job costs $3.32 to $3.70 per square foot in 2014. That figures out to $2,656 to $2,960 to refinish 800 square feet of hardwood floors. This process, also known as “pad and recoat,” costs significantly less than total floor refinishing at around $1,000 to $1,400 for 800 square feet. Commercial drum floor sanders are available to rent from many home improvement stores for an average of $60 per day. Most hardwood floor recoating or refinishing projects take two or more days, which drives up the rental cost to $120 for a weekend project. 1 Cost: The cost to refinish the floors is far less than replacing them. 2  The cost to install a wood floor is about $4,000 -- $2,000 more than refinishing. 3  Age: The age of your floor can be a huge factor, especially if you only installed it a few years ago. Our free calculator uses recent, trusted data to estimate costs for your Hardwood Floor Refinishing project. For a basic 125 square feet project in zip code 47474, the benchmark cost to Refinish a Hardwood Floor ranges between $3.79 - $4.87 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 The cost of refinishing an average 15x15 (225 square feet) room is $340 to $900, costing anywhere from $1.50 to $4.00 per square foot. 2  Quality of previous finish: The finish that is currently on the hardwood floors can be a major factor in the work required to refinish or recoat the floors. 1 Cost: The cost to refinish the floors is far less than replacing them. 2  The cost to install a wood floor is about $4,000 -- $2,000 more than refinishing. 3  Age: The age of your floor can be a huge factor, especially if you only installed it a few years ago. Hardwood Refinishing Costs. 1  Hiring a professional to refinish hardwood floors might cost $3 to $5 per square foot, or $ 600 to $1,000 for 200 square feet. 2  Most refinishing jobs cost $1,000 to $3,000. 1 Refinishing stairs costs about $25 to $50 per stair. 2  Hardwood floor repairs will also add to the project cost. 3  Renting the necessary equipment for hardwood floor refinishing costs $150-$200 per day. Average Wood Floor Refinishing Costs. The minimum amount that most homeowners will spend on hardwood floor refinishing is $700 up to a maximum of around $2,500. In the mid-range of wood floor refinishing, the majority of consumers will spend $1,200 to $1,600. 
http://www.homeadvisor.com/cost/flooring/refinish-wood-flooring/ http://home.costhelper.com/refinishing-hardwood-floor.html http://home.costhelper.com/refinishing-hardwood-floor.html http://homeguides.sfgate.com/average-cost-hardwood-floor-installation-sanding-finishing-67958.html http://www.zillow.com/blog/cost-to-refinish-wood-floors-145520/ http://www.homeadvisor.com/cost/flooring/refinish-wood-flooring/ http://homewyse.com/services/cost_to_refinish_hardwood_floor.html http://www.homeadvisor.com/cost/flooring/refinish-wood-flooring/ http://costowl.com/home-improvement/flooring-hardwood-refinishing-cost.html http://www.improvenet.com/r/costs-and-prices/wood-floor-refinishing-cost
price for hardwood floor refinishing