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.
http://www.homeadvisor.com/cost/flooring/refinish-wood-flooring/
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.
http://home.costhelper.com/refinishing-hardwood-floor.html
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.
http://www.homeadvisor.com/cost/flooring/refinish-wood-flooring/
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.
http://home.costhelper.com/refinishing-hardwood-floor.html
1 Refinishing stairs can add about $25-$45 per step to the total cost. 2  Severely damaged floors may need boards replaced, cracks sealed, stains bleached or other repairs before being refinished; the cost will depend on how extensive the problems areas are.
http://home.costhelper.com/refinishing-hardwood-floor.html
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.
http://www.homeadvisor.com/cost/flooring/refinish-wood-flooring/
Cleanup: Refinishing a hardwood floor can be a messy process, and most of the time the contractor will not even offer the option of paying them for cleanup afterwards. Because of this you may need to factor in the cost of a cleaning service when determining the total expense.
http://flooring.about.com/od/floor-maintenance/a/The-Cost-To-Refinish-Hardwood-Floors.htm
Average: $40 - $75 per stair. Generally a staircase will drive the cost of a refinishing project up by about 50%. This is because they are very small surfaces, that require skilled, time consuming, detail work in order to get them properly re-finished.
http://flooring.about.com/od/floor-maintenance/a/The-Cost-To-Refinish-Hardwood-Floors.htm
1 Nationwide data on hardwood flooring repairs from HomeAdvisor puts the average cost at approximately $900 to $1,300. 2  Per square foot, hardwood floor repairs cost $3 to $6. 3  Refinishing hardwood floors costs $1,000 to $3,000. 4  Do-it-yourself hardwood scratch repair kits cost $30 to $60.
http://www.costowl.com/home-improvement/flooring-hardwood-repair-cost.html
The finished product will look like a completely new hardwood floor, and can be achieved for a fraction of the price of a new installation. Average Price To Refinish Hardwood Floors: $1.50 per sq ft - $5.00 per sq ft. Average Price For New Hardwood Flooring Materials: Starts at $8.00 per sq ft and goes up from there.
http://flooring.about.com/od/floor-maintenance/a/The-Cost-To-Refinish-Hardwood-Floors.htm
how much does hardwood floor refinishing cost
The cost of hardwood floor is between $1.50 per square foot and $5.00 per square foot to refinish. The cost of refinishing a hardwood floor is from $1.50 per sq ft to $5.00 per sq ft.