1 To completely refinish a hardwood floor—meaning sand it down to bare wood, then apply several coats of new finish—expect to pay $1.50 to $4 per square foot, or $340 to $900 for a 15-by-15-foot room.  If your floor is slightly worn but otherwise in good condition, you could get by on just recoating it without sanding.
http://www.realtor.com/advice/home-improvement/how-much-does-it-cost-to-refinish-hardwood-floors/
Cost to Refinish Hardwood Flooring. On average, you can expect to pay $2-5 per sq. ft. to have your floors refinished (labor and materials included). Most contractors will charge somewhere in the middle of this price range.
http://www.remodelingcalculator.org/cost-refinish-hardwood-floors/
We're asking readers to share how much they spent on a given item, project, or upgrade in the home. We hope this information proves helpful to anyone needing to get a basic sense of how much something costs, and how much you can expect to pay to hire someone.
http://www.apartmenttherapy.com/how-much-did-it-cost-to-restore-or-refinish-your-hardwood-floors-203593
However, you need to keep your furniture off the floors for at least 2 weeks, and rugs for the full 60 days. Acid-cured finish is an ideal option for a home with high-end or exotic hardwoods, as well as floors with elaborate designs (mosaics). Cost: $3.75- $5 per sq. ft. for professional application.
http://www.remodelingcalculator.org/cost-refinish-hardwood-floors/
Made using three to four layers of wood glued together, engineered hardwood is often more durable, more environmentally friendly and can stand up better to changes in humidity as well as unruly children. The material costs are about the same as traditional hardwood, but the installs are faster and cheaper.
http://www.homeadvisor.com/cost/flooring/
1 This will typically cost $1 per square foot, or $225. 2  For a custom job involving stains and other finishes, expect to pay $3.75 to $5 per square foot, or $850 to $1,125.  Labor is the major variable when figuring the cost of refinishing hardwood floors, because the price of skilled labor varies throughout the country. For instance, HomeWyse says refinishing a 15-by-15-foot room in ritzy Scarsdale, NY, costs $611.92 to $789.42, while the cost in Mobile, AL, is $473.45 to $608.02.
http://www.realtor.com/advice/home-improvement/how-much-does-it-cost-to-refinish-hardwood-floors/
But here are some ballpark estimates if you hire a pro: To completely refinish a hardwood floor—meaning sand it down to bare wood, then apply several coats of new finish—expect to pay $1.50 to $4 per square foot, or $340 to $900 for a 15-by-15-foot room.
http://www.realtor.com/advice/home-improvement/how-much-does-it-cost-to-refinish-hardwood-floors/
– Stairs. If you want stairs refishined, you can expect to pay $25-45 per step. Here is a table with a detailed price quote to refinish 850 sq. ft. of hardwood. Note that this is only a “ballpark” estimate that can help you plan your budget. However, this is not a replacement for a quote from a reputable contractor.
http://www.remodelingcalculator.org/cost-refinish-hardwood-floors/
Good floors also just make your home feel better. The choices for types of floors can be dizzying. Before you start tearing up carpet, consider what flooring fits the way you live in a particular room. If you or your kids spend a lot of time sitting or playing on the floor, carpet or area rugs might be the way to go. If allergies are an issue, wood floors or tile might be better. Costs for each kind of material vary widely, depending on quality and, of course, square footage. And the labor costs can dwarf the material expense.
http://www.homeadvisor.com/cost/flooring/
Before you make choices about where to cut costs and where to splurge when it comes to your flooring, remember that floors get more wear and tear than any other part of your home. What might save you money up front in lower grade materials and do-it-yourself installation may cost you more in the long run.
http://www.homeadvisor.com/cost/flooring/
cost to refinish hardwoods
The cost for refinish hardwoods is between $2 and 5 per sq. ft. The cost to refinish hardwoods is between $2 and $5 per square foot. The cost of refinishing a hardwood is from $2 to $5 per sq.ft. The cost to refinish hardwoods is between $2 and $5 per square feet.