What National Cost Guides Say About Refinishing Hardwood Floors
Anyone who starts researching hardwood floor refinishing costs runs into a wide spread of numbers within the first few search results. That's not a sign that any one guide is wrong. The consumer cost-estimating sites that publish these figures pull from different data sets, different regions, and different assumptions about what counts as a "typical" job, and they land in noticeably different places. This page walks through what several of the major national guides report, side by side, so the range makes more sense than any single number would on its own. None of the figures below describe what a project in the Sioux City metro would cost — they're national averages published by third-party guides, not local pricing.
The guides don't agree with each other
Angi's cost guide, updated August 3, 2026, puts professional refinishing at $3 to $8 per square foot, with an average project cost of $1,892 and a typical range of $1,107 to $2,681. HomeGuide's 2026 guide lands close on the per-square-foot number — $2 to $8, or roughly $800 to $3,200 for a 400-square-foot room — but its framing splits further: $2 to $7 without staining and $3 to $8 with staining added. Thumbtack, last updated July 8, 2026 and based on its own marketplace data, reports a noticeably higher national average of about $2,372, with a typical range of $1,498 to $3,763 and outliers as low as $774 and as high as $7,361. Homewyse's calculator-based estimate, from May 2026, is higher still: $6.49 to $7.92 per square foot as a starting point, built from a line-item labor, supplies, and equipment model rather than reported project totals. NerdWallet's guide, updated February 11, 2026, repeats Angi's $3-to-$8 figure directly and credits Angi as the source, so it isn't really a sixth independent data point — more a second place the same number shows up.
Put plainly: these guides disagree, sometimes by a factor of two or more on the per-square-foot rate and by roughly $500 to $1,000 on what an "average" project costs. Homewyse's figure in particular sits well above the others and is worth treating as an outlier rather than a midpoint. None of this disagreement is a formatting error — it reflects real differences in how each site collects and models its data, and it's a good reason to treat any single quoted number as a starting point for research rather than a firm expectation.
What actually moves the price within any of these ranges
Square footage is the most obvious driver, and Angi's guide breaks it out directly: a small 40-square-foot area runs $80 to $280, a 100-square-foot room $200 to $800, 250 square feet $900 to $1,800, 400 square feet $1,000 to $2,500, and a full 1,000-square-foot floor $2,000 to $5,000. The per-square-foot rate doesn't stay perfectly flat as the job gets bigger, but the total obviously scales with area.
Wood species matters too. Angi's per-species breakdown lists bamboo at $2 to $6 per square foot; cherry, engineered wood, oak, and parquet at $3 to $5; pine at $4 to $7; and mahogany or maple at $6 to $8. Harder, less common species and more labor-intensive grain patterns tend to push the estimate toward the higher end.
Stairs are priced separately from the flat sqft rate, and here the guides diverge again: HomeGuide's per-step figure is $25 to $85, while Thumbtack's is $80 to $140 per step — a wide enough gap that it's worth getting a project-specific number rather than assuming either range applies.
Repairs and prep work add to the total before finishing even starts. Angi lists board repairs at $200 to $600 and carpet removal at $120 to $720; HomeGuide's ranges for the same items are broader — $2 to $20 per square foot or $500 to $1,500 for repairs, and $0.25 to $1.00 per square foot for carpet removal. Within the sanding-and-finishing work itself, Angi breaks out sanding alone at $0.50 to $3 per square foot, staining as an add-on of $1 to $3, and the finish coat at $1 to $2 — each a separate line item that stacks with the others.
Reading a quote against these ranges
Given how much these national figures vary by source, a quote for an actual project is the only way to get a number specific to a particular floor's size, species, condition, and the amount of repair or stair work involved. The hardwood floor refinishing process itself — what's actually done from prep through the final coat — affects where a job lands within these ranges, and repair work or a color change adds its own line items on top of the base sanding-and-finishing cost. Request a quote for a project-specific estimate rather than relying on a national average alone.
For a sense of how long a project like this actually takes once it's scheduled, see how long refinishing takes. And if it's still an open question whether refinishing is the right move at all versus replacing the floor, refinish or replace lays out the factors that matter for that decision.