Deck staining cost per square foot (2026)

Last reviewed 2026-07-28 · pricing data as of 2026-07 · how we build these numbers

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Deck staining is one of the few exterior projects where the published numbers actually agree with each other — which makes it a good place to check whether a bid is fair before anyone climbs on your deck. In 2026, professional deck staining runs $2 to $6 per square foot, labor and materials included, and the honest answer to "why the 3x spread?" comes down to two things: how much prep your boards need, and how much railing the crew has to brush by hand. Here is the whole cost, taken apart.

The 2026 per-square-foot range, source by source

Rather than average the internet, we show each published figure and let you see the overlap:

The working range across all four is $2–$6 per square foot, with the fat middle around $3–$5. Of that, labor is $1.00–$2.50 per square foot — half or more of the bill on most jobs. That labor share matters twice: it explains why regional wages move deck prices, and it is exactly the slice you recover by doing the work yourself. Deck labor is priced off the same BLS 47-2141 wage base as house painting, whose national median was $23.75/hr in the May 2025 survey.

What it costs to stain a 300 square foot deck

A 300 sq ft deck — roughly 12 × 25 ft, a common size for suburban backyards — makes the math concrete:

Most contractors quoting a straightforward 300 sq ft restain in 2026 land between $900 and $1,500. If a bid comes in far below $900, read the prep language carefully — "stain over existing finish, no wash" is how one-year failures get priced. If a bid lands above $1,850, the contractor is pricing something the square footage doesn't show: extensive spindle work, stairs, stripping an old solid stain, or board replacement, and the bid should say which.

Where the money goes: labor versus stain

The stain itself is the small line. Home Depot listings retrieved 2026-07-04 put Behr DECKplus solid-color waterproofing stain at $39.98 per gallon, Behr Premium solid stain at $48.98 per gallon, and the 5-gallon Premium bucket at $219. Even buying the better product, materials for a mid-size deck are typically one to three hundred dollars — cleaner, brightener, brushes, and tape included. We deliberately do not publish a "gallons needed" table: coverage per gallon swings widely with wood porosity, age, and whether it's a first or second coat, so read the label of the specific product against your deck's condition rather than trusting a generic divisor.

Everything else is labor, and labor is prep-heavy. A proper restain is: pressure wash, one to two days of drying, sanding of any furred or splintered boards, masking the house wall, then staining — the staining is often the shortest step. On weathered exteriors generally, 2026 painting guides put scraping and stripping work at $0.50–$2.00 per square foot on its own, which is how a neglected deck migrates from the $2 end of the range to the $6 end without anyone padding the bill.

Railings, stairs, and the other geometry problems

Per-square-foot rates describe the flat deck surface, but railings and balusters are brushwork measured in linear feet and patience. A deck wrapped on three sides with spindled railing can carry as much brush time as the floor itself, and stairs add cut-in work at every riser. When you compare bids, ask each contractor to split the quote into deck surface, railings, and stairs, so a higher total traces to a visible line instead of vanishing into "labor."

The DIY math, honestly

Skip the crew and you save the labor share: $1.00–$2.50 per square foot, or roughly $300–$750 on a 300 sq ft deck. Against that, budget $40–$49 per gallon for solid stain (less for semi-transparent), $20–$40 for cleaner and sundries, and — the real cost — two to three days of your weekend spread across washing, drying, and staining, plus a rented pressure washer if you don't own one. The DIY case is strongest on a small, recently maintained deck taking a re-coat of the same product. It is weakest on a weathered deck that needs stripping or sanding: that is skilled, tedious work, and it is precisely the part that determines whether the finish lasts seven years or one.

Staining the deck while painting the house?

The two jobs share a crew type but not a price structure. Deck stain is priced per square foot of horizontal surface with heavy prep sensitivity; house painting is priced per square foot of wall, converted from your footprint and stories, with the siding material setting the rate. If the deck project is part of a larger exterior refresh, run the house side through our exterior house painting calculator. It shows the wall-area conversion factor and the per-material rates, which run from $1.50–$3.60 for vinyl up to $2.50–$5.60 for brick, so you can sanity-check a combined bid line by line. Bundling both jobs with one contractor often earns a modest discount on mobilization, but only if each scope is separately itemized — a single "exterior package" number is where overpricing hides.

Frequently asked questions

How much does it cost to stain a 300 square foot deck?

Professionally, from about $600 at the very low end to about $1,850 at the top of published 2026 rates, with most straightforward jobs landing between $900 and $1,500. The spread is driven almost entirely by prep condition and railing footage, not the stain — a gallon of solid-color Behr stain retails for $40–$49.

What does deck staining cost per square foot in 2026?

Plan on $2–$6 per square foot professionally applied, labor and materials included. Homewyse's May 2026 calculator puts it at $2.96–$6.16, Angi's 2026 guide at $2–$5, and Thumbtack and HomeGuide at $2–$6. Labor is $1–$2.50 of that, which is why DIY looks cheap on paper.

Is it cheaper to stain a deck yourself?

On materials alone, yes — you skip the $1–$2.50 per square foot labor share, roughly $300–$750 on a 300 sq ft deck, and pay $40–$49 per gallon for a quality solid stain plus cleaner and applicators. What you take on is the prep: washing, full drying time, sanding, and a two-to-three-day weather window. A poorly prepped DIY job can fail in a year and you pay twice.

How often does a deck need restaining?

It depends on stain transparency and sun exposure. Manufacturer guidance and 2026 staining guides generally put clear sealers at 1–2 years, semi-transparent stains at 2–4 years, and solid stains at 4–7 years on horizontal boards — with full-sun, high-traffic decks at the short end of every range.

Should I stain or paint my deck?

Stain, in almost every case. Horizontal deck boards flex, hold water, and take foot traffic, so film-forming paint tends to peel there; penetrating stain wears gradually and recoats without stripping. Paint belongs on vertical surfaces — siding and trim — where films hold up. If your project also includes repainting the house body, price that side with our exterior painting calculator.