Cost to Paint Baseboards Calculator

Fresh paint over a split caulk line looks worse than the split did, because the gloss draws the eye straight to it.

Rake out failed caulk, run new painter's caulk, and let it cure per the label before the first coat. A crew that skips this step is why a cheap quote looks cheap a month later.

Older trim is often oil-based enamel. Waterborne paint bonds poorly to glossy cured alkyd without sanding or a bonding primer, and it will sheet off at the first vacuum impact.

Test it: rub a hidden spot with denatured alcohol on a rag. If paint transfers, it is latex. If nothing comes off, it is oil and you need a bonding primer first.

A contractor who quotes one coat on a dark-to-light color change is under-scoping the job. Dark trim going white needs a tinted primer plus two finish coats at minimum, and white has the weakest hide of any color.

One-coat quotes on a color change hide a return trip charge, or you live with the old color ghosting through. Ask for the primer to be named as a line item on the estimate.

Brush one coat at $0.75 to $1.50 per LF is a refresh, not a repaint. It works only when the existing color stays the same and the film is sound. Anything else and one coat will telegraph.

Prime plus two coats of latex is the honest default for lived-in trim. It buys adhesion over old oil-based paint and covers scuffs at the shoe line.

Spray plus hand-sand at $2.00 to $4.00 per LF is a renovation-grade finish. Pay for it when the room is empty, the trim is bare or stripped, and you want a factory-flat surface with no brush marks. In a furnished room, the masking labor eats the benefit.

Condition is the single biggest lever in the estimate: 0.8 for good, 1.0 for fair, 1.4 for poor. That 1.4 is not a padding factor, it is measured prep hours.

Poor means caulk lines that have split away from the wall and need raking out and re-running. It means peeling or alligatored film that has to be scraped back to a sound edge and feathered.

Flat paint on trim also counts against you: it holds dirt, cannot be wiped, and semi-gloss is the standard. Painting over a greasy or dirty surface causes peeling, so the shoe line has to be degreased before any coat.

It also means a dark-to-light color change. Walnut or hunter green trim going white is a tinted-primer job plus a likely third coat, and painters price it as poor condition even when the wood itself is fine.

Walk the room before you get quotes. Every foot you can honestly call good instead of fair drops your number by 20 percent.

Most painters carry a $200 to $400 minimum for showing up. That covers the drive, the drop cloths, the tape, the cleanup, and the fact that they cannot book another job that morning.

At 60 LF, a $300 minimum works out to $5 per foot, well above any published rate. The rate cards only start describing reality above roughly 200 LF.

The fix is not to negotiate the minimum down, it is to fill the day. Add the door casings, the closet interiors, or a second room and you move onto the per-foot curve instead of paying for a truck roll.

Standard semi-gloss latex runs $35 to $50 a gallon. A waterborne alkyd hybrid such as Benjamin Moore Advance or Sherwin-Williams Emerald Urethane runs $70 to $100.

On a 300 LF job that is one extra gallon, so $40 or so in real money against a $300 to $750 job. Under 8 percent of the total.

The hybrids level out brush marks and cure to a harder film that survives vacuums, shoes, and mop handles. Standard latex stays softer than a waterborne alkyd hybrid and scuffs more readily on high-traffic baseboard, which is when you pay the labor again.

Labor is the expensive half of this job. Spending $40 to postpone the labor by several years is the clearest win available on the whole estimate.

If the house was built before 1978, the trim is a prime suspect for lead paint. Baseboards were routinely coated in oil-based enamel, and that is exactly what the 1.4 poor-condition prep disturbs.

Under the EPA Renovation, Repair and Painting rule (40 CFR Part 745), a contractor who sands or scrapes painted surfaces in a pre-1978 dwelling must be RRP certified and follow containment procedures. It applies to trim attached to the dwelling structure.

Expect a certified crew to quote higher and take longer. That is the rule working, not a markup. Homeowners doing their own trim are exempt from RRP, though the dust is still hazardous and worth containing.

Bundling with a wall repaint typically cuts 20 to 35 percent off the per-foot baseboard rate. On 300 LF at the standard grade, that is $60 to $260 saved.

Bundle when the walls are within a year or two of needing paint anyway. The setup, masking, and mobilization are already paid for once.

Go standalone only when the walls are genuinely fine and the trim is the only eyesore. Paying to repaint sound walls to unlock a $150 trim discount is a bad trade, and it is the trade the discount is designed to encourage.

Interior crews book solid from March through September. October through February is lower demand, and that is when bids turn negotiable. Scheduling in the off season can save 15 to 25 percent on identical scope.

The calculator does not adjust for ceiling height, the number of inside and outside corners, profile complexity, or your region. Intricate colonial profiles brush far slower than a flat modern square edge.

Rates here are national medians, and high-cost metros typically run 20 to 40 percent above them. The rate inputs are market estimates, not government-sourced, and reflect national median contractor pricing.

One gallon of trim paint covers roughly 400 linear feet of standard 3-inch baseboard at two coats. A 300 LF job is one gallon, with room to spare.

Buy 10 percent over. Running out mid-job means a second store trip and a possible tint mismatch between batches.

Add a quart of bonding primer if the existing trim is oil-based or glossy, plus painter's caulk at roughly one tube per 40 LF, sandpaper, and tape. Total materials land at $0.15 to $0.35 per LF.

Spray lays down 80 to 120 LF per hour against 40 to 60 for a brush. That looks like a clear win until you price the masking.

Baseboard sits between two surfaces you cannot overspray: finished floor below, finished wall above. Masking both, on every wall, takes longer than brushing the whole run.

Under 500 LF, brush it. A good 2 to 2.5 inch angled sash brush plus a steady hand on the wall line beats any sprayer setup you would tear down the same afternoon.

Spray earns its keep only when the trim is off the wall on sawhorses, or the room is gutted and overspray does not matter.

Materials run $0.15 to $0.35 per LF. Contracted work runs $1 to $4. On 300 LF you are keeping $200 to $1,100 by doing it yourself.

Against that, budget 6 to 8 hours of your own time at brush pace, plus caulking and sanding beforehand. That is a full weekend day for a typical floor.

DIY wins on straight runs, sound trim, and no color change. Hire out when the trim is pre-1978 and peeling, when you are going dark to white, or when the job is small enough that the minimum charge is the whole conversation anyway.

Before you pay a crew, walk the run in raking light. Check for holidays in the caulk line, primer bleed-through at the shoe line, and brush drag marks. All three are cheap fixes while the painter is still on site.