House Painting Cost in Portsmouth, NH (2026)
Updated October 2026 · Portsmouth, NH · index 1.11
How much does it cost to paint a house in Portsmouth? For 2,500 sq ft of paintable surface with interior: walls, ceilings, trim & doors, homeowners in Portsmouth, NH pay about $8,050 on average, and most quotes land between $5,200 and $10,900 — $2.07 to $4.36 per sq ft painted. The price covers protection and masking, prep and spot priming, two finish coats, trim and doors on a full interior, and the final walk-through.
The house painting price in Portsmouth runs 11% above the U.S. average: construction labor in the Portsmouth area runs 18% above the national mean, materials 1% above. The same job averages $7,250 nationally and about $7,200 at the New Hampshire statewide index.
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House painting price in Portsmouth by painting scope
What 2,500 sq ft of paintable surface costs in Portsmouth with each painting scope, installed:
| Option | Average · range |
|---|---|
| Interior: walls, ceilings, trim & doorstwo coats throughout, the full repaint$3.22 per sq ft painted | $8,050$5,200 – $10,900 |
| Interior: walls & ceilingstwo coats, trim and doors left as they are$2.48 per sq ft painted | $6,200$4,000 – $8,400 |
| Exterior: siding & bodywashed, prepped and two coats; trim priced apart$2.22 per sq ft painted | $5,550$3,400 – $7,700 |
The least expensive option in Portsmouth is exterior: siding & body, at about $5,550; interior: walls, ceilings, trim & doors averages $8,050, 1.4 times as much.
Cost to paint a house in Portsmouth by size
With interior: walls, ceilings, trim & doors, priced for Portsmouth, NH:
| Size | Average · range |
|---|---|
| 1,000 sq ft of paintable surface$3.40 per sq ft painted | $3,400$2,150 – $4,650 |
| 2,500 sq ft of paintable surface$3.22 per sq ft painted | $8,050$5,200 – $10,900 |
| 4,000 sq ft of paintable surface$3.17 per sq ft painted | $12,700$8,200 – $17,200 |
Some costs stay the same whatever the size — walk-through and touch-ups — so a bigger job costs less per unit: $3.17 per sq ft painted for 4,000 sq ft of paintable surface against $3.40 for 1,000 sq ft of paintable surface.
What a house painting in Portsmouth includes
Line by line, the $8,050 average for 2,500 sq ft of paintable surface breaks down like this: 83% labor, 17% materials and equipment.
| Line | Low – high |
|---|---|
| Floor and furniture protection | $120 – $270 |
| Patch, sand and caulk | $400 – $1,100 |
| Spot primer | $120 – $250 |
| Walls, two coats | $2,400 – $4,800 |
| Ceilings, two coats | $780 – $1,550 |
| Trim and baseboard | $600 – $1,300 |
| Doors, both sides | $600 – $1,200 |
| Walk-through and touch-ups | $170 – $440 |
Each line is the price book's U.S. rate for that step times Portsmouth's index of 1.11; permit fees are not scaled.
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What affects house painting prices in Portsmouth
Labor and materials in Portsmouth
Construction wages in the Portsmouth metro run 27% above the U.S. mean (BLS, May 2025), and specialty-contractor pay in the city's county moves that down by 7%, to 18% above the national mean. Materials in the area's ZIP codes price 1% above the national average. Together they give Portsmouth a construction cost index of 1.11.
Where Portsmouth sits in New Hampshire
Portsmouth is the most expensive of the 4 New Hampshire cities in our index, against a statewide index of 0.99. Concord is the least expensive at 0.98.
Against the rest of the country
Of the 306 U.S. cities in JobFlex's index, Portsmouth ranks 75th from the most expensive. The job that averages $8,050 here averages $7,250 at the national rate.
Sales tax in New Hampshire
New Hampshire has no state sales tax. Prices on this page are before any tax.
What a Portsmouth contractor will ask before quoting
- Surfaces, condition and colors
- Ceiling height and trim scope
- Occupied — phasing and protection
House painting cost in other New Hampshire cities
2,500 sq ft of paintable surface with interior: walls, ceilings, trim & doors averages $8,050 in Portsmouth; $7,100 in Concord, $7,200 in Nashua, $7,200 in Manchester.
| City | Average · range |
|---|---|
| Concord, NH12% less | $7,100$4,550 – $9,650 |
| Nashua, NH11% less | $7,200$4,600 – $9,750 |
| Manchester, NH11% less | $7,200$4,600 – $9,750 |
house painting price in Portsmouth: questions
How much does it cost to paint a house in Portsmouth, NH?
About $8,050 for 2,500 sq ft of paintable surface with interior: walls, ceilings, trim & doors, and most Portsmouth quotes fall between $5,200 and $10,900. That is 11% above the U.S. average, where the same job averages $7,250.
What is the painting price per square foot in Portsmouth?
$2.07 to $4.36 per sq ft painted, about $3.22 on average with interior: walls, ceilings, trim & doors. Smaller jobs cost more per unit, because the fixed costs are spread over less.
How much is 4,000 sq ft of paintable surface in Portsmouth?
$8,200 to $17,200, about $12,700 on average, with interior: walls, ceilings, trim & doors — $3.17 per sq ft painted.
Do you need a permit for house painting in Portsmouth?
Usually not: finish or repair work that changes no wiring, plumbing or structure is exempt under the International Residential Code, though Portsmouth or an HOA can still ask for one.
Does the price include sales tax in New Hampshire?
No tax is included, and New Hampshire has no state sales tax.
What is the cheapest painting scope for house painting in Portsmouth?
Exterior: siding & body, at about $5,550 for 2,500 sq ft of paintable surface. Interior: walls, ceilings, trim & doors runs about $8,050.
Other home projects in Portsmouth
House painting cost in New Hampshire
How these prices are built
Every price on this page comes from JobFlex's contractor price book: what a homeowner pays a licensed contractor for each step of the job, as a U.S. national average per unit, with the contractor's overhead and profit included and sales tax left out. The house painting is priced step by step, then multiplied by Portsmouth's construction cost index of 1.11.
Where the price book's steps for an option add up to more than 20% over the installed price a published source gives for the whole job, every step but a permit fee is scaled down to the middle of that range: exterior: siding & body × 0.52 (HomeGuide 2026: $1.00–$3.00 per sq ft painted).
The index weighs local construction wages (BLS Occupational Employment and Wage Statistics, May 2025) at 60% and the area's material prices (Craftsman ZIP-area factors) at 40%. Published indices for Portsmouth, each on its own base: RSMeans residential 0.95, HUD 1.02, Craftsman 1.06. Treat any city figure as about ±5%; a contractor's quote for your house is the number to plan with.
Contractors in Portsmouth build quotes like these with JobFlex's Smart Proposal estimator.
- HomeGuide 2026: painters charge $1-$3/sqft; a room $350-$850; trim $1-$4/linear ft
- HomeGuide 2026: whole-home interior $3,500-$10,000 (1,500 sqft home $4,500-$6,000); labor 70-85% of the job