Siding Installation Cost in Kahului, HI (2026)
Updated October 2026 · Kahului, HI · index 1.27
How much does new siding cost in Kahului? For 2,000 sq ft of wall with vinyl siding, homeowners in Kahului, HI pay about $17,500 on average, and most quotes land between $11,900 and $23,100 — $5.94 to $11.53 per sq ft of wall. The price covers removing the old siding, house wrap, flashing at every opening, the new siding with corners and trim, vents and blocks, caulk, the dumpster and cleanup.
The siding installation price in Kahului runs 27% above the U.S. average: construction labor in the Kahului area runs 33% above the national mean, materials 17% above. The same job averages $13,800 nationally and about $17,100 at the Hawaii statewide index.
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Siding installation price in Kahului by siding material
What 2,000 sq ft of wall costs in Kahului with each siding material, installed:
| Option | Average · range |
|---|---|
| Vinyl sidingdouble-4 lap, factory color$8.73 per sq ft of wall | $17,500$11,900 – $23,100 |
| Fiber-cement sidinglap board, blind-nailed into studs$14.45 per sq ft of wall | $28,900$19,900 – $37,900 |
The least expensive option in Kahului is vinyl siding, at about $17,500; fiber-cement siding averages $28,900, 1.7 times as much.
Cost to replace siding in Kahului by size
With vinyl siding, priced for Kahului, HI:
| Size | Average · range |
|---|---|
| 1,500 sq ft of wall$8.87 per sq ft of wall | $13,300$9,000 – $17,600 |
| 2,000 sq ft of wall$8.73 per sq ft of wall | $17,500$11,900 – $23,100 |
| 2,500 sq ft of wall$8.65 per sq ft of wall | $21,600$14,700 – $28,500 |
Some costs stay the same whatever the size — measure and material takeoff, site protection, cleanup and warranty registration — so a bigger job costs less per unit: $8.65 per sq ft of wall for 2,500 sq ft of wall against $8.87 for 1,500 sq ft of wall.
What a siding installation in Kahului includes
Line by line, the $17,500 average for 2,000 sq ft of wall breaks down like this: 60% labor, 40% materials and equipment.
| Line | Low – high |
|---|---|
| Measure and material takeoff | $130 – $330 |
| Site protection | $170 – $420 |
| Old siding removed to the sheathing | $1,000 – $2,350 |
| Dumpster and landfill fees | $380 – $750 |
| House wrap, taped and sealed | $750 – $1,400 |
| Window and door flashing | $670 – $1,750 |
| Starter strip and corners | $850 – $1,950 |
| Siding, supplied and installed | $5,850 – $9,200 |
| Window and door trim | $1,050 – $2,350 |
| Vents, hoods and mounting blocks | $300 – $800 |
| Caulk and sealant | $250 – $590 |
| Lights, shutters and downspouts reset | $290 – $750 |
| Cleanup and warranty registration | $170 – $420 |
Each line is the price book's U.S. rate for that step, scaled by 0.66 to the installed price published sources give for the whole job (see how these prices are built), times Kahului's index of 1.27; permit fees are not scaled.
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What affects siding installation prices in Kahului
Labor and materials in Kahului
Construction wages in the Kahului area run 33% above the U.S. mean (BLS, May 2025), and materials in its ZIP codes price 17% above the national average. Together they give Kahului a construction cost index of 1.27.
Where Kahului sits in Hawaii
Kahului is the most expensive of the 3 Hawaii cities in our index, against a statewide index of 1.24. Hilo is the least expensive at 1.24.
Against the rest of the country
Of the 306 U.S. cities in JobFlex's index, Kahului ranks 4th from the most expensive. The job that averages $17,500 here averages $13,800 at the national rate.
Sales tax in Hawaii
Hawaii's base state sales tax is 4%, and cities and counties can add their own. Hawaii also taxes installation labor on real property, so ask whether a quote includes tax on the whole job. Prices on this page are before tax.
What a Kahului contractor will ask before quoting
- Stories and access — lift or scaffold?
- Existing siding type and what is under it
- Trim profile and paint scope
Siding installation cost in other Hawaii cities
2,000 sq ft of wall with vinyl siding averages $17,500 in Kahului; $17,200 in Honolulu, $17,100 in Hilo.
| City | Average · range |
|---|---|
| Honolulu, HI2% less | $17,200$11,700 – $22,700 |
| Hilo, HI2% less | $17,100$11,600 – $22,500 |
siding installation price in Kahului: questions
How much does new siding cost in Kahului, HI?
About $17,500 for 2,000 sq ft of wall with vinyl siding, and most Kahului quotes fall between $11,900 and $23,100. That is 27% above the U.S. average, where the same job averages $13,800.
What is the siding price per square foot in Kahului?
$5.94 to $11.53 per sq ft of wall, about $8.73 on average with vinyl siding. Smaller jobs cost more per unit, because the fixed costs are spread over less.
How much is 2,500 sq ft of wall in Kahului?
$14,700 to $28,500, about $21,600 on average, with vinyl siding — $8.65 per sq ft of wall.
Do you need a permit for siding installation in Kahului?
It depends on the city: for re-siding some building departments want a permit and some don't, so check with Kahului's.
Does the price include sales tax in Hawaii?
No. The prices here are before tax; Hawaii's base state rate is 4%, plus any local rate. Hawaii taxes installation labor too.
What is the cheapest siding material for siding installation in Kahului?
Vinyl siding, at about $17,500 for 2,000 sq ft of wall. Fiber-cement siding runs about $28,900.
Other home projects in Kahului
Siding installation cost in Hawaii
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 siding installation is priced step by step, then multiplied by Kahului's construction cost index of 1.27.
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: vinyl siding × 0.66 (HomeGuide/This Old House 2026 plus Modernize/Dropcurb 2026: $4.25–$9.50 per sq ft of wall); fiber-cement siding × 0.82 (HomeGuide 2026 plus Modernize/Dropcurb 2026: $6.25–$16.50 per sq ft of wall).
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 Kahului, each on its own base: Craftsman 1.18. Treat any city figure as about ±5%; a contractor's quote for your house is the number to plan with.
Contractors in Kahului build quotes like these with JobFlex's Smart Proposal estimator.
- HomeGuide 2026: fiber-cement siding $6-$15/sqft installed, labor $4-$9/sqft
- HomeGuide/This Old House 2026: vinyl siding $4-$8/sqft installed
- Modernize/Dropcurb 2026: siding removal $0.25-$1.50/sqft