Home renovation costs in Idaho.
Idaho runs about 2% below the national average for construction in 2026. Here is what the seven most-requested home projects actually cost locally — and how to turn a range into a real quote.
In 2026, a bathroom remodel in Idaho costs $8,800–$17,600, a kitchen remodel $14,200–$41,200, and a roof replacement $7,800–$19,600. Overall, Idaho construction prices are about 2% below the national average (index 0.98).
2026 cost table for Idaho
| Project | 2026 range in ID | Typical |
|---|---|---|
| Bathroom remodel | $8,800 – $17,600 | $13,200 |
| Kitchen remodel | $14,200 – $41,200 | $27,700 |
| Roof replacement | $7,800 – $19,600 | $13,700 |
| Deck / patio | $4,400 – $11,800 | $8,100 |
| Solar install | $14,700 – $27,400 | $21,100 |
| Room addition | $47,000 – $107,800 | $77,400 |
| Interior painting | $2,200 – $6,400 | $4,300 |
Illustrative 2026 ranges: national mid-range bands × the Idaho cost-of-construction index (0.98). Your quote depends on site conditions, materials, and local demand — see how we price.
What drives costs in Idaho
Boise's boom pushed prices up from a low base; still right around the national average.
Pricing here tracks national guides closely, so any national cost article you read applies with little adjustment. Your finish tier and the specific contractor will move your number more than geography will.
For context: the cheapest state in our index is Mississippi (0.84) and the most expensive is Hawaii (1.48). Idaho ranks #27 of 51. Try the cost calculators to adjust any project for size and finish level.
How Idaho compares in the West
| State | Cost index | Typical bathroom remodel |
|---|---|---|
| Idaho | 0.98 | $13,200 |
| Hawaii | 1.48 | $20,000 |
| California | 1.32 | $17,800 |
| Alaska | 1.27 | $17,100 |
| Washington | 1.19 | $16,100 |
| Oregon | 1.14 | $15,400 |
| Colorado | 1.12 | $15,100 |
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How much does a bathroom remodel cost in Idaho?
A typical bathroom remodel in Idaho runs $8,800 to $17,600 in 2026, with most homeowners landing near $13,200. Size, finish tier, and moving plumbing drive where you fall in that range.
Is Idaho an expensive state to renovate in?
Idaho runs about 2% below the national average for construction in 2026 (cost index 0.98, ranked #27 of 51). Boise's boom pushed prices up from a low base; still right around the national average.
What does a kitchen remodel cost in Idaho in 2026?
Expect $14,200 to $41,200 for a full kitchen remodel in Idaho, and $7,800 to $19,600 for a roof replacement. See the full table on this page for all seven major projects.
How do I get an exact price in Idaho?
These are illustrative 2026 ranges from Rafter's methodology — national mid-range cost bands adjusted by Idaho's cost-of-construction index. For an exact number, request up to 3 free quotes from vetted local pros; quotes are free and carry no obligation.
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