Roof Replacement Cost in Boise (2026)

A full asphalt roof replacement in Boise runs roughly $8,000–$20,000 in 2026, with most Treasure Valley jobs landing between $10,000 and $15,000, according to Idaho Roofing Contractors' Boise guide. A typical Boise-area single-family roof is 20–40 squares. The average Idaho roof is 2,010 sq ft, per InstantRoofer's Idaho data.

The published averages sit inside that range. InstantRoofer's Idaho data, updated August 10, 2026, puts the Boise average total at $12,680, or $6.31 per sq ft. Emerald Roofing Group puts Idaho's 2026 full replacement average at about $15,500.

Ballpark your own roof with the estimator on this page, then sanity-check any bid against the ranges below.

Roofing is priced per square, and one square is 100 sq ft. Legacy Roofing Idaho puts Boise shingle prices at $400–$800 per square. Four factors move the number on your roof:

• Size. Most Boise-area homes are 20–40 squares. More squares mean more material and more labor.
• Pitch. A steep roof takes longer and is riskier to work on, so labor runs higher.
• Tear-off layers. Removing a second existing layer adds $1,500–$3,000, says R2F Construction.
• Material. Three-tab shingles run $1–$2 per sq ft, architectural shingles $2–$5 per sq ft, and premium shingles $5+ per sq ft, per Legacy Roofing Idaho.

Hidden damage adds cost: deck replacement runs $3–$5 per sq ft of affected area, and premium shingles add about $1–$2 per sq ft, per R2F Construction.

Asphalt is the budget pick; metal costs roughly 60–70% more up front but lasts 40–50+ years versus 25–30 years, per R2F Construction. Dodd Roofing puts standing seam at two to three times asphalt's cost. Here is how the published Boise numbers stack up:

Per-sq-ft pricing tells the same story: asphalt at $6.31, metal at $13.84, and designer shingles at $7.88 per sq ft in InstantRoofer's 2026 Idaho data. Signature Roofing quotes standing seam at $12.50–$18.00 per sq ft, corrugated or R-panel at $8.50–$13.50, and stone-coated steel at $11.50–$16.50.

For maximum storm protection, Class 4 impact-resistant shingles add 10–20%, says Dodd Roofing.

Yes, Boise requires a permit. The City of Boise's Homeowner's Guide lists “Re-roof an existing structure” under building permits, and applications plus inspections run through the city's online Permitting-Licensing System. The city's general line is (208) 608-7000. R2F Construction estimates permit fees at $150–$300 depending on home value; Emerald Roofing Group puts permit fees at $75–$250 in Ada and Canyon County. Unincorporated Ada County also requires a roofing permit, per the third-party Alliance Permitting guide.

Idaho does not license contractors. DOPL's FAQ states it directly: “The Act requires registration, not licensure.” Registration applies to any construction job over $2,000 in materials and labor. Contractors must carry general liability of at least $300,000 single limit and either workers' comp coverage or a written reason why it's not required. There is no exam, education, or experience prerequisite.

Any contractor you hire should pass DOPL's public “Search for a Registration” lookup. The DOPL Contractors Board charges $120 for initial registration and $120 for biennial renewal as of July 1, 2026.

Every Boise roofing bid should make sense per square. One square is 100 sq ft, and Legacy Roofing Idaho prices shingles at $400–$800 per square. InstantRoofer's Idaho average: $6.31 per sq ft, or $631 per square — 2,010 sq ft at $6.31 per sq ft works out to about $12,680, the published Boise average.

Run this quick check on any bid:

• Convert to one number. Divide the total by your roof's squares and compare it to $400–$800.
• Confirm the material. Architectural and three-tab shingles price differently.
• Ask about tear-off. A second layer adds $1,500–$3,000.
• Confirm the permit is in the bid. Boise requires one; published estimates run $75–$300.
• Check registration. Verify the contractor's DOPL number in the public lookup.

Bids far outside the local ranges deserve a second look: $8,000–$20,000 for asphalt, $15,500–$22,000 for a 2,000 sq ft home with architectural shingles, $18,000–$35,000 for standing seam.

Hail sells roofs elsewhere, but the NOAA record says it's rare in Ada County. NOAA's Storm Events Database logged just 6 hail events there from 2016 through 2025, on 3 days in March, April, or June, with no deaths, injuries, or recorded property damage. The largest stone was 1.25 inches in Kuna.

Wind is the real threat. NOAA logged 32 thunderstorm-wind events and 5 high-wind events in the same decade, with gusts of roughly 58–81 mph, concentrated in May, June, and September. On May 28, 2026, Boise hit 68 mph gusts and over 20,000 people lost power in Ada and Canyon counties, KIVI-TV reported. On June 26, 2026, small hail piled up in northwest Meridian while gusts hit 53 mph in Caldwell and 51 mph at the Boise Airport, per East Idaho News.

Buy for wind. Architectural shingles ($2–$5 per sq ft) outperform three-tab ($1–$2 per sq ft), and Class 4 impact-resistant shingles add 10–20% for maximum protection.