As of September 2026, a full roof replacement in Mountain Home runs about $5,600 to $10,400 for a typical 1,700 square foot home, or $266 to $495 per square installed from 3-tab to designer shingles. Architectural shingles (GAF Timberline HDZ) are $380 to $410 per square. Measured from aerial imagery, verified on site before any contract.
Mountain Home's roofing market is shaped by the Air Force Base: steady military turnover keeps a large share of homes in rental service, where deferred roof maintenance is common, alongside 1960s to 1980s ranches in the older grid and newer subdivisions north of town. Pre-sale and pre-lease roof inspections are a bigger share of the work here than anywhere else we serve. The table below applies the September 2026 installed rates to each home size; on the high desert the bid moves on wind rating, UV-worn shingles and the drive from the core valley more than on tear-off surprises.
| Home size | Roof area | 3-tab (GAF Royal Sovereign) | Architectural (GAF Timberline HDZ) | Metal |
|---|---|---|---|---|
| Under 1,200 sq ft | 14 to 16 squares | $3,700 to $4,300 | $5,300 to $6,600 | $6,000 to $12,400 |
| 1,200 to 1,800 sq ft | 16 to 22 squares | $4,300 to $5,900 | $6,100 to $9,000 | $6,800 to $17,000 |
| 1,800 to 2,500 sq ft | 22 to 30 squares | $5,900 to $8,000 | $8,400 to $12,300 | $9,400 to $23,200 |
| 2,500 to 3,500 sq ft | 30 to 42 squares | $8,000 to $11,200 | $11,400 to $17,200 | $12,800 to $32,600 |
| Over 3,500 sq ft | 42 to 50 squares | $11,200 to $13,300 | $16,000 to $20,500 | $17,800 to $38,800 |
Roof area is the billable squares a home of that size usually needs, including pitch, overhangs and waste; one square is 100 square feet of roof. Totals are the September 2026 installed rate for each line multiplied by that range, rounded to the nearest $100. Metal spans exposed-fastener panels to standing seam.
This site prices from a partner price book (Bork Roofing) at an all-in rate per square, $380 to $410 installed for GAF Timberline HDZ, covering installation, tear-off of one existing layer, starter strip and drip edge, ridge cap, ice and water shield, standard flashing and pipe boots, disposal, steep-slope labor up to 8/12. Guides that quote a wider span average many bids with many markups.
The number is for the measured roof, not the floor area: a typical 1,700 square foot home in Mountain Home carries about 21 squares of roof, which is where $5,600 to $10,400 comes from; the estimator measures yours.
Add-ons other guides fold into an average are itemized only when they apply: extra tear-off layers ($45 per square for each existing layer beyond the first); steep pitch ($35 per square on planes steeper than 8/12); decking (2 sheets included, then $95 per sheet); permit (the city's own fee where it is on file, else a $150 allowance).
Outside reference: This Old House, Cost of Roof Replacement in Idaho puts the Idaho average at $7,947 as of May 2026 ($6,117 to $20,703 statewide); a typical Mountain Home home at $5,600 to $10,400 sits inside that span.
The older grid around American Legion Boulevard is mostly single-story ranches at low, walkable pitches, the cheapest slope to shingle. The newer subdivisions north of town are standard truss roofs. Steep pitch is rare in Mountain Home, so pitch seldom moves a bid; roof area and wind rating do.
Rental turnover means many Mountain Home roofs were patched rather than replaced, and a second layer over a worn first layer is a frequent finding on the 1960s to 1980s ranches. Idaho code caps a roof at two layers, so those come off to the deck, and full replacement is more common than repair here for that reason.
Plywood decks on the mid-century ranches are usually sound; the damage on the high desert is from above. Summer highs above 100 degrees and hard winter freezes at 3,100 feet expand and contract the roof daily, breaking down shingle adhesive strips, and UV at elevation oxidizes asphalt faster than on the valley floor, so the shingles fail before the deck does.
Mountain Home reroofs are permitted through the City of Mountain Home Building Department, with Elmore County covering properties outside city limits. It is the only city in our service area in Elmore County, roughly 45 minutes southeast of the core valley, so scheduling is usually batched: coordinating with neighbors gets crews there faster. The permit fee follows the city's current fee schedule; ask for it as its own line on the bid. Source: City of Mountain Home Building Services.
Mountain Home sits on the open Snake River Plain with almost no terrain shelter, and sustained wind, not hail, is the defining roofing condition. Along American Legion Boulevard and the I-84 frontage roads, high-wind-rated shingles or metal panel systems are the sensible spec, because gust-driven creasing, lifted tabs and ridge cap failures are what local roofs accumulate.
Mountain Home is about 45 miles southeast of Boise on I-84, and crews from the core valley build the drive into every job. That is why Mountain Home work is batched: a crew that can reroof three homes on one street in a week gets to each of them sooner than three separate trips would. The base-area rentals also need landlord sign-off, which is worth starting before the estimate.
Pricing last updated September 2026. Per-square rates are the September 2026 Treasure Valley installed price list for the GAF asphalt lines and metal panel systems in the estimator; every figure on this page is calculated from that list, not typed in.
Roofs in Mountain Home are measured from aerial imagery. Aerial LiDAR has not yet been published for Elmore County, so your estimate is measured from aerial imagery and confirmed on site. A local roofing pro measures on site before any contract. How the measurement and pricing work and who runs RoofingQuotePro and who pays are on their own pages.
No appointment. No salesperson. Just your address, and the roof is measured from aerial imagery.
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