How Much Does James Hardie Siding Cost in Longmont CO? Real 2026 Prices
Straight answer: James Hardie fiber cement siding installation in Longmont, Colorado in 2026 typically costs between $12 and $20 per square foot installed, depending on the product line, color system, home complexity, and whether storm damage insurance is involved. Here are the real numbers, broken down clearly.
James Hardie Product Line Costs in Longmont
- HardiePlank lap siding: $12–$16/sq ft installed — most popular product, horizontal lap profile
- HardiePanel vertical siding: $11–$15/sq ft installed — board and batten or smooth panel style
- HardieShingle: $14–$20/sq ft installed — cedar shake look with fiber cement performance
- HardieSoffit: $8–$12/linear ft installed — vented and non-vented options
ColorPlus vs. Primed (Field Painted)
James Hardie offers two finish options:
- ColorPlus Technology: Factory-applied baked finish, 15-year warranty, costs $1–$2/sq ft more, but eliminates painting costs and delivers superior long-term color retention in Colorado’s UV environment. This is what we recommend.
- Primed (field painted): Less expensive upfront, requires quality exterior paint applied on-site, needs repainting every 7–10 years.
What Goes Into the Installed Cost
- Tear-off and disposal of existing siding
- House wrap or moisture barrier replacement where needed
- Furring strips if required for drainage plane
- James Hardie material (purchased through authorized distributor)
- Professional installation labor
- Trim, corner boards, and J-channel
- Caulking at all penetrations, corners, and windows
- Permit (required for full siding replacement in most Boulder County jurisdictions)
Does Insurance Cover James Hardie Siding?
Yes — if your existing siding has hail damage, your homeowners insurance covers replacement with like-kind material. In many cases, we can document damage that justifies upgrading to James Hardie if your existing siding is vinyl or aluminum. Josh Brooks Construction handles the entire insurance process.
Average Total Project Costs for Longmont Homes
- 1,200 sq ft home (1,800 sq ft siding surface): $21,000–$30,000
- 1,800 sq ft home (2,400 sq ft siding surface): $29,000–$40,000
- 2,500 sq ft home (3,200 sq ft siding surface): $38,000–$55,000
Get Your Free Hardie Siding Estimate
Josh Brooks Construction and Renovation Inc. — authorized James Hardie installer, Boulder County Licensed CON-25-0089, veteran-owned.
Call 720-828-7997 | 2167 Frontier St, Longmont, CO 80501