When Denver homeowners start researching fiber cement siding, the first question is almost always the same: what will it actually cost to install Hardie Plank siding on my home? It is a fair question, and the honest answer is that no two projects come in at the same number. A single-story ranch in Parker will have a very different price tag than a two-story home in Highlands Ranch with multiple gables and dormers. What we can do is break down the factors that move the needle so you walk into your project with clear expectations.
What Goes into the Cost to Install Hardie Plank Siding
Several layered cost components determine your final quote. Understanding each one helps you compare estimates on an apples-to-apples basis instead of just looking at the bottom line.
- Materials: HardiePlank lap siding is sold by the square (100 sq ft of coverage). The product line you select — standard HardiePlank versus thicker Hardie Artisan boards — changes the per-square cost. Trim boards, corner boards, and accessories add to the material total.
- Labor: Fiber cement is heavier and more specialized to cut and install than vinyl. A crew experienced with James Hardie installation commands a premium, and that premium is worth it: improper install can void warranties and lead to moisture problems down the road.
- Tear-off and disposal: Removing existing siding — especially if it is old wood or stucco — adds labor hours and dumpster fees. If the sheathing underneath is damaged, expect additional repair costs.
- Permits and inspections: Most Denver metro municipalities require a siding permit. Fees vary by city but typically run from $75 to $300.
How Colorado Weather Shapes Installation Costs
Denver sits at over 5,000 feet of elevation, and the Front Range sees some of the most destructive hail in the country. That combination directly impacts what you pay. HardiePlank is engineered for exactly this kind of climate: it carries a Class A fire rating, is tested to resist wind up to 110 mph, and will not warp or delaminate under moisture and freeze-thaw cycles the way wood does. Those performance specs justify a higher material cost than vinyl, but they also mean fewer repair bills after a hailstorm rolls through Aurora or Castle Rock.
The cost to install Hardie Plank siding also reflects climate-specific installation requirements. James Hardie publishes specific clearance and fastening instructions for cold-weather regions. Following them takes time and expertise, which is part of what you are paying for.
Product Choices That Affect Your Final Quote
Within the James Hardie family, the options you choose drive cost up or down. ColorPlus Technology — James Hardie’s factory-applied, baked-on finish — comes with a 15-year finish warranty. It costs more up front than primed boards, but it eliminates the need to hire a painter after installation. In neighborhoods like Stapleton and Westminster, where HOA standards require specific color palettes, ColorPlus can save you a second round of contractor visits.

Trim selections matter too. James Hardie offers fascia, trim, and corner boards that match or complement your siding. Going with a full James Hardie system — siding plus trim — usually costs more than mixing brands, but it keeps your warranty intact and delivers a cleaner look.
Getting an Accurate Estimate
A reputable contractor should give you an itemized quote, not a single round number. When you receive an estimate for the cost to install Hardie Plank siding, make sure it breaks out each component. You can learn more about what a detailed siding replacement quote should include from James Hardie’s siding cost guide on their site.
Here is what a thorough estimate should cover:
- Siding materials priced per square, with the specific HardiePlank product named
- Trim and accessory boards listed separately
- Labor with a clear scope — tear-off, install, cleanup
- Permit costs and inspection scheduling
- Waste removal and dumpster fees
- Any repair work for damaged sheathing or moisture barriers
Why the Lowest Quote Is Not Always the Best Value
James Hardie backs HardiePlank with a 30-year non-prorated product warranty — but that warranty depends on correct installation. A bid that comes in significantly lower than others may reflect shortcuts: skipping the moisture barrier, improper fastening, or using a crew unfamiliar with fiber cement. The savings disappear quickly when you factor in repair work or a warranty claim that gets denied due to installation errors.
Colorado’s hail season is unforgiving. We have seen homes in Lakewood and Arvada take damage from 2-inch hailstones that would have destroyed vinyl siding but left HardiePlank largely intact. Paying for proper installation the first time is the smartest long-term investment you can make.
Ready to Talk about Your Siding Project?
If you are planning a siding replacement in the Denver metro area, we would love to help. Scottish Home Improvements has been installing James Hardie products across the Front Range for years, and we know how to price a project honestly — no surprises, no hidden fees. Reach out today for a free, itemized estimate, and let us show you exactly what goes into the cost to install Hardie Plank siding on your home.



About The Author: Martin Faith
Martin Faith is the founder and owner of Scottish Home Improvements. In 2002, Martin became inspired to start his own siding company after he had a negative experience with a local contractor. His goal was to set a new standard for the industry by providing excellent customer service. Today, Scottish Home Improvements is the top Elite Preferred James Hardie contractor in the state of Colorado. Over the years, Martin's company has received numerous awards and recognitions including 12 consecutive gold stars and an A+ Rating from the BBB as well as the James Hardie President's Club Award.
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