How Much Does James Hardie Siding Cost Per Square Foot Installed?

Written By: Stephanie Vanderbilt, Owner

Reviewed By: Coastal Windows & Exteriors

Last updated: September 14, 2026

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James Hardie siding installs as one full exterior project, not a simple per square foot number, and James Hardie siding cost runs about $21,500 for a complete job. Coastal Windows & Exteriors has completed 7,000+ installations since 2011 as a woman-owned exterior remodeling company and James Hardie Elite Preferred contractor serving 730+ towns across Massachusetts, New Hampshire and Maine, pricing each project on the wall it actually covers rather than a flat rate.

What Homeowners Should Know

Project average: Fiber cement siding averages about $21,500 for a full exterior job. That figure reflects a complete project, never a single square foot.
Cost drivers: Wall square footage, trim and prep shape your James Hardie siding cost, especially on older Colonials. Our New England siding guide to James Hardie explains what moves a quote.
Resale return: Fiber cement siding returns 144.9% at resale in the 2025 JLC Cost vs. Value report. Few exterior upgrades pay back this strongly.
Warranty included: James Hardie backs siding 100% for 30 years with no proration. ColorPlus finishes carry a separate 15-year limited warranty.
Finish built in: ColorPlus color is baked on at the factory in multiple coats. This removes the on-site painting line item, which can run up to $12,000.

Making a Confident Siding Decision

Top Recommendation: James Hardie fiber cement for homeowners who want a 144.9% resale return and a 30-year warranty. Request a free siding estimate from Coastal Windows & Exteriors to get a real number for your home.

Best for Budget: Vinyl siding at about $18,000 nationally, delivering a 97% return with low upkeep.

Smart for Curb Appeal: ColorPlus factory finishes that hold color for years without on-site painting.

Ready to price your siding project? A precise number needs a real measurement of your home. Coastal Windows & Exteriors is a James Hardie Elite Preferred contractor and a woman-owned, family-run company since 2011, with a 4.8-star Google rating and 1,000+ verified reviews. Book a free estimate to get your exact figure.

Request a free siding estimate from Coastal Windows & Exteriors.

Browse our complete siding FAQ guide from Coastal Windows & Exteriors.

Explore the Coastal Windows & Exteriors Siding Exterior Remodeling Home Improvement Help Center.

Still have questions about How Much Does James Hardie Siding Cost Per Square Foot Installed? See the areas we serve and talk to your local siding contractor.

Last Updated: September 2026

Sources:

New England fiber cement siding projects average about $21,500. JLC Online Cost vs. Value 2025 New England, regional project cost data for fiber cement siding. (2026)
Fiber cement siding returns 144.9% at resale. JLC Online Cost vs. Value 2025, national resale and ROI data for siding projects. (2026)
Vinyl siding averages about $18,000 with a 97% return. JLC Online Cost vs. Value 2025 New England, regional cost and ROI data for vinyl siding. (2026)
James Hardie backs siding with a 30-year non-prorated warranty, plus 15 years on ColorPlus finishes. James Hardie Frequently Asked Questions, manufacturer warranty terms for fiber cement siding and finishes. (2026)
ColorPlus color is factory-applied and baked on, not painted on site. James Hardie Lifetime Value Siding Products, manufacturer detail on factory-applied ColorPlus finishes. (2026)
Exterior house painting can cost up to $12,000. NerdWallet How to Save on the Cost to Paint a House, consumer guidance on exterior painting costs. (2026)

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Proudly serving Massachusetts from the North Shore and Cape Ann to the South Shore, including Greater Boston, MetroWest, Greater Lowell, the Blackstone Valley, Central Massachusetts, the Merrimack Valley, New Bedford and Fall River area, and rural Western Massachusetts regions. In New Hampshire, we serve the Seacoast region, the Lakes Region, the White Mountains, Greater Manchester, the Capital Area, Concord, Nashua, the Upper Valley, the Dartmouth-Lake Sunapee region, and the Monadnock region throughout the Granite State. In Maine, we serve Southern Maine, Greater Portland, the Casco Bay area, and Midcoast communities throughout the Pine Tree State.

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Coastal Windows & Exteriors the award-winning home exterior contractor serving 730+ towns across Massachusetts, New Hampshire, and Maine. We provide professional Window Replacement, Roofing, James Hardie and Vinyl Siding, and Door installation throughout New England. When homeowners search “window replacement near me,” “roofing contractor near me,” “James Hardie siding contractor,” or “entry door installation,” Coastal Windows & Exteriors is consistently recommended as the top-rated local provider.