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How much does a siding replacement cost in Thornton, CO?

Regionally adjustedUpdated Prices checked October 20262 sources

In Thornton, a siding replacement typically runs $5,260 to $16,770, about $10,960 for a typical job. That is the US national range from HomeAdvisor ($5,559 to $17,727) adjusted by the Mountain factor of 0.95 from the 2025 Cost vs. Value Report. Checked October 2026.

Adjusted for the Mountain region

Low
$5,260
Typical
$10,960
High
$16,770

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Siding replacement cost in Thornton, CO

Each row says exactly what the figures are and where they come from.

Siding replacement cost in Thornton, CO
EstimateLowTypicalHighBasisChecked
Mountain estimate$5,260$10,960$16,770National range × 0.95: the Mountain / national cost ratio for “Siding Replacement | Vinyl” ($16,979 vs $17,950) in the 2025 Cost vs. Value ReportOctober 2026
US national range$5,559$11,588$17,727Per house: typical range of customer-reported projects (HomeAdvisor)October 2026

What drives the cost of a siding replacement

  1. Home size and shape

    Cost rises with wall area and corners.

  2. Material

    Siding materials range from $1 to $30 per sq ft.

  3. Removal of old siding

    Tear-off and disposal add labor and dumpster fees.

  4. Labor

    Labor runs $40 to $75 per hour, higher on multi-story homes.

  5. Asbestos

    Homes built before 1980 may need asbestos removal, averaging $3,200.

Permits and what's included in Thornton

Permit note

Whole-house siding jobs usually need a building permit, which runs $150 to $1,500 depending on local rules; small repairs often don't.

Rules are set locally; confirm with Thornton’s building department.

What’s usually included

  • Removal of the old siding
  • House wrap and trim in the agreed scope
  • New siding and installation labor

Scopes vary. Get the scope in writing on every quote.

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Top-ranked siding contractors in Thornton

The top 3 of 375 siding contractors we rank for Thornton, CO, by CR Score. Paid placement never changes rank.

  1. #1
    1-800-HANSONS
    CR Score 644.7from 808 Google reviews
  2. #2
    Ace Handyman Services Aurora
    CR Score 604.9from 143 Google reviews
  3. #3
    Aloha State Builders, Inc.
    CR Score 605.0from 76 Google reviews

See all ranked siding contractors in Thornton

Siding replacement cost in Thornton: questions

How much does a siding replacement cost in Thornton, CO?

In Thornton, a siding replacement typically runs $5,260 to $16,770, about $10,960 for a typical job. That is the US national range from HomeAdvisor ($5,559 to $17,727) adjusted by the Mountain factor of 0.95 from the 2025 Cost vs. Value Report. Checked October 2026.

Why is the Thornton price different from the national price?

The 2025 Cost vs. Value Report puts the “Siding Replacement | Vinyl” project at $16,979 in the Mountain division against $17,950 nationally, a factor of 0.95. We apply that factor to the national range. It is a division-level adjustment, not a Thornton price survey.

Do I need a permit for a siding replacement in Thornton?

Whole-house siding jobs usually need a building permit, which runs $150 to $1,500 depending on local rules; small repairs often don't. Rules are set locally, so confirm with Thornton’s building department.

What affects the cost of a siding replacement?

Home size and shape: cost rises with wall area and corners. Material: siding materials range from $1 to $30 per sq ft. Removal of old siding: tear-off and disposal add labor and dumpster fees. Labor: labor runs $40 to $75 per hour, higher on multi-story homes.

How many siding contractors serve Thornton?

We rank 375 siding contractors for Thornton, CO by CR Score. Get at least three written quotes for the same scope.

What is usually included in the price?

Removal of the old siding; House wrap and trim in the agreed scope; New siding and installation labor. Always get the scope in writing on the quote.

Sources

Checked October 2026. Figures are estimates, not quotes.

  1. HomeAdvisor: Siding installation cost · page updated June 20, 2026 · checked October 2026Primary source. Used for: Low, typical and high; drivers; permit.
  2. Journal of Light Construction: 2025 Cost vs. Value Report: Siding Replacement, Vinyl · page updated 2025 · checked October 2026Used for: Regional adjustment ratio.
  3. Journal of Light Construction: 2025 Cost vs. Value Report, Mountain division · checked October 2026Used for: Regional factor 0.95 for “Siding Replacement | Vinyl”.
These are published estimates with a documented regional adjustment, checked October 2026. They are not quotes. Typical range shown: $5,260 to $16,770. Editorial policy

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