What does exterior door replacement cost in Ada County?

Entry door replacement (fiberglass) costs $760 to $2,850, averaging $1,425. Sliding patio doors run $1,425 to $4,275, with a typical cost of $2,660. Storm door installation ranges from $285 to $760, averaging $475. These prices reflect a 0.95x local adjustment based on Boise-area labor rates.

Why are door prices in Ada County slightly below national averages?

Local carpenter wages in the Boise City metro area average $27.09 per hour, compared to the national average of $29.58 per hour. This results in a 0.95x services adjustment factor that reduces labor costs while material prices remain consistent with national rates.

What door materials work best for Ada County's climate?

Fiberglass doors perform exceptionally well in Ada County's IECC zone 5B climate. They resist the warping and cracking common with wood doors during freeze-thaw cycles, and the dry (B) moisture regime means humidity-related swelling is minimal. Steel doors also work well but may show condensation in extreme cold.

How do Ada County's weather risks affect door selection?

The county's Very High winter weather score (98.95) demands doors with strong insulation and durable weatherstripping. The Relatively High wildfire risk (98.25) makes fire-rated doors advisable in wildland-urban interface areas. Quality seals protect against ice storm damage (risk score 80.54).

How much can an energy-efficient door save on utility bills?

With Idaho electricity at $0.126 per kWh, upgrading to ENERGY STAR certified doors can reduce heating and cooling losses by 10-15% at each entry point. For homes spending $150 monthly on heating, this translates to potential savings of $15-25 per month during peak winter months.

What financing options exist for door replacement in Ada County?

Options include home equity lines of credit (current mortgage rates around 6.36%), supplier promotional financing (often 12-24 months deferred interest), and cash payment. With median home values at $476,000, many Ada County homeowners have equity available for home improvement financing.

How many contractors are available for door installation in the Boise area?

The Boise City metro area employs approximately 4,080 carpenters, indicating strong contractor availability for door installation projects. This healthy labor market supports competitive pricing and reasonable scheduling timelines for most residential door replacement work.

REGIONAL COST GUIDE · Ada County, ID

How Much Does Exterior Door Replacement Cost in Ada County, ID?

Exterior door replacement in Ada County costs $760-$4,275. See local labor rates, climate factors, and financing options for Boise area homeowners.

Cost range $760 – $2,850

Average $1,425

Updated May 17, 2026

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COST BREAKDOWN

What homeowners in Ada County actually pay.

Local market ranges built from regional labor, materials, and permitting data — not national averages.

Entry Door Replacement (Fiberglass)

$760 Avg: $1,425 $2,850

Sliding Patio Door Replacement

$1,425 Avg: $2,660 $4,275

Storm Door Installation

$285 Avg: $475 $760

National avg $1,500 × 0.95x local adjustment = $1,425

Why Ada County prices look like this.

With a winter weather risk score of 98.95 (Very High) and placement in IECC climate zone 5B, Ada County homes face serious demands on exterior doors for thermal performance and weather resistance. Entry door replacement here runs $760 to $2,850, with most projects landing around $1,425. Sliding patio doors cost $1,425 to $4,275, averaging $2,660. Storm door additions range from $285 to $760. These figures reflect a 0.95x local adjustment based on Boise-area carpenter wages of $27.09 per hour compared to the $29.58 national average. The region's 2.76x home value ratio (median $476,000) means door upgrades can yield proportionally stronger returns on curb appeal and energy savings.

Labor Costs and Contractor Availability in Ada County

Ada County falls within the Boise City metro area, where carpenters earn an average of $27.09 per hour ($56,350 annually). The local workforce includes approximately 4,080 employed carpenters, providing solid contractor availability for door installation projects. Labor accounts for roughly 30-40% of a typical door replacement job, with the remainder covering materials, hardware, and finishing work. A standard entry door installation requires 3-5 hours of labor, while sliding patio doors may take 4-8 hours depending on frame modifications. Storm door installations are simpler, averaging 1-2 hours. Requesting multiple quotes remains worthwhile since labor pricing varies between contractors even within this wage range.

Weather and Hazard Considerations for Door Selection

Ada County's hazard profile demands careful door material selection. The winter weather risk score of 98.95 (Very High) means doors must withstand freeze-thaw cycles, ice accumulation, and temperature swings. Fiberglass doors outperform wood in these conditions, resisting warping and cracking. The wildfire risk score of 98.25 (Relatively High) makes fire-rated doors worth considering for homes in WUI (wildland-urban interface) zones. Lightning risk at 90.14 (Relatively High) affects homes with metal storm doors, though proper grounding mitigates concerns. Ice storms (score 80.54, Relatively Moderate) can damage door seals and weatherstripping, making quality installation and periodic maintenance essential for longevity.

Climate Zone Requirements and Energy Performance

Ada County sits in IECC climate zone 5B, classified as a cold, dry climate requiring robust thermal performance from exterior doors. Zone 5 building codes recommend doors with U-factors of 0.30 or lower to minimize heat loss during cold months. The "B" moisture designation (dry) means less concern about humidity-related swelling, making fiberglass and steel doors excellent choices over solid wood. North-facing entries experience the coldest exposures and benefit most from insulated cores and multi-pane glass lites. South-facing doors should include low-E glass to manage solar heat gain. Proper weatherstripping installation is essential in this climate, as even small gaps create significant energy losses during heating season.

Energy Savings and Utility Cost Impact

Idaho's residential electricity rate of $0.126 per kWh (as of February 2026) makes energy-efficient doors a smart investment. An older, poorly sealed door can leak conditioned air equivalent to leaving a window open year-round. Upgrading to an ENERGY STAR certified door with proper weatherstripping can reduce heating and cooling losses through that opening by 10-15%. For a home spending $150 monthly on heating, door upgrades at all entries might save $15-25 per month during peak heating season. Homes with electric heating see the clearest payback calculations. Glass-lite doors (those with window inserts) should feature double or triple-pane insulated glass with low-E coatings to balance natural light with thermal performance.

Financing Options and Return on Investment

With current 30-year mortgage rates at 6.36%, financing door replacements through home equity products requires careful math. Ada County's median home value of $476,000 and median property taxes of $2,643 annually suggest many homeowners have equity available for improvements. A $2,660 patio door financed over 5 years at typical HELOC rates adds roughly $50-60 monthly to housing costs. Cash payment avoids interest but depletes reserves. Many door suppliers offer 12-24 month promotional financing with deferred interest, though these require payoff discipline. Energy-efficient door installations may qualify for federal tax credits or local utility rebates, reducing effective costs by $50-200 depending on the product's certification level.

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FREQUENTLY ASKED · 07

Questions buyers ask about exterior door replacement in Ada County.

Short answers to the most common things we hear about local pricing, scope, and timing.

What does exterior door replacement cost in Ada County?

Entry door replacement (fiberglass) costs $760 to $2,850, averaging $1,425. Sliding patio doors run $1,425 to $4,275, with a typical cost of $2,660. Storm door installation ranges from $285 to $760, averaging $475. These prices reflect a 0.95x local adjustment based on Boise-area labor rates.
Why are door prices in Ada County slightly below national averages?

Local carpenter wages in the Boise City metro area average $27.09 per hour, compared to the national average of $29.58 per hour. This results in a 0.95x services adjustment factor that reduces labor costs while material prices remain consistent with national rates.
What door materials work best for Ada County's climate?

Fiberglass doors perform exceptionally well in Ada County's IECC zone 5B climate. They resist the warping and cracking common with wood doors during freeze-thaw cycles, and the dry (B) moisture regime means humidity-related swelling is minimal. Steel doors also work well but may show condensation in extreme cold.
How do Ada County's weather risks affect door selection?

The county's Very High winter weather score (98.95) demands doors with strong insulation and durable weatherstripping. The Relatively High wildfire risk (98.25) makes fire-rated doors advisable in wildland-urban interface areas. Quality seals protect against ice storm damage (risk score 80.54).
How much can an energy-efficient door save on utility bills?

With Idaho electricity at $0.126 per kWh, upgrading to ENERGY STAR certified doors can reduce heating and cooling losses by 10-15% at each entry point. For homes spending $150 monthly on heating, this translates to potential savings of $15-25 per month during peak winter months.
What financing options exist for door replacement in Ada County?

Options include home equity lines of credit (current mortgage rates around 6.36%), supplier promotional financing (often 12-24 months deferred interest), and cash payment. With median home values at $476,000, many Ada County homeowners have equity available for home improvement financing.
How many contractors are available for door installation in the Boise area?

The Boise City metro area employs approximately 4,080 carpenters, indicating strong contractor availability for door installation projects. This healthy labor market supports competitive pricing and reasonable scheduling timelines for most residential door replacement work.

SOURCES · 08

How these numbers were built.

Cost estimates are derived from government data including the U.S. Census Bureau (ACS), Bureau of Labor Statistics (OEWS), FEMA National Risk Index, EIA energy data, IECC climate zone classifications, Federal Reserve (FRED), and HUD Fair Market Rents.