How much does a deck addition cost in Boise, ID?

The average deck addition in Boise, ID costs $19,822 in 2026. Costs range from $6,938 for a basic project to $54,510 for a high-end renovation. Boise is 1% less expensive than the national average of $20,000.

What is the labor rate for contractors in Boise?

The average contractor labor rate in Boise, ID is $30.25/hour, compared to the national average of $30/hour. For a deck addition, labor typically accounts for 55% of the total cost, which is approximately $10,902 in Boise.

Are materials more expensive in Boise?

Boise has a material cost index of 97 (national average = 100). Materials cost about 3% less than the national average. For a deck addition, materials account for 45% of the cost, approximately $8,920.

Do I need a permit for a deck addition in Boise?

Yes, a deck addition typically requires building permits in Boise, ID. The average permit cost in Boise is $1,852. Always confirm requirements with the Boise building department before starting work.

Is a deck addition a good investment in Boise?

A deck addition provides an estimated 65% ROI nationally. In Boise, where the median home price is $347,811, this project costs about 5.7% of your home value. This is a moderate investment relative to home value — focus on features that appeal to buyers in the local market.

Deck Addition in Boise, ID — Costs $6,938 to $54,510

What does deck addition cost in Boise? Average $19,822, ranging $6,938–$54,510. Labor runs $30.25/hr locally — 1% below the national average. Free breakdown with material + labor split.

Boise, ID Market

-1% vs national

Labor Rate

$30.25/hr

Material Index

Avg Permit Cost

$1,852

Median Home Price

$347,811

Boise is a mid-sized city in Idaho with a healthy pool of local contractors. Homeowners generally have several options to compare for a deck addition, which helps keep pricing competitive. Boise offers slightly below-average renovation costs, giving homeowners a small cost advantage compared to most US markets. The median home in Boise is valued at $347,811, putting this project at about 5.7% of home value — a moderate investment with a projected 65% ROI.

Low Estimate

$6,938

National: $7,000

Mid-Range

$19,822

National: $20,000

High End

$54,510

National: $55,000

Per Sq Ft

$35

National: $35

Duration: 1-3 weeks

DIY: Hard

Permits: Required

ROI: 65%

Deck Addition Cost Calculator for Boise

Adjusted for Boise's labor rate ($30.25/hr) and material costs (index 97).

Project Size: 200 sq ft

50 sq ft1,000 sq ft

Quality Level

Mid-grade materials, good quality fixtures, standard options.

Estimated Total in Boise

$19,822

Based on 200 sq ft at mid quality, adjusted for Boise market rates.

Local Cost Breakdown

Labor (55%)$10,902

At Boise's average rate of $30.25/hr (1% above national avg)

Materials (45%)$8,920

Material cost index 97 (3% below national baseline of 100)

Deck Addition vs. Home Value in Boise

Metric	Boise	National Avg
Deck Addition (Mid-Range)	$19,822	$20,000
Median Home Price	$347,811	$350,000
Project as % of Home Value	5.7%	5.7%
Estimated ROI	65%	65%
Median Household Income	$80,749	$75,000

What Affects the Price in Boise

1Local labor rates ($30.25/hr in Boise)
2Material cost index (97 vs national 100)
3Deck size
4Material (pressure-treated, composite, cedar)
5Height and structure
6Railing style

Popular Upgrades

Composite decking (Trex)
Built-in lighting
Cable railing

Other Projects in Boise, ID

Solar Panel Installation

$24,490

HardROI 55%

Outdoor Kitchen Installation

$19,745

HardROI 50%

Roof Replacement

$17,874

HardROI 68%

Siding Replacement

$17,805

HardROI 76%

Second Story Addition

$197,833

HardROI 60%

Accessory Dwelling Unit (ADU) Construction

$148,375

HardROI 80%

Room Addition

$89,025

HardROI 55%

Home Addition

$78,980

MediumROI 60%

Deck Addition in Other Idaho Cities

Meridian, ID

$18,319

-8%Pop. 117,635

Nampa, ID

$19,937

+1%Pop. 100,200

Idaho Falls, ID

$16,986

-14%Pop. 64,609

Caldwell, ID

$22,967

+16%Pop. 59,338

Pocatello, ID

$16,786

-15%Pop. 56,320

Coeur d'Alene, ID

$24,703

+25%Pop. 54,628

Twin Falls, ID

$22,637

+14%Pop. 51,807

Planning a Deck Addition in Boise

Building permits are typically required for a deck addition in Boise. The average permit fee in this area is $1,852, though costs vary based on project scope. Permit fees in this market are above average — factor them into your total budget. Plan for 1-3 weeks from start to finish.

A deck addition is a complex project best left to licensed professionals. In Boise, skilled contractors charge an average of $30.25/hr, and the specialized nature of this work means cutting corners on labor can lead to costly rework.

With a median household income of $80,749, many Boise residents can budget for this project through savings. The mid-range cost of $19,822 represents 25% of the typical household's annual income.

Deck Addition — National Guide

See the full national cost guide with DIY tips, cost factors, and ROI analysis.

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