Install French Drain Cost in Idaho (2026)
Average cost in Idaho: $25 - $98 per linear foot
A typical foundation perimeter (75 lf) costs $1,838 - $7,350 in Idaho
How Idaho Compares
Idaho is -2% below the national average for install french drain.
Idaho Typical Cost
$1,838 - $7,350
National Average
$1,875 - $7,500
Average labor rate in Idaho: $42/hour
Idaho Notes
Boise metro growing; rural areas more affordable
State sales tax on materials: 6.00%
Calculate Your Idaho Cost
Your Estimated Cost
$1,838 - $7,350
Based on 75 linear foots in Idaho
Prices updated March 2026
Cost Breakdown
What This Means
For 75 linear foots in Idaho, expect to pay $1,838-$7,350 with mid-range materials that balance quality and cost.
About $1,608 goes to materials and $2,527 covers labor. At $61 per linear foot, your project is right at the national average.
This is a smaller project that most contractors will complete in a day or two. Many handle this with cash savings or a small personal loan.
Tips for your project:
- •DIY could save you $2,297, but budget extra time and factor in your skill level.
- •A smaller 53 linear foot project would run about $3,216.
- •Always get 3 quotes—prices can vary 20-30% between contractors.
What If...
Budget materials
Use builder-grade or economy materials
$1,378 - $5,513
-$1,838 (-40%)
Premium materials
Upgrade to high-end finishes
$2,481 - $9,923
+$367 (8%)
Smaller (56 linear foots)
Reduce project scope by 25%
$1,372 - $5,488
-$1,850 (-40%)
Larger (94 linear foots)
Expand project scope by 25%
$2,303 - $9,212
+$12 (0%)
DIY installation
Do the work yourself (materials only)
$1,952 - $2,642
-$2,297 (-50%)
What to Ask Your Contractor
1Are you licensed and insured for this type of work?
Are you licensed and insured for this type of work?
Why ask: Protects you from liability if someone gets hurt on your property.
Red flag: Hesitation or claims that insurance "isn't necessary" for this job.
2Can I see references from similar projects?
Can I see references from similar projects?
Why ask: Install French Drain requires specific experience. Past work shows capability.
Red flag: Unable to provide any references or only has very old ones.
3What's included in your $4,594 quote—and what's not?
What's included in your $4,594 quote—and what's not?
Why ask: Prevents surprise charges for permits, disposal, or finishing work.
Red flag: Vague answers or unwillingness to put details in writing.
4What's the realistic timeline, and what could cause delays?
What's the realistic timeline, and what could cause delays?
Why ask: Honest contractors set expectations. Weather, material backorders, and inspections cause delays.
Red flag: Unrealistically short timelines or guarantees of "no delays."
French Drain Cost by City in Idaho
| City | Cost Range (per linear foot) | vs. National |
|---|---|---|
| Boise | $26 - $105 | +5% |
French Drain in Idaho FAQs
How much does install french drain cost in Idaho?
Install French Drain in Idaho costs $25 - $98 per linear foot in 2026. For a typical foundation perimeter (75 lf), expect to pay $1,838 - $7,350. Idaho is -2% below the national average.
Do I need a permit for install french drain in Idaho?
Permits are rarely needed for install french drain in Idaho. Boise metro growing; rural areas more affordable. Always check with your local building department before starting work.
What is the average labor rate in Idaho?
The average skilled trade labor rate in Idaho is $42/hour in 2026. This is near the national average. Labor typically accounts for 55% of total install french drain costs.
Is Idaho expensive for home improvements?
Idaho is 2% less expensive than the national average for home improvement projects. Costs are moderate compared to other states.
How do I find a contractor for install french drain in Idaho?
To find a reputable contractor in Idaho: 1) Get 3+ quotes from licensed contractors, 2) Verify their Idaho contractor license, 3) Check reviews and references, 4) Confirm insurance coverage, 5) Get a detailed written contract.