New Hampshire cost guide
French Drain cost in New Hampshire
Quick answer
French Drain in New Hampshire costs an estimated $10 - $37 per linear ft. That is 4% above the national average, because landscaping workers in New Hampshire earn $21.98 an hour versus $20.33 nationally (BLS May 2025).
- Estimate (per linear ft)
- $10 - $37
- Typical
- -
- vs US average
- +4%
- Rank (1 = priciest)
- #11 of 51
Estimates compiled .
Cost calculator
Estimated cost in New Hampshire: $520 - $1,830 (50 linear feet at per linear ft)
Planning estimate only. Confirm with written quotes.
What affects french drain prices in New Hampshire
- Length of the drain run and trench depth.
- Where the water discharges and whether a dry well or pump is needed.
- Soil type, roots and obstacles along the route.
- Restoring lawn or hardscape after trenching.
- Local labor costs: New Hampshire landscaping wages are 4% above the national average, and labor is about 55% of this job's price.
How New Hampshire compares
| State | Estimate (per linear ft) |
|---|---|
| Minnesota | $11 - $37 |
| Connecticut | $10 - $37 |
| Oregon | $10 - $37 |
| New Hampshire | $10 - $37 |
| New York | $10 - $37 |
| Montana | $10 - $36 |
| Rhode Island | $10 - $36 |
| United States | $10 - $35 |
French Drain companies in New Hampshire
Other landscaping costs in New Hampshire
- Lawn Mowing$47 - $76
- Lawn Fertilization$68 - $105
- Yard Cleanup$135 - $430
- Shrub & Hedge Trimming$43 - $80
- Gardener$38 - $70
- Tree Removal$425 - $1,300
- Sod Installation$1.04 - $2.07
- Artificial Turf Installation$10 - $26
- Sprinkler System Installation$625 - $2,100
- Landscape Design$750 - $3,200
- Landscaping Installation$3,100 - $16,600
- Paver Patio$10 - $18
- Retaining Wall$36 - $67
- Landscape Lighting$83 - $310
- Xeriscaping$5.18 - $21
- Snow Removal$32 - $74
- Commercial Lawn Care$850 - $1,700
French Drain cost in New Hampshire: common questions
How much does french drain cost in New Hampshire?
About $10 - $37 per linear ft. The US range is $10 - $35 (HomeGuide).
Is french drain more expensive in New Hampshire than average?
New Hampshire ranks #11 of 51 for landscaping wages, so french drain runs 4% above the national average.
What affects french drain prices in New Hampshire?
Length of the drain run and trench depth. Where the water discharges and whether a dry well or pump is needed. Soil type, roots and obstacles along the route. Restoring lawn or hardscape after trenching.
How do I find french drain companies in New Hampshire?
Local Landscaping lists 2 businesses offering this service in New Hampshire, including in Portsmouth and Bedford. Ask each for the discharge point, pipe and fabric used and how the lawn is restored.
Planning estimate: US range from HomeGuide (2026) adjusted for New Hampshire by the U.S. Bureau of Labor Statistics OEWS May 2025 landscaping wage. Businesses listed here have not set or confirmed these prices.