Diagnosis, written scope, and safety before price.Final scope depends on task, measurements, structure, permits, trades, access, materials, weather, restoration, and approved changes.
Water source, grading, outlets, utilities, and Northeast pricing
Yard Drainage Cost Guide
A drainage system should not be selected merely because water is visible. The source may be roof runoff, grading, compacted soil, groundwater, irrigation, a broken line, sump discharge, septic failure, neighboring runoff, or failed foundation drainage.
Price by scope
What different versions of the project may cost
Water source, elevations, soil, slope, drain type, length, depth, pipe, aggregate, inlets, outlet, excavation, spoil, utilities, septic, wells, easements, walls, foundations, permits, erosion control, and restoration affect price.
Document water source, grades, drainage paths, constraints, likely options, and required next steps.
A defined extension, outlet correction, or small surface adjustment with restoration.
A limited surface or infiltration system with stated excavation, materials, outlet, and restoration.
French drain, trench drain, multiple inlets, regrading, difficult access, or a broader Northeast residential system.
Major slope work, retaining structures, foundation excavation, municipal connection, or extensive restoration.
What changes the total
Task definition, measurements, access, hidden conditions, materials, safety controls, and restoration drive price.
Diagnosis and elevations
Roof runoff, surface water, groundwater, grading, soil, sump discharge, irrigation, broken lines, septic, neighboring runoff, survey data, and outlet elevations determine the correct system.
System and excavation
Swales, basins, surface drains, channels, French drains, dry wells, rain gardens, pipe, stone, depth, equipment, spoil, erosion control, and access affect cost.
Utilities, approvals, and restoration
811, private locating, septic, wells, irrigation, lighting, easements, neighboring property, foundations, walls, permits, municipal connections, lawn, planting, pavement, and hardscape restoration affect scope.
Northeast focus
Why Philadelphia through Maine can price differently
These are qualitative notes, not automatic multipliers.
| Area | Typical positioning | Why it may differ |
|---|---|---|
| Philadelphia and surrounding Pennsylvania | Often lower-to-middle Northeast band | Rowhouse stairs, narrow streets, parking, disposal rules, older properties, soil, drainage, and equipment access can expand labor. |
| New Jersey and New York City metro | Often middle-to-higher | Tolls, parking, walk-ups, elevator reservations, certificates of insurance, loading zones, disposal fees, and dense-site logistics may add time. |
| Connecticut and Rhode Island | Varies by coastal and suburban conditions | Coastal exposure, mature landscapes, travel, seasonal demand, disposal distance, and property access influence minimum charges. |
| Boston and eastern Massachusetts | Often higher | Labor, restricted access, older buildings, move rules, disposal costs, permits, mature plantings, and short exterior seasons may increase scope. |
| New Hampshire, Vermont, and Maine | Wide variation | Rural travel, limited crews, transfer-station distance, rocky soil, snow, short planting seasons, and material delivery can raise costs. |
Scope clarity
What is normally included—and what is not automatic
Normally included
- Defined drainage assessment, excavation, system materials, outlet, and restoration activities
- Specified utility notification, erosion control, spoil handling, and cleanup
- Testing, maintenance instructions, and warranty only when stated
Not automatically included
- Unconfirmed water-source correction, foundation waterproofing, sewer or septic repair, municipal connection, retaining walls, structural work, and engineered design unless listed
- Excavation before 811 responses and required private utility, septic, irrigation, lighting, drainage, pool, well, or propane locating
- Discharge onto neighboring property, unapproved storm or sewer connections, polluted-water disposal, or work beyond property rights and permits
Three safe preparation steps
Document conditions before work begins
1. Document water during rain
Photograph standing water, roof runoff, downspouts, slopes, low points, foundations, neighboring grades, and possible outlets during or immediately after rain.
2. Gather property records
Collect surveys, drainage plans, utilities, septic or well information, sump routing, permits, flooding history, and prior repair records.
3. Confirm the diagnosed solution
Define source, elevations, system, outlet, locating, excavation, permits, erosion controls, spoil, restoration, maintenance, and warranty.
Before approving the project
Diagnose the water source and define elevations, system, outlet, utilities, excavation, permits, erosion, spoil, restoration, maintenance, and warranty
Diagnose before selecting a drain
Separate roof runoff, grading, groundwater, irrigation, broken water lines, sump discharge, septic, neighboring runoff, and foundation drainage failure.
Prove the outlet and property rights
Identify elevations, lawful discharge, easements, neighboring impacts, municipal approvals, infiltration capacity, overflow, and erosion risk.
Plan locating and restoration
State 811, private locating, excavation limits, spoil, soil replacement, lawn, plants, irrigation, pavement, hardscape, settlement, maintenance, and warranty.
Common questions
Yard drainage FAQ
How much does yard drainage cost?
Many standard projects plan around $2,000–$8,000 nationally and $3,000–$12,000 in many Northeast conditions.
Is a French drain always the solution?
No. The source, grades, soil, outlet, utilities, foundation, neighboring runoff, and maintenance must be evaluated before selecting a system.
Does 811 mark every buried line?
No. Public notification may not identify private irrigation, lighting, electric, pool, septic, well, drainage, invisible-fence, or propane systems, so private locating may be necessary.
Research and methodology
Where the planning guidance comes from
CityTask uses broad planning bands instead of presenting one average as a guaranteed local quote. Last reviewed: July 16, 2026.
Angi — Landscape Drainage Cost ↗Drainage system, linear-foot, excavation, and project cost context.Angi — New York Drainage Cost ↗Qualitative New York and Northeast system cost context.811 — Before You Dig ↗Required utility-notification and response process before excavation.EPA — Stormwater Drainage Wells ↗Stormwater, pollutant, siting, design, and regulatory context.
Related topics
Continue researching the project
How CityTask can help
Send photos, scope, products or materials, access, exclusions, urgency, and timing.
CityTask can carry the defined topic into the normal intake flow. A provider, final price, permit, schedule, specialist result, or warranty is not confirmed until review and approval are complete.