A basement gutter system, usually an interior perimeter drain that collects seepage and directs it to a sump pump, typically costs $4,000-$12,000. The final price depends on basement perimeter, concrete cutting, water pressure, pump needs, and local labor rates.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Installed system | $2,500 | $7,500 | $20,000 | Small repair to extensive perimeter work |
| Installed drain | $30 per linear ft | $55 per linear ft | $100 per linear ft | Includes typical trench and channel work |
| Sump pump | $500 | $1,200 | $2,500 | Higher with battery backup or complex discharge |
What a 100-foot basement gutter system usually costs
For a 100-linear-foot basement with accessible concrete, a basic interior drainage channel and connection to an existing sump pit may total $4,000-$7,000. A complete 120-150-foot installation with a new sump pit, pump, and concrete restoration often lands around $7,500-$13,000. Severe water intrusion, difficult access, or multiple pump locations can push a project toward $20,000.
Quotes commonly include opening a narrow strip of slab, laying a perforated drain or drainage channel beside the footing, directing water to a sump, and patching the floor. A practical planning range is $40-$85 per linear foot for a standard installed interior system. Assumptions: U.S. mid-market labor rates, standard drainage materials, and normal basement access.
How trenching, pump work, and concrete repair shape the quote
Contractors may price the project by linear foot or combine the work into a fixed quote. The breakdown below gives typical ranges; amounts vary with access, plumbing layout, and whether a sump pit already exists.
| Work item | Typical price | Pricing basis | What changes it |
|---|---|---|---|
| Concrete cutting and trenching | $10-$25 | Per linear ft | Slab thickness and removal effort |
| Drain channel and stone | $15-$35 | Per linear ft | Channel type and gravel volume |
| Drain connection and piping | $5-$15 | Per linear ft | Run length and discharge route |
| Sump pit and pump | $800-$2,500 | Per installation | New pit, pump capacity, backup |
| Slab patching and cleanup | $5-$15 | Per linear ft | Concrete finish and disposal |
Labor and concrete work can make up a large share of the bill. Labor is often priced within the installed rate rather than listed separately; where itemized, crews may charge about $50-$100 per worker-hour.
How perimeter length and water volume change the price
A 60-foot partial run may cost $2,500-$5,500, while a 150-foot full-perimeter installation can reach $8,000-$15,000 before major structural repairs. At roughly $40-$85 per linear foot, adding 25 feet of drain can add about $1,000-$2,125. The price does not always rise evenly because a larger job may spread setup costs across more footage.
Slab thickness and water conditions matter, too. Cutting through a 4-inch slab is generally less demanding than a slab over 6 inches or reinforced concrete. Persistent groundwater may require a larger pump, a second pit, or a battery backup, potentially adding $500-$2,500 or more. If water enters through wall cracks, drainage alone may not address the source; separate crack injection or exterior work can add several hundred to several thousand dollars.
Confirm that the quote identifies the drainage footage, pump configuration, and discharge plan. A lower price may cover only one leaking wall rather than a complete perimeter system.
How many days does interior basement gutter installation take
A straightforward 80-120-foot installation often takes a three- or four-person crew about 2-4 days. Concrete cutting, debris removal, trench preparation, drain placement, sump work, and patching all contribute to the schedule. A small partial run may take 1-2 days; a large basement with restricted access can take a week or more.
Ask whether the estimate includes hauling away broken concrete and whether the basement must be cleared before work begins. Moving stored items, removing finished flooring, or taking down wall framing may be billed separately or left to the homeowner. Unpriced demolition and cleanup can make two otherwise similar quotes difficult to compare.
Which basement conditions add fees beyond the drain channel
A new sump pit commonly adds $500-$1,500 for excavation and installation, apart from the pump. A standard pump and setup may cost $500-$1,500; a battery backup can add roughly $300-$1,000. Long discharge piping, electrical work, or routing water away from the foundation can add $200-$1,500 depending on distance and site layout.
Some contractors charge $100-$300 for an inspection or moisture diagnosis, sometimes credited toward the job. Finished basements may need flooring removal or wall access, and disposal charges can add $200-$800. Get written confirmation on pumping, concrete patching, electrical work, disposal, and finish repairs before approving the total.
How local labor rates shift basement drainage prices
Costs in major coastal cities and high-cost metro areas can run 15%-35% above a national mid-market quote. Smaller Midwestern and Southern markets may come in 5%-20% below that reference, although wet soil, high groundwater, or limited contractor availability can narrow the gap. Regional differences apply to both labor and disposal, not just drain materials.
Request at least three written estimates from contractors who specify the same footage and scope. Compare the proposed system and exclusions, not just the bottom-line number. A quote that includes a pump backup, discharge piping, and slab restoration may reasonably exceed one that omits them.
Where homeowners can trim a basement gutter system quote
Keeping the drain run limited to documented seepage areas can cost less than automatically covering the full perimeter, but the contractor should explain the risk of leaving other walls unprotected. Clearing basement storage and removing easy-to-access finishes before installation may reduce crew time if the contractor allows owner preparation. Avoid paying for a premium channel or oversized pump without a clear reason tied to water volume or system design.
Ask whether a functioning sump pit can be reused and whether the quote includes a warranty on both materials and labor. Compare a partial drainage repair with full-perimeter work, especially when leakage is confined to one area. The most reliable savings usually come from controlling scope while keeping essential drainage and discharge work intact.