The Short Answer
A full French drain and sump pump system for a Capital Region basement typically runs $2,800 to $6,500 when the two are installed together. A French drain alone runs $500 to $18,000 depending on whether it’s an interior or exterior run, and a standalone sump pump installation averages around $1,400 (range $500–$4,000). These are 2026 national benchmark ranges from Angi and This Old House — your actual number depends on an inspection, since foundation type, water table, and whether the job needs interior or exterior excavation all change the math. Here’s what actually drives the price.
French Drain Cost: Interior vs. Exterior
French drains price very differently depending on where the trench goes:
- Interior French drain — runs along the inside perimeter of the basement floor, just below the slab. Typically $40 to $100 per linear foot, or $5,000 to $18,000 for a full basement, since it doesn’t require excavating around the outside of the house.
- Exterior French drain — runs outside the foundation wall and stops water before it reaches the concrete, but requires excavation along the foundation. Typically $10 to $50 per linear foot, or $500 to $10,000 total.
- Basement-specific runs commonly land around $60 to $70 per linear foot once labor and basement-specific conditions are factored in.
- National average across all French drain jobs: $9,250, with a typical range of $500 to $18,000.
Which type your home actually needs comes down to foundation type and where the water is entering — we break down the local pattern (older fieldstone and block foundations vs. newer poured concrete) in our French drain vs. sump pump comparison.
Sump Pump Installation Cost
A sump pump is the mechanical piece that moves collected water out and away from the foundation once a French drain (or gravity) delivers it to the basin. Installation averages $1,400, with a typical range of $500 to $4,000:
- Pedestal pumps — $80 to $800, with a motor life up to 30 years. The motor sits above the basin, out of the water, which is why they tend to last longer.
- Submersible pumps — $90 to $1,000, with a typical lifespan of 5 to 15 years. Quieter and more powerful, but the motor runs submerged in the basin.
- Sump pump added to an existing drain system — $500 to $2,000, since the collection piece is already in place.
- Battery backup — adds roughly $150 to $250, and is worth budgeting for in our area, since the storms that flood basements are often the same storms that knock out power. See our battery backup vs. generator comparison to decide which backup option fits your home.
What a Combined French Drain + Sump Pump System Costs
Most real installations aren’t a choice between a French drain OR a sump pump — a properly built interior drainage system is a French drain that feeds a sump pump. Installed together as a single system, that typically runs $2,800 to $6,500, which is less than adding up the two line items separately because the excavation, basin, and labor overlap.
A few things that can change that number:
- Cutting through an existing concrete slab for an interior system — $2,500 to $5,000, on top of the drain and pump cost, if the basement floor isn’t already open.
- Permits — $50 to $200, depending on the municipality.
- Inspection — $100 to $300. This is the step that determines whether you actually need the full system, or something simpler like the surface sealing covered in our basement waterproofing cost guide.
Why Timing Matters in the Capital Region
Exterior excavation work — whether it’s an exterior French drain or foundation-adjacent drainage — needs to happen before the ground freezes. In Schenectady and the surrounding towns, that typically means a window of roughly six to eight weeks from mid-September before frozen ground makes excavation impractical for the season. Interior systems aren’t weather-dependent the same way, but if an inspection turns up a need for exterior work, this is the time to schedule it, not January. Need excavation for an exterior drain? VividPro’s own excavator and operator rental handles that side of the job locally.
French Drain & Sump Pump Cost FAQs
How much does a French drain cost in Schenectady, NY?
A French drain typically costs $10 to $100 per linear foot depending on whether it’s an interior or exterior run, or $500 to $18,000 for a full system (national average $9,250). An inspection will narrow that down based on your foundation and how much drain length your home actually needs.
How much does sump pump installation cost?
Sump pump installation averages around $1,400, with a typical range of $500 to $4,000. Pedestal pumps run $80 to $800 with a motor life up to 30 years; submersible pumps run $90 to $1,000 with a typical 5-to-15-year lifespan.
What does a combined French drain and sump pump system cost?
Installed together as one system, a French drain and sump pump typically costs $2,800 to $6,500 — less than pricing the two separately, since the excavation, basin, and labor overlap.
Is an interior or exterior French drain cheaper?
Exterior French drains often have a lower per-foot range ($10–$50/ft) than interior drains ($40–$100/ft), but exterior work requires excavating around the outside of the foundation, which can add cost and is weather-dependent. Interior drains avoid exterior excavation but may require cutting through an existing basement slab.
Does homeowners insurance cover a French drain or sump pump?
Usually not as a standalone upgrade. Most homeowners policies exclude the gradual seepage and groundwater intrusion these systems are designed to prevent in the first place. See our homeowners insurance and basement water damage guide for what’s actually covered.
Why does this need to be scheduled before the ground freezes?
Any exterior excavation — an exterior French drain, foundation-adjacent drainage — has to happen before frozen ground makes digging impractical. In the Capital Region that’s typically a six-to-eight-week window starting in mid-September.
Get a Real Number for Your Basement
Every basement is different, and the only way to get an accurate number is a real inspection — not a guess based on square footage or linear feet alone. VividPro Painters & Remodeling handles basement waterproofing across Schenectady, Albany, Troy, and the Capital Region, and we’ll tell you honestly whether your basement needs a French drain, a sump pump, both, or just surface sealing before recommending anything. In Troy specifically, rowhouse construction changes the math — see our Troy cost guide.