Battery backup and water-powered backup options are available so a power outage doesn't undo your protection.

An oversized or undersized sump pump both cause problems down the line — short-cycling, premature motor failure, or simply not keeping up during a real storm. We calculate GPH capacity against your basin's actual inflow rather than reaching for a default size.
Every sump pump installation is completed by a licensed, insured technician, with electrical work handled to code.
A failed sump pump during active weather gets priority dispatch across our Lanham, MD coverage area.
Pricing covers the pump, basin, check valve, and discharge line as one quoted number, not itemized surprises after the fact.
We calculate gallons-per-hour pump capacity based on your basin size and typical inflow rate, not a one-size-fits-all recommendation.

We scope every Sump Pump Installation job in person before quoting it, since two properties with the same symptom rarely need the same fix.
We install submersible pumps rated for continuous duty, not the lighter-duty units sold for occasional use.
We size backup battery capacity to your typical outage duration, not just a default runtime estimate.
For homes with municipal water pressure, a water-powered backup pump runs without any battery at all, using house water pressure to move basement water out.
We also inspect discharge line routing to make sure water is actually getting away from the foundation, not just to the yard next to it.
An undersized basin cycles the pump too frequently, shortening its lifespan — we resize basins when the existing one isn't keeping up.

If it's an active failure with water rising, we prioritize same-day dispatch.
A technician checks basin size, current pump condition, and how fast water is actually entering the basin during testing.
We explain why a given pump size fits your situation instead of just quoting the most expensive option.
You'll get a quick walkthrough of the alarm and backup system operation so you know what to expect.

"Our old sump pump died during the biggest storm of the year and we got water in the finished basement. They replaced it with a battery backup system the same afternoon."
— Lanham Customer
"Basin was way too small for how much water we get — they resized it and the pump finally keeps up."
— Lanham Homeowner
"Appreciated that they actually tested the backup battery under a simulated outage before leaving."
— Lanham Customer
"Fast, professional install and they hauled away the old failed unit."
— Lanham Homeowner
If the pump runs constantly or your basin overflows during heavy rain, it's likely undersized for your actual inflow rate.
If you've had a power outage during a storm before, or your basement has flooded from pump failure, a backup system is worth the investment.
We can test an existing pump's condition during an inspection rather than assuming it needs replacement.
In many cases yes, especially during active weather — we carry common pump sizes on our trucks for Lanham, MD emergency calls.
Most systems benefit from having both, especially in areas prone to storm-related outages.
Terms vary by pump model, and we'll explain exactly what's covered before you approve the quote.
We install and replace sump pumps throughout Lanham and the surrounding Lanham, MD service area, including the zip codes listed below.



Zip codes we serve in Lanham, MD: 20706
One call gets you a licensed specialist, a written quote, and a same-day time window.
Call +1-866-476-1348© SGP Waterproofing. All rights reserved.