We size every sump pump to your basin, discharge distance, and Rockville, MD water table, not a generic off-the-shelf number.

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.
We carry common pump models on the truck so a failed unit can often be replaced the same day you call.
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.

Every Rockville, MD Sump Pump Installation job starts with an inspection, not a generic package — here's what that typically includes.
We install submersible pumps rated for continuous duty, not the lighter-duty units sold for occasional use.
A battery backup pump kicks in automatically if the power goes out during a storm — exactly when you need it most.
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.
A missing or failed check valve lets pumped water flow back into the basin, making your pump work twice as hard for the same result.
Basin lids are sealed to reduce basement humidity and keep debris out of the pump mechanism.

Tell us your pump's age, symptoms, and whether it failed or you're installing new — that shapes what we bring on the visit.
We also check the discharge line route and check valve condition as part of the same visit.
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."
— Rockville Customer
"Water-powered backup pump has been a good second layer since our power goes out more than we'd like during storms."
— Rockville Homeowner
"Check valve on our old system had failed and nobody had caught it. New pump plus a working check valve made a real difference."
— Rockville Customer
"Fast, professional install and they hauled away the old failed unit."
— Rockville Homeowner
We measure inflow during inspection and recommend a pump rated in gallons per hour to match it.
We can walk through battery versus water-powered backup options based on your home's setup.
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 Rockville, MD emergency calls.
A primary pump runs on household power and handles day-to-day drainage; a backup pump activates during a power outage or primary pump failure.
Yes, every installation comes with a written warranty on both the pump and the installation labor.
We install and replace sump pumps throughout Rockville and the surrounding Rockville, MD service area, including the zip codes listed below.



Zip codes we serve in Rockville, MD: 20851 20852 20850 20847 20848 20849 20857 20853
Call now for a free inspection and a flat-rate quote before anything gets worse.
Call +1-866-476-1348© SGP Waterproofing. All rights reserved.