Washington Navy Yard, DC Basement Waterproofing Services
Most homes here are rowhouses, and most rowhouses have a basement that is half below the sidewalk. The walls are brick or stone, they were built between 1900 and 1930, and they were never waterproofed the way we do it now.
DC Basement Waterproofing Pros has worked on these houses since 2013. We install interior drain systems, sump pumps with battery backup, backwater valves, areaway and stairwell drains, crack repair, and moisture control for English basements.
Water gets in two ways here.
The first is groundwater pushing through old mortar and up through the cove joint. The second is the sewer. Much of the District still runs on a combined sewer, which means storm water and waste share one pipe, and in a heavy summer storm that pipe can back up into the lowest drain in your house. Bloomingdale and LeDroit Park learned this the hard way in 2012.
People type basement waterproofing near me into a phone in July, after a thunderstorm sits over the city and drops two inches in an hour.
The fix depends on which problem you have. For groundwater we cut the slab, lay drain pipe in stone, and pipe it to a sealed basin with a pump. For sewer backup we install a backwater valve on the line, which is a different job entirely and usually cheaper. For an areaway, the stairwell drain in front of your door, we clean it out and repipe it, because a blocked one turns your entrance into a bathtub.
Old mortar joints get repointed before anything else. Sealing a stone wall that is falling apart does nothing.
Search basement waterproofing near me across Washington Navy Yard, DC and you get national brands and lead sellers. They quote systems for suburban poured walls. Your house is not a suburban poured wall.
Here is what we tell people not to do. Do not finish an English basement before the water is handled. We have torn out newer drywall in Washington Navy Yard, DC more times than we can count because someone framed over a wall that leaks every August. Fix the water first, then finish.
Home improvement contractors in the District are licensed and bonded through the Department of Licensing and Consumer Protection. Ours is 420218000047. Permits come from DOB, and yes, work like this usually needs one.
Near me matters in a city this small. When somebody in Washington Navy Yard, DC searches basement waterproofing near me, the crew should know the block, the alley access, and whether they can even get equipment behind the house. We work throughout the District and the close-in suburbs.
We do not do sewer line replacement or historic masonry restoration on the front of the house. Both are specialist work and we will refer you.
Inspections are free, take about an hour, and include a look at your areaway, your grade, and your floor drain. Written price before we leave. Eleven people, no subcontractors.
If you searched basement waterproofing near me after the last storm, call (833) 769-2615. We will tell you whether this is groundwater, the sewer, or your gutters.
Residential Basement Waterproofing Services
Professional Residential Basement Waterproofing Services in Washington Navy Yard, DC.
Commercial Basement Waterproofing Services
Commercial Basement Waterproofing Services in Washington Navy Yard, DC.
Professional Basement Waterproofing services in Washington Navy Yard, DC
Services Provider
Order Served
5 Star Received
Best Basement Waterproofing Services in Washington Navy Yard, DC
There may be up to $6,000 on the table that you have not claimed. DC Water runs a rebate that reimburses eligible residents for a backwater valve if they had documented sewer backup in the July 2012 or September 2020 storms. Nobody answering a search for basement waterproofing near me leads with that. DC Basement Waterproofing Pros does, because in a District rowhouse the money question comes before the product question.
There are three separate problems down there and only two of them are ours. Groundwater pushes through old brick and stone. Sewer water rises out of the floor drain when the combined sewer surcharges in a storm. Surface water pours down the areaway steps or a sloped driveway and straight under the door.
Sell a drainage system to somebody with a sewer problem and the basement floods again next August. That happens here all the time.
Search basement waterproofing near me and you get product pages. Here is how we sort it out instead.
A camera goes down your lateral before anything gets quoted, if the water is coming up rather than in. A few hundred dollars answers the question in ten minutes. Backwater valves are plumbing work. DC code requires a permit pulled by a licensed Master Plumber, so a waterproofing company cannot file that job in its own name. We coordinate it and say so out loud, which is worth knowing when somebody offers to just drop one in for you. Old mortar gets repointed before any sealing happens. Coating a wall that is losing its mortar does nothing. The areaway drain in front of your door gets cleaned and repiped. Blocked, it turns your entrance into a bathtub. Own crews, and we know which blocks have alley access for equipment. Converting a basement to an apartment or bedroom triggers current code, permits and inspections before anything is covered by drywall. We plan for that rather than discover it later. 26-year warranty that transfers.
When someone in Washington Navy Yard, DC searches basement waterproofing near me during a July downpour, near me means a crew that can park and work on a rowhouse street. We cover the District and the close-in suburbs, and inspections happen inside two business days.
Our license is a Basic Business License with the Home Improvement Contractor endorsement through the Department of Licensing and Consumer Protection, which carries a $25,000 bond and an insurance requirement. That bond is your protection, and you can verify the license yourself on the District's public lookup. The work is interior drain tile, sump pump installation with battery backup, exterior areaway and stairwell drainage, crack injection, repointing and grading correction. Call (833) 769-2615 with the address and we will tell you whether your block is in a rebate area.
But we do not replace sewer laterals and we do not do historic masonry restoration on the front of the house. Both are separate trades and we refer them out rather than dabble.
So if you searched basement waterproofing near me after the last storm, call (833) 769-2615. We will tell you whether this is groundwater, the sewer, or your gutters, before anyone quotes you a system.