Flooded basement cleanup
Cellars and basements with wet walls or standing water.
Read more »Careful drying for a county seat with old foundations
Water damage restoration in Leesburg is different from the work in a newer subdivision. Many downtown houses have stone or brick foundations laid long before anyone thought about a sump pit, and they let water in at joints where mortar has aged. Drying those basements takes patience.
Leesburg is about six miles northwest of Ashburn. We handle extraction, drying and mold cleanup here, and we try to dry old materials in place when we can instead of tearing them out.
A bit of local history
The Virginia Assembly chose the site for the Loudoun County courthouse in 1757 and established the town of Leesburg by an act of the Assembly in September 1758. Leesburg was named for the Lee family and has been the county seat since then. It was incorporated in 1813.
The oldest houses in town are older than modern plumbing codes, which is why water problems here often begin in the foundation or the oldest drain lines.
Leesburg local water damage profile
| Ground and soil | The Loudoun County seat, where soils vary by lot. The county publishes a soils map you can check for your address. |
|---|---|
| Water utility | Leesburg has its own town system. Check your bill to see if you are a town customer or a county customer. |
| Common home types | Historic downtown houses with stone or brick foundations, plus newer subdivisions with poured concrete basements. |
| Top water risk | Seepage through old foundations and creek-adjacent flooding after hard rain. |
| What we check first | Foundation walls and floor joints, the crawlspace or cellar, and old drain lines. |
Local risks in a historic town
Stone and brick foundations let water in slowly but steadily. Lime mortar softens over decades, and a joint that has been dry for years can open after one heavy storm. Because these walls were built to breathe, drying them out takes longer than drying poured concrete.
Cellar floors in older houses may be packed dirt or thin slab, and some have no floor drain at all. Water that enters there has nowhere to go but the lowest corner. We use dehumidification and gentle airflow so old plaster and timber are not stressed.
Cast iron and clay drain lines are common in the oldest blocks. They crack, shift and fill with roots, and a backup can arrive with no warning. See our sewage backup page if that is your situation.
Old house or new house basement
| Stone or brick foundation | Poured concrete foundation | |
|---|---|---|
| How water gets in | Through mortar joints, along the base of the wall and up through a dirt or thin slab floor | Through hairline cracks, the floor and wall joint and the window wells |
| How drying differs | Slower and gentler, with more focus on dehumidification and airflow | Faster, with air movers and dehumidifiers on a smooth, sealed surface |
| What we watch for | Salts, soft mortar and old timber near the floor | Hidden wicking behind finished walls and carpet over slab |
| Typical fix afterward | Repointing and exterior drainage | Crack injection, grading and sump service |
Geography and the water around town
Tuscarora Creek runs through Leesburg, and the Town has capital projects for stream restoration along it. Homes near the creek and its low floodplain are the ones most likely to see water after a heavy storm.
Ball's Bluff Battlefield Regional Park sits about two miles northeast of town on a bluff above the Potomac, a reminder of how much of this landscape slopes toward water. The battle there was fought on October 21, 1861.
What drying looks like in a historic house
Historic homes call for a lighter touch. Plaster walls can crack if they dry too fast, and old pine floors can split under heat. We set equipment lower and let it run longer, and we avoid cutting into plaster unless the meter says the cavity is wet.
We also look at what the previous owners did. Many old basements have been patched with sealer, new slab sections or French drains over the years, and the water may be moving along an older path. Knowing the history helps us dry the right spots.
If your house is in the historic district, ask the Town about exterior work rules before any foundation repair. For drying and cleanup, we work from the inside and leave the exterior to specialists.
Services most needed here
Storm and flash flood cleanup
Creek-adjacent water and window well leaks after heavy rain.
Read more »An example call from a historic Leesburg cellar
Consider a stone-foundation house with a cellar that has been damp for decades. After a week of rain, a puddle forms in the low corner and a smell rises through the floor above. The owner has patched the walls before, and the patching has held until now.
We pump out the standing water, then meter the walls, the sill plate and the floor joists above. Old timber near a damp stone wall often reads high even if it looks fine. We set dehumidifiers and gentle air movement so the timber dries without cracking, and we recommend a drainage review once the house is dry.
In a house like this, the goal is not to make the cellar perfectly dry. It is to keep the floor framing and the living space above dry, and to stop the wall from feeding moisture upward.
Prevention for older Leesburg homes
- Keep gutters clean and run downspouts well away from the foundation.
- Regrade soil so it slopes away from stone and brick walls.
- Run a dehumidifier in the cellar through summer and keep it drained.
- Do not seal the interior of a stone wall with paint, since trapped moisture pushes the mortar apart.
- Scope old drain lines for roots and cracks before they back up.
- Keep valuables and paper records off the cellar floor.
Mold in older houses
Old houses hold moisture in wood, plaster and masonry, and mold finds those materials just as quickly as it finds drywall. We start with the moisture source and the readings, then decide what can be cleaned and what has to go. See our mold removal page for how containment and air scrubbing work.
Questions to ask a foundation contractor
Once a historic cellar is dry, a foundation or masonry contractor may recommend repairs. Ask what the plan does about the source of the water and not only the symptom. Sealing the inside of a stone wall may hide moisture without stopping it, and trapped moisture can damage mortar.
Ask whether the work is reversible, whether it respects any historic district rules and what drainage changes are included. Exterior drains, regrading and downspout extensions often do more than interior coatings.
We can share our moisture readings and notes with the contractor. They show where the wall was wet and how it dried, which helps point the repair at the right place.
Cool masonry cellars feed the pattern in How Fast Mold Grows in a Wet Basement.
Request a call back in Leesburg
Tell us what happened in Leesburg and we will phone you during office hours.
Questions from Leesburg homeowners
BasementIs a stone foundation basement harder to dry?
Often, yes. Stone and old mortar hold moisture longer and cannot be sealed like poured concrete. Dehumidification and time do most of the work.
MoldWhy does my old basement smell musty all summer?
Cool masonry walls and warm humid air create condensation. A dehumidifier and good airflow help more than any surface treatment.
InsuranceIs creek flooding covered by my homeowners policy?
Usually not. Flood coverage usually comes as its own policy. General information only. Read your policy and speak with your agent.
Back to Ashburn Resto home. Neighboring areas we also serve include Broadlands and Sterling.
Water in an old Leesburg basement. Call and we will plan the drying.
Call (571) 760-4517