Mold Remediation in Biglerville, PA
Biglerville is the heart of the county's apple growing, the borough of the National Apple Museum and the fall harvest festival. It is also a place of old farmhouses, converted outbuildings, and cellars dug into orchard-country hillsides, which is where we come in.
The population was 1,225 at the 2020 census. It is in the Upper Adams School District. The borough's identity is tied to apples: The National Apple Museum is located on West Hanover St. in Biglerville. The National Apple Harvest Festival takes place in Biglerville on an annual basis. The town's Wikipedia article records that Originally named Middletown, it was renamed Biglerville in 1903 after William Bigler, the 12th Governor of Pennsylvania. A settled history stretching back well before that renaming means housing that spans two centuries, and The Thomas Brothers Store was added to the National Register of Historic Places in 2008. The store is one visible reminder of how much of the old town still stands. The borough is a short drive north of Gettysburg, so we are close by.
Why Biglerville homes grow mold
Two things make Biglerville different from the rest of the county. The first is terrain. The borough sits among the rolling orchard hills of northern Adams County, and water moving downhill through the orchards and fields does not stop at a property line. Homes on the lower side of a slope, or where a driveway or field drains toward the foundation, take on water at the footing every spring. The EPA names this directly when it lists the causes of a wet basement: the lack of gutters or a water flow toward the house.
The second is the buildings themselves. Biglerville and the countryside around it are full of nineteenth-century farmhouses, tenant houses, and former packing sheds and summer kitchens that have been converted into living space. These have stone foundations, dirt or brick cellar floors, and framing that has been damp for a hundred years without anyone worrying about it until someone finishes the basement or puts a bedroom over a crawl space. Once carpet, drywall, and insulation go in, the same moisture that used to evaporate harmlessly gets trapped in materials that mold loves. The EPA warns that absorbent or porous materials, such as ceiling tiles and carpet, may have to be thrown away if they become moldy, which is why we push so hard to get the moisture right before anyone builds down there.
Apple country is crawl space country. Orchard properties mean farmhouses, additions and outbuildings rather than the tight borough rows found elsewhere in the county. That shifts the mold problem out of finished basements and into crawl spaces, attics and unheated wings.
Signs to watch for in a Biglerville home
In a farmhouse, walk the outside first after a hard rain and see where the water goes; a downspout emptying at the foundation or a driveway sloping toward the house explains most wet cellars in the orchard country. Inside, look for a white mineral crust and dark staining on the stone, for soft or spotted cardboard on the cellar floor, and for a musty smell that is strongest in a converted wing or an addition built over a crawl space. In the attic, dark sheathing around a bathroom fan outlet or a chimney is the common finding in older houses. A house that smells like a root cellar in July has a humidity problem whether or not you can see growth yet, and humidity is the thing to fix first.
Where mold turns up in Biglerville and the orchard properties around it
Biglerville is the smallest of the four boroughs by population — a little over twelve hundred people at the 2020 census — and much of the housing we are asked about is not in the borough grid at all but on the farms and lanes around it.
| Where | Why it happens here | What actually fixes it |
|---|---|---|
| Crawl spaces under farmhouse wings and additions | Dirt floors with no ground cover, often with insulation between the joists holding moisture | A sealed vapour barrier over the dirt and working ventilation, which is the EPA's own prescription for a crawl space |
| Attics over older farmhouses | Bathroom or dryer vents terminating in the attic instead of outside, condensing on cold sheathing | Venting to the outside, then cleaning the sheathing; growth here is nearly always a venting fault |
| Unheated or intermittently heated rooms | Summer kitchens, back wings and porches enclosed later, with no conditioning through humid months | Conditioning the space or accepting it as unfinished storage, not both |
| Outbuildings used for storage | Uninsulated structures with organic contents and ground moisture underneath | Ground cover, ventilation and keeping contents off the floor |
What remediation costs in Biglerville
Biglerville quotes fall inside the same national ranges as the rest of the county. What moves them here is access, because a farmhouse crawl space or a converted wing costs more to contain and clear than an open cellar.
| Where the mold is | National range reported by Angi and HomeAdvisor |
|---|---|
| Basement | $500 to $3,000 |
| Crawl space | $500 to $2,000 |
| Attic | $1,000 to $4,000 |
| Inside walls | $1,000 to $20,000 |
| Whole house | $10,000 to $30,000 |
No survey publishes Pennsylvania or Adams County figures, so these are the national ranges from Angi's July 2026 and HomeAdvisor's June 2026 mold remediation cost guides. Our cost page sets out the full tables, what a quote leaves out, and what moves an Adams County job up or down.
What we help Biglerville homeowners with
The typical Biglerville job is a rural or semi-rural home on a stone foundation with a damp cellar or a crawl space, and our crawl space mold remediation and basement mold remediation pages walk through what those jobs involve, including vapor barriers, drainage, and what has to come out. Older farmhouses also produce a lot of attic mold from roof leaks and bathroom fans that were vented into the eaves decades ago; that is inspected and handled the same way, and our mold inspection and testing page explains how an inspector traces a moisture path through an old house.
If the property is changing hands, which happens often as orchard families sell off houses, our real estate mold inspection page covers Pennsylvania's disclosure rules. For budget planning, the cost guide explains what drives price and why a stone-foundation farmhouse tends to land differently from a subdivision home.
Three things to ask before anyone starts work
Pennsylvania licenses nobody to remediate mold, so these are the checks that stand in for a licence:
- Which IICRC certification do you hold? Ask for the Applied Microbial Remediation Technician credential by name, and whether the job follows the ANSI/IICRC S520 standard.
- What is your Pennsylvania home improvement registration number? It belongs on the estimate and the contract, and you can check it with the Attorney General before you sign.
- Where is the water coming from, and how is that fixed? Get it in an itemised quote. A remediation that skips the moisture source is one you pay for twice.
Our home page sets out the rest of what Pennsylvania law entitles you to, including the rule that no payment may be demanded before a contract is signed and the three business days you have to cancel. The cost page covers what the work runs and what a quote leaves out.
What to look for
Get a written, itemized quote before work starts. Ask to see the technician's IICRC Applied Microbial Remediation Technician certification and ask whether the job follows the IICRC S520 standard. In a Biglerville farmhouse, ask specifically about the plan for grading, gutters, and downspout extensions, because a remediation that ignores surface water running toward the house is temporary by design. Ask how the crew will contain dust from a dirt-floor cellar so it does not end up in the living space. And ask what will be done with the wood: old framing can usually be cleaned and kept, but anyone promising to save soaked fiberboard or insulation is not following the guidance.
Frequently asked questions
Do orchards or farm fields around Biglerville affect mold in houses?
Not the trees themselves, but the land does. Homes on the low side of a hill or below a field or orchard often have water draining toward the foundation every spring, and that surface water is one of the main causes of a wet basement in the EPA's own list. Grading, gutters, and downspout extensions that carry water away from the house are often as important as anything done inside.
My Biglerville farmhouse has a dirt cellar floor. Is that a mold problem?
A dirt floor is a continuous source of ground moisture into the house, and it keeps the cellar air humid year-round. That alone does not mean active mold, but it means the conditions are always present. The EPA's guidance for crawl spaces, putting a plastic cover over dirt to keep ground moisture out and ensuring the space is ventilated, applies to a dirt-floor cellar too. If the framing above is stained or the space smells musty, have it inspected.
Can attic mold in an old Biglerville house be fixed without replacing the roof?
Often, yes. Attic mold usually comes from a roof leak, a bathroom or kitchen fan venting into the attic instead of outdoors, or poor ventilation that lets warm moist air condense on cold sheathing in winter. The remediation cleans the sheathing and framing, but it only holds if the moisture source is corrected, which may be a flashing repair or a fan re-route rather than a new roof.
How do I get a quote for a Biglerville home?
Use the form on this page with Biglerville already filled in, or use the contact page. Tell us where the growth is, whether the house is on a basement or crawl space, and whether it is being sold. You can also call us at (717) 670-3330.
Do you work on farm properties around Biglerville, not just in the borough?
Yes, on the residential buildings. The farmhouse, a tenant house or a small rental on the property is within scope; a packing house, a cold store or a commercial barn is not, because those are commercial buildings with different containment requirements. In practice most of what we are asked about around Biglerville is a crawl space under a farmhouse wing or an attic over one, rather than the finished basements that dominate in the boroughs.
There is mold on my attic sheathing. Is that the roof leaking?
Often it is not, so it is worth checking before you assume the roof. Ask where the bathroom fans and the dryer actually terminate: a vent that discharges into the attic instead of outside puts warm wet air against cold sheathing every time it runs, and that condenses. A roof leak tends to show as a defined stain running down from one point, while condensation tends to show as a broader pattern across the sheathing, heaviest above whichever room is venting into it. If a vent turns out to be the source, redirect it to the outside before anything is cleaned; cleaning without fixing the vent means doing it again next winter.
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