Free visual inspection and a written scope of work before any mitigation begins - photos, moisture readings, and drying logs go in your claim file
The scope we write is the scope we bill. Anything new gets shown to you, in writing, before we touch it.
Fast, Reliable Mold Remediation Across Somerville
Mold remediation in Somerville typically costs between $1,800 and $6,500 for a contained basement job, and most Somerville Water Damage Restoration work can be scheduled within 48 to 72 hours of your call. If you’re dealing with visible mold after a Raritan River flood or a slow leak you just found behind a bathroom wall, the sooner we inspect, the less demolition you’ll need. Our crews know Somerville’s older housing stock intimately, from the late-Victorian frames near Main Street to the post-WWII Capes along the eastern blocks. Call (910) 613-6568 and a live person answers, day or night.
Why Marsh Water Damage Restoration Is Somerville’s Preferred Mold Remediation Company
Somerville homeowners call us because we don’t treat mold as a surface problem. In this borough, mold is almost never a surface problem. The Raritan River flood corridor means water moves through stone foundations, plaster walls, and finished basement slabs in ways a standard cleaning crew won’t catch. Our Mold Remediation team uses moisture mapping and thermal imaging to find what’s behind the drywall before we quote a dollar figure.
Every technician who arrives in Somerville is background-checked, identity-verified, and sent to you by name and photo before the visit. That’s the Threshold Standard, and it’s applied on every single job. Tobias Reyner leads the team, and the work is backed by our 365-Day Done Right Promise: if the remediation isn’t right within a year, we come back and make it right. Free.
We’ve worked in Somerville long enough to know that a mold job here often runs deeper than the estimate. That’s also why we write the price before any work starts, and we keep it in writing. No surprises after demo begins.
Bathroom Mold Removal in Somerville
Bathroom mold removal in Somerville’s older homes is rarely just a bleach-and-paint situation. In the borough’s pre-war houses, bathroom exhaust fans were often vented into the attic or not installed at all, so humidity from every shower has been soaking into plaster and lathe for decades. We remove affected drywall or plaster, treat the framing behind it, and correct the ventilation so the mold doesn’t return next winter.
Plaster Wall Bathrooms in the Historic Core
When mold shows up in a 1910s or 1920s Somerville bathroom, the first question is whether the plaster contains asbestos or the paint contains lead. We coordinate that testing and abatement before we open the wall. Then we dry the cavity to an actual moisture standard, not a guess.
Post-War Bathroom Remodels Gone Wrong
In the 1950s and 60s Capes and ranches ringing Somerville’s historic district, we see a lot of botched remodels where a contractor tiled over damp greenboard. The mold grows between the tile and the drywall for years before anyone sees it. That usually runs $1,200 to $2,800 for a contained bathroom remediation.
Mold Removal Service in Somerville
Mold removal service in Somerville means something different than it does in Bridgewater or Bedminster. Here, the removal almost always starts with finding the water source that’s still active. In a borough that’s been through Floyd, Irene, and Ida, that source is frequently a foundation crack or a failed sump pump that was never actually fixed after the last flood.
Foundation-Connected Mold Colonies
When mold climbs a basement wall in Somerville, the colony is often fed by water wicking through a stone or brick foundation. We don’t just kill the visible mold. We trace the moisture to the crack or mortar joint, seal it, and dry the wall from the inside out. A typical basement wall removal and treatment runs $2,200 to $4,800 here.
Behind-the-Drywall Discovery Work
This is the Somerville classic. We open a wall for what looks like a three-foot patch of mold and find a ten-foot colony behind drywall installed after a 2011 flood claim. That changes the scope, and the price changes with it. We document everything with photos, give you a written change order before we proceed, and never let a surprise balloon into a blank check.
Trusted Brands We Service in Somerville
Our Somerville crews run Dri-Eaz dehumidifiers and Injectidry drying mats on basement slabs that won’t release moisture. We also use Phoenix air movers and XPOWER equipment for contained drying jobs in tight crawl spaces and finished basements. Because we stock parts for these units locally, we don’t lose a day waiting on a replacement sensor or hose when a job in Somerville needs it. The equipment matters, and so does knowing how to run it in a stone-foundation house built in 1922.
Common Mold Remediation Problems We See in Somerville Homes
- Mold behind drywall from a previous flood claim. Homeowners near the Raritan often had a remediation done after Irene or Ida, but the drying wasn’t complete before the drywall went back up. We routinely find colonies behind walls that were “fixed” five or ten years ago.
- Category 3 water that sat far too long. Somerville’s floodwaters recede slowly. When sewage-tainted river water stands in a basement for three or four days, the contamination is deep in the slab and the sill plates, not just on the surface.
- Freeze-thaw cracking in stone foundations. Each Somerville winter opens new paths for water. A foundation that was dry in September can be weeping by March, and the mold follows in April.
- Plaster walls with asbestos and lead under the mold. In Somerville’s historic core, almost every mold job on an exterior wall requires abatement coordination before remediation can proceed. That’s not true in the newer subdivisions outside town, and it’s a real cost line item.
Pricing for Mold Remediation in Somerville, NJ
A contained bathroom mold removal in Somerville runs $1,200 to $2,800. A basement wall remediation with foundation sealing runs $2,200 to $4,800. A full finished-basement job with asbestos or lead abatement coordination, Category 3 drying, and rebuild work can run $5,500 to $9,000 or more depending on square footage. What moves the price: whether abatement is required, how much drywall has to come out, and how long the slab takes to dry. We give every Somerville customer a written price before any work begins, and we include the drying log in the final report. Call (910) 613-6568 for a free estimate. Tobias Reyner will make sure the number on the quote is the number on the invoice.
We Also Serve Cities Near Somerville
In addition to Somerville, our crews handle mold remediation in Raritan, Bridgewater, Bedminster, and Manville. If you’re in one of those towns and looking for Mold Remediation, the call works the same way: a live person answers, and a written quote arrives before any work starts.
Serving Somerville, NJ - Our Local Coverage Area
We’re based in the Somerville area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Mold Remediation in Somerville
Because the previous remediation missed the moisture behind the walls. In Somerville, most recurring basement mold is fed by water wicking through a stone or brick foundation that was never sealed, or by drywall that was reinstalled over a slab that hadn’t actually dried. Call (910) 613-6568 and we’ll find the source, not just the symptom.
Visible mold can appear within 48 to 72 hours of floodwater receding, especially in Somerville’s finished basements where drywall and insulation trap moisture. The window to prevent a full colonization is short, which is why our dispatch to Somerville is same-day or next-morning.
Most homes in Somerville’s historic core, roughly those built before 1950, contain plaster, paint, or flooring materials that require asbestos or lead testing before demolition. We coordinate that testing and abatement as part of the remediation scope. In newer homes outside the historic district, this is rarely an issue.
Category 1 is clean water, like a supply line leak. Category 2 has contaminants, like a washing machine overflow. Category 3 is black water: sewage, river water, or anything that carries biological hazards. After a Somerville flood, you’re dealing with Category 3 every time, and that changes the containment, the PPE, and the disposal protocols we use.
Sometimes. If the slab moisture is in specific zones, we can use Injectidry mats and Dri-Eaz dehumidifiers to pull moisture through the concrete without tearing out the entire floor. But if the slab was saturated for days in Category 3 water, full demolition is usually the only safe route. We’ll show you the moisture readings before we make that call.
If you’ve got mold in Somerville and you’re not sure where it starts or stops, call (910) 613-6568. We’ll send a named, background-checked technician to your door, give you a written price, and if the job isn’t right within 365 days, we make it right.
Written by Tobias Reyner, Owner at Marsh Water Damage Restoration, serving Somerville since 2005.






Before
After
Before
After
Before
After