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 Rochester
Mold remediation in Rochester typically costs $1,800 to $6,500 for a contained removal with structural drying, and most jobs take two to five days depending on how far moisture has traveled behind plaster walls. The Rochester homes we work in are overwhelmingly pre-1960 wood-frame construction, which means mold rarely stays on the surface. It follows the moisture deep into lath and balloon-frame cavities. That’s where you have to go to actually solve it. If you’re seeing staining, smelling something musty, or dealing with the aftermath of an ice dam leak, call (910) 613-6568 and a live person answers, 24 hours a day.
We’re Mold Remediation specialists who know Rochester’s housing stock, not a national chain reading from a warm-climate playbook. More on that below.
Why Marsh Water Damage Restoration Is Rochester’s Preferred Mold Remediation Company
Rochester homeowners call us because we understand what this city’s houses actually do when water gets into them. A plaster-and-lath wall in the 19th Ward behaves nothing like drywall in a 2005 subdivision. Neither does a rubble-stone foundation in Swillburg. Our technicians are IICRC, RIA, and IFA credentialed, and every one of them arrives background-checked, identity-verified, uniformed, and photo-badged under the Threshold Verified standard. You know the tech’s name and face before the knock. That matters when you’re letting someone into your home to cut out mold behind your bedroom wall.
Rochester customers tell us the same thing after the job: the crew showed up when they said, the price didn’t move after demo started, and the mold didn’t come back. We’ve built our local reputation on that. Every job gets a written price before any work begins and a written 365-Day Done Right Promise. If the mold returns or the drying wasn’t complete within a full year, we come back and make it right. Free second visit, no argument. That’s printed on the work order, not spoken as a sales line.
Marsh Water Damage Restoration has been in business since 2005 as part of the Threshold Group family. Dispatch for Rochester jobs is coordinated from the brand’s New York City office, while crews work locally across the metro.
Mold Inspection in Rochester
Mold Inspection in Rochester means finding not just where mold is growing, but where the moisture feeding it is coming from and how far it’s traveled. In most Rochester homes we inspect, the visible mold is the smallest part of the problem. The moisture that feeds it is behind the plaster, inside the wall chase, under the sill plate. A proper inspection uses moisture meters, thermal imaging, and sometimes air sampling to map the full extent before anyone cuts anything. In Rochester, a residential mold inspection with moisture mapping and a written scope-of-work typically runs $350 to $700 depending on the size of the home and whether air quality sampling is included.
When do you need one? After any ice dam leak, basement backup, or chronic humidity problem in a Rochester home. If you smell something musty but can’t see mold, that’s an inspection call. If you’re buying or selling a pre-1978 Rochester house, a mold inspection is standard due diligence here, not an optional extra.
Moisture Mapping and Thermal Imaging
We don’t do visual-only inspections in Rochester. The construction here demands better. We run moisture meters across surfaces and thermal imaging to find cold, wet zones inside walls. On balloon-frame houses, we check top plates and open chases because water travels vertically through those old cavities in ways a surface reading misses entirely.
Air Quality Testing
When a Rochester homeowner wants to know if mold spores are circulating through the living space, we run air sampling before and after remediation. It’s particularly useful in older plaster homes where the visible mold is confined but the smell spreads through the house. We interpret results in plain English, not lab jargon.
Mold Removal Specialist in Rochester
Mold Removal Specialist work in Rochester is not a spray-and-wipe job. On a typical pre-1960 house, it means setting up containment, cutting out saturated plaster and lath, treating the framing, and drying the cavity to a verified moisture content before anything gets closed back up. Full containment with HEPA air scrubbers, antimicrobial treatment, structural drying, and local rebuild prep runs $1,800 to $6,500 for most Rochester residential jobs. Small, contained areas like a bathroom ceiling section or a crawl space treatment may run $1,200 to $2,500. Larger basement remediations with finished-wall tear-out and full drying can push past $8,000.
Containment and Cut-Out
In Rochester’s pre-WWII homes, you cannot treat mold as a surface problem. The plaster and lath hold moisture for weeks. If you spray the surface and paint over it, the mold comes back. We contain the work area under negative air pressure, remove the saturated material, and treat the framing and cavity. Then we dry it properly, which matters more in Rochester than almost anywhere else because of the freeze-thaw moisture cycles in these old walls.
Crawl Space Treatment
Rochester basements and crawl spaces are routinely damp. Rubble-stone foundations wick groundwater, and the Lake Ontario humidity keeps things wet. We treat crawl spaces with antimicrobial application, install or repair vapor barriers, and dehumidify until the wood moisture content drops below the threshold where mold can grow. Most Rochester crawl space treatments run $1,500 to $4,000 depending on square footage and access.
Trusted Brands We Service in Rochester
Marsh Water Damage Restoration runs Dri-Eaz air movers and dehumidifiers, Phoenix drying systems, and B-Air HEPA scrubbers on Rochester mold jobs. These are the same machines national commercial restoration firms use on large losses. We keep them on our Rochester trucks, not in a warehouse two hours away. That means faster deployment to neighborhoods like Beechwood, Charlotte, and Corn Hill, and it means we can run multiple drying units on a single Rochester job without waiting on equipment transfers. When you’re dealing with hidden mold behind plaster, drying capacity is the difference between fixed and returning.
Common Mold Remediation Problems We See in Rochester Homes
- Delayed ceiling collapse after ice dam leaks. A plaster ceiling looks stable for two to four weeks after the leak, then the water-logged lath keys finally let go and the ceiling comes down. We see this in Rochester more than any other failure mode. If you had an ice dam leak this winter, get the cavity inspected now, not after the ceiling fails.
- Surface-only treatment on plaster walls. Someone treats the visible mold but never opens the wall. Spores stay alive in the damp lath behind the finish and reappear within months. Rochester’s original plaster and lath construction holds moisture like a sponge, so a surface-only job is a wasted job.
- Drying plans that under-count Rochester’s plaster homes. A tech trained on drywall takes a surface reading, declares the wall dry, and closes it up. Deep in a balloon-frame wall chase, the lath is still at 25% moisture content. Proper drying here takes Injectidry mats to pull moisture out of cavities, and it takes more days than a newer-construction job.
- Lead-paint and asbestos surprises mid-job. Pre-1978 construction is effectively the default in Rochester. If a remediation plan doesn’t account for lead-paint containment and potential asbestos in old plaster or flooring, the job halts the moment the test comes back. We plan for it before demo starts so the work doesn’t stop halfway.
Pricing for Mold Remediation in Rochester, NY
Most Rochester mold remediation jobs land between $1,800 and $6,500. A small contained removal in one room with drying runs $1,800 to $3,000. A basement with finished wall tear-out, full containment, and multi-day structural drying runs $4,000 to $8,500. Mold inspection with moisture mapping runs $350 to $700, and crawl space treatment runs $1,500 to $4,000. What moves the price in Rochester specifically is the age of the home. Plaster and lath removal is slower than drywall cut-out, and pre-1978 homes mean lead-paint containment and asbestos testing are part of most scopes. You’ll get a written price before we start, and that price doesn’t move unless we find something structural and show you exactly what it is and what it costs before proceeding. Call (910) 613-6568 for a free estimate on Rochester mold remediation.
We Also Serve Cities Near Rochester
We run the same Rochester mold remediation crews to Hilton, Webster, Brockport, and East Rochester. Same equipment on the truck, same Threshold Verified technicians, same written price and 365-Day Done Right Promise. We’re a Rochester-based service team covering the full metro.
Serving Rochester, NY - Our Local Coverage Area
We’re based in the Rochester 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 Rochester
Immediately, if not sooner. Rochester’s plaster-and-lath walls hold moisture for weeks after the leak stops, and mold starts growing in 24 to 48 hours in those conditions. The musty smell means it’s already active. Call (910) 613-6568 and schedule an inspection before the ceiling has a chance to fail.
Because the wall has to dry before it can be properly treated and closed up, and in Rochester’s plaster construction that drying takes longer than in drywall homes. Rushing the job means trapping moisture behind the finished wall and guaranteeing the mold returns. A real Rochester remediation plan includes the drying days as part of the scope, not an afterthought.
Yes. Sewer backups are Category 3, meaning the water and anything it touched carries bacteria and pathogens. Mold that grows in that environment requires full containment, antimicrobial treatment, and removal of porous materials that absorbed the water. This is not a bleach-and-scrub job. Call us and we’ll scope it correctly.
Because those homes are built with plaster and lath over balloon-frame construction, and that system absorbs and retains moisture far longer than modern drywall over platform framing. Cutting out and drying a plaster wall in Corn Hill takes more equipment, more drying days, and more skill than a drywall cut-out in a 2015 house. Anyone quoting you the same timeline for both doesn’t know Rochester construction.
Yes, and in Rochester that means almost every house. Pre-1978 construction is the default in this city. Any cut-out that disturbs painted surfaces requires lead-paint containment under EPA rules, and old plaster and flooring often trigger asbestos testing. We handle both as part of the scope on every Rochester job, planned upfront so the work doesn’t stop mid-project.
If you’re dealing with mold in Rochester, call (910) 613-6568. A live person answers, the price is written before work starts, and the technician who shows up is the exact person whose name and photo we sent you. That’s how we work in Rochester.
Written by Tobias Reyner, Owner at Marsh Water Damage Restoration, serving Rochester since 2005.






Before
After
Before
After
Before
After