Water damage drying
Fire & smoke cleanup
Mold remediation
Storm response
Sewage cleanup
ReconstructionFree 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.
Get your free estimateFast, Reliable Mold Remediation Across Irvine
Mold remediation in Irvine typically runs $1,800 – $6,500 depending on containment area, cavity access, and whether HOA architectural review slows the start. Most Irvine jobs we handle involve hidden moisture behind walls or ceiling assemblies, not surface mold on tile. We work across all Irvine ZIP codes, including 92697, 92710, 92602, and 92603, and we know the difference between a Woodbridge slab leak and a Great Park upstairs laundry drip before we ever open the wall. If you smell must or see staining in an Irvine home, call (855) 855-9631 for a same-week assessment.
Why Guild Water Damage Is Irvine’s Preferred Mold Remediation Company
Irvine homeowners don’t call us because they like our logo. They call because someone in their HOA group chat said we showed up with Dri-Eaz dehumidifiers and an Injectidry cavity-drying system instead of box-store fans and a prayer. Our Mold Remediation team works from a documented, IICRC-certified process, and Noel Hargrove holds every job to the same standard he’d apply in his own house. That consistency matters in Irvine, where calls come from University Park townhomes, Portola Springs detached builds, and everything between. We’ve handled mold behind original 1970s drywall and mold under two-year-old upstairs laundry rooms. The housing stock changes; the protocol doesn’t.
We’ve been called into Irvine homes where another crew already “passed” the place with surface moisture pins. In Irvine’s dry, windy conditions, that’s a false negative. Our techs run invasive cavity readings before we sign off on anything. That’s the Guild standard: not faster, not cheaper, just verifiable.
Restoration work we handle
Mold Removal Contractor in Irvine
A mold removal contractor in Irvine does more than cut out stained drywall. The job starts with finding the water source, mapping moisture through the cavity, and setting containment before anyone opens a wall. In Irvine’s attached villages, that containment step often has to work around CC&R rules about what can sit where and for how long. We know how to sequence that.
Most full-room mold removal in Irvine runs $2,200 – $4,800. A single shower wall or laundry closet starts closer to $1,800. Costs climb when mold has colonized the stud cavity and framing needs antimicrobial treatment before patch-back. We’ll give you a written scope before we start, so the HOA and your adjuster both see the same numbers.
Containment and Negative Air
We set HEPA-filtered negative air on every active mold job, even small ones. In Irvine’s attached townhomes, that’s not optional. Spores travel through shared wall cavities faster than people expect, and one open wall can seed a neighbor’s unit. Our containment setup is what IICRC training demands, and it’s what we do without being asked.
Post-Remediation Clearance
After remediation, we run a clearance pass on the air and the cavity. Not just a visual check. We test because Irvine’s Santa Ana winds can make a wet wall read dry at the surface while mold is still alive behind the paper facing. If clearance fails, we re-treat before we close anything up. You don’t pay for a second mold bloom six months later.
Bathroom Mold Removal in Irvine
Bathroom mold removal in Irvine usually starts with a call about a musty smell that won’t go away, not a visible black patch. The bathroom looks fine. The exhaust fan runs. But behind the tile or under the pan, a slow supply-line drip has been feeding mold in a space that never fully dries. In Irvine’s newer Portola Springs and Great Park builds, we see this in upstairs bathrooms where trusses and subfloor hold moisture longer than slab-on-grade first floors ever did.
Bathroom mold removal in Irvine runs $1,800 – $3,500 depending on whether we’re pulling the pan, opening a wall, or just treating the cavity after drying. A straight cosmetic regrout and surface treatment sits at the lower end. A pan pull with subfloor drying and antimicrobial treatment lands at the higher end.
Shower Pan and Tile Backer Work
When water gets behind a shower pan in an Irvine home, the visible grout usually looks fine. We pull the pan, map the moisture, and dry the subfloor and framing before anything goes back. If the backer board has wicked moisture, it comes out. Patching over wet substrate is how mold comes back, and it’s how bad contractors stay busy.
Exhaust Fan and Ventilation Review
Irvine bathrooms built in the 1990s and early 2000s often have builder-grade exhaust fans that move about half the air they should. If the fan can’t pull humidity out, even a properly dried bathroom will re-humidify and re-grow. We’ll flag that in the written scope as a repair item, not an upsell. It’s part of doing the job once.
Trusted Brands We Service in Irvine
We run Dri-Eaz dehumidifiers and air movers on Irvine mold jobs, plus Injectidry panels for cavity and subfloor drying. These aren’t rental-counter machines. They’re the same professional-grade brands specified by restoration engineers. We also work to IICRC standards on every job, which is what your Irvine HOA and your insurance adjuster both want to hear. We don’t stock parts shelves in Irvine, but our equipment trailer carries enough to start containment and drying the same day we assess. We’re an RIA member and IFA-affiliated, which means there’s a professional code of conduct behind every line item on your scope.
See the difference
Before
After
Before
After
Before
AfterCommon Mold Remediation Problems We See in Irvine Homes
- Santa Ana dryness masking hidden moisture. Irvine’s dry, windy conditions pull water out of surface drywall fast. A wall reads dry on pins while the stud cavity behind it stays wet and moldy. We rely on invasive cavity readings, not surface pins, before we sign off.
- Upstairs laundry room leaks in newer villages. Great Park and Portola Springs homes put laundry rooms upstairs. A slow tankless-heater drip or supply-line pinhole sends water through the ceiling assembly, and mold starts in the cavity above the visible stain, not below it.
- Slab-buried galvanized lines in older tracts. Woodbridge and University Park homes from the 1970s still carry original galvanized supply lines. A pinhole leak behind a shared townhome wall can soak framing and drywall for weeks before anyone sees staining. By then, the cavity is colonized.
- HOA and CC&R review delays. In attached Irvine villages, architectural review rules can slow containment and pack-out. Mold has a 24-to-48-hour clock once it’s wet. We sequence work so containment starts where we can while paperwork clears where it must.
Pricing for Mold Remediation in Irvine, CA
A single-wall mold removal in Irvine runs $1,800 – $2,600. A bathroom pan pull with subfloor drying and antimicrobial treatment runs $2,400 – $3,500. A full room with containment, negative air, cavity drying, and clearance testing runs $3,800 – $6,500. What moves the number: whether the mold is surface-level or inside the cavity, whether we’re pulling tile or just cutting drywall, and whether HOA rules force phased work. Every Irvine job gets a written scope with line-item pricing before tools come out. Call (855) 855-9631 for a free estimate on your specific job. Estimates are free, and the numbers don’t change because you live behind a gate.
We Also Serve Cities Near Irvine
Our Mold Remediation crews work the same week across Tustin, Aliso Viejo, Santa Ana, and North Tustin. If you’re in one of those cities and the musty smell just showed up, call (855) 855-9631. We’ll schedule around your HOA, your work hours, and your insurance adjuster, not the other way around.
Serving Irvine, CA — Our Local Coverage Area
We’re based in the Irvine 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 Irvine
Irvine’s semi-arid climate and Santa Ana winds pull moisture out of surface materials so quickly that a wall can read dry while the stud cavity behind it stays wet. In Woodbridge and University Park, original galvanized supply lines pinhole behind walls and soak framing for weeks before anyone sees a stain. In Great Park and Portola Springs, upstairs laundry drips start in the ceiling assembly above the visible mark. If you smell must but see nothing, call us. We’ll map the moisture properly instead of guessing.
Yes, in most attached Irvine villages and planned-unit developments, architectural review rules apply to visible containment, exterior equipment placement, and sometimes the timing of pack-out. But mold doesn’t wait for committee calendars. We sequence the job so interior containment and drying start immediately where allowed, while any exterior-facing work waits for the signature it needs. We document everything in writing so your HOA sees exactly what was done and when.
We start by opening the ceiling below the laundry closet enough to map moisture across the truss and subfloor cavity. In newer Irvine builds, the visible stain on the ceiling is usually smaller than the actual wet area. We set containment with negative air, run Injectidry panels on the cavity and Dri-Eaz dehumidifiers in the room, then treat framing with an antimicrobial before patch-back. The Santa Ana dryness works against you here: surface reads low while the cavity is still feeding mold.
Yes. We classify the water source during the initial assessment. A clean supply-line leak, like a tankless heater drip or a pinhole in a PEX line, is Category 1. Water that has been sitting, has picked up dust and building material, or has come from a drain or appliance sump is Category 2. The difference determines how much drywall comes out. In Irvine’s older tracts, slab-buried galvanized leaks often present as Category 2 by the time they’re found because they’ve been soaking the cavity for weeks. We’ll write the classification into your scope so your adjuster sees it, too.
We work to IICRC standards on every Irvine job, and we run Dri-Eaz dehumidifiers and Injectidry cavity-drying systems in the field. Our techs follow documented protocols rather than improvising. We’re also RIA members and IFA-affiliated, which adds a layer of professional accountability beyond the minimum. If your HOA or insurance adjuster asks what standards we follow, you’ll have a straight answer. Call (855) 855-9631 and we’ll walk you through the process for your specific Irvine home.
Written by Noel Hargrove, Owner at Guild Water Damage, serving Irvine since day one.