Mold Removal & Remediation Cost in Baton Rouge, LA
Mold removal cost in Baton Rouge runs from a few hundred dollars for a small patch on a hard surface to five figures when a whole floor has to be opened after high water. The ranges below cover the common jobs in East Baton Rouge Parish homes, from a single bathroom to the crawl space under a raised house, along with what pushes a number up or down and how to read a written scope. They are budgeting ranges, not a quote; the figure that counts arrives in writing after the house has been seen. To talk a number through, call (225) 422-7176.
Mold removal cost by job in Baton Rouge
Each range assumes an ordinary house in the parish. A raised house with very little room underneath, an attic reached through a closet hatch, or a room that has been wet since spring sits toward the top of its row; a patch found early on a hard surface sits toward the bottom.
| Type of work | Range in Baton Rouge | Pushes the number up or down |
|---|---|---|
| Independent mold assessment with a written report | $300–$600; $500–$1,200 with 2–4 air samples; crawl-space assessment $400–$700 | square footage, a crawl space to enter, how many samples go to the lab |
| Lab samples, priced each (lab fee included) | air $75–$150; tape-lift or bulk $50–$100 | how many rooms are in question |
| Patch under 10 sq ft | $500–$1,500 | whether the surface can be cleaned in place or has to be cut out |
| A single room: bathroom, closet or bedroom | $1,500–$4,500 | drywall and insulation taken out, how much rebuild follows |
| Bathroom, including the adjoining wall and ceiling | $2,000–$6,000 | tile, tub or shower and fixtures removed and put back |
| Crawl space, one section of joists and subfloor | $2,000–$5,500 | how much framing needs cleaning and treatment |
| Crawl space, whole area cleaned and treated, new vapor barrier | $3,500–$9,000 | footprint, clearance under the floor, wet insulation to pull down |
| Crawl space, full encapsulation with a dehumidifier | $7,000–$18,000 | footprint, drainage work, size of the dehumidifier |
| Joist rotted through and replaced | $150–$400 per linear foot, added to the crawl-space price | length of the run and the access |
| Attic roof deck and framing | $2,500–$8,000 | deck area, roof pitch, insulation removed and replaced |
| AC system and ductwork, whole house | $6,000–$20,000 | system size, duct type, rooms the system has affected |
| Water extraction and drying, one room | $1,000–$3,500 | depth of water, how long it sat, floor and wall materials |
| Water extraction and drying, several rooms | $3,500–$10,000 | volume, kind of water, time since it got in |
| After a flood: one room | $3,000–$9,000 | days before drying began, floodwater or sewage |
| After a flood: the whole first floor | $10,000–$30,000 | share of the house that took water, AC work, rebuild |
| After a flood: the whole house | $25,000–$80,000+ | footprint, number of floors, AC replacement |
| Commercial, one office | $5,000–$15,000 | floor area, working hours, tenants in the building |
| Clearance air test once the work ends | $300–$700; crawl space $200–$400; $100–$200 per room after a flood job | number of work areas, extra samples |
What raises or lowers a mold removal cost
Porous material. Growth on tile, glass or sealed wood can be cleaned where it is. Growth that has worked into drywall, batt insulation, carpet pad or a textured ceiling cannot, so that material is cut out and replaced, and putting the room back together is often the larger part of the bill.
Access. A bathroom wall is a short reach. A crawl space with a foot or two of clearance, an attic in a Baton Rouge summer, or ductwork running through every room takes far more labor, and labor is most of any price here.
The water source. A scope that leaves the leak, the torn vapor barrier or the bath fan blowing into the attic in place is money spent twice. Correcting the cause may mean a plumber, a roofer or a dehumidifier, and it belongs in the plan from the start.
Time spent wet. The Louisiana Department of Health says that in most cases mold will not grow if wet areas are dried within 24 to 48 hours. Water caught inside that window is usually a drying bill; water found after a season is a remediation, often with framing treatment.
Testing before and after. An assessment at the start and a clearance test at the end add roughly $600 to $1,300 together. Those two reports are what a buyer, a tenant or an adjuster tends to ask to see.
Mold remediation cost and the Louisiana rules behind it
Two pieces of state law shape every Baton Rouge quote. The firm that assesses the mold may not also remediate it on the same property, or own a share of a company that does (La. R.S. 37:2158(A)(23)). The assessment fee and the removal price therefore come from two separate businesses, and neither is knocked off the other.
The second is a dollar line. Mold remediation with a project value of $7,500 or more has to be carried out by a contractor holding the state mold remediation license issued by the Louisiana State Licensing Board for Contractors (La. R.S. 37:2150.1). Whatever the size of the job, a contractor doing mold remediation must give the customer it has contracted with, in writing and when asked, its name, license number, classification and current insurance certificates (La. R.S. 37:2158(A)(15)). Nothing stops you asking for the same papers before you sign.
When the lower mold removal price is the right one
Not every patch calls for a full remediation scope. A few square feet of growth on a hard surface, with the moisture already sorted out, is a small job at the bottom of the table. A crawl space that smells damp but shows nothing on the wood is a vapor barrier and humidity question rather than a mold job. A bathroom ceiling that darkens again after every few weeks of showers usually needs its exhaust fan ducted to the outdoors before anything else is spent. A good assessment says plainly when the small fix is the whole fix.
Reading a mold remediation cost quote line by line
Two quotes for the same Baton Rouge room can sit thousands of dollars apart, and the gap is nearly always in what one of them leaves out. Look for containment written in: plastic sheeting, the work area held under negative pressure through a filtered machine, vents sealed. Look for each material that is coming out, listed by room and amount, and a clear note on whether the rebuild is inside the price. Look for what happens to framing that stays (cleaned, treated and dried, not simply sprayed), which drying equipment runs and for how long, and a clearance test at the end by someone other than the company that did the removal.
A quote that reads "treat mold, one room" next to a single figure leaves every one of those points open to argument later.
Getting a written mold removal cost for your house
Ring (225) 422-7176 with the address, where the growth is and whether water has been in the house. A rough range can often be given on that first call from the table above; the number anyone can be held to is the written one that follows the assessment. If you would rather write than talk, use the callback form below or the contact page.
Mold removal cost questions from Baton Rouge homeowners
How much does mold removal cost in Baton Rouge?
Most house jobs fall between $500 for a small patch and $4,500 for a single room. A crawl space runs $3,500 to $9,000, or $7,000 to $18,000 fully encapsulated; an attic $2,500 to $8,000; a whole-house AC and duct job $6,000 to $20,000. Call (225) 422-7176 for the range that fits your house.
Is mold remediation priced by the square foot?
Rarely, for a room. Building containment, bringing equipment in and clearing the space afterwards cost about the same whether the patch is small or large, so rooms are priced as rooms, while attics and crawl spaces are priced by area and access. Call (225) 422-7176 and describe the space.
Why is the assessment billed separately from the removal?
Louisiana does not let one company both assess and remediate mold on the same property (La. R.S. 37:2158(A)(23)). The assessment is paid to an independent firm and the removal price comes from a separate remediation contractor. Call (225) 422-7176 to begin with the assessment.
Will homeowners insurance pay for mold remediation?
That depends on the policy and on the cause. Mold that follows a sudden covered event, such as a burst supply line, is treated differently from mold that grew out of years of humidity or a slow drip, and many policies cap what they pay for mold at all. The adjuster decides, usually from the assessment report and photos. Call (225) 422-7176 if you need that paperwork.
Why is one quote so much lower than another?
Usually because something is missing: no containment, a spray where removal was needed, no drying, no clearance test, or no rebuild. Compare the line items rather than the totals. Call (225) 422-7176 and talk a quote through before you sign it.
Does a mold job of $7,500 or more need anything extra?
Yes. In Louisiana, mold remediation with a project value of $7,500 or more has to be done by a contractor holding the state mold remediation license (La. R.S. 37:2150.1), so ask for the license number in writing. Call (225) 422-7176 with any question about a larger job.
Are prices different in Denham Springs, Central or Gonzales?
No. The same ranges apply across East Baton Rouge, Livingston and Ascension parishes. Call (225) 422-7176 from any of those towns and the conversation starts the same way.
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