Mold Remediation in Dallas, TX

How does a Dallas mold remediation call work?

You call (856) 595-8837 and a support manager records the problem, the rooms involved and your ZIP code, then books a time that suits you. A local mold specialist follows up quickly, sometimes the same day, and quotes the job by phone.

1. Dial (856) 595-8837 and tell the support manager what you see or smell.
2. Agree on a booking time with the support manager.
3. Answer the specialist's follow-up call, where the estimate is given.

Notes that speed up a Dallas estimate

• Which part of the cooling system is involved: supply vents, the return grille, the air handler closet or duct runs in the attic.
• The size of each patch. The U.S. Environmental Protection Agency (EPA) treats growth under about 10 sq ft, a 3 ft by 3 ft square, as a job most owners clean themselves.
• The date of any roof leak, burst pipe, overflowing drain pan or storm water that entered the house.
• Household members with asthma, a mold allergy, chronic lung disease or a weakened immune system, the groups the Centers for Disease Control and Prevention (CDC) places at higher risk.
• Whether the air conditioner still runs. EPA advises against operating a system you know or suspect holds mold, because the blower carries it through the building.

Why does mold follow the air conditioning in Dallas?

Dallas homes run air conditioning for most of the year. Dallas Love Field logs about 3,125 cooling degree days against 1,992 heating degree days, so coils, drain pans and ducts stay cold and wet for months, which is where mold starts.

Cooling demand outweighs heating

A cooling degree day counts how far a day's mean temperature rises above 65°F. Dallas Love Field, the NOAA normals station that supplies degree days for 26 of the city's 48 covered ZIP codes, records about 3,125 cooling degree days and 1,992 heating degree days a year (1991-2020 normals). Dallas Redbird Airport, serving 12 southern ZIP codes, records about 2,835 cooling degree days, and the Richardson station, serving 8 north Dallas ZIP codes such as 75240, 75248 and 75287, about 2,612. Dallas County as a whole averages about 2,678 (NOAA nClimDiv, 1991-2020).

What a hard-working air conditioner leaves behind

An air conditioner pulls water out of indoor air as it cools. That water collects on the cold evaporator coil, drips into a drain pan and leaves through a condensate line. EPA tells owners to keep drip pans clean and drain lines unobstructed and flowing, and to hold indoor relative humidity below 60 percent, ideally between 30 and 50 percent. EPA's duct guidance names condensation on or near cooling coils as a major factor in moisture contamination of the system. A clogged line or a cracked pan keeps the air handler closet wet for weeks before a stain shows.

Rain, storms and flood claims

Dallas Love Field averages 38.3 inches of precipitation a year, and the Richardson station averages 41.9 inches. Owners in Dallas's 48 residential covered ZIP codes have filed 1,623 National Flood Insurance Program (NFIP) claims since 1978, 362 of them since 2016. ZIP 75234 leads with 134 claims, followed by 75218 with 125 and 75215 with 113, while 75229 has the most recent activity: 41 claims since 2016. Dallas County has 6 federal major disaster declarations since 2000 under flood, hurricane, severe ice storm and severe storm incident types. ZIPs 75249 and 75251 show no NFIP claims; that record counts insured losses only and does not rule out flooding.

Roof and storm leaks start the clock the same way a condensate overflow does. EPA's guidance is to dry water-damaged areas and items within 24 to 48 hours to prevent mold growth.

Where does mold grow first in a Dallas house?

Dallas mold shows up first in 3 places: the air conditioning system (coil, drain pan, ducts and vents), ceilings and attics under roof leaks, and bathrooms. Each stays damp for days, and a musty smell from the vents comes first.

Air conditioning and duct mold

Dark specks around a supply register, a sour odor when the system starts, or water standing in the drain pan point to growth inside the system. EPA lists the inside of ductwork as a hidden-mold location and refers owners to its duct-cleaning guide before work begins. The Dallas specialist checks the coil, pan, condensate line, duct interior and vent boots, then prices the cleaning and the drainage fix together. Our guide to mold in air ducts covers duct materials, cleaning methods and when ducts are replaced.

Roof-leak mold

CDC lists leaks in roofs among the places mold grows. A lifted shingle, a cracked flashing boot or an overflowing gutter lets water into the decking, the attic insulation and the ceiling drywall below, often without a drip anyone notices. EPA's advice is to clean and repair roof gutters regularly. The specialist traces a ceiling stain upward to the decking and lists the roof repair apart from the mold work on the quote.

Bathroom mold

Showers add moisture to the air every day, and EPA notes that places that stay damp are hard to keep free of mold. Its advice is to run the bathroom fan or open the window when showering. Growth confined to grout and caulk is a cleaning job; growth that spreads across the ceiling or behind tile points to a leak or trapped moisture, and that is where a specialist starts with a moisture meter.

Which materials does Dallas AC and roof-leak mold ruin?

AC and roof-leak mold in Dallas damages 5 materials most often: duct liner and flexible duct, ceiling drywall, attic insulation, carpet and pad, and wood framing around the air handler. Porous items that mold has filled are replaced; hard, sealed surfaces are cleaned.

• Duct liner and flex duct

  Fibrous duct board and the insulated jacket of flexible duct hold dust and moisture. EPA states that wet or moldy duct insulation cannot be effectively cleaned and is removed and replaced.

• Ceiling drywall

  Gypsum board under a roof leak or a sweating duct soaks up water and holds it. EPA treats moldy drywall as porous material that comes out, because mold cannot be fully cleaned from it.

• Attic insulation

  Fiberglass and cellulose under a leaking roof or a dripping duct lose their value once soaked. EPA's water-damage table calls for discarding and replacing both.

• Carpet and pad

  An overflowing condensate pan in a hallway air handler closet soaks the pad before the carpet surface shows a stain. EPA notes that porous items such as carpet and ceiling tiles often go to the trash once moldy.

• Wood framing

  Studs, platforms and decking around the air handler and under the roof are cleaned, dried and kept when sound. EPA states that molds gradually destroy the things they grow on.

What does Texas law require for mold remediation in Dallas?

In Texas, mold assessors and remediators are licensed by the Texas Department of Licensing and Regulation (TDLR) under Occupations Code chapter 1958, and the same company generally cannot do both the assessment and the remediation on one project.

TDLR's mold FAQ sets a size line: visible mold covering less than 25 contiguous square feet can be cleaned by people who are not licensed. A TDLR-licensed remediation contractor stays bound by the rules even on a job that small. Before any mold work starts, TDLR-licensed assessors and remediators give each client a copy of the Consumer Mold Information Sheet.

At the end of a project, clearance comes from a post-remediation assessment by the TDLR-licensed consultant who prepared the remediation protocol. Only a TDLR-licensed remediator issues the Certificate of Mold Damage Remediation (CMDR), a Texas Department of Insurance form stating that the property does not contain evidence of mold damage. Senate Bill 1255 amended chapter 1958 effective 09/01/2025, and TDLR states that its mold rules stay in effect while new rules are written.

Ask for the TDLR license numbers of both firms, the assessor and the remediator, before work starts, and for the CMDR when the job closes. Statewide rules and the other Texas cities we cover are on our page about mold remediation across Texas.

What steps does mold remediation follow in a Dallas home?

Mold remediation in a Dallas home follows 6 steps: a moisture and growth survey, sealed containment, high-efficiency particulate air (HEPA) filtration, removal or cleaning of affected materials, repair of the leak or drainage fault, and a clearance check before rebuilding.

1. Survey: growth is mapped, moisture is read in drywall, wood and insulation, and the air handler is opened to inspect the coil and pan.
2. Containment: plastic sheeting and negative air pressure seal the work zone. EPA sets limited containment for 10 to 100 sq ft of growth and full containment above 100 sq ft.
3. Filtration: HEPA air scrubbers run throughout, and HEPA vacuums collect settled dust once materials are out.
4. Removal: moldy duct liner, drywall, insulation and carpet leave in sealed bags; framing and metal are scrubbed with detergent and water, then dried.
5. Correction: the clogged condensate line, cracked pan or roof leak is repaired so the water stops.
6. Clearance: under Texas rules, the TDLR-licensed assessment consultant completes the post-remediation assessment before walls, ducts or ceilings close.

Should Dallas homeowners test for mold before remediation?

No, most Dallas homes need an inspection, not a lab test. CDC does not recommend mold testing, and visible growth is removed whatever its species. Sampling earns its fee for a musty odor with no visible source and for clearance after the work.

In Texas the inspection step carries its own license: TDLR licenses mold assessment consultants and technicians, and the firm that assesses a project does not remediate it. That split, set by state rule, builds an independent check into every TDLR-licensed Dallas job. EPA has set no federal limits for airborne mold, so the assessor's moisture map matters more than a spore count. Assessor questions, sampling choices and published Dallas testing fees are on our page about mold inspection in Dallas.

How much does mold removal cost in Dallas?

Mold removal in Dallas, TX typically costs $1,180 to $3,062, with a $2,096 average, as listed by HomeAdvisor (Angi) and read in search results on 11/12/2026, unverified. These are not quotes; the specialist gives your price on the call.

We read the Dallas figures in search results on 11/12/2026 and have not verified them on the HomeAdvisor page itself. They are marketplace averages, not a quote; the specialist prices your Dallas job from what you describe on the call.

What moves a Dallas price

• Area: square feet of growth set the base, and crossing EPA's 100 sq ft line moves a job from limited to full containment.
• System work: coil, pan and duct cleaning, or duct replacement, is its own scope, priced apart from wall and ceiling work.
• Access: attic duct runs and cramped air handler closets slow the work compared with an open room.
• Tear-out: every square foot of drywall, insulation or carpet removed returns later as a rebuild line.
• Assessment: the TDLR-licensed consultant's protocol and post-remediation assessment come from a separate firm with its own bill.

A complete Dallas quote lists

• Square feet per room, with the attic and the air handler closet measured separately
• Containment level and the number of HEPA units
• Each material removed and each surface cleaned
• The condensate, duct or roof repair, or the trade that handles it
• The remediator's TDLR license number and the assessor's, from separate firms
• The post-remediation assessment and the CMDR at the close

Red flags

• One company offering both the assessment and the remediation on the same Dallas project, which Texas rules do not allow.
• A duct cleaning price that leaves the clogged drain line or wet coil untouched.
• A surcharge because the mold is called "black" or "toxic"; CDC sees no need to identify the type.
• A spore count used as a sales pitch, when EPA has set no federal limit for airborne mold.

What marks a Dallas mold job as finished?

A Dallas mold job is finished when the water source is fixed, materials read dry, the TDLR-licensed consultant's post-remediation assessment passes, and the remediator issues the Certificate of Mold Damage Remediation. Skipping the drainage or roof repair brings the growth back.

EPA puts it plainly: mold cleaned up while the moisture problem remains comes back. For an air conditioning job in Dallas, that means the condensate line flows, the pan drains, and attic duct runs no longer sweat before new duct or drywall goes in. For a roof-leak job, the roofer finishes before the ceiling closes. Keep the CMDR with your home and insurance records; it is the Texas Department of Insurance form that documents the completed work.

Which Dallas ZIP codes and nearby towns are covered?

Our network covers 48 residential Dallas ZIP codes, from 75201 to 75287, and every one is listed below. Calls from 8 nearby towns are covered as well: Balch Springs, Cedar Hill, DeSoto, Duncanville, Hutchins, Lancaster, Seagoville and Wilmer.

Covered Dallas ZIP codes: 75201, 75202, 75203, 75204, 75205, 75206, 75207, 75208, 75209, 75210, 75211, 75212, 75214, 75215, 75216, 75217, 75218, 75219, 75220, 75223, 75224, 75225, 75226, 75227, 75228, 75229, 75230, 75231, 75232, 75233, 75234, 75235, 75236, 75237, 75238, 75240, 75241, 75243, 75244, 75246, 75247, 75248, 75249, 75251, 75252, 75253, 75254 and 75287.

Calling from a Dallas-area ZIP code that is not listed? The support manager checks coverage on the call.

Dallas mold remediation FAQ