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Mold Remediation & Removal in Dallas, TX

What it will take to fix, what it should cost, and what Texas lets you demand if you rent. Leave a number and a specialist in Dallas calls you back.

  • Know whether this needs someone today, or can wait
  • Know what the work should cost before anyone quotes you
  • A specialist who works where you live calls you back

How urgent is this

Get someone out today

  • The affected area is larger than about ten square feet
  • Water is still coming in and you cannot stop it
  • It is behind a wall or under a floor and you cannot see how far it runs
  • It came back after you cleaned it

It can wait a few days

  • A patch of grout or caulk in a bathroom you can reach
  • Surface growth on a hard, non-porous surface
  • You have found the leak and already stopped it

Fix the water first. Mold that keeps getting wet comes back whatever anyone does to it, and that is as true in Dallas as anywhere else.

What to do now

Five things that are worth doing before anyone comes out to your home in Dallas. None of them require tools or a purchase.

  1. Turn off HVAC and fans. Moving air spreads spores to rooms that are still clean. Switch off central air, window units and standing fans in the affected area.
  2. Leave the growth alone. Do not scrub, scrape or dry-brush it, and do not tear out wet drywall or carpet before someone has looked at the extent of it.
  3. Find the water first. Mold follows moisture. A roof leak, a failed supply line, a cracked foundation wall or a bathroom fan vented into the attic will bring it straight back after any cleanup.
  4. Skip the bleach. Bleach is not the standard approach for porous materials such as drywall, framing or insulation, and it adds fumes to a room you may still need to work in.
  5. Photograph and document. Dated photos of the growth and of the water source help later, both with the provider scoping the work and with an insurance claim if you file one.

If the affected area is larger than a few square feet, if the water source is still active, or if you cannot tell how far it runs behind a wall or under a floor, that is the point to talk to someone who does this work.

Get help from a specialist

Tell us what you are looking at in Dallas

Five short questions, then your number. The call comes from someone who works in Dallas and knows how buildings fail in Texas — and you take it already knowing what the work should cost.

  • The call comes from the person who would do the work, not from a dispatcher
  • They already know what you answered, so you are not starting over
  • You decide after that call. Nothing is booked by sending this.

Step 1 of 6 · about 30 seconds

What are you dealing with?
Is the Dallas property yours?
Roughly how large an area
Is water still getting in?
When did you first notice it?
Where in Dallas, and who do we call?
Five digits. This is what decides who gets your job.

How should they reach you?

We pass what you send to an independent provider so they can get in touch. See Disclosure & Privacy.

What it costs

$1,500 – $9,000 vs $1,125 – $3,439What a whole job runs, in the two national guides we compare — Fixr and Bob Vila, retrieved 2026-10-14. They disagree by a factor of more than two at the top end, which is the useful part.

Those are national figures. We publish no prices for Dallas: no sourced data supports them, and a number invented for a city is worse than no number. The full comparison is on mold removal cost and inspection and testing cost; the number for your house comes from the provider after they have seen it.

If you rent in Texas

If you rent in Texas, the first thing to know is that mold is not named in the statute. A landlord’s repair duty covers conditions that materially affect the physical health or safety of an ordinary tenant, and the examples the law spells out are raw sewage, flooding, broken heating or cooling, and lack of potable water. Mold has to be shown to meet that standard rather than simply being pointed at.

The practical route is an inspector. A local building or health official confirming the condition is one of the ways the law recognises, and it turns an argument into a document. Before any of the tenant remedies apply you also have to be current on rent, give the landlord proper notice, and allow a reasonable time for the repair.

Source: Texas State Law Library — Landlord/Tenant Law: Failure to Repair · retrieved 2026-10-15

What the city will and will not do in Dallas

Dallas is the clearest of the four, because the city writes its own limit down. Code Compliance publishes the list of violations the Dallas City Code lets it enforce — water leaks, weather and water tightness, inoperable A/C, inoperable heating, improper sewage discharge — and separately lists what it has no jurisdiction over. Mold is on that second list.

That is workable if you report the right thing. A 3-1-1 request about the leak, the failed weather stripping or the A/C that has not run for a month is inside the code; the same request about mold is outside it. Dallas also publishes multi-tenant inspection scores by year, which is a document worth reading before you sign a lease.

Source: City of Dallas Code Compliance — Multi-Tenant Inspection Program (Sec. 27-11 of the Dallas City Code) · retrieved 2026-10-15

Licensing in Texas

Texas is one of the few states that licenses this work directly. TDLR requires a licence for mold-related activities, with an exemption for projects smaller than 25 contiguous square feet, and it does not allow one company to carry out both the assessment and the remediation on the same project. Asking for a licence number here is not awkward, it is how the system is meant to work.

Source: TDLR — Mold Assessors and Remediators at a Glance · retrieved 2026-10-14

What is different about Dallas

Dallas records 37.57 inches of rain a year across 52 days, with an average temperature of 67.2°F. By the numbers it sits in the middle of our twelve: wetter than Denver by a wide margin, drier than the Gulf Coast, and warm enough that materials hold moisture well after the rain stops.

In a metro this size the useful question is usually the age and type of the building rather than the city average. A fifty-year-old structure and a new build in the same postcode fail in different places and on different timescales.

Where to look first here: wherever the building has been altered. Additions, converted garages and re-roofed sections are where assemblies meet badly, and that is where water gets in regardless of the annual average.

Almost exactly half the housing predates 1980, which is the practical reason two houses in the same postcode fail differently: one has had forty-five years of plumbing and roof history, the other has had five.

Mold in Dallas: what matters locally

37.57"

Average yearly precipitation

How much water the building envelope has to shed in a year.

Source: NOAA NCEI, 1991–2020 US Climate Normals · DALLAS FAA AP · retrieved 2026-10-14

51.8

Days a year with 0.1" of rain or more

How often the envelope gets wet matters more than the yearly total: materials that never dry out are the ones that grow.

Source: NOAA NCEI, 1991–2020 US Climate Normals · DALLAS FAA AP · retrieved 2026-10-14

67.2°F

Average yearly temperature

Warm air holds more moisture, so the same rainfall behaves differently in a warm climate and a cold one.

Source: NOAA NCEI, 1991–2020 US Climate Normals · DALLAS FAA AP · retrieved 2026-10-14

60%

Average relative humidity

Indoor humidity follows outdoor humidity wherever air is not conditioned — a crawl space, an attic, a closed-up room. It matters more than rainfall for whether surfaces dry.

Source: NOAA NCEI, Local Climatological Data, daily averages 2022–2024 · DALLAS FAA AP · retrieved 2026-10-15

49.5%

Homes built before 1980

Of 584,643 housing units. Older envelopes mean fewer vapour barriers, more plumbing history, and more places water has already been.

Source: U.S. Census Bureau, ACS 5-year 2019–2023, table B25034 · retrieved 2026-10-15

How the work is usually done

  1. Step 1

    Assessment

    A walkthrough to find the moisture source and the extent of the growth. Moisture meters and, where needed, sampling.

  2. Step 2

    Containment

    The work area is isolated with sheeting and negative air pressure so that demolition does not move spores through the rest of the house.

  3. Step 3

    Removal

    Porous materials that cannot be cleaned — drywall, insulation, carpet pad — come out. Framing and hard surfaces are cleaned in place.

  4. Step 4

    Cleaning and drying

    HEPA vacuuming and wiping of surfaces, then dehumidifiers and air movers until materials are back to normal moisture content.

  5. Step 5

    Clearance check

    A final look, and on larger jobs post-remediation verification, often by a third party rather than the contractor who did the work.

Scope and sequence are set by the provider after they see the property. Steps may be combined on a small job.

Questions about mold in Dallas

How fast does this get worse?

Growth follows moisture rather than a calendar. What decides the pace is how long materials stay wet, which is why stopping the source comes before anything else.

Do I need a licensed remediator in Dallas?

For work above 25 contiguous square feet, TDLR licensing applies. Below that threshold the state exempts the job.

Who checks the work afterwards?

In Texas the assessment and the remediation are separate licensed activities, so the clearance check is not done by the company that did the removal.

Is testing worth paying for here?

It is worth paying for when nothing is visible and you need to know whether there is a problem at all. Where growth is visible, the lab result rarely changes the work.

Sources and standards

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