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Mold Prevention After Water Damage in Richardson, TX
The best mold job is the one you never need. The EPA says wet areas should be dried within 24 to 48 hours to prevent mold growth, so fast extraction and drying matter more than anything else. Call (972) 947-2040 to start drying today.
Prevention
How to keep mold from following a leak
- Stop the water source.
- Get standing water out the same day.
- Remove wet carpet pad, insulation and badly soaked drywall that can’t dry in time.
- Run air movers and dehumidifiers, with daily moisture readings, until materials reach their drying goal.
- Don’t close up walls, re-carpet or paint until readings confirm everything is dry.
More detail: structural drying.
Warning signs
Signs mold may already be growing
- A musty, earthy smell, especially in closets, under sinks or behind furniture
- Spotting or fuzzy growth on drywall, baseboards, wood or grout
- Discoloration that keeps coming back after cleaning
- Allergy-like symptoms that get worse in one part of the house
- Hidden leaks: stains, swelling baseboards or a water bill that rose
Not sure where water is hiding? See signs of hidden water damage.
Texas rules
Texas mold licensing rules
- 25 contiguous square feet or more of visible mold generally calls for a TDLR-licensed mold assessment consultant and a licensed mold remediation contractor, with limited exemptions, including some owners working on their own home.
- Assessment and remediation are separate. TDLR rules don’t allow the same company to do both on the same project.
- Certificate of Mold Damage Remediation. After licensed remediation, the remediator must provide the CMDR to the property owner. Keep it with your records; it matters when you sell or file a claim.
- Small areas. The EPA says areas under about 10 square feet can usually be cleaned by the homeowner with proper protection.
What this site covers
Providers you reach through this site handle water extraction, drying and mold remediation. If mold work is needed at a size that requires a license, confirm it will be done by a TDLR-licensed remediator, with a separate licensed assessor.
Richardson conditions
Why mold is a risk here
North Texas summers are hot and humid, and many Richardson homes have air handlers and ducts in the attic, where a clogged condensate line can drip unnoticed. Slab leaks and slow leaks behind cabinets also keep materials damp for weeks. All of these give mold the moisture it needs.
What will it cost? See the Richardson cost guide. Filing a claim? See the insurance claim guide.
FAQ
Mold prevention FAQs
How fast does mold grow after water damage?
The EPA says water-damaged areas and items should be dried within 24 to 48 hours to prevent mold growth. Past that window, mold can start growing on wet drywall, wood, carpet and other materials, especially in warm, humid conditions.
Do I need a licensed mold company in Texas?
For larger jobs, yes. The Texas Department of Licensing and Regulation requires licensed mold assessment and remediation for 25 contiguous square feet or more of visible mold, with limited exemptions, such as some owners working on their own home. Smaller areas can generally be cleaned without a license.
Can the same company test and remove the mold?
Not on the same project. TDLR’s rules say a company can’t perform both the mold assessment and the mold remediation on the same project, which keeps the person writing the plan separate from the person getting paid to do it.
Can I clean small mold spots myself?
For small areas, often yes. The EPA says you can generally handle mold covering less than about 10 square feet yourself, wearing gloves, goggles and an N-95 respirator, as long as the water problem is fixed. Larger areas or mold from sewage or contaminated water need professionals.
Sources for this page
Last updated October 2026.
Wet house? Start drying today
The 24–48 hour window is the difference between drying and mold removal.