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Can Children Get Lead Poisoning From Old House Paint?

Last updated October 31, 2026

The short answer

How Lead Paint Affects Children

Lead paint was common in U.S. Homes before 1978. When it ages, it can chip or crumble, and friction from windows and doors creates fine lead dust. Young children often put hands and toys in their mouths, so they can easily swallow that dust.

Even small amounts of lead can harm a child's brain, kidneys, and hearing. It can slow development and cause learning and behavior problems. There is no safe level of lead in a child's blood, so prevention is key.

Signs Your Home May Have Lead Paint

If your house was built before 1978, lead paint is a real possibility. Look for peeling or chipping paint on walls, windows, doors, and porches. A chalky, dusty film on surfaces or paint that looks like alligator skin can also signal lead.

You cannot tell by looking whether paint contains lead. A home test kit from a hardware store gives a quick hint, but a lead inspector can give a reliable answer. If you rent, ask your landlord about the building's age and paint history.

  • Peeling or chipping paint on walls and trim
  • Paint dust on windowsills and floors
  • Friction spots on doors and windows that rub
  • A chalky residue on surfaces
  • Paint that flakes in a pattern like alligator skin
  • Renovation work that disturbs old painted surfaces

What to Do If You Suspect Lead Paint

If you think your home has lead paint, do not sand, scrape, or burn it. That creates dangerous dust and fumes. Keep children away from peeling areas, and wash their hands and toys often, especially before meals and sleep.

Wet-mop floors and wipe windowsills with a damp cloth to trap dust. Do not use a regular vacuum, which can spread lead particles. If you plan to renovate, hire a lead-safe renovator. For urgent help, see a doctor if a child feels unwell.

Cleaning Up After Water Damage and Lead Paint

Water damage can make lead paint peel or bubble, turning it into a bigger hazard. If a pipe bursts or a roof leaks, the moisture can loosen paint layers, and the cleanup process can disturb them. Always treat old painted surfaces as potentially lead-containing.

When drying out a room, avoid scraping or sanding wet paint. Let the area dry, then address the paint safely. If you are in Fresno, keep your child's play area away from damaged walls. For water cleanup, local water damage pros can help with the wet materials.

Policies vary, and your insurer decides what is covered.

  • Do not scrape or sand wet or dry lead paint
  • Keep children out of rooms with peeling paint
  • Wash hands and toys frequently
  • Use wet mopping and damp cloths for dust
  • Call local water damage pros for flood or leak cleanup
  • Seal off affected areas until safe

Testing and Treatment for Lead Poisoning

A blood test is the only way to know if a child has lead poisoning. Your pediatrician can order one, especially if you live in an older home or near renovation work. Early detection helps prevent long-term harm.

Treatment depends on the blood lead level. For low levels, removing the source and improving nutrition may be enough. Higher levels might need medical care. Always follow your doctor's advice and keep your home safe from lead hazards.

Water damage does not wait

Water keeps spreading into floors and walls, so it is worth acting early. Calls are answered 24/7.

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Frequently asked questions

How old does a house have to be to have lead paint?

Homes built before 1978 are most at risk, since lead paint was banned that year. The older the house, the higher the chance, but even homes from the 1970s can have it. Testing is the only sure way to know.

Can lead paint harm a baby who doesn't crawl yet?

Yes. Babies can breathe in lead dust from the air or from parents' clothing and hands. They also explore with their mouths, so any dust on surfaces or toys can be ingested. Keep floors clean and wash hands before handling the baby.

What should I do if my child has lead in their blood?

Contact your doctor right away. They will tell you the next steps, which may include removing the lead source and improving nutrition. Follow their guidance and keep your home clean. Early action reduces the risk of long-term health issues.

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