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Is Lead Paint Common in Homes Built Before 1978?

Last updated October 26, 2026

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The short answer

How Common Is Lead Paint

Lead paint was widely used in American homes for decades before its dangers were fully understood. Homes built before 1978, particularly those from the 1940s to the 1960s, very often have lead-based paint on interior and exterior surfaces. The older the home, the higher the likelihood that lead paint is present.

Lead paint was prized for its durability and moisture resistance, so it was applied to windows, doors, stairways, and siding. Even if later coats of paint cover it, the underlying lead layer can still be there. If you own an older home, it is wise to assume lead paint exists until a test says otherwise.

Where Lead Paint Hides

Lead paint is most likely found on surfaces that were painted frequently or subjected to friction, such as window sashes, window frames, doors, door frames, and stair railings. These areas create lead dust as they open, close, or rub together. Exterior surfaces like porches, siding, and fences may also have lead paint.

Other common spots include baseboards, trim, and walls in older homes. Lead paint under layers of newer paint is still a hazard if the newer paint chips or peels. Any renovation or sanding can release lead dust, so take care when disturbing painted surfaces.

  • Window sashes and frames
  • Doors and door frames
  • Stair railings and banisters
  • Baseboards and trim
  • Exterior siding and porches

Health Risks of Lead Paint

Lead is toxic, especially to children under six years old and to pregnant women. Ingesting lead dust or paint chips can cause developmental delays, learning problems, and other serious health issues. Adults can also suffer from lead exposure, including high blood pressure and nerve damage.

If you suspect lead paint in your home, keep an eye on children who may put hands or toys in their mouths. Regular cleaning with a wet cloth can help reduce dust. If you feel unwell or suspect exposure, see a doctor for a blood lead test.

Testing for Lead Paint

Testing is the only way to know for sure if your home has lead paint. You can buy a lead test kit at a hardware store, but results can be unreliable. For a more accurate answer, consider hiring a lead inspector or risk assessor, though the pros who handle water damage are not the right choice for this.

A professional lead test involves taking paint chip samples or using an X-ray fluorescence device. These methods give clear results. If testing shows lead, you can then plan how to manage it safely, whether that means careful maintenance or full abatement.

Safe Handling and Abatement

If your home has lead paint, do not sand, scrape, or burn it off. These actions create dangerous lead dust. Instead, keep painted surfaces in good condition and clean up any chips or dust with a wet cloth. For larger projects, such as renovation or abatement, hire a lead abatement professional.

Lead abatement involves removing or encapsulating lead paint safely. This is not a do-it-yourself job. Professionals follow strict safety rules to protect you and your family. If you have water damage that requires drywall or flooring removal, the pros will need to take extra precautions to avoid spreading lead dust.

Policies vary, and your insurer decides what is covered.

  • Never sand or scrape lead paint
  • Wet-clean surfaces to control dust
  • Repaint over intact lead paint
  • Hire a lead abatement pro for big jobs
  • Keep children away from peeling paint

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Frequently asked questions

How do I know if my home has lead paint?

The only reliable way is to test. Use an EPA-recognized lead test kit or hire a lead inspector. A professional can take paint chip samples or use an X-ray fluorescence device for accurate results. If in doubt, assume lead paint is present.

Is it safe to live in a home with lead paint?

Yes, if the paint is intact and not chipping or peeling. Keep surfaces clean and dry, and fix any water damage quickly to prevent paint from deteriorating. Avoid sanding or scraping. Young children should be kept away from any peeling or chipping paint.

Can water damage make lead paint more dangerous?

Yes. Water damage can cause paint to bubble, peel, or crack, releasing lead dust and chips. If you have water damage in an older home, address it promptly. The pros may need to take special precautions during water damage cleanup to avoid spreading lead particles.

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