Wisconsin Asbestos and Lead Database Online (WALDO)

WALDO is an online asbestos and lead certification database offered for public access. To access the Online Certification or the Registry pages, click on their respective titles below.

Lead and Asbestos Online Certification

Visit this page to complete and submit your individual or company certification application. You will need to be able to pay for your certification using a MasterCard or VISA credit or debit card.

To pay with a check or money order submit a paper application (PDF, 304 KB) by mail to our office.

Lead-Free/ Lead-Safe Registry

Access the Wisconsin Lead-Free/Lead-Safe Property Registry that provides information about state Registered Lead-Free and Lead-Safe properties. Properties in the Registry include both residential and child-care facilities where an inspection found the property to be entirely free of lead-based paint (Lead-Free) or free of lead-based paint hazards (Lead-Safe). Only properties inspected by a state certified Lead Inspector, Risk Assessor, or Hazard Investigator qualify for inclusion in the statewide registry.

You may search the registry by city name for a list of all registered properties in that city, or by property address if your interest is in a specific property.

Lead-Safe Wisconsin Home

More information about lead-based paint, lead-safe renovation and lead abatement, lead training and certification requirements, childhood lead-poisoning in Wisconsin and the health effects of lead exposure, and how to find a certified contractor or how to conduct lead-safe work.

Renovator Corner

If you are a contractor who may have to deal with lead-based paint on your jobs. If your work disturbs paint and the home or building was built before 1978 you may be disturbing lead-based paint.

Asbestos Home - Asbestos certification and information

Contact Us - Lead and Asbestos Section contact information.


Last Revised: May 18, 2015