William D RichardsonLicensed

License details

"Based in" is the city and county of the address on the business's license record.

What this license covers

• Site testing: licensed to run percolation tests and evaluate soils to determine what kind of system a site can support.
• Operation: licensed to operate and monitor onsite sewage systems; alternative systems typically require a licensed operator under an ongoing service contract.

How to verify this license

We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #1940001588, 1942001879 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: Virginia Department of Professional and Occupational Regulation (DPOR) - regulant list, last checked 2026-08-16. Look it up at the issuing agency.