GroundRosterCascade Environmental Solutions
| Contact on the state list | Latima Clark, Jennifer Levy |
| Listed as | Radon Measurement Company |
| Status | On the Oregon Health Authority list; company has an NRPP or NRSB certified technician on staff |
| Based in | Portland, Oregon |
"Based in" is the city on the business's license record. That can be a mailing address; it doesn't tell you where the business works.
How to verify this license
We publish these details as they appear on the state list. Being on it is not a state license, and we do not vouch for the business. Before hiring, ask to see a current radon certification and a current certificate of insurance.
Checked against Oregon Health Authority radon measurement and mitigation company lists, last checked 2026-11-02. See the issuing agency.
Compare radon professionals based in Portland
Other radon professionals based in Portland
Absolute Environmental
Radon · Tester and mitigator
Soil Solutions Environmental Services, Inc.
Radon · Tester and mitigator
HouseGeek Home Inspection
Radon · Tester
TRC Environmental Corporation
Radon · Tester
Redline Environmental LLC
Radon · Tester
Victoria BennettLicensed
Radon · Mitigator
Radon professionals based near Portland
This record names no county in Oregon, so these are the nearest Oregon listings in the same trade by map location. Each card shows the town the business is based in.
Isabel GarciaLicensed
Radon · Mitigator
See every listing based in Portland.