Last updated: September 8, 2026
Plumbing
Mainstream Services Inc plumbing contractor
Mainstream Services Inc appears in the Texas State Board of Plumbing Examiners public licensee file under responsible master Erich Helfrich. Georgetown Home Services is an independent directory. It does not perform plumbing work and it does not sell leads.
- County
- Williamson County
License verification
License 43109 is listed as Master rank and current with the Texas State Board of Plumbing Examiners. Insurance on file is with Columbia Mutual Insurance Company and that coverage is current. Checked September 8, 2026.
- License number: 43109
- License rank: Master
- License status: Current
- Insurance carrier: Columbia Mutual Insurance Company (current)
- Checked: September 8, 2026