# A G Obrien Plumbing & Heating Co

A G Obrien Plumbing & Heating Co appears in a public register or member directory, with an address in Duluth, MN, United States. Confirm services and current qualifications directly.

A G Obrien Plumbing & Heating Co appears on the Minnesota Department of Labor and Industry register (Mechanical Contractor Bond), with an address in Duluth, MN.

## Details

- Address: 4907 LIGHTNING DR, Duluth, MN, 55811, United States
- Phone: [12183362860](<tel:12183362860>)
- Website: [agobrien.com](<https://agobrien.com>)
- Register / bond / licence number: MB004598
- Register authority or trade association: Minnesota Department of Labor and Industry
- Source of the listing data: Minnesota DLI — Mechanical Contractor Bond, https://secure.doli.state.mn.us/ccld/data/MNDLILicRegCertExport\_Mechanical\_Contractor\_Bond.csv, fetched 2026-11-10. Website, map pin from Overture Maps Places (CDLA-Permissive-2.0, release 2026-10-21.0).

## Questions

### Where is A G Obrien Plumbing & Heating Co?

A G Obrien Plumbing & Heating Co is at 4907 LIGHTNING DR, Duluth, MN, 55811, United States.

### How do I contact A G Obrien Plumbing & Heating Co?

To contact A G Obrien Plumbing & Heating Co, call 12183362860 or visit https://agobrien.com.

## Source

From [Public registers and member directories (source summary)](https://secure.doli.state.mn.us/ccld/data/MNDLILicRegCertExport_Mechanical_Contractor_Bond.csv), license Connecticut: Public Domain metadata; Washington: Open Data Commons PDDL 1.0; Minnesota, TSSA, TSASK and SNIPEF: public register; no reuse licence stated, checked 2026-11-11.

Last updated November 11, 2026.

## Links

- This heating contractor on the [web page](<https://boilerpros.fyi/us/mn/duluth/a-g-obrien-plumbing-and-heating-co>)
- [Registered heating / mechanical contractors in Duluth](<https://boilerpros.fyi/us/mn/duluth/category/boiler-servicing.md>)
- [More heating contractors in Duluth](<https://boilerpros.fyi/us/mn/duluth.md>)