Plumbline / MD / contractor
WALKER WILLIS CORPORATION
MD license 550 (CONTRACTOR/SALESMAN) · SANDY SPRING
Licensed, Active as of 2026-07-11
Source status: "present in MHIC active-license public query" per Maryland MHIC. The badge summarizes the sourced record below; the record and the issuing agency's live page are what count.
MD license number 550 appears on more than one record. Boards and license types within a state can reuse the same number. This page shows only the record above; the badge and status here say nothing about the records below. Also under this number:
- MICHAEL A ROWE (JOURNEYMAN LICENSE): status "present in HVACR Contractors active-license public query" per Maryland HVACR Board, as of 2026-07-12
The Maryland MHIC snapshot dated 2026-07-11 shows license 550 (CONTRACTOR/SALESMAN) with status "present in MHIC active-license public query", expiring 2026-08-13. The issuing agency's live page is authoritative for today.
What the record shows
- Status: present in MHIC active-license public query (normalized: active)
- Expires: 2026-08-13
Source: Maryland MHIC, snapshot 2026-07-11. Source snapshot file: sha256:d619eb5afdde60c0fb3f2154a2ab91e49b18e530379248326118faed4b0b3618 (row 0). This is the archived source file we read this record from, and the row within it; the file hash is shared by every record in the same fetch, so it identifies the snapshot, not the individual record. The issuing agency's live page is authoritative for today: official MD lookup.
What we did not check
- Disciplinary actions: not yet indexed for this source. Absence here means nothing.
- Mechanics liens: not yet indexed. Absence here means nothing.
- Permit activity: not yet indexed for this jurisdiction. Absence here means nothing.
- Civil court records: not indexed. Absence here means nothing.
Plumbline reports what public records say, with the source for every fact. It is not a rating, a recommendation, or a determination of fitness, and it never takes money from contractors. A "no records found" is never a clean bill of health. How this works and what it does not do.