Plumbline / MD

MD contractor records

Source: Maryland HVACR Board · Maryland Master Electricians Board · Maryland Plumbing Board · Maryland MHIC. 11617 license records, snapshot 2026-07-26. Look up a specific contractor by license number or name, or use the official lookup: MD board.

This is a public-records index, not a directory of recommendations. Entries are listed alphabetically; we do not rank contractors and nothing here is a "best of" or an endorsement.

Records index (page 1 of 24)

Alphabetical by name. Each entry is one license record and links to its public-record page.