O'Neill Plumbing & Heating, Inc.

O'Neill Plumbing & Heating, Inc. is a HVAC contractor on OpenStreetMap in Baltimore, Maryland. We have not checked a license for this business. Maryland regulates home improvement or residential work, but has no full general contractor license, so ask for the license or registration number and check it with the state or your local building department.

Contact

Trades

HVAC Contractors · Plumbers

Address

3927 Falls Road, Baltimore, MD 21211

Phone

(410) 433-4047

Location

Map © OpenStreetMap contributors.

Before You Hire

Typical lead time is same day to a week; longer in peak season. Ask:

• What is your license number, and which state or city issued it?
• Can you send a current certificate of liability insurance and proof of workers’ compensation?
• Will the contract list the scope, materials, price, start and finish dates and payment schedule?
• Who pulls the permits, and are they included in the price?
• Who will run the job day to day, and will you use subcontractors?

All 9 questions to ask →

Maryland Rules

Maryland regulates home improvement or residential work, but has no full general contractor license. Threshold: Covered home improvement work; no dollar floor. Read the Maryland license summary.

• A proper load calculation matters more than matching the old unit’s size.
• Compare the same size and efficiency across quotes.