Plumbers · Electricians · HVAC Contractors

Mike Diamond Plumbing, HVAC & Electrical

Plumber in Pomona, California

Map Listing: License Not CheckedData Downloaded November 6, 2026

Mike Diamond Plumbing, HVAC & Electrical is a plumber on OpenStreetMap in Pomona, California. We have not checked a license for this business. California has a statewide contractor license, so ask for the license or registration number and check it with the state or your local building department.

Contact

Trades
Plumbers · Electricians · HVAC Contractors
Address
154 University Pkwy, Pomona, CA 91768
Phone
(909) 498-3976
Website
mikediamondservices.com
Hours
24/7
As mapped; call first.

Mike Diamond Plumbing, HVAC & Electrical in Pomona, CA, is your trusted local expert for all your home service needs. We specialize in plumbing repairs, drain cleaning, water heater installation, HVAC system repair and replacement, air conditioning mainte

Location

Map © OpenStreetMap contributors.

Before You Hire

Typical lead time is same day for emergencies, days for planned work. 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 8 questions to ask →

California Rules

California has a statewide contractor license. Threshold: $1,000 in labor and materials, or a job needing a permit or extra workers. Read the California license summary.

  • Ask for a flat price where possible, and confirm whether travel and call-out fees are included.
  • Water heater and sewer work often needs a permit.

Wrong or out of date? Anyone can fix this on OpenStreetMap; we pick up changes at the next refresh, or tell us. A listing is not an endorsement.

Sources: Washington L&I, Oregon CCB and New York DOL open data; © OpenStreetMap contributors (ODbL) · Data last updated November 6, 2026 · Sources & method