Plumbing, HVAC & Electrical Services in Pomona, CA
California Contractor License #399170
- ●Serving homes since 1976
- ●Same-day service
- ●Licensed and insured
- ●Quality workmanship
Ready when you need us
Plumbing and home services for Pomona properties
Pomona has homes from many construction periods, while the citywide median year built is about 1967. That does not mean a particular home still has its original pipes, wiring or HVAC equipment, but older and remodeled properties can contain systems of different ages, materials and conditions.
Pomona also has a longer hot season than many communities closer to the coast. When an air conditioner runs for long periods, cools rooms unevenly or struggles to hold the set temperature, the cause may involve airflow, controls or the equipment itself.
If you have noticed a leak, recurring drain problem, inconsistent hot water, electrical issue, or trouble with heating or cooling, choose the closest service below. A technician can inspect the affected system, explain the findings and help you decide whether repair, maintenance, installation or replacement is appropriate.
Browse by service category
Plumbing
Emergency PlumbingActive flooding, an uncontrolled leak, sewage entering the home, or sudden loss of essential plumbing can require emergency service.Pipe Repair & ReplacementRecurring leaks, low pressure, discolored water, damp building materials, or repeated pipe failures can justify a piping inspection.
Toilet Repair & ReplacementA toilet that runs, rocks, leaks, clogs repeatedly, or will not flush properly may need repair or replacement evaluation.
Faucet & Sink RepairPersistent drips, loose fixtures, cabinet moisture, corrosion, poor flow, or a damaged sink can signal a repair need.
Gas Line Installation & RepairGas odor, damaged piping, appliance-connection changes, or plans for a new gas appliance require professional evaluation.
Water Filtration SystemsTaste, odor, sediment, staining, or water quality concern can prompt a filtration review.
Earthquake Shut-Off ValveA missing, damaged, tripped, or outdated shut-off valve can prompt an inspection or replacement.
Sprinkler RepairBroken sprinklers, low water pressure, or sprinklers that need adjustment can indicate a need for sprinkler repair.Garbage Disposal
Garbage Disposal RepairHumming, jams, leaks, persistent odors, slow draining, or failure to start can point to a disposal repair need.
Garbage Disposal Installation & ReplacementRepeated jams, a cracked body, severe corrosion, persistent leaks, or a nonworking unit may justify replacement evaluation.Leak Detection
Leak DetectionUnexplained water use, meter movement, damp walls, ceiling stains, musty odors, or running-water sounds can warrant leak detection.
Slab Leak DetectionWarm floor areas, damp flooring, reduced pressure, running-water sounds, or unexplained water use may justify a slab-leak investigation.Drain & Sewer
Drain CleaningSlow drainage, standing water, gurgling, odors, or a recurring single-fixture clog can signal a blockage that needs cleaning.
Hydro JettingRepeated line clogs or heavy grease and sludge buildup may support hydro jetting after the pipe condition is evaluated.
Drain & Sewer RepairRecurring backups, sewage odors, wet ground near the line, or camera-documented cracks or separation can lead to repair.
Drain & Sewer ReplacementCollapsed sections, widespread deterioration, repeated failures, or damage impractical to repair locally may lead to replacement.Emergency Drain & Sewer ServiceAn active sewage backup, overflowing fixtures, wastewater entering occupied areas, or several drains failing together can require emergency service.Water Heaters
Water Heater RepairNo hot water, temperature swings, unusual noise, discolored hot water, error indicators, or a localized component leak can warrant repair diagnosis.
Water Heater MaintenanceGradual recovery decline, sediment noise, reduced hot-side flow, or overdue manufacturer-directed care can prompt maintenance.
Water Heater Installation & ReplacementA tank-body leak, extensive corrosion, repeated failures, inadequate capacity, or a new system plan may justify replacement evaluation.Tankless Water Heater Repair & MaintenanceError codes, temperature swings, reduced hot-water flow, scale concerns, or overdue filter care can prompt tankless service.
Tankless Water Heater Installation & ReplacementA tankless unit beyond practical repair, repeated failures, changing household demand, or a planned conversion can prompt installation review.Electrical
Emergency ElectricianActive sparking, smoke, a burning odor, overheated equipment, or repeated immediate shutdowns can require emergency electrical service.
Outlet Repair & ReplacementA dead, loose, discolored, hot, cracked, or buzzing outlet can indicate a device or circuit problem that needs evaluation.
Light Fixture RepairFlickering, failure to turn on, buzzing, excess heat, or loose mounting can signal a fixture, switch, or connection issue.
Fuse Box ServiceFrequently blown fuses, heat, corrosion, visible damage, or changing electrical demand can justify fuse-box service.
Electrical Panel UpgradeFrequent breaker trips, corrosion, heat, unusual noise, or insufficient capacity for planned loads can prompt a panel evaluation.
Electrical Rewiring & InstallationDamaged wiring, ungrounded circuits, recurring connection failures, or renovation plans can lead to rewiring or new installation.Electrical TroubleshootingIntermittent power, unexplained trips, flickering, buzzing, or an odor with no obvious source can call for systematic troubleshooting.Cooling
AC RepairWarm air, weak airflow, failure to start, short cycling, unusual noise, or water near the unit can warrant AC repair diagnosis.
AC InstallationA system beyond practical repair, repeated failures, inadequate cooling, or a home without suitable cooling can prompt installation planning.AC MaintenanceGradual airflow decline, dirty components, changed operating sound, or overdue manufacturer-directed care can prompt maintenance.Heating
Furnace RepairNo heat, repeated shutdowns, ignition trouble, unusual noise, or an abnormal odor can warrant furnace repair diagnosis.
Furnace InstallationA furnace beyond practical repair, repeated failures, inadequate heating, or a planned system change can prompt installation review.Furnace MaintenanceGradual performance decline, changed cycling, airflow concerns, or overdue manufacturer-directed care can prompt maintenance.Our same day service promise
Our fully stocked trucks help us complete eligible, approved work during the same visit. Specialty parts, permits, or added work may require a follow-up.
100% Satisfaction Guarantee
If you are not satisfied with our completed work, we will return and redo work within the approved scope at no additional charge.
What happens when you request service in Pomona?
We keep the visit focused on the symptom you report and the system that needs attention.
- Tell us what you are noticing and which system is affected.
- We schedule the appropriate plumbing, drain, HVAC or electrical service.
- A technician inspects the relevant system and explains the findings.
- You receive upfront and transparent pricing before deciding whether to proceed.
- If you approve the work, the technician completes the authorized service and reviews the result with you.
Home-service planning for Pomona properties
Plumbing and electrical concerns in an older or remodeled home
A home’s age can provide context, but the symptoms at the property are more useful than the year it was built. Recurring clogs, damp areas, low water pressure, frequently tripped breakers, warm outlets or flickering lights are reasons to have the affected plumbing or electrical system evaluated. The inspection should determine whether the problem is isolated or points to a broader repair need.
Cooling service for Pomona’s warmer months
NOAA’s 1991–2020 climate normals for the Pomona/Fairplex station record about 71 days per year with temperatures above 90 degrees. Before and during that warmer stretch, AC maintenance can address routine cleaning and performance checks, while AC repair is the better starting point when the system is not cooling properly, makes unusual noises or stops working.
Planning for earthquake and flood conditions
California Geological Survey and FEMA maps identify seismic and flood conditions in portions of Pomona. While those maps do not establish the risk or condition of a particular property, they provide useful context when reviewing gas piping, water heater connections, leak concerns or electrical equipment exposed to water. An on-site evaluation can determine whether earthquake shut-off valve service, gas line service, leak detection or electrical troubleshooting is appropriate. If you smell gas, see active sparking or encounter electrical equipment exposed to water, move away from the hazard and contact the appropriate emergency service or utility from a safe location.
Why choose Mike Diamond for home service in Pomona?
One service team can help coordinate plumbing, drain, water-heater, electrical, cooling and heating needs. We inspect the affected system, explain the findings and provide pricing before work begins.
- We have serviced homes since 1976
- We are licensed and insured
- We have finance options available for large jobs
- We offer upfront and transparent pricing with no commitment
Areas served by our Pomona management location
Our Pomona management location also coordinates service for the following nearby cities and communities:
- Azusa
- Baldwin Park
- Chino
- Chino Hills
- City of Industry
- Claremont
- Corona
- Covina
- Diamond Bar
- Duarte
- El Monte
- Glendora
- La Puente
- La Verne
- Mira Loma
- Monrovia
- Montclair
- Norco
- Ontario
- Rancho Cucamonga
- Rowland Heights
- San Dimas
- Upland
- Walnut
- West Covina
Manager: Greg
Management location: 154 University Pkwy, Pomona, CA 91768 (View this location)
Call: 800-446-6453
Pomona plumbing, HVAC and electrical questions
What services can I schedule in Pomona?
You can request plumbing, drain and sewer, water-heater, garbage-disposal, leak-detection, electrical, air-conditioning and furnace service in Pomona. The service directory above separates repair, maintenance, installation and replacement options so you can start with the closest match.
Do you provide drain cleaning and sewer service in Pomona?
Yes. Services include drain cleaning, hydro jetting, drain or sewer repair and replacement, and emergency drain and sewer service. The right method depends on the symptoms, pipe condition and location of the blockage or damage.
Why does Pomona’s climate matter for AC service?
NOAA’s 1991–2020 normals for the Pomona/Fairplex station show about 71 days per year above 90 degrees. That does not determine how any one air conditioner will perform, but it helps explain why cooling maintenance before warmer weather and timely repair of weak airflow, uneven cooling or unusual operation can be useful in Pomona.
What signs can point to plumbing or electrical trouble in an older Pomona home?
Recurring clogs, unexplained dampness, low water pressure, frequently tripped breakers, warm outlets and flickering lights are reasons to have the affected system evaluated. The citywide median year built provides context, but an inspection is needed to identify the materials, past upgrades and actual condition at a specific home.
Can you help with earthquake shut-off valves and gas lines in Pomona?
Yes. Pomona customers can request earthquake shut-off valve service and gas line installation or repair. Whether a valve, connection or other change is appropriate depends on the property, the existing gas system and applicable requirements, so the work begins with an on-site evaluation.
What should I do if a plumbing, gas or electrical problem seems unsafe?
Move away from an immediate hazard and call 911 when there is a fire, active sparking or another urgent danger. If you smell natural gas, leave the area and contact the gas utility from a safe location. Avoid using fixtures during a sewage backup, and do not touch wet or overheated electrical equipment. Then request the appropriate emergency service.
