Quality First Plumbing

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Quality First Plumbing operates as a plumbing and heating contractor serving Grand Terrace, California, and maintains a 4.8-star rating across 23 client reviews. The company handles residential plumbing repairs, water softener installations, and heating system diagnostics. Their service window runs Monday through Friday from 9 AM to 5 PM, with Saturday and Sunday unavailable for appointments. Reviewers note the team responds to scheduled calls within the same week and prioritizes thorough explanations before beginning work.
This contractor distinguishes itself by addressing both plumbing and HVAC systems, a combination that reviewers describe as convenient for ongoing home maintenance. Multiple customers mention water softener installation as a service offered, along with leak detection and kitchen fixture upgrades. The reviews consistently praise transparent pricing and technician willingness to explain options without pressuring homeowners toward expensive repairs.
Customer narratives highlight specific resolutions including a leak repair completed after a weekend wait, a kitchen sink and disposal replacement requiring counter modification, and a thermostat issue assessment. A technician named Mike appears across several reviews as the primary contact. One reviewer describes a scenario where the technician provided a free repair option alongside paid alternatives, while another mentions debris removal following the work. These accounts reflect the personalized approach that influences customer recommendations.
What Customers Say
Twenty-three reviewers collectively award this business 4.8 stars, with every customer rating the work as 5 stars. Multiple clients specifically mention technician Mike by name and describe fair pricing as a consistent trait. The absence of negative reviews suggests strong service consistency.
Working Hours
| Sunday | Closed |
| Monday | 9 AM–5 PM |
| Tuesday | 9 AM–5 PM |
| WednesdayToday | 9 AM–5 PM |
| Thursday | 9 AM–5 PM |
| Friday | 9 AM–5 PM |
| Saturday | Closed |
Services
Plumbing Leak Repair
Detection and patching of water leaks including pipe replacement and related water damage assessment.
Water Softener Installation
Whole-home water softening system setup including hardware mounting and plumbing integration.
Kitchen Sink and Disposal Replacement
Removal of existing fixtures, installation of new sinks, garbage disposals, and related plumbing connections.
HVAC Thermostat Assessment
Evaluation of heating system controls and thermostat functionality with diagnostic reporting.
Drain Cleaning and Clearing
Removal of blockages and cleaning of household drain lines to restore proper flow.
Fixture Upgrades
Installation of new faucets, showerheads, and related bathroom or kitchen fixtures.