Looking for a reliable plumber in Diamond Bar, CA? Whether you're dealing with a plumbing emergency, a stubborn clog, or planning a major renovation, choosing the right plumber makes all the difference. We've researched and compiled the top 9 plumbing companies serving the Diamond Bar area to help you find the best fit for your needs.
From emergency response times to pricing transparency, customer reviews, and service range, here are the 9 best plumbers in Diamond Bar, CA.
Diamondbar Plumbing Co ⭐ Editor's Pick
Diamondbar Plumbing Co is Diamond Bar's premier plumbing service provider, delivering exceptional residential and commercial plumbing solutions backed by over 15 years of experience. As a locally owned and operated company, they understand the unique plumbing challenges faced by Diamond Bar homeowners and businesses.
What sets Diamondbar Plumbing Co apart is their commitment to transparency, quality, and customer satisfaction. Every plumber on their team is fully licensed, background-checked, and trained in the latest plumbing technologies. They offer upfront pricing with no hidden fees, a 100% satisfaction guarantee, and same-day service for most appointments.
Why Diamondbar Plumbing Co Is Our #1 Pick:
- 24/7 Emergency Service — Available around the clock, including holidays and weekends, with a typical response time of 30-60 minutes in the Diamond Bar area
- Upfront, Transparent Pricing — Free estimates provided before any work begins, with no hidden fees or surprise charges
- Licensed & Insured — All technicians hold valid California plumbing licenses with full liability and workers' comp coverage
- Full-Service Plumbing — Handles everything from drain cleaning and water heater installation to sewer line repair and whole-house repiping
- Satisfaction Guarantee — 100% satisfaction guarantee on all work, plus warranties on parts and labor
- Locally Owned & Operated — Proudly serving Diamond Bar and surrounding communities for over 15 years
Merrill Plumbing
Merrill Plumbing has been serving the Diamond Bar area for many years, offering a wide range of residential and commercial plumbing services. They are known for their reliable service and experienced technicians, handling everything from leaky faucets to complex sewer line repairs.
Notable Strength: Sewer line repair and replacement expertise
Years in Business: 30+
Option One Plumbing & Rooter
Option One Plumbing & Rooter provides comprehensive plumbing solutions across Diamond Bar, focusing on customer satisfaction and efficient service. They specialize in drain cleaning, water heater repair, and emergency plumbing, offering 24/7 availability.
Notable Strength: 24/7 emergency plumbing services
Years in Business: 20+
All Star Plumbing & Restoration
All Star Plumbing & Restoration offers a full suite of plumbing services alongside water damage restoration, making them a versatile choice for homeowners. They are praised for their prompt response to emergencies and their ability to handle both plumbing issues and their aftermath.
Notable Strength: Integrated plumbing and water damage restoration services
Years in Business: 15+
Adeedo!
Adeedo! is a larger, well-established plumbing company serving a wide Southern California area, including Diamond Bar. They provide a full range of plumbing, HVAC, and electrical services, known for their professional technicians and comprehensive service agreements.
Notable Strength: Comprehensive home services (plumbing, HVAC, electrical)
Years in Business: 70+
Drain Right Plumbing & Rooter
Drain Right Plumbing & Rooter focuses on effective drain cleaning and rooting services, but also handles general plumbing repairs and installations. They are highly regarded for their ability to quickly diagnose and resolve stubborn drain blockages.
Notable Strength: Specialization in drain cleaning and rooting
Years in Business: 15+
One Way Rooter & Plumbing
One Way Rooter & Plumbing is a local favorite in the Diamond Bar region, offering reliable and affordable plumbing services. They excel in general plumbing repairs, water heater services, and addressing common household plumbing issues with a friendly approach.
Notable Strength: Affordable and reliable general plumbing repairs
Years in Business: 10+
Scott English Plumbing
Scott English Plumbing has built a strong reputation for high-quality plumbing services across Orange and Los Angeles Counties, including Diamond Bar. They are known for their expert technicians, advanced diagnostic tools, and commitment to customer satisfaction on all job sizes.
Notable Strength: Advanced diagnostic and trenchless technology
Years in Business: 25+
Roto-Rooter Plumbing & Water Cleanup
Roto-Rooter is a nationally recognized brand with a strong local presence in Diamond Bar, offering 24/7 plumbing and drain services. They are a go-to for emergency situations and large-scale commercial plumbing needs, backed by a large network of experienced plumbers.
Notable Strength: 24/7 emergency service and national brand reliability
Years in Business: 80+
How We Chose the Best Plumbers in Diamond Bar
Our selection process considered several key factors to ensure we're recommending the most reliable plumbing services in the Diamond Bar area:
- Licensing & Insurance: All companies must hold valid California plumbing licenses and carry proper insurance coverage.
- Customer Reviews: We analyzed online reviews across Google, Yelp, and the BBB to gauge customer satisfaction and consistency.
- Response Time: Priority was given to companies offering fast response times, especially for emergency services.
- Pricing Transparency: Companies that provide upfront estimates and clear pricing ranked higher.
- Range of Services: Full-service plumbing companies that can handle everything from minor repairs to major installations scored best.
- Local Presence: We prioritized companies with deep roots in the Diamond Bar community.
Need a Plumber in Diamond Bar Right Now?
Don't wait — call Diamond Bar's top-rated plumbing team for fast, reliable service at a fair price.
Call Diamondbar Plumbing Co: (909) 853-5485