Contact
Get in Touch
Whether you need routine service or have an urgent issue, we're here to help. Schedule your service today or call us for immediate assistance.
Hours
- Monday–Friday: 8:00 AM – 5:00 PM
- Saturday: 8:00 AM – 12:00 PM
- Sunday: Closed
Maintenance & peace of mind
Membership program
Official member benefits for your home's plumbing—inspections, savings, and proactive care from Drain Doctor.
Walnut dispatch. We serve Covina, Glendora, Pomona, Chino Hills, and communities across the San Gabriel Valley and nearby L.A. & San Bernardino Counties. Our service regions →
1996 Serving the Valley
24/7 Emergency Service
#803591 CA Licensed
Same Day When You Need Us
The wait is over
Drain Doctor is proud to announce the official launch of our Membership Program! Enrolled members enjoy the benefits below—designed to protect your home and keep plumbing on your radar year-round.
Most plumbing failures start small—a slow tub, a rumbling water heater, or a slight drop in pressure. Membership puts a structured inspection on your calendar so we can catch issues before they become emergency calls. It also includes member perks when you do need repairs, drain service, or water heater work.
Think of it as a partnership with a licensed, Covina-area team that already knows your home’s systems. Combine membership with our maintenance articles for day-to-day habits, and call (626) 332-9984 when you are ready to enroll or have questions about what is covered.
Benefits
Free camera inspection
See what’s going on in your lines—on us.
Member service benefits
Preferred scheduling and member perks on qualifying service calls.
Free BioOne treatments
Keep drains fresh with professional BioOne care.
Water heater flush & inspection
Help extend water heater life and catch issues early.
Included with membership
Complete plumbing inspection
Your membership includes a full plumbing inspection covering the following:
- Water press test
- Water quality
- Toilet dye test
- Fixture inspection
- Drainage inspection
- Water pipe inspection
- Gas pipe inspection
- Dryer vent inspection
- Test shut off valves
- Test house outlet
- Inspection filter system
Questions about what’s included? Call (626) 332-9984 or request service online.
24/7 emergency response
Emergency plumbing—We're prepared, anytime
Burst pipes, major leaks, or sewer backups? Don't wait. Our licensed plumbers are available day or night with the right tools to stop damage and fix the problem.
(626) 332-998424/7 Emergency Service · Same-day dispatch when you need it most
Call anytime (626) 332-9984
Dispatch & office
Our Walnut headquarters
Drain Doctor Plumbing & Rooter
3820 Valley Blvd Unit OWalnut, CA 91789
Where we work
Service regions
We’re your local plumbing company—not a referral site. Trucks roll from Walnut across the San Gabriel Valley and into nearby parts of Los Angeles and San Bernardino Counties. Each region below has its own page with neighborhoods we talk about most often.
- West & Central San Gabriel Valley Covina · West Covina · Valinda · La Puente · Industry · Irwindale · South El Monte · North El Monte
- North Foothill Communities Azusa · Glendora · Monrovia
- Eastern Foothills San Dimas · La Verne · Claremont
- Walnut, Diamond Bar & Rowland Heights Walnut · Diamond Bar · Rowland Heights · Hacienda Heights · Avocado Heights
- Pomona Valley & Chino Pomona · Montclair · Chino · Chino Hills
Also serving
Don’t see your city? Contact us—we may still be able to help.