Business Details
30 Years
experience
Emergency
services
Your Trusted San Jose Plumbing Experts
Allstar Plumbing has been a trusted name in the plumbing industry since 1996, delivering high-quality residential and commercial services across San Jose and surrounding areas. Founded by a third-generation plumber, our company prioritizes honesty, professionalism, and reliability, growing from two plumbers to a fleet of 16 fully equipped teams serving 4,800 customers annually. We specialize in water heater replacements, gas piping, leak detection, and emergency repairs, backed by a 100% satisfaction guarantee. Our commitment to upfront pricing, 24/7 emergency availability, and code-compliant work ensures transparency and trust.With decades of combined experience, our licensed, insured technicians handle projects from minor repairs to full-scale repiping, emphasizing customer education and long-term solutions. Recognized for our community-focused approach, we offer free estimates, flexible financing, and warranties ranging from 30 days to a lifetime, depending on the service. Our dedication to minimizing property disruption through trenchless technology and advanced diagnostics underscores our position as a leader in modern plumbing solutions.
Services
Water Heater Replacement
Gas Line Repair
Pipe Leak Detection
Sewer Drain Cleaning
Emergency Plumbing Service
Repipe Installations
Fixture Repair
Cleanout Installation
Sewer Video Inspection
Trenchless Pipe Repair
Details
- Year established: 1996
Highlights and features
- 24/7 emergency service with no extra charges for nights or holidays
- Upfront, all-inclusive pricing with no hidden fees
- Lifetime warranties available on select plumbing services
- Advanced leak detection technology minimizing property disruption
- Third-generation plumbing expertise with 28+ years of local experience
Associations and certifications
- Contractor License #732611 (C-36 Plumbing)
What people say
24/7 emergency availability
Professional technicians
Quick response times
Clear explanations
Satisfaction guarantee
Services
Water Heater Replacement
We specialize in installing energy-efficient tank and tankless water heaters from leading brands. Our certified technicians ensure proper sizing, code-compliant installation, and seamless integration with existing plumbing systems. We handle removal and disposal of old units while offering maintenance tips to maximize system longevity and efficiency.
Gas Line Repair
Our licensed experts perform gas line installations, repairs, and leak detection using advanced equipment. We adhere strictly to local codes for safety, offering pressure testing, proper material selection, and permitting assistance. Services include residential and commercial gas system sizing and emergency leak repairs without property disruption.
Pipe Leak Detection
Utilizing state-of-the-art acoustic and thermal imaging technology, we identify hidden leaks in walls, under slabs, or in crawl spaces. Our minimally invasive repair methods preserve property integrity while addressing water, waste, or gas line issues with durable solutions and optional cost credits toward repairs.
Sewer Drain Cleaning
We clear sewer main backups and slow-draining fixtures using high-pressure jetting and mechanical snakes. Our technicians perform video inspections to diagnose root intrusion or pipe damage, offering trenchless repair options and preventive maintenance recommendations to avoid future blockages.
Emergency Plumbing Service
Available round-the-clock for urgent issues like burst pipes, gas leaks, or flooding, our emergency team responds within 60 minutes. We prioritize rapid damage control followed by permanent fixes, charging by the job rather than hourly rates to ensure transparent pricing during critical situations.
Questions
Do you offer same-day emergency plumbing services?
Yes, we provide 24/7 emergency plumbing services with technicians typically arriving within 60 minutes of your call.
What types of water heater services do you provide?
We offer complete water heater services including tank and tankless replacements, repairs, annual maintenance, and energy efficiency consultations.
Are your plumbers licensed and insured?
Yes, all our technicians hold active C-36 Plumbing licenses with full insurance coverage including liability and workers' compensation.
Can you repair slab leaks without damaging my property?
Our advanced leak detection technology allows us to locate and repair slab leaks with minimal disruption using targeted access points rather than full slab removal.
Do you provide warranties on plumbing repairs?
We offer warranties ranging from 30 days to lifetime coverage depending on the service type and materials used.
How do you handle gas line safety during repairs?
We follow strict safety protocols including system pressure testing, proper ventilation, and code-compliant material usage during all gas line installations and repairs.
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