Commercial Plumber in San Diego, CA
THA Heating Air & Plumbing Inc. has been the trusted commercial plumber in San Diego, CA, for businesses of all sizes since 1980. We deliver licensed, BBB-accredited plumbing solutions backed by decades of hands-on commercial experience. A plumbing failure can mean costly downtime—get the right team on-site fast.
Commercial Service Request
Fast priority dispatch for businesses across San Diego County.
Commercial Plumbing Services Built for San Diego Businesses
San Diego's commercial sector is as varied as its neighborhoods. From bustling restaurant kitchens in the Gaslamp Quarter to office parks in Kearny Mesa, medical facilities in Hillcrest, and retail corridors in Mission Valley, every property type carries distinct plumbing demands.
THA offers full-scale commercial solutions including certified backflow prevention testing, grease trap installations, commercial drain cleaning, hydro-jetting, heavy-duty water heater replacements, and electronic leak detection.
Code-Compliant Commercial Installations
Precision pipe installation adhering to California Uniform Plumbing Code.
Full-Spectrum Commercial Plumbing Solutions
Engineered to minimize operational disruption, safeguard your property, and ensure 100% compliance with local San Diego health and building codes.
Backflow Prevention & Annual Certification
Mandatory California backflow device testing, repair, and annual compliance filing with the San Diego County Department of Environmental Health.
Commercial Grease Trap Installation & Care
Keep restaurants and commercial kitchens compliant with local FOG (fats, oils, grease) regulations and prevent catastrophic kitchen line backups.
High-Pressure Hydro Jetting & Camera Inspection
Scour heavy buildup, mineral scale, sludge, and tree roots from commercial sewer mainlines with heavy-duty hydro-jetters and HD fiber-optic cameras.
Commercial Water Heaters & Boilers
High-recovery gas, electric, and continuous tankless water heating systems designed for hotels, gyms, restaurants, and laundromats.
Pipe Repair & Trenchless Sewer Solutions
Solve broken or corroded drain and water lines with minimal downtime to your business, employees, and customers.
Commercial Fixtures & Restroom Upgrades
Touchless sensor faucets, commercial flushometers, ADA-compliant fixtures, and multi-stall commercial restroom repair.
Industries We Serve
Tailored plumbing maintenance, repair, and installation for every commercial property classification across San Diego County.
Restaurants & Food Service
Gaslamp Quarter, Little Italy, East Village
Grease buildup is a leading cause of drain failures and health code violations. Regular grease trap service and drain line jetting keeps commercial kitchens operating without costly closures.
Medical & Dental Facilities
Hillcrest, Kearny Mesa, La Jolla
Healthcare properties require pristine water quality, precise pressure regulation, certified backflow prevention, and absolute compliance with California plumbing and sanitation codes.
Office Buildings & Retail Centers
Downtown San Diego, Mission Valley, Sorrento Valley
High-volume public restrooms demand heavy-duty plumbing fixtures, leak-free supply risers, and rapid response to clogs that can disrupt tenants and shoppers.
Multi-Unit Residential & HOAs
North Park, Pacific Beach, Chula Vista
Apartments, condominiums, and HOA communities benefit from scheduled preventative maintenance and fast repiping across shared vertical water risers.
Licensing and Code Compliance
THA Heating Air & Plumbing Inc. is fully licensed (CA Lic #1980), bonded, and insured, holding a prestigious A+ rating with the Better Business Bureau.
California requires a licensed contractor for commercial plumbing work under the Uniform Plumbing Code (UPC) enforced by the City of San Diego. Our team keeps every project strictly compliant—from permitted facility repiping to backflow certifications required by the San Diego County Department of Environmental Health.
San Diego County DEH Compliance
Annual backflow prevention testing forms submitted promptly to keep your water meter and business license active.
How We Work With San Diego Businesses
Call Or Request Service Online
Call (858) 571-8865 for immediate commercial dispatch or request a free quote online.
On-Site Diagnostic Inspection
A licensed master commercial plumber visits your facility to inspect the system.
Clear, Written Upfront Estimate
You receive an itemized, transparent quote before any work commences—no hidden fees.
Minimal Disruption Execution
We perform repairs and installations cleanly and quickly, keeping your business running.
Follow-Up & Code Sign-Off
We provide comprehensive testing, code certifications, and preventative recommendations.
Frequently Asked Questions About Commercial Plumbing
Request Your Commercial Estimate Today
THA Heating Air & Plumbing Inc. is the experienced commercial plumber in San Diego, CA, serving businesses from Gaslamp to Kearny Mesa. Call now or schedule online.