Commercial Plumbing
Plumbing support for businesses, property owners, contractors, and commercial spaces.
Commercial • Residential • Industrial
Plumbing Work Done Right Across San Diego & Riverside County
Licensed plumbing solutions for homeowners, contractors, restaurants, businesses, and property owners. From tenant improvements and restaurant plumbing to sewer repair, gas lines, repiping, excavation, and concrete cutting.
License #1151801
No Emergency Plumbing Claims
San Diego Home Base
24Real project photos
#1151801California license
2Counties served
14+Plumbing services
What We Do
Residential, Commercial & Specialty Plumbing Services
Built around the real services Cass Plumbing Solutions provides. No generic emergency-plumbing wording, no filler — just clear services for real customers and contractors.
Restaurant Plumbing
Commercial kitchen, grease trap, drain line, and restaurant plumbing support.
Tenant Improvements
Plumbing for remodels, build-outs, upgrades, and tenant improvement projects.
Residential Plumbing
Reliable plumbing services for homeowners throughout San Diego and Riverside County.
Repiping
Pipe replacement and system upgrades for aging or problem plumbing systems.
Leak Repair
Careful leak diagnosis and repair for residential and commercial properties.
Sewer Repair
Sewer line repair and underground plumbing service for properties and projects.
Sewer Camera Inspection
Camera inspections to locate issues inside sewer and drain lines.
Excavation
Excavation support for sewer, underground, and plumbing infrastructure work.
Grease Trap Installation
Grease trap installation for restaurants, kitchens, and food-service spaces.
Backflow Installation
Professional backflow installation completed with attention to code and safety.
Gas Line Installation
Gas line installation for homes, businesses, restaurants, and commercial projects.
Core Drilling
Core drilling for plumbing installation, access, and construction needs.
Concrete Cutting
Concrete cutting support for sewer access, trenching, and underground plumbing work.
Contractor-Friendly Plumbing
Ready for Remodels, Build-Outs, Restaurants & Underground Work
Cass Plumbing Solutions is built for jobs that need planning, clear communication, and solid workmanship. We support homeowners, commercial clients, property owners, and contractors with plumbing that is clean, reliable, and code-conscious.
View Project GalleryAbout Cass Plumbing Solutions
Local Plumbing Work Done with Pride, Skill & Accountability
Cass Plumbing Solutions is a licensed plumbing company built on honest work, clean installs, and dependable service. We proudly serve San Diego County and Riverside County, helping homeowners, contractors, restaurants, businesses, and property owners get plumbing projects completed the right way.
We understand that plumbing work is more than just pipes and fittings. It is about showing up prepared, communicating clearly, respecting the property, and leaving behind work that is safe, clean, and built to last. Whether we are working on a bathroom remodel, commercial water heater system, sewer repair, gas line, restaurant plumbing, or tenant improvement, we treat every project like our name is attached to it — because it is.
Our goal is simple: provide reliable plumbing solutions with professional workmanship and a no-nonsense approach. Licensed, reliable, and ready for residential and commercial projects across Southern California.
Why Customers & Contractors Work With Us
- Licensed California plumbing contractor, License #1151801
- Residential, commercial, restaurant, and tenant improvement experience
- Serving San Diego County and Riverside County
- Clean jobsite habits and professional communication
- Real project experience in rough-ins, sewer work, water heaters, and remodels
- Reliable support for homeowners, contractors, and property owners
Project Gallery
Real Cass Plumbing Solutions Jobsite Photos
Click any photo to expand it. Use the filters to view bathroom remodels, commercial plumbing, underground sewer work, water heaters, restaurant plumbing, and specialty work.
Bathroom
Residential Bathroom Finish Work
Clean tub, shower valve, and fixture installation for residential remodel work.
Commercial Water Heaters
Commercial Water Heater Installation
Large-capacity commercial hot water system with copper piping and professional connections.
Water Heaters
Residential Water Heater Replacement
Water heater installation with copper piping, venting, and expansion tank setup.
Commercial Water Heaters
Commercial Hot Water System
Multi-tank commercial hot water system for high-demand property use.
Bathroom
Tub Installation Prep
Tub setting, wall preparation, and plumbing layout before final bathroom finishes.
Underground
Underground Plumbing Installation
Exterior underground plumbing and excavation for a property improvement project.
Underground
Sewer Line Repair
Wall opening and sewer piping repair for existing plumbing infrastructure.
Underground
Underground Rough Plumbing
New underground drain, waste, and vent piping before concrete work.
Underground Concrete
Sewer Infrastructure Prep
Concrete cutting and sewer access preparation for underground plumbing work.
Bathroom
Bathroom Rough-In Measurements
Precise drain and water line layout for bathroom remodel plumbing.
Underground Concrete
Sewer Cleanout Installation
Concrete cut and sewer cleanout installation for improved access and serviceability.
Bathroom
Bathroom Tub Rough-In
Tub and wall plumbing work during the remodel rough-in phase.
Bathroom
Dual Bathroom Plumbing Rough-In
Multiple lavatory and drain line rough-in during wall-open remodel work.
Commercial Underground
Commercial Sewer Project
Cass Plumbing Solutions on-site signage during exterior sewer and drainage work.
Commercial Restaurant
Restaurant Plumbing Rough-In
Commercial kitchen plumbing rough-in with Cass team member on site.
Commercial Underground
Commercial Excavation Work
Excavation and equipment support for underground commercial plumbing work.
Underground
Exterior Sewer Installation
Sewer basin and exterior piping installation with excavation completed.
Commercial Underground
Commercial Site Excavation
Team coordination with compact equipment for commercial plumbing excavation.
Underground Concrete
Concrete Cutting & Underground Repair
Crew performing concrete cutting, excavation, and underground plumbing repair.
Underground Concrete
Concrete Cutting & Cleanout Work
Concrete opening and cleanout installation for underground sewer access.
Commercial Underground
Commercial Slab Plumbing
Underground plumbing completed before concrete slab pour on a large commercial project.
Specialty
RO Water System Installation
Reverse osmosis water filtration system with clean piping and equipment connections.
Commercial
Cass Plumbing Jobsite
Cass Plumbing Solutions truck and signage on an active commercial plumbing project.
Bathroom
Wall-Open Plumbing Rough-In
Bathroom wall-open rough-in with drain and water lines prepared for final fixtures.
Trust & Reputation
Built for Customers Who Care About Quality
Use this section for real Google reviews once they are available. These starter testimonials can be replaced anytime.
“Professional communication, clean work, and dependable project support from start to finish.”
Property Owner“Great fit for commercial plumbing work, tenant improvements, rough-ins, and jobsite coordination.”
Contractor Client“Quality workmanship and a clean jobsite. Exactly what you want from a licensed plumbing company.”
Residential CustomerService Areas
Serving San Diego County & Riverside County
Home base in San Diego County with service throughout nearby Southern California communities.
San DiegoChula VistaNational CityEl CajonLa MesaSanteeEscondidoOceansideCarlsbadVistaTemeculaMurrietaMenifeeLake ElsinoreRiversideSurrounding Areas
Contact Cass Plumbing Solutions
Request a Free Estimate
Call or email for residential, commercial, restaurant, sewer, gas line, excavation, concrete cutting, and tenant improvement plumbing services.
Phone(619) 940-8946
Emailinfo@cassplumbingsolutions.com
LicenseCA License #1151801
Service AreaSan Diego & Riverside County