Building Reliable Plumbing Systems for Over 20 Years
IG Diaz Plumbing LLC is a licensed Texas Tradesman Plumbing Contractor specializing in residential and commercial new construction plumbing throughout the Dallas Fort Worth Metroplex and Greater Houston Area.
Contractors trust us to keep projects on track
Every job — commercial or residential — is built on the same foundation: licensed craftsmanship, tight scheduling, and clear communication.
Full-scope commercial & residential plumbing
From underground rough through final trim, one crew delivers the entire plumbing scope.
Commercial New Construction
Ground-up plumbing for offices, retail, medical, and industrial builds.
Residential New Construction
Full-scope systems for custom and production home builders.
Underground Plumbing
Slab and site-utility rough with laser-verified grade.
Water Line Installation
Service lines, mains, and interior distribution piping.
Sewer Line Installation
New laterals, tie-ins, and DWV systems.
Gas Line Installation
Natural gas and propane systems, licensed and pressure-tested.
Plumbing Rough In
Wall and overhead rough for water, waste, vent, and gas.
Top Out Plumbing
Overhead and vertical distribution ready for finish-out.
Final Trim & Fixtures
Punch-list ready fixture installation and final trim.
Water Heater Installation
Tank, tankless, and commercial water heating.
Remodels & Tenant Improvements
Renovation scope with occupied-building discipline.
Repairs & Service
Commercial and residential service for owners and managers.
Two decades building plumbing systems Texas builders rely on
IG Diaz Plumbing LLC has proudly served builders, developers, property managers, general contractors, and homeowners for more than twenty years. We specialize in residential and commercial new construction plumbing throughout Texas.
Our experienced crew delivers dependable workmanship, code-compliant installations, reliable scheduling, and professional communication — from underground plumbing through final fixture installation.
To provide dependable, high-quality plumbing solutions with integrity, professionalism, and exceptional craftsmanship — helping builders and general contractors complete successful projects with safe, code-compliant systems delivered on schedule.
Work built to last across Texas
Placeholder imagery — replaced with real project photos as jobs complete.
Why contractors choose IG Diaz Plumbing
Built specifically around the workflow, documentation, and schedule needs of Texas general contractors and developers.
Twenty Plus Years of Experience
Two decades of new construction plumbing in Texas.
Licensed Texas Tradesman Contractor
Current Texas licensing and continuing education.
Experienced Plumbing Crew
Full-time crews — not day labor — trained to your standards.
Fully Insured with General Liability
Certificates of insurance issued on request for every job.
Code Compliant Workmanship
First-time inspection pass rate we're proud to publish.
Reliable Scheduling
Phases start and finish when we say they will.
Professional Communication
Superintendents get answers, not runaround.
Competitive Accurate Bidding
Detailed bids you can hand to an owner.
What contractors and homeowners say
Sample reviews shown below — real client testimonials replace these as they come in.
"Their crew hits every schedule milestone and their rough-in is clean enough to hand to the inspector on day one. We use them across all our commercial jobs."
"The best plumbing partner we've worked with in fifteen years of home building. Homeowners consistently comment on the fixture finish quality."
"Accurate bids, no change-order surprises, and a project manager who actually returns calls. That's a rare combination."
Serving Texas builders across two major metros
Proudly serving builders, developers, general contractors, property managers, and homeowners throughout the Dallas Fort Worth Metroplex and the Greater Houston Area.
Dallas Fort Worth Metroplex
Greater Houston Area
Need a dependable plumbing contractor for your next construction project?
Get a detailed, competitive bid from a licensed Texas plumbing contractor with 20+ years of new construction experience.