The Remodeling & Water Damage Reconstruction Specialists.

​We fix water damage and failed remodel work the right way. No shortcuts. Homeowner-focused.

Need to schedule a remodeling consultation or have a water leak? Call Now - Directly With a Contractor

209.502.5997
ParagonCA - Lic#1066959 ​- Insured & Bonded

⭐⭐⭐⭐⭐5-Star Rated on Google — Earned Through Precision, Not Shortcuts

Award-Winning Remodeling Contractor. Author of The Paragon Standard Remodeling Series

​We uncover the true cause of water damage—and rebuild it to a better-than-original standard

Before and after remodel after water damage- ParagonCA

Before and after complete rebuild remodel after water damage- ParagonCA

Water Damage & Hidden Leaks Destroy Homes — We Find the Source and Fix It the Right Way​

Most remodeling problems start with hidden failures behind walls, under floors, or beneath tile. We identify the source before repairs begin.​​

schedule a Leak Investigation

Schedule a remodeling consultation

Most Remodeling Problems Start with Hidden Failures

​Water damage, improper waterproofing, and plumbing failures are among the most common reasons homeowners are forced into major repairs.

What appears to be a cosmetic issue is often the result of deeper structural problems.

Without identifying the source, repairs fail and the damage returns.

Leak Investigation & Water Damage Diagnosis​

Water damage requires correct diagnosis — not rushed surface repairs.

We identify the source of the leak, determine the extent of damage, and provide a clear plan for proper repair.

This prevents repeated failures and ensures long-term results.

schedule a Leak Investigation

Our Approach: Diagnose First, Then Repair

• Every project begins with identifying the true source of the problem.
  
  We do not guess. We do not patch symptoms.
  
  We determine the cause, evaluate the damage, and provide a clear path forward so the issue is fixed correctly the first time.

Award-Winning Contractor & Author of The Paragon Standard Remodeling Series

The same failure patterns we see in the field are documented in The Paragon Standard Remodeling Series.

These issues are not random — they are predictable results of improper construction and poor installation methods.

Our work is built on diagnosing and correcting these failures properly.

Antonio Topete Diaz — The Paragon Standard Award-Winning Remodeling Contractor | Author | Specialist in Water Damage Reconstruction

Most contractors follow trends. Some follow codes.
Antonio Topete Diaz wrote the standard.
As the founder of ParagonCA and author of The Paragon Standard Remodeling Series, his work is built on one principle:
Do it right — or don’t do it at all.
From hidden shower pan failures to full-scale remodeling projects, every system, method, and recommendation is backed by real-world experience — not shortcuts, not guesswork, and not insurance-driven compromises.

Author of The Paragon Standard Remodeling Series

• The Paragon Standard — Before You Remodel, Read This
• Designed to Endure — Accessibility, Independence, and Prepared Remodeling
• Why Tile Showers Leak — The Hidden Failures Behind Bathroom Water Damage
• Why Shower Pans Fail — The Hidden Mistakes That Cause Bathroom Leaks

Not All Remodels Are Created Equal: The Paragon Standard

​We Don't Just Build. We Certify Your Investment.

​Every project at ParagonCA is backed by a structured guarantee. Whether it's a rental refresh or a luxury forever-home, you'll know exactly how your home is protected.

Remodeling Built to a Higher Standard

From rental refreshes to luxury 'forever' homes, our tiered guarantees ensure your investment is protected by the highest engineering specs in the industry.

Learn More About Our Standards

​Why Homeowners Choose ParagonCA

• We don’t guess leak sources — we trace and diagnose them correctly
• We don’t follow builder shortcuts — we rebuild systems to last
• We don’t work to insurance budgets — we work for homeowner outcomes
• We don’t rush projects — we execute them to The Paragon Standard

The right way is often the long way — but it’s usually the shortest path to success.

​Serving Central Valley, Bay Area Select Cities, and Central Coast Select Cities

​The Paragon Standard: Quality You Can See, Protection You Can Trust.

Ready to start your project? All Signature-tier remodels include our 5-Year 'Never Again' Guarantee and a Transferable Certificate of Repair​

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​TESTIMONIALS

"Paragon did an amazing job with our kitchen...Always friendly and reliable which really sets them apart from other contractors in the region. All around, we are very happy customers." 
-Modesto homeowner

"We had a water leak in our bathroom. We hired Tony from ParagonCA to do the repairs... did an excellent job and was always punctual and courteous."
-Tracy homeowner. ​

I cannot say enough great things about Tony and his team! They remodeled our master bathroom and turned it into a stunning retreat. Finished on time and communicated every step of the way. I have heard so many remodel horror stories and was honestly dreading the experience- so glad I was wrong. We can't wait for our next project with ParagonCA!
-Oakdale homeowner

Start with a Professional Leak Investigation

If you are dealing with water damage, leaks, or signs of hidden failure, the most important step is identifying the source before the damage spreads.

schedule a Leak Investigation