Award-Winning · 5-Star Rated · CA Lic. #1066959
ParagonCA transforms bathrooms, kitchens, and homes across the Central Valley — tub-to-shower conversions, curbless walk-in showers, full kitchen renovations, tile flooring, ADA remodels, and rebuild-better reconstruction. Award-winning craftsmanship. Done right the first time.
Free Consultation — No Obligation
5-Star Google Rated
Award-Winning Contractor
Licensed, Insured & Bonded
Paragon Standard Author
What We Build
Bathroom remodeling, kitchen renovations, tub-to-shower conversions, curbless showers, tile flooring, and rebuild-better reconstruction — all built to the Paragon Standard in the Central Valley.
Published Author
Paragon Standard Remodeling Series
Don't hire a contractor who guesses. Hire the expert who literally wrote the book on proper installation methodology. Antonio Topete Diaz documented the exact failure patterns behind leaking showers, failed shower pans, and faulty waterproofing — and built a company that holds every project to that published standard. Whether it's a $16k tub conversion or a $60k kitchen, the standard doesn't change.
Talk to the AuthorYour Home, Transformed
Your bathroom works. Your kitchen functions. But every morning it reminds you it was designed for someone else's life — cramped, dated, and nothing like what you had in mind when you bought the house.
ParagonCA homeowners describe the same feeling after their remodel: the house finally feels like theirs. A walk-in shower that opens the room. A kitchen layout that actually fits how you cook. A master bath that feels like a retreat instead of an afterthought. These aren't luxury upgrades — they're the home you already own, rebuilt to match your life.
Gain space, gain light, gain a shower you actually want to use
Double vanity, frameless glass, large-format tile — built to last 30 years
Better layout, more storage, finishes that hold up to daily life
Zero-threshold entry, ADA-ready, and genuinely beautiful
It Doesn't Have to Stay This Way
Most homeowners wait years before calling. The bathroom works. The kitchen gets the job done. But every day in a space that doesn't fit your life is a day you're not living in the home you deserve. ParagonCA homeowners in Modesto, Tracy, Turlock, and across the Central Valley made the call — and describe the same thing afterward: they wish they'd done it sooner.
Ready to Start?
No pressure. No sales pitch. A straight conversation about your space, your goals, and what a properly built remodel will cost. Central Valley homeowners have been making this call for over a decade.
Real Projects. Real Homes. Central Valley.
Every photo below is a real ParagonCA project — a bathroom or kitchen in a Central Valley home that felt cramped, dated, or simply wrong for the family living in it. These homeowners made one call. Browse what became possible.
Walk-in showers. Master bath retreats. Open kitchen layouts. Custom tile. Curbless entries. Tub-to-shower conversions. Each one built to last 20–30 years — not to the minimum.
200+
Projects completed
$15k
Starting price — tub conversions
106
Five-star reviews
10+
Years serving Central Valley
Picture It in Your Home
The difference between wishing and having it is one conversation. ParagonCA serves Modesto, Tracy, Turlock, Manteca, Stockton, Brentwood, and communities across the Central Valley and Central Coast.
We come to your home, walk the space with you, and show you exactly what's possible — before any commitment, before any contract, before any cost.
Ready to see what's possible in your home?
Tell us what you want to change. We'll walk your space, document what's there, and give you a straight number — no guessing, no surprises.
Homeowners Who Made the Change
These are real Central Valley homeowners — Modesto, Tracy, Oakdale — who had bathrooms and kitchens that worked but felt wrong. They called ParagonCA. Below is what they said afterward, and the spaces they're living in now.
"We'd had a bathroom remodeled years ago by someone else. Within two years the tile was cracking and water had gotten behind the walls. ParagonCA tore it out, showed us exactly what had been done wrong, and rebuilt it correctly. That was four years ago — not a single issue since."
Margaret & Robert T.
Modesto, CA · Master Bathroom Rebuild
"After a water damage claim, my insurance contractor did a patch job. ParagonCA came in, found the real source of the problem, and fixed it properly. They documented everything, worked with my adjuster, and the result was better than the original kitchen. I cannot say enough."
Carol S.
Oakdale, CA
"We interviewed four contractors. ParagonCA was the only one who talked about what was behind the walls before talking about tile and countertops. That told us everything we needed to know. The project came in on time, on budget, and built to last."
James & Patricia H.
Tracy, CA
106 Five-Star Reviews
Across Google, Thumbtack, Yelp, and Networx — 106 Central Valley homeowners gave ParagonCA five stars. The most common thing they say: they wish they'd called sooner.
Why Homeowners Choose ParagonCA
Any contractor can pick tile. What separates a remodel that holds for 30 years from one that fails in two is what happens before the first tile goes down — the substrate, the waterproofing, the drain assembly, the structural prep. ParagonCA is the contractor who does that part correctly, then delivers the finishes you actually wanted.
Licensed, Insured & Bonded — CA Lic. #1066959
Every project is fully covered. You are protected from the first assessment to the final walkthrough. No unlicensed subs, no gaps in coverage.
Published Author — The Paragon Standard
Antonio Topete Diaz documented the exact failure patterns behind leaking showers, failed shower pans, and faulty waterproofing. Every ParagonCA project is built to that published standard.
106 Five-Star Reviews Across Four Platforms
Google, Thumbtack, Yelp, and Networx. Central Valley homeowners from Modesto to Brentwood. The most common thing they say: they wish they had called sooner.
Waterproofing Tested Before Any Tile Is Set
The membrane is installed, inspected, and flood-tested before finish work begins. This is the step most contractors skip. It is the step that determines whether your remodel lasts 5 years or 30.
Structural Assessment Before Every Scope
We walk your space before we quote. Substrate condition, drain assembly, framing, existing waterproofing — we document what is there and tell you what needs to change. No surprises mid-project.
One Team. One Standard. Every Project.
No rotating subcontractors, no handoffs to crews who were not on the assessment. The same professionals who evaluate your project build it — held to the Paragon Standard from day one.
What You Are Actually Comparing When You Get Multiple Quotes
The Cheaper Quote
The ParagonCA Standard
Ready to Hire the Right Contractor?
No pressure. No sales pitch. A licensed contractor comes to your home, assesses the substrate and waterproofing, and gives you a straight number. Central Valley homeowners from Modesto to Brentwood have been making this call for over a decade.
CA Lic. #1066959 · Serving the Central Valley since 2014
106 Verified Reviews · Google · Thumbtack · Yelp · Networx
These are real reviews from real Central Valley homeowners — bathroom remodels, kitchen renovations, tub-to-shower conversions, water damage rebuilds, and tile work. Unedited. Every one of them five stars.
"After such a long, exhausting, and expensive battle dealing with bad contractors for the last 2.5 years, ParagonCA rose to the top. Tony and his crew explained what they were doing and why. They showed up when they said they would, coming early and staying late. If you are looking for impeccable and detailed work and a crew who truly puts your needs above anything else — call ParagonCA."
Julie Byrd
Central Valley, CA · Master Bathroom — Corrective Remodel · Google
"Tony is the real deal — straight-up honest, and he knows his job. I was really impressed when I saw what he did to my bathroom; it looks like pictures in magazines. Tony is a Rockstar with wicked skills and a real passion for what he does."
Gilda Ekhtiar
Walk-In Shower · Google
"Worked with us to design and install a handicap-friendly bathroom after my wife had life-changing surgery. All work was done on schedule and it was a masterpiece! Great communication all the way through and we are very pleased with our new bathroom."
John Hutton
ADA Bathroom · Google
"The craftsmanship is absolutely top-notch. Tony truly transformed our boring, basic shower into a beautiful, spa-like retreat. He listened carefully to what we wanted, offered great suggestions, and delivered a final result that's even better than we imagined. Truly a five-star service."
Samantha Fagundes
Master Bathroom · Google
106
Five-Star Reviews
Google · Thumbtack · Yelp · Networx
On Time
Every Project
Reviewers cite punctuality and schedule adherence across every project type
Daily
Communication
Homeowners consistently note Tony checks in throughout the project — no silence, no surprises
Built to Last
Not Just Beautiful
Substrate, waterproofing, and structure done correctly before any finish work begins
"I have had many remodeling projects done in my home over the last 43 years. ParagonCA was by far the best and outshined everyone else I ever had. The quality of work was true perfection. My home was on the Christmas Garden Club tour and hundreds of people asked and commented on my beautiful tile work. If you want a professional tile contractor who is the utmost professional, talented, and treats you like a family member — I highly recommend ParagonCA. A Cut Above."
Dianne Manning
Tile Work · Modesto, CA · Google
"Tony was fantastic. Gave us exactly what we wanted — installed new tile, tile pan, and fixtures in a large shower space. He ordered the tile we wanted, came out quickly and punctually, and finished the job without having it drag on. He cleaned up after each day. We wouldn't hesitate to hire him again. Much better than the kit we were going to do ourselves!"
L Mitchell
Tile & Shower Installation · Google
Ready to See What ParagonCA Can Do for Your Home?
A licensed contractor comes to your home, walks the space, and tells you exactly what they find — before any scope is written or price is quoted. No pressure, no sales call. Just an honest assessment from the team 106 Central Valley homeowners gave five stars.
106 five-star reviews · CA Lic. #1066959 · Serving Modesto, Tracy, Turlock, Manteca, Brentwood & the Central Valley
Structural failure removed. Waterproofing rebuilt to code. Finishes chosen by the homeowner — better than what was there before.
Water Damage Reconstruction · Central Valley, CA
Once failed waterproofing, rotted substrate, or a leaking shower pan has to come out — the wall is already open. That moment is a choice: put back what failed, or build something that works and looks the way you always wanted. ParagonCA specializes in reconstruction that goes further than repair. We remove what failed, document what we find, rebuild the structure correctly, and then let you choose the finishes. The result is a bathroom, shower, or kitchen that is structurally sound and genuinely new.
Structural assessment first
We find the failure before we quote. No surprises mid-project.
Full removal of failed systems
Wrong substrate, failed waterproofing, and rotted framing — all gone.
Rebuilt to exceed code
Waterproofing, drain assembly, and framing done to the Paragon Standard.
Your finishes, your choice
Tile, layout, fixtures — you choose what goes back in. Better than before.
From Homeowners Who Went Through It
"We were in desperate need of help when we discovered water damage in our half-bath — the toilet could no longer be secured because the wood had started to rot. Tony visited our home to assess the situation the same day. The drywall issue was fixed the next day. The bathroom floor was repaired by the end of the week. Tony and Arturo are consummate professionals. It's rare to find a team this good."
Craig Allen
Water Damage — Half Bath & Drywall · Google
"After going through a few handyman visits, we contacted ParagonCA. Tony found the source of the damage — incorrect installation and damaged flashing resulting in an interior leak inside the walls. Tony explains everything every step of the way. Even when more damage was discovered, he had patience and constant communication. Long story short, ParagonCA repaired the damage to better than before condition and helped us out of a serious jam."
P.J.
Water Leak — Mold & Structural Damage · Google
"Tony, Arturo, and Luis were absolute professionals. I was extremely impressed with Tony's response time for providing a quote and updating the invoices as requested. He ensured the job started on time and completed in a timely manner. Arturo and Luis did an excellent job installing the floor after a water leak in the master bath. Tony followed up after the team completed the job to ensure I was pleased. I highly recommend this company and will use them again."
Shareese S.
Flooring — Water Leak Master Bath · Tracy, CA · Google
What Reconstruction Covers
Water damage, failed shower pans, leaking tile systems, rotted subfloor, and mold-compromised framing all require full removal. Once the structure is open, ParagonCA rebuilds it correctly — then works with you on what the finished space looks like. Homeowners regularly use reconstruction as the opportunity to upgrade tile, change the shower layout, add a curbless entry, or convert a tub to a walk-in shower. The structural work has to happen anyway. The transformation is your call.
Water Damage Reconstruction · Central Valley
ParagonCA comes to your home, assesses the structural damage, and tells you exactly what needs to come out and what can be rebuilt — before any scope is written. No pressure. No sales call. Just a straight assessment from a licensed contractor who has rebuilt hundreds of bathrooms, kitchens, and homes across the Central Valley.
CA Lic. #1066959 · Licensed, Insured & Bonded · Modesto · Tracy · Turlock · Manteca · Riverbank & the Central Valley
About ParagonCA
Most remodeling failures aren't visible on the surface — they're in the waterproofing membrane that was skipped, the substrate that wasn't prepared, the drain assembly that was never sealed correctly. Antonio Topete Diaz spent years investigating exactly these failures before founding ParagonCA. He documented what he found in the Paragon Standard Remodeling Series — published guides on why tile showers leak, why shower pans fail, and what correct installation actually looks like.
Every ParagonCA project starts with a structural assessment — before scope, before budget, before a single tile is selected. We identify what's there, document what needs to change, and build the system correctly from the substrate out. Finishes come last, not first.

The Published Standard
Antonio Topete Diaz is the author of the Paragon Standard Remodeling Series — published guides documenting the exact failure patterns he's investigated in the field and the correct methods for fixing them. These aren't marketing materials. They are the standard every ParagonCA project is built to.
If your tile shower is leaking, your shower pan is failing, or you're about to remodel and want to know what questions to ask — these books were written for you. The same knowledge that goes into every project is documented here, in plain language.
"Do it right — or don't do it at all."Talk to the author about your project
Leaking shower?
Why Shower Pans Fail
The hidden mistakes that cause bathroom leaks — and what correct installation actually looks like.
Cracked grout? Wet walls?
Why Tile Showers Leak
The structural failures behind bathroom water damage that no surface repair can fix.
Planning a remodel?
The Paragon Standard
Before you remodel, read this. What to ask, what to watch for, and what separates a lasting remodel from one that fails.
ADA or aging-in-place?
Designed to Endure
Accessibility, independence, and prepared remodeling — built into the structure, not bolted on.
Common Questions
See the Work
Short walkthroughs of completed remodels across the Central Valley — so you can see the Paragon Standard before you call.
Turlock, CA
Gilda had her bathroom remodeled ten years ago — but her jacuzzi tub had been leaking ever since. We found the source of the leak, and discovered live electrical wires in an uncovered junction box hidden directly under the insulation. We fixed both hazards, then updated the entire bathroom to the design she had always wanted. This is what it means to work with someone who looks at the whole picture, not just the surface.
Modesto, CA
Behind the walls we found a leaking gas line, a live 220V wire shoved under the subfloor, and a water-damaged subfloor that had been hidden for years. We rebuilt everything to the Paragon Standard — then finished with beautiful custom details per the customer's specifications. This is why licensed matters.
Patterson, CA
Six contractors and plumbers guessed, cut, and failed to fix this homeowner's leak permanently. We told her the only real solution was to find the exact source — which meant gutting the bathroom entirely. We found a burst copper pipe under the foundation, then a second burst pipe in the adjacent bathroom. After rebuilding drain lines, water lines, framing, and waterproofing from the ground up, we finished with the design she had always dreamed of.
Patterson, CA
A second walkthrough of Rosa's complete bathroom rebuild. Two burst copper pipes under the foundation, structural framing damage, failed drain lines — all rebuilt from the ground up before a single finish tile was set. The cosmetic result you see here is built on a foundation that will last.
Modesto, CA
A senior customer was struggling to get in and out of his tub-shower combo safely. We recommended a curbless zero-threshold shower — he chose to keep a step with grab bars instead. We respected his decision, installed the grab bars with proper structural blocking, and built the walk-in shower exactly the way he wanted it. Accessibility remodeling means listening to the customer, not just following a checklist.
Turlock, CA
A returning customer was done with her backyard of grass, weeds, and uneven concrete. We removed the sod, ran underground electrical conduit and plumbing for a custom-built waterfall with an automatic timer, installed a French drain system, poured a new sloped concrete slab with multiple drains, and laid travertine pavers throughout. Custom planters with small trees frame the waterfall. A serious investment. Worth every penny.
Tracy, CA
This customer called about a leak in his tub. Our forensic inspection found the root cause — the wall waterproofing had completely failed. He decided to redo the entire bathroom: tub-shower converted to a walk-in shower with a seat, new flooring, single vanity upgraded to a dual-sink vanity, new lighting, hardware, and finishes throughout. The result is a beautiful modern classic bathroom built correctly from the inside out.
The Paragon Network
ParagonCA operates specialist sites for different regions and service types. Each one is built around a specific homeowner need — not a general contractor's full menu.
Central Valley, CA
Active leak, water damage, or emergency restoration. Diagnosis-first approach — we find the source before anything is touched.
Go to 209WaterDamage.comEast Bay, CA
Bathroom remodeling for East Bay homeowners — same Paragon Standard, built for the East Bay market and its specific housing stock.
Go to EastBayBathRemodels.comStatewide
Antonio's credentials, the Paragon Standard Remodeling Series, guarantee tiers, and the full story behind the standard every project is built to.
Visit paragon-ca.comCentral Valley Remodeling · CA Lic. #1066959
Tell ParagonCA what you want to change. We will walk your space, give you an honest picture of what it takes, and build it to last — bathroom, kitchen, tile, or reconstruction. No pressure. No guesswork. Just a finished home you are proud of.
Licensed & Insured · Serving Modesto, Turlock, Tracy, Stockton & the Central Valley · 106 Five-Star Reviews