San Jose's underwater pool repair specialists.
Expert no-drain repairs for leaks, cracks, and structural issues. Save time, money, and thousands of gallons of water with our specialized underwater techniques.
Underwater excellence.
No draining required.
We specialize in underwater plaster repair, leak sealing, and structural fixes. Our certified dive team delivers a permanent repair while your pool stays full and functional — saving you days of downtime and thousands of gallons of water.
See all servicesNo Draining Required
Save days of downtime and tens of thousands of gallons of water on every repair.
Licensed & Insured
Bonded, insured, and AWS D3.6 certified for structural underwater wet welding.
Precision Diagnostics
Hydro-acoustic and dye-test leak detection finds problems before we patch them.
Water Conservation
Our work has saved over 2.3 million gallons of Bay Area drinking water.
Professional underwater pool services.
Every repair is done by certified divers, underwater, with marine-grade materials rated for submersion. Your pool stays full from start to finish.
Underwater Plaster Repairs
Expert no-drain solutions for pool structural issues.
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Skimmer & Light Replacement
Underwater replacement of pool skimmers and light fixtures.
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Crack Sealing
Seamless underwater crack sealing in tile, grout & shell.
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Tile & Grout Restoration
Re-set tiles and re-grout without dropping the water line.
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VGB Main Drain Replacement
Underwater main drain & plumbing repairs to current code.
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Pool Surface Patching
Quick, lasting underwater patches for chips & worn spots.
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Rebar Rust Stain Treatment
Stop rebar rust at the source and restore the finish.
Learn moreFrom call to clear water — in days, not weeks.
Free Estimate
Send photos or use our AI estimator for an instant ballpark price.
On-Site Diagnosis
We hydro-test, dye-test, and confirm the exact scope before any work.
Underwater Repair
Certified divers complete the repair while your pool stays full.
Pressure Test
We verify the seal, document the work, and walk you through the result.
Service areas across the Bay.
Residential and commercial underwater repairs across San Jose, Los Gatos, Saratoga, Santa Cruz and the surrounding South Bay communities.
- San Jose
- Los Gatos
- Saratoga
- Santa Cruz
- Cupertino
- Campbell
- Sunnyvale
- Mountain View
Ready for a quote?
Talk to our team. Most repairs scheduled within the same week.