Leak Detection
Precision diagnostics pinpoint hidden leaks behind walls and under slabs — before they become catastrophic.
- Acoustic & thermal tracing
- Non-invasive inspection
- Slab leak repair
Starting fromFree estimate
Licensed & Insured 24/7 Emergency Free EstimatesSe Habla Español
Precision plumbing,
engineered to last.
From emergency leaks to full repipes, Alonso Plumbing Services delivers surgical craftsmanship across Los Angeles & Surrounding Areas — every fitting, every joint, executed to specification.
24/7
Emergency Response
100%
Licensed & Insured
All Makes
Repair & Installation
$950
Water Heater Installed
Service Engineering Grid
Four disciplines.
One standard of execution.
Every service is categorized, scoped, and priced transparently — so you know exactly what you're getting before a single fitting is turned.
Water Heater Installation
Tankless and tank systems installed to manufacturer spec. 30 & 40-gallon units installed from a flat, transparent rate.
- Tankless conversion
- 30 / 40 gal · from $950
- Code-compliant install
Starting fromfrom $950
Full Repiping
Whole-home copper and PEX repiping engineered for flow, pressure, and decades of corrosion-free service.
- Copper & PEX systems
- Manifold architecture
- Minimal-disruption install
Starting fromCustom quote
Drain & Fixture Repair
From stubborn clogs to high-end chrome faucet installations — flawless functionality at every fixture.
- Drain cleaning
- Faucet & fixture install
- Toilet repair & replacement
Starting fromFree estimate
Proof of Craft
The transformation,
measured in pressure.
Drag the slider to reveal the difference between inherited chaos and engineered flow.
After
Before
Mechanical Room Overhaul
East Los Angeles, CA
A corroded, decades-old mechanical room stripped to the studs and rebuilt with a copper manifold architecture and tankless conversion.
Duration2-day install
ResultPressure restored to 65 PSI
From the Field
Real work.
Real results.
No renderings, no stock photos — just actual jobs completed by our crew across Los Angeles.
DrainRoot Intrusion Extraction
Clay pipe choked by tree roots — excavated, cleared, and restored to full flow.
RepipeCorroded vs. Copper
Decades-old pipe with heavy oxidation swapped for a clean copper L-fitting.
Video
On-Site Footage
Live work captured during a service call.
RepairJunction Repair
Corroded copper-to-PVC junction rebuilt with a proper solvent-welded T-fitting.
FixturePre-Rinse Faucet Install
Commercial-grade spring-coil faucet installed and pressure-tested in a kitchen sink.
ValveHose Bib Valve Swap
Weathered outdoor shut-off replaced with a fresh ball valve and brass coupling.
Tub FaucetTub Valve Stems Exposed
Old trim removed to expose three corroded valve stems behind the marble wall.
Tub FaucetEscutcheons Seated
New chrome escutcheon plates and valve stems mounted flush against the tile.
Tub FaucetHandles Installed
Crystal acrylic handles with H/C and diverter caps — install complete and tested.
Video
On-Site Footage
Live work captured during a service call.
Service Coverage
Local crews.
Fast to your door.
We dispatch from East Los Angeles across the greater LA basin. Check your neighborhood — if you're inside the zone, we're already on the way.
Leaflet © OpenStreetMap contributors
Coverage Zone
Neighborhoods we serve
- East Los Angeles
- Boyle Heights
- Downtown LA
- Lincoln Heights
- El Sereno
- Monterey Park
- Alhambra
- Montebello
- Bell Gardens
- Maywood
- Commerce
- Pico Rivera
- Silver Lake
- Echo Park
- Highland Park
- Glendale
- Pasadena
- South Pasadena
- El Monte
- Whittier
24/7 dispatch across the entire coverage zone
Call (562) 374-2346The Dispatch System
A protocol, not a guess.
Four disciplined stages take you from the first call to a pressure-tested, guaranteed result.
01 · Diagnose
We arrive equipped to trace the root cause — not just the symptom. Visual inspection, pressure testing, and thermal diagnostics.
02 · Scope & Quote
You receive a transparent, fixed scope of work with upfront pricing before any pipe is touched. No surprises, no hourly creep.
03 · Execute
Surgical installation to code and manufacturer spec. Drop cloths, clean cuts, and a workspace left cleaner than we found it.
04 · Guarantee
Every joint backed by workmanship guarantee. We test under pressure before we leave and stand behind the result.
Smart-Diagnostic Booking
What are you seeing?
Self-diagnose visually so our team arrives prepared — less discovery time, faster resolution.
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