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Contact us today to schedule a consultation or to learn more about our services.
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Phone: (760) 626-4204
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Email: Contracting@alonsoplumbinginc.com
Why Us
Our Commitment to Excellence
Licensed & Experienced
With years of hands-on experience and full licensing in California, our team delivers quality workmanship you can trust on every job.
Honest & Transparent
No surprises, no hidden fees. We give you upfront quotes before any work begins so you always know exactly what you're paying for.
Fast & Reliable Service
We show up on time, work clean, and don't leave until the job is done right. Same-day service available for urgent repairs.
Frequently Asked Questions
How do I request a free quote from Alonso Plumbing Inc.?
Requesting a free quote is easy — simply fill out the form on this page, call us directly at 760-626-4204, or click the Get a Free Quote button and one of our team members will get back to you promptly. We assess your situation, give you a clear upfront quote, and never start any work until you approve it.
How quickly will someone get back to me after I submit a form?
We aim to respond to all form submissions within a few hours during business hours. For urgent or emergency situations we strongly recommend calling us directly at 760-626-4204 for the fastest response. We are available 24 hours a day 7 days a week for plumbing emergencies throughout North County San Diego.
What information should I have ready when I call?
t helps to have a brief description of the problem, your property address, and your availability for a visit ready when you call. The more detail you can give us upfront the faster we can assess the situation and get the right plumber and equipment to your location. Don’t worry if you’re not sure what the problem is — that’s what we’re here for.
Do you offer free estimates?
Yes — we provide free upfront estimates for all residential and commercial plumbing projects. We assess the problem thoroughly, explain exactly what needs to be done, and give you a clear quote before any work begins. No hidden fees, no surprises, and no work starts until you approve the estimate.
What areas do you serve?
We serve all of North County San Diego including Carlsbad, Oceanside, Vista, San Marcos, Escondido, Encinitas, Fallbrook, Bonsall, Del Mar, and Solana Beach. We also serve the Temecula, Murrieta, and Menifee areas. If you’re unsure whether we cover your area give us a call and we’ll let you know right away.
What are your business hours?
Our regular business hours are Monday through Friday 7AM to 6PM and Saturday 8AM to 4PM. However we are available 24 hours a day 7 days a week for emergency plumbing situations — so don’t hesitate to call any time day or night if you have an urgent plumbing problem.
Are you licensed and insured?
Yes — Alonso Plumbing Inc. is fully licensed, insured, and bonded in California. Our CA Contractor License number is #1145697 which you can verify directly on the CSLB website. Every job is performed by experienced licensed plumbers who take pride in their work and stand behind it.
What types of plumbing services do you offer?
We offer a full range of residential and commercial plumbing services including drain cleaning, hydro jetting, water heater installation and replacement, leak detection and repair, pipe repair, slab leak detection, new construction and ADU plumbing, and 24/7 emergency services. Visit our Services page to see the full list of everything we offer throughout North County San Diego.
Service Areas
Proudly Serving North County San Diego & Surrounding Areas
Carlsbad | Oceanside | Vista | San Marcos | Escondido | Encinitas | Fallbrook | Bonsall | Del Mar | Solana Beach | Rancho Santa Fe | San Diego | Temecula | Murrieta | Menifee | Rancho Cucamonga
25+
Years of Experience
Our Legacy
25+ Years of Plumbing Experience
With over 25 years of hands-on plumbing experience, the Alonso family has built a reputation for honest work, fair pricing, and showing up when it matters most. From simple repairs to complex commercial jobs — we’ve seen it all and fixed it all.
- Licensed & Insured in California
- Family Owned & Operated
- Serving North County Since 2000
Got a Plumbing Problem? We're Ready to Help.
Contact us today for fast, reliable service across North County San Diego.