Simi Valley, California
Reliable plumbing services for homes and businesses across Ventura County by Gress Plumbing.
Our services
From leaky faucets to sewer line replacements, our licensed plumbers handle it all.
Family owned & operated
We treat every home like it is our own. That is the whole job, and it has not changed since the day we started.
About Gress Plumbing
Gress Plumbing is locally owned and operated, proudly serving Simi Valley and the surrounding communities. Formerly known as WHRP Plumbing, we’re the same trusted business with a new name and the same commitment to quality service. Our plumbing, drain, and sewer specialists show up on time, treat your home with respect, and do the job right, whether it's a dripping faucet or a full sewer line repair.
Need fast and friendly service?
Book nowReviews
4.9 average, based on 251 Google reviews
I had a great experience with WHRP Plumbing. I needed a reliable plumber in Simi Valley and they were responsive, professional, and easy to work with from start to finish. Kyle explained everything clearly, gave me…
I had an outstanding experience with WHRP Plumbing, especially Kyle. From the very beginning, Kyle was professional, knowledgeable, and incredibly easy to work with. He quickly figured out the issue, clearly explained…
We have been using WHRP for the past five years for all of our plumbing needs, and they have been absolutely outstanding. Kyle and the entire team have always provided amazing service, honest advice, and dependable…
Reach out as soon as you notice a leak, clog, or anything that doesn't look right. If it's safe, shut off the nearest water valve and move your belongings away from the water. Then call or send us a message describing exactly what you're seeing, and we'll get back to you quickly with next steps.
A special consideration for seniors
Ask about the senior courtesy discount when booking so the terms can be discussed before work begins.
Ask about current terms
A special consideration for veterans
Ask about the veteran courtesy discount when booking so the terms can be discussed before work begins.
Ask about current terms
A special consideration for first responders
Ask about the first responder courtesy discount when booking so the terms can be discussed before work begins.
Ask about current terms
Before we arrive
Here's what to know before your appointment, from describing the problem to getting your home or business ready.
We serve all of Simi Valley and the surrounding communities. If you're not sure whether you're in our service area, just give us a call.
If it's safe, turn off the nearest shutoff valve or your home's main water valve. Move your belongings away from the water, then give us a call.
We'll ask what you're seeing, when it started, and whether anything has changed recently. Those details help our plumber pinpoint the problem faster once they arrive.
A drain that keeps clogging could be caused by buildup, a damaged pipe, poor drainage, or a blockage deeper in the line. We find the cause first so we can choose the right fix instead of just clearing it temporarily.
It depends on what's wrong, the age and condition of the unit, and how much the repair would cost. After we take a look in person, we'll walk you through your options so you can decide with confidence.
It helps to have your ZIP code, the fixture or area that's affected, when the problem started, and a few clear photos. That way we can make the most of your first call.
Gress Plumbing
Pick an arrival window
We'll confirm by phone or text before dispatching a technician. No charge until you approve the work.
Thanks — we have your details, and someone will call you back to confirm. If it's urgent, call (805) 233-8003.
It takes a few seconds and it genuinely helps us.
Pick whichever is closest — you can add detail on the next step.
