Why Choosing the Right Plumbing Supplier Matters
Whether you’re a licensed contractor, facility manager, or a DIY homeowner tackling a leaky faucet, having access to a dependable plumbing supply store can make or break your project. Delays, faulty parts, or poor customer support can turn a simple repair into a costly nightmare. That’s where Mark Gerson Plumbing Supply Inc 25030 Avenue Tibbitts Ste J comes in—offering trusted inventory, knowledgeable staff, and fast service for professionals and residents alike in Southern California.
Where Is Mark Gerson Plumbing Supply Inc Located?
Mark Gerson Plumbing Supply Inc 25030 Avenue Tibbitts Ste J is situated in Santa Clarita, California—a rapidly growing city in Los Angeles County known for its mix of residential communities and commercial developments. The exact address, 25030 Avenue Tibbitts, Suite J, places it within an accessible industrial plaza with ample parking and easy freeway access via the Antelope Valley (CA-14) and Golden State (I-5) freeways.
This strategic location serves not just Santa Clarita but also nearby areas like Valencia, Castaic, Canyon Country, and even parts of the San Fernando Valley.
Pro Tip: Use GPS or Google Maps and search “Mark Gerson Plumbing Supply Inc 25030 Avenue Tibbitts Ste J” to get real-time directions, traffic updates, and store hours.
What Makes This Plumbing Supplier Stand Out?
Unlike big-box retailers, Mark Gerson Plumbing Supply Inc caters specifically to trade professionals while remaining welcoming to homeowners. Here’s what sets them apart:
- Specialized Inventory: From commercial-grade backflow preventers to vintage-style faucets, they stock parts not commonly found at national chains.
- Trade Accounts: Contractors can apply for credit terms and volume discounts.
- Expert Staff: Many employees have field experience as plumbers or technicians, so they understand your real-world challenges.
- Local Reputation: With decades in business, they’ve built trust through consistent service—evidenced by long-standing relationships with local builders and inspectors.
According to a 2024 study by the Plumbing-Heating-Cooling Contractors Association (PHCC), 78% of contractors prefer local suppliers for urgent jobs due to faster turnaround and personalized support—exactly what Mark Gerson offers.

Product Range: What Can You Find Here?
Mark Gerson Plumbing Supply Inc carries a comprehensive lineup tailored to both residential and commercial needs. Key categories include:
- Pipe & Fittings: Copper, PEX, PVC, CPVC, and ABS in multiple diameters.
- Valves & Controls: Ball valves, gate valves, thermostatic mixing valves, and pressure regulators.
- Fixtures: Toilets, sinks, showers, and tubs from brands like American Standard, Kohler, and Delta.
- Water Heaters: Tank and tankless models for gas, electric, and solar applications.
- Tools & Accessories: Pipe cutters, crimping tools, drain snakes, and soldering kits.
For commercial projects, they also supply backflow prevention assemblies, which are required by California law (per the California Plumbing Code, Section 603) to protect public water systems. You can learn more about backflow devices on Wikipedia .
Who Should Shop Here?
✅ Licensed Plumbers
If you’re on a job site and need a ¾” SharkBite fitting now, this is your spot. No waiting for online shipping—just walk in, get it, and get back to work.
✅ Property Managers
Maintaining multi-unit buildings requires durable, code-compliant parts. Mark Gerson stocks bulk-friendly options and can special-order items for large-scale renovations.
✅ DIY Homeowners
While they serve pros primarily, staff are patient with homeowners. Just bring photos or measurements of your existing setup—they’ll help you match parts correctly.
Real-World Example: In 2023, a local Santa Clarita HOA replaced 12 aging water heaters across their condo complex. By partnering with Mark Gerson Plumbing Supply Inc, they saved 15% through a volume discount and avoided 3-day delivery delays from online retailers.
How to Prepare for Your Visit
To make your trip efficient, follow these steps:
- Identify the Part: Note the brand, model number, or take a clear photo.
- Know Your Measurements: Pipe diameter (e.g., ½” PEX), thread type (NPT, BSP), or valve configuration.
- Check Store Hours: Typically Mon–Fri 7:00 AM–4:00 PM, Sat by appointment (confirm via phone).
- Bring ID or License: Required for trade pricing or restricted items like certain gas valves.
- Call Ahead for Special Orders: Need a discontinued faucet cartridge? They may be able to source it.
Pros vs. Cons of Shopping at Mark Gerson Plumbing Supply Inc
| Deep industry knowledge | Limited weekend hours |
| Fast in-person service | Smaller showroom than national chains |
| Competitive trade pricing | No e-commerce platform (as of 2025) |
| Local customer support | Not ideal for last-minute Sunday emergencies |
Despite the cons, most customers agree: the expertise and reliability outweigh the limitations—especially when time is critical.
Frequently Asked Questions (FAQ)
Q1: Is Mark Gerson Plumbing Supply Inc open to the public?
Yes! While they specialize in serving licensed contractors, homeowners are welcome. Just note that some pricing tiers require a valid contractor’s license.
Q2: Do they offer delivery services?
Yes, local delivery is available for larger orders (typically within a 15-mile radius of Santa Clarita). There may be a minimum order requirement—call ahead to confirm.
Q3: Can I return unused plumbing parts?
Generally, yes—within 30 days with original packaging and receipt. Special-order or cut materials (like custom pipe lengths) are usually non-returnable.
Q4: Do they carry eco-friendly or WaterSense-certified products?
Absolutely. They stock WaterSense-labeled toilets, low-flow showerheads, and high-efficiency water heaters that comply with California’s strict water conservation laws.
Q5: How long has Mark Gerson Plumbing Supply Inc been in business?
The company has served the Santa Clarita Valley since the early 1990s, building a reputation for integrity and quality over three decades.
Q6: Is parking available at 25030 Avenue Tibbitts Ste J?
Yes—the business shares a well-maintained parking lot with neighboring tenants, including ample space for trucks and vans.
Final Thoughts: Why This Supplier Deserves Your Trust
In an age of impersonal online shopping, Mark Gerson Plumbing Supply Inc 25030 Avenue Tibbitts Ste J offers something rare: human expertise you can rely on. Whether you’re troubleshooting a burst pipe at 8 AM or planning a bathroom remodel, their combination of inventory depth, local knowledge, and contractor-first mindset makes them a standout in Southern California’s plumbing landscape.
✅ You save time
✅ You avoid wrong-part mistakes
✅ You get advice that actually works on the job
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