San Marcos, North County San Diego

When Nobody
Else Has It,
We Do.

The specialty plumbing supply store North County pros and homeowners turn to when Home Depot, Lowe's, and Ace have let them down. Expert part identification. Hard-to-find fittings. Zero runaround.

Visit Our Store (760) 752-4691

Licensed Specialists

4.7★ Google Rating

Pros & Homeowners

Part ID Experts

Decades

of Specialty Expertise

Open

Mon–Fri

8AM – 5PM

The VIS Difference

Why Pros & Homeowners
Trust Valley Industrial

We're not a warehouse. We're not a call center. We're specialists who know every thread, valve seat, and fitting in our inventory — and we won't rest until we find yours.

Expert Part Identification

Bring us the mystery part you've been searching for. Our specialists don't give up. We identify obscure, legacy, and unlabeled components that stump everyone else.

Hard-to-Find Parts

When Home Depot, Lowe's, and Ace have shrugged their shoulders — we've had it in stock. Specialty valves, antique fixtures, discontinued fittings. We carry what they don't.

Trusted by Pros & Homeowners

Licensed plumbers, contractors, and weekend DIYers all walk through our door. We speak both languages and give everyone the same expert-level service.

No Upsells. Ever.

We tell you what you actually need — not what makes us the most money. Honest advice is the foundation of our reputation and why customers keep coming back.

Larry & John

Your Specialists

★★★★★

About Valley Industrial

Your Neighborhood
Specialty Source

Valley Industrial Specialties has been the quiet secret of North County San Diego's plumbing and contracting community for years. We're the store you call when you've exhausted every other option — and we've never let a customer walk out empty-handed without a solution.

Our specialists — including Larry and John — bring the kind of deep product knowledge you simply cannot find at a big-box store. Think of us like the plumbing equivalent of a great mechanic: we diagnose the problem, find the exact part, and explain everything along the way.

In-Store Pickup Available
Walk in, get what you need, get back to the job. No waiting, no shipping delays.
Contractor & Homeowner Friendly
Whether you're managing a multi-unit project or fixing one leaky faucet, we treat you the same.
Genuine Expert Advice
We explain what you need and why. No jargon. No pressure. Just real guidance.
Legacy & Discontinued Parts
Old house? Vintage fixtures? We stock and source parts that the modern supply chain has forgotten.

Call Us: (760) 752-4691

Our Inventory

What We Carry

Specialty products sourced for professionals and meticulous homeowners who refuse to settle for the wrong part.

Valves & Fittings

Ball valves, gate valves, globe valves, check valves, and specialty industrial fittings across a wide range of materials, sizes, and thread types.

Ask Our Specialists

Faucet Parts & Repair Kits

Cartridges, stems, O-rings, seats, springs, and full rebuild kits. We stock hard-to-find components that save you from full faucet replacement.

Ask Our Specialists

Shower & Bath Hardware

Shower valves, trim kits, diverter cartridges, tub spouts, and precision bath components. Bringing vintage and modern systems back to life.

Ask Our Specialists

Industrial Pipe Supply

Copper, brass, galvanized, stainless, and specialty pipe fittings for commercial, residential, and industrial applications. Cut to spec when needed.

Ask Our Specialists

Specialty & Antique Fixtures

Restoring a historic home? We track down discontinued, vintage, and rare fixtures that preserve the character of older plumbing systems.

Ask Our Specialists

Contractor Supplies

Professional-grade supply for licensed plumbers and contractors. Bulk availability, fast service, and the expertise to help you spec the right components on-site.

Ask Our Specialists

Our Promise

"The part you can't find
anywhere else?
That's our specialty."

For years, Valley Industrial Specialties has been the quiet backbone of North County San Diego's plumbing and contracting community. We've built our reputation on solving the problems that stumped everyone else — sourcing rare valve seats, identifying unmarked cartridges, tracking down legacy parts for homes built decades before the big-box era.

Whether you're a licensed plumber mid-job, a property manager dealing with an aging complex, or a homeowner who refuses to replace an entire faucet over a worn O-ring — we are your answer.

Visit 320 S Pacific St, San Marcos (760) 752-4691

When Nobody Else Has It, We Do.

Why Pros & Homeowners Trust Valley Industrial

Expert Part Identification

Hard-to-Find Parts

Trusted by Pros & Homeowners

No Upsells. Ever.

Your Neighborhood Specialty Source

What We Carry

Valves & Fittings

Faucet Parts & Repair Kits

Shower & Bath Hardware

Industrial Pipe Supply

Specialty & Antique Fixtures

Contractor Supplies

"The part you can't find anywhere else? That's our specialty."

Real People. Real Results.

When Nobody
Else Has It,
We Do.

Why Pros & Homeowners
Trust Valley Industrial

Your Neighborhood
Specialty Source

"The part you can't find
anywhere else?
That's our specialty."